Experimental Study And Theoretical Analysis Of Parallel Connection Inflatable Arch Structure Of Big Span And High Pressure

In the history,the arch type building has a prominent place. The arch type building is an ancient and still energetic form of construction.Theory and practice of ordinary materials arch has very mature, application is very extensive. Along with the development of material science, the improvement of the performance of the membrane material materials, and it has many obvious advantages that like light weight, convenient to move and repeated use,membrane structure become new research topic, also is the development of large spatial reticulated structures direction. Gas rib type inflatable arch structure as a kind of new architecture, his research just start, researchers at home and abroad are few and most of the low pressure gas research focuses on the bearing type membrane structure. Our army in order to improve the camping,a certain institute develop the Parallel-connection arch structure based on low-pressure gas rib. Implement research and discussion to ensure the safety and reliable of the structure,it has important theoretical significance and application value,especially of great significance for our military logistics.In order to real master structure mechanism and damage form of Parallel-connection arch structure,use prototype method to test the structure at the main load-snow load,get the load-displacement bender of the structure, based on the test that put forward the modulus of elasticity of high pressure air arch structure. By using the finite element analysis method and means of analysis software, carry the discussion and analysis on the unit selection of the structure model, material constitutive relationship and boundary conditions. Combination of the classical arch structure theory to discussed the displacement calculation method of inflatable arch structure,provides theory basis for the design of high pressure air arch structure.