密闭索索夹抗滑移试验研究  

Experimental Study on Anti Sliding of Full-closed Cable Clamp

作　　者：李嘉 刘火明[1] 刘盟盟 向卫[1] 辜飞 LI Jia;LIU Huoming;LIU Mengmeng;XIANG Wei;GU Fei(China Construction Eighth Engineering Division Corp.,Ltd.Southwest Branch,Chengdu,Sichuan,610041,China)

机构地区：[1]中国建筑第八工程局有限公司西南分公司,四川成都610041

出　　处：《建筑施工》2021年第12期2639-2642,共4页Building Construction

摘　　要：大开口索穹顶结构施工难度大,国内外均无相关施工技术经验可供借鉴。为保证大开口索穹顶结构施工达到设计效果,结合具体工程项目,分别对单索、群索进行1∶1实物抗滑移试验。通过对受力结构的应力、位移及高强螺栓的压力监测记录进行分析,证明索夹和索的抗滑移性能充分满足设计要求,为现场实体施工提供了坚实的理论基础,弥补了大开口索穹顶结构下密封索与索夹抗滑移理论技术及实践经验的空缺。The construction of large opening cable dome structure is difficult,and there is no relevant construction technology experience at home and abroad for reference.To ensure the design effect of large opening cable dome structure construction,combined with specific engineering projects,the 1∶1 physical anti-sliding tests are carried out for single cable and group cables respectively.By analyzing the stress and displacement of the stressed structure and the pressure monitoring records of high-strength bolts,it is proved that the anti-sliding performance of cable clamp and cable fully meets the design requirements.It provides a solid theoretical basis for onsite physical construction and makes up for the vacancy of anti-sliding theory,technology and practical experience of full-closed cable and cable clamp under large opening cable dome structure.

关 键 词：密闭索 抗滑移 应力监测 位移监测 

分 类 号：TU755[建筑科学—建筑技术科学]