方钢管赤泥混凝土黏结滑移性能试验研究_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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方钢管赤泥混凝土黏结滑移性能试验研究

Experimental Research on the Bond-slip Behavior of Red Mud Concrete Filled Square Steel Tubes

2020年1期 No.285 P36-40

方钢管赤泥混凝土；黏结滑移；赤泥替代率；黏结强度

Red mud concrete filled square steel tube; Bond-slip; Red mud replacement rate; Bond strength

2020年1期 No.285 P36-40

10.19761/j.1000-4637.2020.01.036.05

国家自然科学基金资助项目（51574015）；辽宁省自然科学基金资助项目（20170540493）；辽宁省博士科研启动基金资助项目（20170520139）；辽宁省交通高等专科学校2018年度技术应用型科研资助项目（LNCCjyky201810）；辽宁省交

武斌1,2，谭卓英2，尹晶1，赵爽3，齐昆4

1.辽宁省交通高等专科学校建筑工程系，沈阳 110122；2.北京科技大学土木与资源工程学院，100083；3.中国建筑东北设计研究院有限公司，沈阳 110000；4.国网沈阳供电公司，110000

武斌1,2，谭卓英2，尹晶1，赵爽3，齐昆4

张国良,李晨,张煜,等.早强降黏型复合掺合料对盾构管片混凝土性能的影响[J].混凝土与水泥制品,2020(1):29-32.

ZHANG G L,LI C,ZHANG Y,et al.Effect of Composite Admixture with Early Strength and Viscosity-Reducing Function on the Concrete of Shield Tunnel Segment[J].China Concrete and Cement Products,2020(1):29-32.

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摘要：制作了15个方钢管赤泥混凝土短柱试件进行推出试验，获得了方钢管赤泥混凝土的荷载-滑移曲线，研究了赤泥替代率、混凝土强度、长径比（埋置长度）、宽厚比对方钢管赤泥混凝土黏结滑移性能的影响。研究结果表明，方钢管赤泥混凝土荷载-滑移曲线经历了5个阶段，即无滑移段、上升段、下降段、二次上升段、二次下降段。黏结极限荷载随赤泥替代率的提高先增加后降低，赤泥替代率为5%时，黏结极限荷载达到最大；赤泥替代率为20%时，黏结极限荷载与标准钢管混凝土相当。黏结极限荷载随混凝土强度及长径比的增加而增加；随宽厚比的增加而减小。
Abstract: Fifteen red mud concrete filled square steel tubes short column specimens were designed for the push-out test, and the load-slip curves of red mud concrete filled square steel tubes were obtained, and the effects of the replacement rate of red mud mass, concrete strength, length diameter ratio(embedment length), width to thickness ratio on the bond slip behavior of the steel stubs were studied. The results show that the load slip curves of red mud concrete filled square steel tubes can be classified into five stages: no slipping, ascending, descending, reascending and redescending. The bond ultimate load increases first and then decreases with the increase of red mud substitution rate. When the substitution rate of red mud is 5%, the bond ultimate load reaches the maximum. When the substitution rate of red mud is 20%, the bond ultimate load is equivalent to that of normal concrete filled steel tube. The bond ultimate load increases with the increase of the concrete strength and the length-diameter ratio, and decreases with the increase of the width-thickness ratio.

英文名 : Experimental Research on the Bond-slip Behavior of Red Mud Concrete Filled Square Steel Tubes

刊期 : 2020年1期 No.285 P36-40

关键词 : 方钢管赤泥混凝土；黏结滑移；赤泥替代率；黏结强度

Key words : Red mud concrete filled square steel tube; Bond-slip; Red mud replacement rate; Bond strength

刊期 : 2020年1期 No.285 P36-40

DOI : 10.19761/j.1000-4637.2020.01.036.05

文章编号 :

基金项目 : 国家自然科学基金资助项目（51574015）；辽宁省自然科学基金资助项目（20170540493）；辽宁省博士科研启动基金资助项目（20170520139）；辽宁省交通高等专科学校2018年度技术应用型科研资助项目（LNCCjyky201810）；辽宁省交

