Megastructure Construction on Water Using an Adjustable Work Platform

Description

II. BACKGROUND/SUMMARY

The conventional approach to creating large-scale megastructures, such as sports arenas, entertainment venues, convention centers, and utility domes with diameters of hundreds of feet, relies on a bottom-up construction process. This method involves the initiation of work from the foundation, gradually moving upwards, and culminating with the construction of the uppermost sections of the structure.

For structures such as domes, a hub-and-spoke technique or geodesic design is often employed, involving the assembly of the dome piece-by-piece. This can either be within a single network configuration (e.g., U.S. Pat. No. 2,682,235A, U.S. Pat. No. 3,909,994A) or dual (U.S. Pat. No. 6,192,634B1). The segments of these structures are progressively hoisted using large cranes, while workers must navigate the escalating structure to complete the work. This process requires complex planning and precision, compounded by the added challenges of working at considerable heights and potentially adverse conditions.

Similarly, these megastructures necessitate the establishment of a solid foundation capable of supporting the immense weight of the structure. As the structure rises, massive cranes are utilized to lift and install heavy components, such as steel structures for stands and roofs. Ever-rising scaffolds and platforms are used during construction, with workers, equipment, and materials located high above the main work area.

Notably, the traditional construction process faces numerous challenges, the most significant of which is the limitations imposed by the size and lifting capacity of the cranes. These large machines require significant open spaces for operation and demand specialized skills for their safe and efficient use. As the size of the cranes and the equipment determines the limit of the structure, the ability to hoist multi-ton sections becomes a crucial limiting factor.

This has led to practical limits on the size of megastructures-for instance, one-kilometer domes do not exist, as no crane is capable of lifting such massive sections to heights of 500 meters or more.

Therefore, the need for innovative construction methodologies that circumvent these limitations is apparent. The invention of an adjustable height work platform, based on the buoyancy of floating foundation blocks, introduces a radical shift in megastructure construction. This top-down approach, starting from the structure's apex and progressing downwards, reduces dependence on large cranes and the inherent limitations they impose, opening new possibilities for the size and scope of future megastructures.

A. Field of the Invention

This invention pertains to the field of construction, particularly to the building of large-scale structures or megastructures, such as enormous domes and sports stadiums. It revolves around a novel method of using an adjustable height work platform placed on floating foundation blocks whose buoyancy can be altered.

This innovative construction technique has been designed to reduce the reliance on traditional building methods, which often require large cranes and complex scaffolding. Instead, it focuses on a top-down construction approach that begins with the structure's apex and continues downwards with the addition of new, buoyant blocks to elevate the platform and the growing structure.

B. Description of Related Art

1. Prior Art

• • 1. U.S. Pat. No. 4,497,154A, Method of constructing and assembling building elements for foldably constructed stadiums, Johnson, Delp W. Assignee: Johnson Trust. Patent Date: Feb. 5, 1985. The invention concerns the method of constructing and assembling the component structural elements for stadiums and the like structures wherein the elements are assembled in overlying layers over the foundation for the structure, with hinged connections between the elements.
  • 2. U.S. Pat. No. 3,999,337A, Dome structures, Tomassetti, Jerome, Jr.; Lerch, Adolph F. Patent Date: Dec. 28, 1976. The invention describes a dome structure having a stabilizer pole forming the apex of the dome. A plurality of spaced riser beams are arched and terminate at the apex and join a plurality of arched panel members. Each of the panel members taper from a wide base to a narrow top at the apex.
  • 3. U.S. Pat. No. 2,682,235A, Building construction, Buckminster, Fuller Richard. Patent Date: Jun. 29, 1954. The invention describes using a “three-way grid’ of structural members to produce substantially uniform stressing of all members where the framework itself acts almost as a membrane in absorbing and distributing loads. The resultant structure is a spidery framework of many light pieces that so complement one another in the particular pattern of the finished assembly to give an extremely favorable weight-strength ratio and withstand high stresses.
  • 4. U.S. Pat. No. 3,909,994A, Dome construction, Richter, Donald L. Patent Date: Oct. 7, 1975. The invention describes a dome construction having structural frame members arranged in a polygonal pattern forming framed openings covered by sheet material, and a novel joint construction at each frame member.
  • 5. U.S. Pat. No. 6,192,634B1, Dual network dome structure, Lopez, Alfonso E. Patent Date: Feb. 27, 2001. The invention describes a reticulated dome structure with an inner structural network and an outer structural network.

