预应力扁梁-密肋楼盖体系张拉测试及分析  

Measurement and Analysis of Prestressed Concrete Flat Beam-Waffle Slab System During Prestressing

作　　者：王伟[1] 苏小卒[1] 赵勇[1] 

机构地区：[1]同济大学土木工程学院,上海200092

出　　处：《重庆建筑大学学报》2006年第3期63-66,共4页Journal of Chongqing Jianzhu University

摘　　要：对预应力扁梁-密肋楼盖体系在预应力张拉过程中楼板的变形、预应力混凝土梁的变形和应变进行了现场测试和分析,运用有限元程序对结构的预应力施工过程进行了模拟分析,讨论了预应力扁梁-密肋楼盖体系的预应力效应的建立,指出预应力效应的建立受到楼板平面内刚度的影响。During the pre - stressing of the unbonded prestressed concrete wide flat beam - waffle slab system, the displacements and strains of slab and the prestressed concrete beams were site - measured and the results were analyzed. The prestressing construction was simulated by finite element program. The prestressing efficiency of the unbonded prestressed concrete wide flat beam - waffle slab system was discussed. It indicates that the prestressing efficiency was affected by the in -plane stiffness of slab.

关 键 词：预应力扁梁 密肋楼盖 现场测试 预应力效应 

分 类 号：TU378.2[建筑科学—结构工程]