The Effect of Steel Trusses on the Mechanical Performance of Laminated Precast Slabs

Laminated concrete slabs can deliver desirable structural properties and effectively improve the speed of construction. According to their basic specifications, laminated comprise a 60 mm precast slab 70 layer cast in situ, with steel truss bar at height 80 mm. This paper studies effects on mechanical slabs. A simple but accurate method is proposed for calculating stiffness The test results show that has limited effect will weaken compression strength concrete, resulting significant reduction ultimate bearing capacity slab. Further discussions eliminating appropriately increasing thickness increase load-bearing slab, as well reduce consumption floor reinforcement by about 26%.