2. Limitations and Drawbacks

The conventional methods for constructing large-scale structures, or megastructures, present various limitations and drawbacks that hinder efficiency, safety, and scalability. The primary issue lies with the reliance on large cranes for lifting and positioning heavy building components, particularly for the uppermost parts of the structures.

The height and load-bearing capabilities of these cranes impose significant restrictions on the size and scope of the structures that can be built. The larger the structure, the larger the crane required, yet cranes can only reach certain heights and lift certain weights safely and efficiently. For instance, structures like one-kilometer domes are virtually impossible to construct using traditional methods, as no crane can lift multi-ton sections to the required height of 500 meters or more.

The use of large cranes also introduces logistical complications. They require substantial open spaces for their setup and operation, and these spaces may not be readily available, particularly in densely populated or geographically constrained areas. The operation of these cranes also necessitates specialized training, adding to the time and cost of the construction process.

Moreover, working at significant heights increases the risk factor associated with these construction projects. The complexity of erecting and managing intricate scaffolding systems, along with the potential risks posed by adverse weather conditions, adds to the challenges and costs of safety management.

In addition, traditional construction methods usually start from the bottom and move upward, resulting in the uppermost section being the last to be built. This approach means that work crews must constantly adjust to the increasing height of the workspace, further adding to the construction safety risk, timeline, and complexity.

Furthermore, traditional construction methods are typically land-based and do not lend themselves to mobility. Once a structure is built, it is fixed in place, restricting flexibility regarding location adjustment or future relocation.

Given these limitations and drawbacks, there is a clear need for a more efficient, safer, and scalable approach to constructing megastructures, and this need drives the development of the current invention.

C. Summary of the Invention

The present invention provides a groundbreaking process for constructing large-scale structures or megastructures, such as extensive domes and military bases, using an adjustable height work platform. The method revolutionizes conventional construction approaches by reversing the construction flow, starting from the structure's apex and continuing downwards. This technique eliminates the need for large cranes, which are a major limiting factor in conventional construction.

The adjustable height work platform is founded on floating foundation blocks, as detailed in patent application Ser. No. 18/765,120. The blocks, placed in a body of water, create the basis for a vertically adjustable platform. As the construction progresses, new negatively buoyant blocks are added underneath the existing platform, increasing its overall height (FIG. 1).

The elevation process is accomplished by introducing high-pressure air into the new blocks' water compartments, displacing the water and increasing the block's buoyancy. As the buoyancy increases, the platform, along with the structure under construction, is raised. This process continues as each section of the structure is completed, maintaining a constant relative height between the workspace and the structure above, thereby negating the need for large-scale cranes.

Upon the completion of the structure, the adjustable platform is gradually removed by reducing the buoyancy of the blocks, starting from the bottom layer. The air is expelled from the blocks, allowing water re-entry, reducing the buoyancy, and enabling the blocks to sink. This action progressively lowers the platform and distances it from the structure's ceiling (FIG. 2).

Depending on its design, the finished structure can be land-based or floating. A land-based structure would be positioned on a fixed foundation with a temporary deep pool to house the block levels during construction. Alternatively, a floating structure would rest on a robust platform, enabling it to be relocated as required.

In summary, this invention introduces an innovative, safer, and more efficient methodology for constructing megastructures. It overcomes the limitations posed by conventional techniques and opens new possibilities for the size and mobility of such structures.

