Bond behavior of reinforcement in Lightweight Aggregate Self-Compacting Concrete

被引：34
作者：
Kaffetzakis, Michael I. [1 ]
Papanicolaou, Catherine G. [1 ]
机构：
[1] Univ Patras, Dept Civil Engn, GR-26110 Patras, Greece
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2016年 / 113卷
关键词：
Lightweight self-compacting concrete; Bond strength; Pumice; DEFORMED BARS; STRENGTH; LENGTH; STEEL;
D O I：
10.1016/j.conbuildmat.2016.03.081
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
An investigation of the steel-to-concrete bond in Lightweight Aggregate Self-Compacting Concrete (LWASCC, comprising exclusively pumice aggregates) is presented based on direct pull-out and beam tests. Experimental parameters include: rebar diameter, bond length and type of additive used in the LWASCC mixture. The results are compared with those obtained from identical specimens made of: (i) pumice aggregate self-compacting concrete (PASCC) with normal-weight sand and (ii) normal-weight SCC (NWSCC). The majority of specimens exhibited failures due to splitting (at relatively low slips) and rebar pull-out for direct pull-out and beam tests, respectively. Empirical formulations are used to predict experimentally derived bond strengths. (C) 2016 Elsevier Ltd. All rights reserved.
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收藏
页码：641 / 652
页数：12
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