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浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (9): 1593-1598    DOI: 10.3785/j.issn.1008-973X.2013.09.012
土木工程、工程力学     
胶黏钢-混凝土组合梁的界面行为数值分析
王玉强1,张宽地2,陈晓东1
1. 浙江水利水电学院 水利工程系,浙江 杭州 310018;2 西北农林科技大学 水利与建筑工程学院,陕西 杨凌 712100
Numerical analysis on interface behavior of
adhesive bonded steel-concrete composite beams
WANG Yu-qiang1,ZHANG Kuan-di2,CHEN Xiao-dong1
1. Department of Hydraulic Engineering,Zhejiang University of  Water Resources and Electric Power,
Hangzhou 310018,China ;2.College of Water Conservancy and Architectural Engineering, Northwest
Agricultural and Forestry University, Yangling 712100,China
 全文: PDF 
摘要：

根据推出的试验测试数据,将黏胶/混凝土界面的剪切-滑移行为用具备损伤本构关系的弹簧单元来模拟,建立胶黏钢-混凝土组合梁的三维非线性有限元模型.基于模拟结果,揭示了组合梁黏胶/混凝土界面的黏结应力分布规律及脱胶剥离过程.分析结果表明：弹性模量小的黏胶剂更有利于界面的剪力均匀传递,但会引起混凝土板和钢梁间产生大的相对滑动,导致结构整体承载力降低.胶黏组合梁的界面脱胶剥离是一个突发的典型脆性破坏过程,会产生灾难性后果,在设计过程中需引起足够重视.
关键词： 黏胶;  钢-混凝土组合梁;  有限元分析;  界面行为;  脱胶    
Abstract:

The shear-slip behavior of adhesive/concrete interface was simulated by using the spring element with a damage-type law from the push-out experiment data. A three-dimensional nonlinear finite element model for the adhesive bonded steel-concrete composite beams was proposed. Based on the simulation results, the bonding stress distribution and the debonding process in the adhesive/concrete interface were revealed.  Adhesive with less value of elastic modulus makes the shear transformation more evenly, but it may induce a bigger relative slip between the concrete slab and the steel girder, which may impair the carrying capacity of the composite beams. Numerical results reveal that the debonding failure is a typical brittle destroy process with a catastrophic failure of the composite beams and must be paid enough attention during the design process．
Key words:  adhesive    steel-concrete composite beam    finite element analysis    interface behavior    debonding
出版日期: 2013-09-17
:     
作者简介: 王玉强（1978-），男，副教授，主要从事水利工程结构及施工的教学与研究工作.E-mail:wangyq@zjwchc.com
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引用本文:

王玉强,张宽地,陈晓东. 胶黏钢-混凝土组合梁的界面行为数值分析[J]. J4, 2013, 47(9): 1593-1598.

WANG Yu-qiang,ZHANG Kuan-di,CHEN Xiao-dong. Numerical analysis on interface behavior of
adhesive bonded steel-concrete composite beams. J4, 2013, 47(9): 1593-1598.

链接本文:

http://www.zjujournals.com/xueshu/eng/CN/10.3785/j.issn.1008-973X.2013.09.012    或    http://www.zjujournals.com/xueshu/eng/CN/Y2013/V47/I9/1593

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