1. Objectives of the Invention

The invention aims to revolutionize the construction of large-scale structures, such as domes and other megastructures, by introducing an adjustable height work platform based on floating foundation blocks. The specific objectives of the invention are as follows:

• • 1. Improve Efficiency: By reversing the traditional bottom-up approach and initiating construction from the apex, the process aims to streamline the construction sequence, potentially reducing both the time and resources required.
  • 2. Mitigate Reliance on Large Cranes: Diminish the dependency on large cranes that have been a significant limiting factor in traditional construction, opening possibilities for larger-scale structures.
  • 3. Enhance Safety: By maintaining a consistent relative height between the workspace and the structure above, the method aims to mitigate the risks associated with working at substantial heights, thereby enhancing overall safety on construction sites.
  • 4. Facilitate Mobility: Enable the construction of movable megastructures that can be relocated as desired. This is a significant advancement from traditional methods, where structures are permanently fixed in location.
  • 5. Increase Scalability: Enable the construction of megastructures of unprecedented scale, overcoming the height limitations imposed by the lifting capacity of cranes. The invention allows for the realization of structures of a scale that was previously thought unattainable.
  • 6. Allow Flexible Design: Offer opportunities to build either land-based or floating structures, catering to a broad range of design and functional requirements.
  • 7. Eliminate Earthworks: Minimize or eliminate the need for earthworks for structures that can be placed on water bodies. This can lead to substantial cost and time savings, as well as easier regulatory compliance. Earthworks can be expensive and time-consuming, and they often come with environmental and regulatory challenges. By reducing or eliminating this stage, the method can significantly improve the overall efficiency and sustainability of construction projects.
  • 8. Enhanced Concealment: Enable the creation of megastructures with enhanced concealment capabilities. By building structures of such scale, significant concealment of activities, assets, or infrastructure within the structure can be achieved. This would be particularly advantageous in military or secure facilities where hiding specific activities from outside observation is crucial.
  • 9. Enhanced Protection: Provide enhanced protection for the structure and its contents. Through the use of specific construction materials and design considerations, these structures can be designed to resist various forms of external threats, such as severe weather conditions, earthquakes, or even military and terrorist attacks. This could significantly enhance the security and safety of personnel, assets, or information contained within the structure.

2. Overview of the New Process

The new process of constructing megastructures, specifically very large domes, completely reinvents the traditional approach of construction, bringing a shift from the conventional bottom-up method to an innovative top-down method.

• • 1. Initial Setup: The process begins with the placement of floating foundation blocks, such as those described in patent application Ser. No. 18/765,120, in a body of water. This setup forms an adjustable height work platform.
  • 2. Starting at the Apex: Unlike traditional construction methods that start at the base, this innovative process initiates construction at the structure's apex. The sections for the apex are first assembled directly on the work platform and are then raised to the desired height. To ensure stability and maintain the intended position, the apex is placed on braces or blocks on the platform instead of using a central stabilizer pole per U.S. Pat. No. 3,999,337A. This unique approach not only drastically departs from conventional practices but also eliminates the need for large cranes, as the work on the topmost section of the structure can be done near the platform level, subsequently allowing for work on its underside to continue seamlessly. Construction of the apex section continues horizontally with riser beams positioned and connected strategically to support the structure's framework until its curvature or drop no longer allows it to fit on the platform without causing excessively high work elevation at the apex.
  • 3. Adding Platform Sections and Lifting Blocks: Once the structure's curvature or drop prevents further horizontal work on the platform, the next stage commences. This involves adding new platform sections laterally and placing new lifting blocks beneath the platform. These new blocks will be employed to raise the platform, providing additional space for the structure to expand and grow vertically. This progression maintains a constant work elevation relative to the structure, ensuring efficiency and safety throughout the construction process.
  • 4. Raising the Platform: After each phase of construction is completed, new lifting blocks with a negative buoyancy are placed beneath the floating blocks of the work platform. High-pressure air is released into the water compartment of the new blocks, forcing the water out and making the block more buoyant. This operation raises the entire platform to the new combined carrying capacity. The end sections of the structure are now elevated, allowing new sections to be added and founded on the platform's lower tier.
  • 5. Enlarging the Structure: The structure is enlarged by adding sections that are placed on the lower tier of the work platform. This approach distributes the weight of the structure across the entire work platform, maintaining structural stability and safety. Importantly, this process ensures that the working height remains at the desired level, maximizing worker safety and allowing for continuous construction without the need for large lifting equipment. Riser beams are then placed on the new platform sections that are connected to the newly expanded sections of the structure's framework until its curvature or drop no longer allows it to fit on the enlarged platform without causing excessively high work elevation at the apex.
  • 6. Repetition of Steps for Completing the Structure: Steps 3 through 5 are systematically repeated—adding new platform sections and lifting blocks, raising the platform, and enlarging the structure—until the entire body of the structure reaches the desired design size. This iterative process enables the gradual and controlled construction of the megastructure while maintaining optimal work height and structural stability.
  • 7. Removing the Braces or Connections to the Platform: Upon reaching the desired design size, the braces or connections to the work platform are carefully removed. This transfer of load allows the weight distribution to align with the structure's design and enables the final completion stages of the structure. During this phase, additional lifting blocks may be strategically placed directly beneath the structure to ensure balanced weight distribution and prevent any tilting or other potential structural issues. This step underscores the flexibility and control offered by this process, further ensuring the stability and safety of the megastructure under construction.
  • 8. Completing the Structure: The construction continues in phases until the entire structure is completed per the design specifications.
  • 9. Lowering the Platform: Either after the structure is completed and all systems are commissioned, or at some point during construction for maximum safety and efficiency, the work platform is removed by gradually reducing the buoyancy of the bottommost lifting blocks and allowing them to sink. The lowering of the platform increases the distance between the work area and the completed structure's ceiling.
  • 10. Installing Level End-to-End Rigging and Systems: While the platform is being lowered, rigging, catwalks, light fixtures, sprinkler systems, and other systems can be installed that are level from one end of the structure to the other. Using a scissor lift or another such piece of equipment, workers install cables to the ceiling anchors above the systems. The system's outermost sections are installed first and are held in place by the overhead cables. As the platform lowers, the additional sections are linked, until the entire system is connected. After the systems are commissioned to ensure they function as designed, the platform is lowered again to install the next system or for removal. This iterative lowering process provides an efficient and controlled means of integrating necessary systems within the megastructure while maintaining structural safety and integrity. It showcases the adaptability of this construction process, accommodating the specific requirements and unique features of the structure.
  • 11. Final Steps: After all superfluous lifting blocks are removed, the structure undergoes final completion and turnover to the owner. Depending on the design, the structure can rest on a fixed land-based foundation or remain on a floating platform.

