钢筋混凝土矩形梁裂缝扩展机理研究  

Analysis of crack propagation mechanism of reinforced concrete rectangular beams

作　　者：刘恒源 吕国军 桂许兰 唐世娇 Hengyuan Liu;Guojun Lv;Xulan Gui;Shijiao Tang(Chongqing Vocational College of Transportation,Chongqing 402246,China;Chongqing Road technologyCo.Ltd,Chongqing,402246,China)

机构地区：[1]重庆交通职业学院,重庆402246 [2]重庆路投科技有限公司,重庆402246

出　　处：《青海交通科技》2017年第6期103-106,共4页Qinghai Transportation Science and Technology

摘　　要：钢筋混凝土矩形梁在上部荷载的作用下,下部受拉区因挠度过大易出现裂缝。基于Midas FEA细部分析软件,分析了矩形梁的受力状态、裂缝扩展顺序及带裂缝工作时的应力—应变关系,为设计人员在设计和计算钢筋混凝土矩形梁时提供一定的参考。Under the action of the upper load,the lower tensile zone of the reinforced concrete rectangular beam is easy to crack because of the large deflection. Based on Midas FEA detailed analysis software,analysis the stress,crack extension sequence and the stress-strain relationshipwith cracks of rectangular beam. Provide a reference for the design staff in the design and calculation of reinforced concrete rectangular beams provide a reference.

关 键 词：钢筋混凝土矩形梁 裂缝扩展 应力—应变关系 

分 类 号：TU375.1[建筑科学—结构工程]