Prestressed cooling tower
Protective structural module and method for construction
Radiating truss roof support array and construction method there
Roofing for domical shell structure
Saddle span shelter and joining system
Shelter and method of making same
Space tension chord arch dome reinforced with tension members an
Spherical segment edge attachment
Steel concrete container and a process for erecting the same
Structural modules
Triangular composite exoskeleton structure
Tubular structure
Underground house and construction method
Vaulted structure
Waisted envelope for tubular building structures