This new process not only improves construction efficiency, safety, and scalability, but also eliminates the need for extensive earthworks, provides design flexibility, and facilitates the creation of unprecedentedly large megastructures. Furthermore, it can lead to significant cost and time savings and make regulatory compliance easier. This innovative construction process truly pushes the boundaries of what is possible in the realm of megastructure construction.

3. Advantages of the Invention

• • 1. Top-Down Construction: This invention significantly disrupts the traditional bottom-up approach to building megastructures, introducing a top-down methodology that fundamentally alters the construction process. By starting at the apex of the structure and working downwards, the need for massive cranes is eliminated, which offers considerable savings in both cost and time.
  • 2. Modular Work Platform: The use of floating foundation blocks to create an adjustable-height work platform facilitates a scalable and adaptable construction process. This allows for a flexible workspace that can be adjusted to meet the specific needs of the project, enhancing productivity and safety.
  • 3. Unprecedented Megastructure Creation: The novel process and technology enable the construction of megastructures on a scale that far exceeds what is possible with traditional methods. This opens new possibilities in architecture and construction, including the creation of vast domes that can be used for innumerable purposes.
  • 4. Reduced or Eliminated Earthworks: By removing the need for extensive earthworks and site preparation typically required in traditional construction processes, the invention offers potential savings in cost, time, and regulatory compliance. This also has environmental benefits by reducing the disturbance of the site.
  • 5. Flexible System Installation: The method of lowering the platform can be paused at any time to facilitate the installation of integrated systems like lighting, sprinkler systems, and catwalks that extend from one side to the other of the structure on a single level. This provides a high degree of flexibility and control in the final stages of construction.
  • 6. Installation of Large Windows: The unique construction method allows for the installation of very large windows into the structure of the building while at ground level on the platform. This process maximizes worker safety by eliminating the need to work at great heights while simultaneously reducing costs associated with high-elevation installation. Furthermore, these large windows can enhance the aesthetic appeal and functionality of the structure, providing natural light and panoramic views for occupants.
  • 7. Integration of Solar Panels: The vast surface area of these domes provides an optimal base for installing solar panels while at ground level on the platform. This presents an opportunity for megastructures to generate their own renewable energy. Whether providing power for internal systems or contributing back to the grid, the integration of solar panels can lead to significant energy cost savings and reduce the environmental impact of the structure. This aligns with global trends towards sustainable and self-sustaining buildings, further enhancing the attractiveness and feasibility of these megastructures.
  • 8. Optimized Weight Distribution: The process of gradually transferring the weight of the structure from the work platform to the foundation blocks ensures optimal weight distribution. This enhances the structural integrity and safety of the megastructure.
  • 9. Rapid Response to Structural Tilting: The platform design provides the capability for a swift response to correct any unexpected tilting that may occur when the full weight of the structure is transferred to the ground due to subsurface conditions that were unknown or unforeseen. In the event of a tilt, the lowering process can be halted and even reversed. The platform can then reassume the weight of the structure, allowing remedial action to be taken on the ground to ensure a stable foundation, thereby rectifying the tilt before proceeding with the transfer of the structure's weight back to the ground. This dynamic adjustability contributes to the safety and reliability of the construction process.
  • 10. Environmental Considerations: The process significantly reduces the carbon footprint associated with large-scale construction projects, mainly by eliminating the need for massive cranes and extensive earthworks.
