矩形钢管混凝土柱埋入式柱脚的抗弯承载能力研究

胡中正; 张刚; 刘宇飞; 沈道东; 李振兴; 杨臻; 何杰; 张磊; 童根树

doi:10.3724/j.gyjzG25041502

矩形钢管混凝土柱埋入式柱脚的抗弯承载能力研究

doi: 10.3724/j.gyjzG25041502

1. 中国电建集团华东勘测设计研究院有限公司, 杭州 311122;
2. 浙江大学高性能结构研究所, 杭州 310058

详细信息

作者简介:
胡中正,博士,高级工程师,主要从事钢结构和结构工程设计方向研究,hu_zz2@hdec.com。

通讯作者:
张磊,博士,副教授,主要从事钢结构、组合结构方向研究,celzhang@zju.edu.cn。

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出版历程
- 收稿日期: 2025-04-15
- 网络出版日期: 2026-11-06

Research on the Bending Resistance of Embedded Rectangular Concrete-Filled Steel Tubular Column Bases

1. POWERCHINA HUADONG Engineering Corporation Limited, Hangzhou 311122, China;
2. Institution of Advanced Engineering Structures, Zhejiang University, Hangzhou 310058, China

摘要

摘要: 埋入式柱脚是钢结构建筑中常用的一种柱脚形式，GB 50017—2017《钢结构设计标准》、JGJ 138—2016《组合结构设计规范》主要根据柱侧混凝土的承压强度来确定柱脚的最小埋入深度，但是缺乏试验和系统的相关研究。为此，利用2个不同埋深的矩形钢管混凝土柱试件拟静力试验的结果，建立了精细的有限元模型；利用有限元模型，变化截面参数、埋入深度、轴压比和混凝土强度等主要参数，对矩形钢管混凝土柱埋入式柱脚的滞回性能进行系统研究。在此基础上，提出钢管混凝土柱埋入式柱脚的抗弯承载力的计算模型和公式，以及基于承载能力的埋入深度计算方法。将研究所得出的抗弯承载公式计算结果与有限元结果对比发现，两者结果非常吻合，但按GB 50017—2017和JGJ 138—2016中的方法得到的结果明显偏于保守，研究得到的最小埋深要小于GB 50017—2017和JGJ 138—2026方法得到的结果。
- 埋入式柱脚 /
- 钢管混凝土 /
- 有限元数值模拟 /
- 抗震性能 /
- 试验研究
Abstract: The embedded column base is a common type of column base in steel structures. Chinese design codes GB 50017-2017 and JGJ 138-2016 primarily determine the resistance and embedment depth of the embedded steel column bases based on the compressive strength of the concrete surrounding the steel column，but the releveut research on experiments and systems is absence. In this study， quasi-static tests were conducted on two concrete-filled steel tubular （CFST） embedded column base specimens with different embedment depths. Based on the test results， a refined finite element model was developed. The hysteretic behavior of CFST embedded column bases was studied using numerical methods by varying key parameters， including section size， embedment depth， axial compression ratio， and concrete strength. This study proposed an analytical method and formulas for predicting the bending resistance of CFST column embedded column bases， as well as a method for calculating the required embedment depth based on bending resistance. Comparisons showed that the bearing capacities calculated by the proposed methods matched very well with those from the finite element analyses， while the results obtained from the existing design codes GB 50017-2017 and JGJ 138-2016 were significantly more conservative. Furthermore， the minimum embedment depth determined by the proposed method was notably smaller than the values derived from the GB 50017-2017 and JGJ 138-2016 methods.
- embedded column base /
- concrete-filled steel tube /
- finite element simulation /
- seismic performance /
- experimental research

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参考文献(22)

[1]	TREMBLAY R,FILIATRAULT A,BRUNEAU M,et al. Seismic design of steel buildings:lessons from the 1995 Hyogo-ken Nanbu earthquake[J]. Canadian Journal of Civil Engineering,1996,23(3):727-756.
[2]	NAKASHIMA M,INOUE K,TADA M. Classification of damage to steel buildings observed in the 1995 Hyogoken-Nanbu earthquake[J]. Engineering Structures,1998,20(4):271-281.
[3]	中华人民共和国住房和城乡建设部.组合结构设计规范:JGJ 138-2016[S].北京:中国建筑工业出版社,2016.
[4]	中华人民共和国住房和城乡建设部.钢结构设计标准:GB 50017-2017[S].北京:中国建筑工业出版社,2018.
[5]	中华人民共和国住房和城乡建设部.高层民用建筑钢结构技术规程:JGJ 99-2015[S].北京:中国建筑工业出版社,2015.
[6]	ZHAO X Z,LYU X,XU X,et al. Flexural behaviour of shallow-embedded steel column bases[J]. Engineering Structures,2024,318:116789.
[7]	XU Y,GUO L,GAO S,et al. Experimental study and design method of embedded concrete-filled rectangular steel tube column base under cyclic load[J]. Engineering Structures,2024,302:117384.
[8]	TAN S,GUO L,JIA C,et al. Experimental investigation on seismic performance of an enhanced embedded base for CFST columns[J]. Engineering Structures,2024,300:117154.
[9]	HSU H L,LIN H W. Improving seismic performance of concrete-filled tube to base connections[J]. Journal of Constructional Steel Research,2006,62(12):1333-1340.
[10]	MOON J,LEHMAN D E,ROEDER C W,et al. Evaluation of embedded concrete-filled tube (CFT) column-to-foundation connections[J]. Engineering Structures,2013,56:22-35.
[11]	中华人民共和国住房和城乡建设部.混凝土结构设计规范:GB 50010-2010[S].北京:中国建筑工业出版社,2015.
[12]	HAN L H,YAO G H,TAO Z. Performance of concrete-filled thin-walled steel tubes under pure torsion[J]. Journal of Constructional Steel Research,2007,45(1):24-36.
[13]	沈聚敏,王传志,江见鲸.钢筋混凝土有限元与板壳极限分析[M].北京:清华大学出版社,2003.
[14]	YANKELEVSKY D,REINHARDT H. Model for cyclic compressive behavior of concrete[J]. Journal of Structural Engineering,1987,113(2):228-240.
[15]	滕智明,邹离湘.反复荷载下钢筋混凝土构件的非线性有限元分析[J].土木工程学报,1996(2):19-27..
[16]	石永久,王萌,王元清.循环荷载作用下结构钢材本构关系试验研究[J].建筑材料学报,2012,15(3):293-300.
[17]	SHI Y,WANG M,WANG Y. Experimental and constitutive model study of structural steel under cyclic loading[J]. Journal of Constructional Steel Research,2011,67(8):1185-1197.
[18]	YANG F,VELJKOVIC M,LIU Y. Ductile damage model calibration for high-strength structural steels[J]. Construction and Building Materials,2020,263:120632.
[19]	刘宇飞.新型短梁加劲埋入式钢管混凝土柱脚的抗震性能研究[D].杭州:浙江大学,2025.
[20]	European Committee for Standardization. Eurocode 4:design of composite steel and concrete structures-part 1-1:general rules and rules for buildings[S]. Brussels:CEN,2004.
[21]	中国工程建设标准化协会.矩形钢管混凝土结构技术规程:CECS 159-2004[S].北京:中国计划出版社,2004.
[22]	HETENYI M. Beams on elastic foundation:theory with applications in the fields of civil and mechanical engineering[M]. Ann Arbor:University of Michigan Press,1946.