Analysis On Mechanical Properties Of EPSC Form Latticed Concrete Integrated Wall

It is a kind of composite wall that combined with cement polystyrene mold shell and its internal filler(concrete,reinforcement).In the architectural,it can be viewed as the auxiliary components and load-bearing structure.However,the force will be balanced equably.Conforms to our country of the concept of green buildings for the sustainable development of energy conservation and environment protection.The integrated composite wall has many advantages,such as saving materials,good thermal insulation performance,fast construction speed,even distribution of force,etc.At present,the wall is widely used in multi-storey buildings,and limited by its low lateral resistance,it cannot be applied to high-rise and super-high-rise building structures.Lattice shell mould as a result,the cement polystyrene concrete wall,on the basis of experimental study on the integration build cement polystyrene lattice shell mould finite element numerical model of integration of concrete wall,analyze its loading in the monotonic load and cyclic load under the condition of mechanical performance,on this basis,the structure optimization design of integration of the wall.Lattice shell mould as a result,the cement polystyrene concrete wall,on the basis of experimental study on the integration build cement polystyrene lattice shell mould finite element numerical model of integration of concrete wall,analyze its loading in the monotonic load and cyclic load under the condition of mechanical performance,on this basis,the structure optimization design of integration of the wall.The main research contents are as follows:(1)According to the rheostriction of hysteretic curve,make a exploitation and a programme for the subroutine.CPD model was adopted for concrete.Due to the complexity of the model,the third-party software HYPERMESH was also used for doing mesh generation to it to improve the quality of the mesh and establish a numerical model for the concrete wall with lattice structure.(2)With the effect of low cyclic loading,by comparing numerical simulation and mechanical performance index of the experiment,such as the hysteretic loop curve,skeleton curve,bearing capacity,failure mode,ductility performance,energy dissipation capacity,And from it,the author found the errors were nearly identical and the error is within the allowable range.And the author have verified the accuracy of simulation analysis of integrated wall.(3)The author analyzed that how the orthogonal lattice column wall affected its bearing capacity and anti-seismic property in aperture size,axial force ratio,reinforcement ratio,width-to-thickness ratio,pitch-row,lattice column angle.(4)Under monotonous and low-cycle reciprocating load,the mechanical performance of the wall is simulated and analyzed,and the wall with the optimal Angle is compared with the simulated shear wall.And optimize the revolutionary structure column angle EPSC lattice wall,compared with shear wall concrete integration analysis,and the best angle of the new model wall bearing capacity compared with shear wall bearing capacity,contrast the yield displacement and yield load of the two under the action of monotone load,And under the action of low cycle reciprocating load,compared with the two of The hysteresis curve and skeleton curve.