圆形管墩-承台承插式连接承插深度计算  

Calculation of Socket Depth for Circular Pipe Pier-Bearing Platform Socket Connection

作　　者：陈景丽 肖锋 王志刚[3] 王志海[3] 徐艳[4] CHEN Jingli;XIAO Feng;WANG Zhigang;WANG Zhihai;XU Yan(Wuhan Wusong Highway Investment Management Co.,Ltd.,Wuhan,Hubei 430199,China;Wuhan Jingkai Port Co.,Ltd.,Wuhan,Hubei 430090,China;CCCC Second Highway Consultants Co.,Ltd.,Wuhan,Hubei 430056,China;Tongji University,Shanghai 200092,China)

机构地区：[1]武汉武松公路投资管理有限公司,湖北武汉430199 [2]武汉经开港口有限公司,湖北武汉430090 [3]中交第二公路勘察设计研究院有限公司,湖北武汉430056 [4]同济大学,上海市200092

出　　处：《中外公路》2025年第1期146-152,共7页Journal of China & Foreign Highway

基　　金：国家自然科学基金资助项目(编号:51878492)。

摘　　要：圆形管墩-承台承插式连接的最小承插深度可按《公路装配式混凝土桥梁设计规范》(JTG/T 3365-05—2022)C.0.3条进行计算,为使工程设计人员充分理解并正确应用该规范中该条的计算公式,该文首先介绍了该典型连接方案的主要技术特征以及该典型连接方案规范编制的结构破坏原则和结构破坏目标,然后简单介绍该典型连接方案试验研究内容和结果,并说明该典型连接方案的关键构造措施及其作用,最后将规范中制定的最小承插深度估算公式与试验结果进行对比。结果表明:在符合该典型连接方案主要技术特征以及构造要求的前提下,按规范中相关公式计算得到的最小承插深度可以满足该典型连接方案的结构破坏原则和结构破坏目标,且具有一定的安全储备。The minimum socket depth for circular pipe pier-bearing platform socket connection can be calculated according to Article C.0.3 in the Specifications for Design of Highway Precast Concrete Bridges(JTG/T 3365-05—2022).In order to enable engineering designers to fully understand and correctly apply the calculation formula in this article,this paper first introduced the main technical features of the typical connection scheme,as well as the structural failure principles and objectives formulated in the specification of the typical connection scheme.Then,it briefly introduced the experimental research content and results of the typical connection scheme and explained the key construction measures and their functions of the typical connection scheme.Finally,the paper compared the minimum socket depth estimation formula in the specification with experimental research.The results indicate that on the premise of meeting the main technical characteristics and construction requirements of the typical connection scheme,the minimum socket depth calculated according to the relevant formulas in the specifications can meet the structural failure principles and objectives of the typical connection scheme and has a certain safety reserve.

关 键 词：公路桥梁 装配式桥墩 构件承插式连接 圆形管墩 桩基承台 承插深度 

分 类 号：U442[建筑科学—桥梁与隧道工程]