  • 11. Enhanced Worker Safety: By maintaining a consistent “low” work elevation and eliminating the need for working at great heights, this method significantly increases worker safety. It effectively mitigates one of the most common risks associated with large-scale construction projects.
  • 12. Accelerated Construction Timelines: The elimination or drastic reduction of earthworks, coupled with the removal of delays associated with working hundreds of meters in the air, contribute to much faster construction timelines. This increased efficiency can result in substantial cost savings and quicker project turnaround times.
  • 13. Creation of Megastructures on Water: The unique design of the floating foundation blocks allows for the construction of megastructures directly on bodies of water. This opens new possibilities for aquatic architecture and overcomes land space limitations, further broadening the potential applications of this invention.
  • 14. Mobility of Megastructures: If the megastructure is designed to rest on a floating platform, the completed structure can be relocated to different areas. This unprecedented mobility adds a new level of flexibility and utility, allowing structures to be moved based on evolving needs or circumstances.
  • 15. Protection from External Threats: These megastructures provide significant protection from both natural and man-made external threats. The robust nature of the construction and the materials used make these structures highly resistant to natural disasters such as earthquakes, tornados, hurricanes, wildfires, floods, and lightning strikes. Furthermore, the ability to integrate security measures into the design provides enhanced resistance to man-madethreats, including terrorist or military attacks. This adds a critical layer of safety and security for the occupants and assets within the structure, thereby enhancing the overall robustness and resilience of the structure.
  • 16. Concealed Military Installations: The inventive process allows for creating large-scale enclosed reinforced concrete domes that can effectively conceal military bases and installations from prying eyes, such as spy satellites and drones. This negates the Intelligence, Surveillance, and Reconnaissance (ISR) advantages of precision-guided munitions (PGM), reducing their effectiveness to no more than “dumb” bombs.
  • 17. Enhanced Defensive Capabilities: In addition to the concealment aspect, the reinforced concrete shell of the structure can be designed to withstand the impact of most munitions, especially when double-or triple-shell walls are used with sand and gravel placed in between to dissipate and absorb the kinetic energy of the projectiles. This significantly enhances the survivability of personnel and assets housed within and boosts the warfighting capacity of the military.
  • 18. Increased Operational Military Flexibility: The ability to construct these structures quickly and relocate them offers a strategic advantage, providing military forces with greater operational flexibility.
  • 19. Electromagnetic Pulse (EMP) Shielding: The construction process allows for the inclusion of EMP shielding within the shell of the military-grade structure. This offers protection for electronic systems housed within, safeguarding them from potential damage caused by electromagnetic pulses. This is particularly relevant in certain environments, such as military installations or data centers, where the protection of electronic systems is of paramount importance.
  • 20. Secure Access: The design of these structures allows for the control of access to just a few strategically located entry points. This enhances security by providing a high degree of control over who enters and exits the structure, making these megastructures ideal for applications where security is a critical consideration.
  • 21. Air Filtration: The enclosed nature of these megastructures provides an opportunity to maintain high-quality interior air. The use of sophisticated air filtration systems can ensure that the air within the structure is kept free from pollution, allergens, and other harmful particles. This enhances the internal environment, making it healthier and more comfortable for occupants.
  • 22. Reduced HVAC Costs: The design of these megastructures facilitates a more efficient use of heating, ventilation, and air conditioning (HVAC) systems. Due to the large internal space and specific configuration of the structures, air can circulate more efficiently, which may reduce the energy consumption and associated costs of HVAC systems. This is particularly advantageous in climates with extreme temperatures, where the efficient regulation of internal temperatures can result in significant energy savings.

