钢筋强度对中强螺旋肋钢丝预应力空心板延性的影响  

Influence of strength of reinforcing bars to the ductile property of prestressed concrete hollow slab with mid-strength spiral-rib steel wire

作　　者：代学灵[1,2] 崔秀琴[3,2] 冯仲仁[3] 王雄江[3] 

机构地区：[1]太原理工大学建筑与土木工程学院,山西太原030024 [2]焦作大学土木建筑工程学院,河南焦作454000 [3]武汉理工大学土木工程与建筑学院,湖北武汉430070

出　　处：《混凝土》2010年第3期126-127,共2页Concrete

摘　　要：采用数值分析方法,运用构件受弯全过程数值分析计算程序,在预应力混凝土空心板截面尺寸及荷载形式相同,配筋率、跨高比、张拉控制应力、混凝土强度等参数不变的情况下,改变钢筋强度,对中强螺旋肋钢丝预应力混凝土空心板进行受力全过程的数值分析,探讨了钢筋强度对中强螺旋肋钢丝预应力混凝土空心板延性的影响。The numerical method is employed to simulate the whole loading process of bending prestressed concrete hollow slab with mid-strength spiral-rib steel wire.The influencing strength of reinforcing bars to the ductile property of prestressed concrete hollow slab with mid-strength spiral-rib steel wire was get from the experiment.In the process,changing strength of reinforcing bars,keeping the section and loading and some parameters constant,such as percentage of steel,span-height ratio,control tension stress,the concrete strength.

关 键 词：钢筋强度 中强螺旋肋钢丝 预应力混凝土空心板 延性破坏 

分 类 号：TU528.72[建筑科学—建筑技术科学]