作者 : 武斌1,2，谭卓英2，尹晶1，赵爽3，齐昆4

单位 : 1.辽宁省交通高等专科学校建筑工程系，沈阳 110122；2.北京科技大学土木与资源工程学院，100083；3.中国建筑东北设计研究院有限公司，沈阳 110000；4.国网沈阳供电公司，110000

武斌1,2，谭卓英2，尹晶1，赵爽3，齐昆4

张国良,李晨,张煜,等.早强降黏型复合掺合料对盾构管片混凝土性能的影响[J].混凝土与水泥制品,2020(1):29-32.

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摘要

参数

结论

参考文献

引用本文

摘要：制作了15个方钢管赤泥混凝土短柱试件进行推出试验，获得了方钢管赤泥混凝土的荷载-滑移曲线，研究了赤泥替代率、混凝土强度、长径比（埋置长度）、宽厚比对方钢管赤泥混凝土黏结滑移性能的影响。研究结果表明，方钢管赤泥混凝土荷载-滑移曲线经历了5个阶段，即无滑移段、上升段、下降段、二次上升段、二次下降段。黏结极限荷载随赤泥替代率的提高先增加后降低，赤泥替代率为5%时，黏结极限荷载达到最大；赤泥替代率为20%时，黏结极限荷载与标准钢管混凝土相当。黏结极限荷载随混凝土强度及长径比的增加而增加；随宽厚比的增加而减小。

Abstract: Fifteen red mud concrete filled square steel tubes short column specimens were designed for the push-out test, and the load-slip curves of red mud concrete filled square steel tubes were obtained, and the effects of the replacement rate of red mud mass, concrete strength, length diameter ratio(embedment length), width to thickness ratio on the bond slip behavior of the steel stubs were studied. The results show that the load slip curves of red mud concrete filled square steel tubes can be classified into five stages: no slipping, ascending, descending, reascending and redescending. The bond ultimate load increases first and then decreases with the increase of red mud substitution rate. When the substitution rate of red mud is 5%, the bond ultimate load reaches the maximum. When the substitution rate of red mud is 20%, the bond ultimate load is equivalent to that of normal concrete filled steel tube. The bond ultimate load increases with the increase of the concrete strength and the length-diameter ratio, and decreases with the increase of the width-thickness ratio.

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[6] 刘春,尹国勋.烧结法赤泥生产混凝土的研究探讨[J].中国资源综合利用,2007,25(3):17-19.

[7] VIRDI K S,DOWLING P J.Bond strength in concrete filled steel tubes[J].IABSE Periodica,1980,3:125-139.

[8] ZHONG T,SONG T Y,BRIAN U,et al.Bond behavior in concrete-filled steel tubes[J].Journal of Constructional Steel Research,2016,120:81-93.

[9] QU X S,CHEN Z H,DAVID A N,et al.Push-out tests and bond strength of rectangular CFST columns [J].Steel and Composite Structures,2015,19(1):21-41.

[10] 徐金俊,陈宗平,薛建阳,等.圆钢管再生混凝土界面黏结失效的推出试验研究[J].建筑结构学报,2013,34(7):148-157.

[11] 陈宗平,徐金俊,薛建阳,等.钢管再生混凝土黏结滑移推出试验及黏结强度计算[J].土木工程学报,2013,46(3):49-58.

[12] YIN X W,LU X L.Study on push-out test and bond stress-slip relationship of circular concrete filled steel tube [J].Steel and Composite Structures,2010,10(4):317-329.

[13] 姜封国,赵景鲁.黏结性对圆钢管混凝土柱抗震性能的影响[J].世界地震工程,2015,31(1):167-172.

[14] 刘永健,刘君平,池建军.钢管混凝土界面抗剪黏结滑移力学性能试验[J].广西大学学报:自然科学版,2010,35(1):17-23.

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