[1]赵强.方钢管再生混凝土界面粘结性能试验[J].华侨大学学报(自然科学版),2016,37(1):115-119.[doi:10.11830/ISSN.1000-5013.2016.01.0115]
　ZHAO Qiang.Test on Bond Behavior of Concrete Filled Square Steel TubesBetween Steel and Recycled Coarse Aggregate Concrete[J].Journal of Huaqiao University(Natural Science),2016,37(1):115-119.[doi:10.11830/ISSN.1000-5013.2016.01.0115]
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方钢管再生混凝土界面粘结性能试验()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第37卷
期数:
2016年第1期
页码:
115-119
栏目:
出版日期:
2016-01-03

文章信息/Info

Title:
Test on Bond Behavior of Concrete Filled Square Steel TubesBetween Steel and Recycled Coarse Aggregate Concrete
文章编号:
1000-5013(2016)01-0115-05
作者:
赵强
山西省建筑科学研究院, 山西 太原 030001
Author(s):
ZHAO Qiang
Shanxi Construction Science Academy, Taiyuan 030001, China
关键词:
钢管混凝土;  再生混凝土;  粘结滑移;  粘结强度
Keywords:
concrete-filled steel tube;  recycled aggregate concrete;  bong slip;  bond strength
分类号:
TU528
DOI:
10.11830/ISSN.1000-5013.2016.01.0115
文献标志码:
A
摘要:
对8根钢管再生混凝土柱界面粘结性能进行研究,探讨再生骨料取代率及再生混凝土强度对钢管再生混凝土界面粘结性能的影响.结果表明:钢管再生混凝土荷载-滑移曲线大致经历无滑移阶段、应力上升段、应力下降段等3个阶段,不同再生骨料取代率的钢管再生混凝土荷载-滑移曲线具有类似的特征;再生骨料的取代率对钢管与再生混凝土界面粘结强度影响显著,再生骨料取代率越高,界面粘结强度越低;再生混凝土强度对钢管再生混凝土强度有一定影响,随着再生混凝土强度提升,粘结强度逐渐增加,但增幅逐渐降低.
Abstract:
To investigate the influence of different ratio and strength grade of recycled aggregate concrete on interfacial bond performance of concrete filled steel tube, the bond behavior of eight pieces of recycled aggregate concrete-filled steel tube is studied. The results indicate that load-slip curve of recycled aggregate concrete-filled steel tube consists of three stages, including the no slip stage, stress increase stage and stress decrease stage. The load-slip curves steel with different recycled aggregate replacement ratios have similar characteristics. The replacement ratio of recycled aggregate has a significant negative effect on the bond strength. With the increase of the replacement ratio of recycled aggregate, the bond strength decreases gradually. The strength of recycled concrete has a certain effect on the bond strength. With the increase of the strength of recycled aggregate concrete, the bond strength increases gradually, but the increase percent reduces gradually.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2015-08-10
通信作者: 赵强(1974-),男,高级工程师,主要从事结构工程的研究.E-mail:zq2021325@hotmail.com.
基金项目: 国家自然科学基金资助项目(51308371); 山西省自然科学基金资助项目(2014011033-1)
更新日期/Last Update: 2016-01-20