Experimental and numerical investigation of the interfacial properties of non-steam-cured UHPC-steel composite beams

被引：101
作者：
Wang, Zhe [2 ]
Nie, Xin [1 ]
Fan, Jian-Sheng [1 ]
Lu, Xin-Ying [2 ]
Ding, Ran [2 ]
机构：
[1] Tsinghua Univ, Dept Civil Engn, China Educ Minist, Key Lab Civil Engn Safety & Durabil, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Civil Engn, Beijing 100084, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2019年 / 195卷
基金：
中国国家自然科学基金;
关键词：
Non-steam-cured UHPC; Composite structure; Bonding connection; Interfacial property; Finite element model; Cohesive element; BONDED STEEL; STATIC BEHAVIOR; CONCRETE BEAM;
D O I：
10.1016/j.conbuildmat.2018.11.057
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The performance of ultra-high performance concrete (UHPC)-steel composite beams is dependent on the connection between the UHPC and steel. In this study, bending tests were conducted on UHPC-steel composite beams with different interfaces: UHPC directly cast on different plate textures, bonding using an epoxy-based adhesive, and traditional headed studs. The connection between the UHPC and the plates was extremely weak, but the adhesive performed well, failing after the steel beam yielded. Three-dimensional finite element models of the adhesively bonded beams were then established using ABAQUS and agreed well with the test results, successfully predicting the failure of the adhesive bonds. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：323 / 339
页数：17
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