| 箍筋约束混凝土的本构关系研究 |
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| 引用本文： | 刘立军,贾明明,于晓辉.箍筋约束混凝土的本构关系研究[J].工业建筑,2012(Z1):188-191. |
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| 作者姓名： | 刘立军 贾明明 于晓辉 |
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| 作者单位： | 北京龙安华诚建筑设计有限公司;哈尔滨工业大学土木工程学院 |
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| 基金项目： | 国家自然科学基金(51008090);高等学校博士学科点专项科研基金(20102302120077);哈工大科研创新基金(HIT.NSRIF.2009);黑龙江省博士后科研启动金(LBH-Q11123);北京市市属市管高校重点实验室课题 |
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| 摘 要： | 在箍筋约束下,混凝土抗压能力会得到较大地提升,因此在钢筋混凝土结构的有限元分析中,通常考虑箍筋对构件混凝土抗压性能的影响。基于OpenSees有限元分析平台,分别采用现有的三种考虑箍筋约束影响的混凝土本构关系,对两个柱的滞回试验过程进行了模拟,并与试验结果相对比。对比结果表明:Kent-Park-Scott模型和Mander模型均可以较好地模拟箍筋对混凝土约束作用。
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| 关 键 词： | 箍筋约束 混凝土本构 OpenSees 滞回模拟 |
STUDY OF CONSTITUTIVE RELATIONS FOR STEEL-HOOP-CONFINED CONCRETE MATERIAL |
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| Liu Lijun,Jia Mingming,Yu Xiaohui.STUDY OF CONSTITUTIVE RELATIONS FOR STEEL-HOOP-CONFINED CONCRETE MATERIAL[J].Industrial Construction,2012(Z1):188-191. |
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| Authors: | Liu Lijun Jia Mingming Yu Xiaohui |
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| Affiliation: | 1.Beijing Long An Hua Cheng Architectural Design Limited Company,Beijing 100052,China; 2.School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China) |
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| Abstract: | The compressive strength of concrete is promoted due to the confinement of steel hoop.Generally the effect of steel hoop on the confined concrete of elements is considered in finite element analysis for RC structures.This paper employs three existing constructive relations for steel-hoop-confined concrete to simulate two test columns’ hysteretic behavior on the platform of OpenSees.By comparing with the test results,the so called Kent-Park-Scott model and Mander model are both able to describe the effect of steel hoops on confined concrete. |
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| Keywords: | steel-hoop-confined constructive relationship for concrete OpenSees simulation of hysteretic behavior |
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