These advantages combine to make this invention a revolutionary step forward in the field of megastructure construction. It provides a more efficient, safe, flexible, and environmentally friendly alternative to traditional construction methods.

III. DESCRIPTION

A. Brief Description of the Drawings

FIG. 1: The first of two figures showing how the blocks can be used to create very large structures such as a dome or stadium without using large cranes.

FIG. 2: The second of two figures showing the post-construction phase of the large structure and how the blocks are removed.

B. Detailed Description of the Invention

1. Introduction

This invention outlines a novel process for constructing megastructures, such as large domes and sports stadiums, by employing an adjustable height work platform (FIG. 1). This process enables the construction of larger structures than currently feasible with traditional construction methods, which are limited by the maximum reach of cranes and other equipment. The innovative approach taken here eliminates the need for such equipment and solves the associated logistical challenges, resulting in faster, safer, and more cost-effective construction of truly unprecedented structures.

2. Materials and Components

Reinforced Concrete

The primary material proposed for constructing megastructures such as very large domes is reinforced concrete, a composite material that combines the compressive strength of concrete with the tensile strength of steel reinforcement beams, bars (rebars), and meshes. The use of reinforced concrete allows for the construction of a strong, durable, and resilient structure capable of withstanding various environmental conditions and potential threats. Additionally, this material can be easily shaped into the complex geometries required for dome structures. To further enhance the dome's structural integrity, the concrete can be poured into sections that are interlocked, forming a monolithic shell once cured.

Basalt and Roman concrete can be used for creating structures in marine environments. These are resistant to the corrosive effects of seawater and can last for centuries with minimal maintenance.

Additional Components

• • Floating Foundation Blocks: As referenced in patent application Ser. No. 18/765,120, these blocks are the foundation of the adjustable height work platform and the base of the completed structure if positioned on water. They contain water compartments to adjust the platform's carrying capacity and stability.
  • Lifting Blocks: These blocks are used to raise and lower the work platform. They are designed to adjust their buoyancy by controlling the amount of air or water in their water compartments. When air is introduced into the compartment, the water is expelled, increasing the block's buoyancy and imputing an upward force to the platform. When air is bled, and water re-enters the compartment, the block's carrying capacity decreases, allowing for the platform to be lowered.
  • Structural Braces: These are temporarily used to secure the apex and other sections of the structure to the platform during construction. They hold up the entire structure and keep it in place on the platform until the structure's frame or shell is complete. At which point, they are gradually removed so that the structure's weight rests where it is supposed to go.
  • Sand/Gravel: When used between nested reinforced concrete shells, they confer ballistic, thermal, and sound absorption.

The combination of these materials and components, when used in the process described above, facilitates the construction of massive domes and other megastructures with enhanced safety, efficiency, and cost-effectiveness.

3. Manufacturing Process Steps

The proposed manufacturing process for creating large-scale domes or megastructures involves several crucial steps:

