负弯矩筋保护层厚度对楼面板受力和挠度影响  

INFLUENCE OF THE THICKNESS OF NEGATIVE BENDING MOMENT REINFORCEMENT CONCRETECOVER ON THE FORCE AND DEFLECTION OF FLOOR

作　　者：聂晓鹏 朱国良 高文艺 NIE Xiaopeng;ZHU Guoliang;GAO Wenyi(Guizhou Construction Science Research and Design Instiute Limited Company of CSCEC,Guiyang 550006,China)

机构地区：[1]贵州中建建筑科研设计院有限公司,贵阳550006

出　　处：《低温建筑技术》2022年第3期140-144,共5页Low Temperature Architecture Technology

基　　金：贵州省高性能混凝土材料及成型工程技术研究中心(黔科合平台-JXCX[2021]002);阵列式超声横波检测技术在套筒灌浆连接无损检测中的应用研究(CSCEC4B-2019-KT-51)。

摘　　要：为研究负弯矩钢筋保护层厚度在大于设计要求1倍情况下,对楼面板承载力及挠度的影响。文中以某工程为例,采用弹性薄板理论、ANSYS有限元分析法和静载试验法研究双向板的承载力和挠度。结果表明楼面板承载力及挠度满足规范要求,为类似工程提供参考。To study the influence of the thickness of the reinforcement cover of the negative bending moment rein-forcement on the bearing capacity and deflection of the floor panel when it is thicker than 1 times the design require-ments.Taking an engineering floor panel as the case,ANSYS finite element analysis with elastic sheet theories,and the static load test method were used to study the bearing capacity and deflection of the two-way slab.The results show that the bearing capacity and deflection of the floor slab meet the requirements of the codes,which provides reference for similar projects.

关 键 词：钢筋混凝土 负弯矩钢筋 混凝土保护层 模拟 静载试验 

分 类 号：TU375.2[建筑科学—结构工程]