Research On The Different Cloth Tendons Prestressed Concrete Under Di-directional Properties Of The Force Plate

At present, tendons in prestressed concrete two-way slabs are often disposed uniformly. Because of complex mechanisms and inadequate researches on two-way slabs, a more reasonable design method has not yet been formed. This paper analyzes influence of tendons disposal to load-carrying capacity of the quadrilateral simply supported slabs, and put forward a reasonable tendons disposal, with testing three tendons disposal slabs, to make good use of prestress effect, reduce tendons areas, depress cost of structures, and simplify construction.The following shows primary contents :1.This paper presents load-carrying capacity formulae of three tendons disposals of the quadrilateral simply supported slabs, based on principle of virtual work and yield line theory.2.Analyzes influence of tendons disposal to load-carrying capacity of the quadrilateral simply supported slabs, to conclude a reasonable tendon disposal of two-way prestressed concrete slabs.3.A finite element model has developed,and,through finite element analysis,the correctness of theoretical analysis has verified.4.Compared the finite element analysis and the experimental results,the impact of the cloth reinforced tendons way on the bearing capacity of prestressed concrete slab has been further authentication,then,a reasonable cloth reinforced way has obtained.5.A design method of the quadrilateral simply supported two-way prestressed concrete slabs is given through a numerical example.