• • 1. Setup: The process begins with the placement of floating foundation blocks in a body of water, creating an adjustable height work platform. The initial working height is determined based on the design of the megastructure, particularly the height of the apex or topmost point of the dome.
  • 2. Apex Construction: The next step involves the assembly of the apex section of the structure on the work platform. Once assembled, the apex is secured onto blocks or braces to keep it stable, enabling work on its underside.
  • 3. Apex Expansion: Construction of the apex section continues horizontally until the structure's drop or curvature no longer allows it to fit on the platform without creating an excessively high work elevation. At this stage, new platform sections are added, and new lifting blocks are placed beneath the platform where riser beams are installed to connect to the structure's expanded framework.
  • 4. Platform Elevation: The new blocks are activated, releasing high-pressure air into their water compartments and increasing their buoyancy. This causes the blocks, and thus the platform and structure, to rise to a new elevation.
  • 5. Structure Expansion: Once the platform is raised, the structure is enlarged by adding sections that are anchored on the lower tier of the work platform. This method ensures the weight of the structure is evenly distributed across the platform while maintaining the desired work height.
  • 6. Repetition of Steps 3-5: Steps 3-5 are repeated as necessary until the entire structure reaches its design size.
  • 7. Structure Stabilization: Once the structure is complete, the connections between it and the work platform are carefully removed so that the structure's weight goes where it is supposed to-either onto a land-based foundation or a floating platform. (If the latter, then additional lifting blocks may be placed directly beneath the structure as needed to prevent tilting or other stability issues.)
  • 8. Platform Lowering: The platform is then gradually lowered by bleeding air out of the lowest layer of the lifting blocks, allowing water to re-enter and reduce buoyancy. These blocks are then removed for reuse (FIG. 2).
  • 9. Installing Level End-to-End Rigging and Systems: While the platform is being lowered, rigging, catwalks, light fixtures, sprinkler systems, and other systems can be installed that are level from one end of the structure to the other. Using a scissor lift or another such piece of equipment, workers install cables to the ceiling anchors above the systems. The system's outermost sections are installed first and are held in place by the overhead cables. As the platform lowers, the additional sections are linked, until the entire system is connected. After the systems are commissioned to ensure they function as designed, the platform is lowered again to install the next system or for removal. This iterative lowering process provides an efficient and controlled means of integrating necessary systems within the megastructure while maintaining structural safety and integrity. It showcases the adaptability of this construction process, accommodating the specific requirements and unique features of the structure.
  • 10. Finalization: When the platform has been fully lowered, the structure undergoes final completion work and is prepared for turnover to the owner. If the structure is to rest on a floating platform, it is towed to its destination (if in a different location), where it is turned over to the client.

These steps outline a flexible, efficient, and safe process for constructing unprecedented megastructures without the need for large cranes or extensive earthworks. It provides numerous advantages over traditional construction methods and opens new possibilities for the types of structures that can be built.

4. Performance Comparison

Compared to traditional methods of construction, the proposed process for creating large-scale megastructures presents a significant advancement in the field. The performance benefits are multiple and substantial:

• • 1. Efficiency: The process utilizes floating foundation blocks, reducing the need for traditional ground foundations and extensive earthworks. The use of these blocks allows for a faster construction timeline, resulting in reduced labor costs and increased construction efficiency.
  • 2. Flexibility: The use of an adjustable height work platform that begins at the apex of the structure and rises as construction progresses provides unprecedented flexibility. This innovative approach bypasses the need for large cranes and offers the potential for creating structures of a significantly larger scale than current methods allow.
  • 3. Safety: Construction work is conducted close to the work platform, eliminating the need for workers to operate at extreme heights. This approach significantly reduces the risk of accidents and improves overall site safety.
  • 4. Environmental Impact: The proposed construction process is more environmentally friendly. The components used, such as the lifting blocks, are reusable and easily transportable, reducing the carbon footprint associated with construction, especially during earthworks.
  • 5. Versatility: The method allows for construction on both land and water, adding a new dimension to the possibilities of megastructure placement. The final structure, if designed to rest on a floating platform, can be moved to different locations, enhancing its utility.
  • 6. Robustness: The structure, built with reinforced concrete and potentially featuring a layer of resistant material such as sand or gravel sandwiched between concrete layers, provides superior protection against external threats, including ballistic and environmental hazards.
  • 7. Rapid Response: In the event of a structural issue, such as tilting due to unexpected ground conditions, the process allows for quick response. The platform's elevation can be adjusted to re-stabilize the structure, allowing the problem to be fixed with minimal delay.
  • 8. Energy Efficiency: Large-scale dome structures lend themselves well to the installation of solar panels on their expansive surface areas, potentially enabling significant energy generation and reducing the structure's environmental impact further.

When contrasted with conventional construction methods, the advantages of this new process become clear. The ability to construct megastructures of unprecedented size and scope, with enhanced safety, efficiency, and versatility, represents a significant leap forward in the field of construction.