Modem long-span space structures,developed during the 1970s and 1980s,are light and effective structures based on new technologies and light-weight high-strength materials,such as membranes and steel cables.These stru...Modem long-span space structures,developed during the 1970s and 1980s,are light and effective structures based on new technologies and light-weight high-strength materials,such as membranes and steel cables.These structures include air-supported membrane structures,cable-membrane structures,cable truss structures,beam string structures,suspen-domes,cable domes,composite structures of cable dome and single-layer lattice shell,Tensairity structures and so forth.For the premodem space structures widely used since the mid-twentieth century(such as thin shells,space trusses,lattice shells and ordinary cable structures),new space structures have been developed by the combination of different structural forms and materials.The application of prestressing technology and the innovation of structural concepts and configurations are also associated with modem space structures,including composite space trusses,open-web grid structures,polyhedron space frame structures,partial double-layer lattice shells,cable-stayed grid structures,tree-type structures,prestressed segmental steel structures and so forth.This paper provides a review of the structural characteristics and practical applications in China of modem rigid space structures,modem flexible space structures and modem rigid-flexible combined space structures.展开更多
文摘Modem long-span space structures,developed during the 1970s and 1980s,are light and effective structures based on new technologies and light-weight high-strength materials,such as membranes and steel cables.These structures include air-supported membrane structures,cable-membrane structures,cable truss structures,beam string structures,suspen-domes,cable domes,composite structures of cable dome and single-layer lattice shell,Tensairity structures and so forth.For the premodem space structures widely used since the mid-twentieth century(such as thin shells,space trusses,lattice shells and ordinary cable structures),new space structures have been developed by the combination of different structural forms and materials.The application of prestressing technology and the innovation of structural concepts and configurations are also associated with modem space structures,including composite space trusses,open-web grid structures,polyhedron space frame structures,partial double-layer lattice shells,cable-stayed grid structures,tree-type structures,prestressed segmental steel structures and so forth.This paper provides a review of the structural characteristics and practical applications in China of modem rigid space structures,modem flexible space structures and modem rigid-flexible combined space structures.
