混凝土加强波纹钢组合板抗弯刚度及承载能力  

Flexural stiffness and bearing capacity of corrugated steel plate composite structures reinforced by concrete

作　　者：刘保东[1] 李芳 王晓溪 高猛 LIU Bao-dong;LI Fang;WANG Xiao-xi;GAO Meng(School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China;Shandong Provincial Communication Planning and Design Institute Group Co.,Ltd.,Jinan 250031,China)

机构地区：[1]北京交通大学土木建筑工程学院,北京100044 [2]山东省交通规划设计院集团有限公司,济南250031

出　　处：《吉林大学学报（工学版）》2024年第9期2502-2510,共9页Journal of Jilin University:Engineering and Technology Edition

基　　金：国家自然科学基金项目(51478030);齐鲁交通发展集团有限公司科技项目(KJ-2019-QLJTJT-01)。

摘　　要：为了增强单层波纹钢板(CSP)的承载能力,在波纹钢板上焊接栓钉作为剪力连接件,然后在波纹钢板上浇筑混凝土层,二者共同受力。对3块混凝土加强波纹钢板组合构件进行了静力加载,分析了不同混凝土厚度对构件受力性能的影响,并验证了焊接栓钉作为剪力连接件的可靠性。试验结果表明:相较于单层波纹钢板,组合板的承载能力提高了60%~111%,并且其抗弯刚度是单层波纹钢板的4倍以上。基于波纹钢板-混凝土(CSPC)组合板的受力性能,提出了适用于波纹钢组合板弯曲刚度的计算方法。随后通过ABAQUS软件建立了数值模型并验证了其可靠性。本文研究结果为混凝土加强波纹钢组合结构在大跨桥涵中的应用提供了设计参考。In order to enhance the load-bearing capacity of single-layer corrugated steel plates(CSP),bolts were welded on the CSP as shear connectors,and then a concrete layer was poured on the CSP to jointly bear the force.Three concrete-reinforced corrugated steel plate assemblies were statically loaded to analyze the effect of different concrete thicknesses on the force behavior of the structure,which verified the reliability of welded studs as shear connectors.The test results show that compared with a single corrugated steel plate,the load-bearing capacity of the composite slab was increased by 60%-111%,and flexural stiffness was more than 4 times.Based on the force performance of corrugated steel plate-concrete(CSPC) composite slab,the calculation method applicable to the flexural stiffness of corrugated steel composite slab was proposed.The numerical model were established in the ABAQUS software to verify the reliability.This study provides design references for the application of concrete reinforced corrugated steel composite structures in long span bridges and culverts.

关 键 词：桥涵工程 组合结构 波纹钢板 受弯性能 

分 类 号：TU398[建筑科学—结构工程]