Experimental evaluation of the effort of dune sand replacement levels on flexural behaviour of reinforced beam

被引：13

作者：

Li, Zhiqiang ^{[1
,2
]}

Yang, Sen ^{[1
]}

Luo, Yun ^{[3
]}

机构：

[1] Shihezi Univ, Coll Water & Architectural Engn, Shihezi 832003, Peoples R China

[2] Xinjiang Prod & Construct Grp, Engn Lab Seism & Energy Saving Bldg High Earthqua, Shihezi, Peoples R China

[3] Chongqing Univ Sci & Technol, Chongqing, Peoples R China

来源：

JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING | 2020年 / 19卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Dune sand concrete; mechanical properties; crack pattern; failure modes; flexural strength; deflection; CONCRETE BEAMS; RECYCLED AGGREGATE; PERFORMANCE; STRENGTH; MORTAR;

D O I：

10.1080/13467581.2020.1751640

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

An experimental investigation was conducted to explore the flexural behaviour of reinforced beam made with dune sand (DS) from Gurbantunggut desert in northwest China's Xinjiang province. In order to study the influence of DS replacement levels on the engineering properties of dune sand concrete (DSC) beam, the mechanical properties of DSC and the flexural behaviour of DSC beam were examined with the DS replacement levels ranged from 0% to 80%. Based on the test results, the equations for DSC were proposed to describe the effect of DS replacement levels on mechanical properties of DSC. Meanwhile, the crack pattern and failure modes of DSC beams were investigated, the formula to calculate flexural strength of DSC beam was established, and the concrete strain, strains in reinforcement and load-deflection curve of beams were discussed.

引用

页码：480 / 489

页数：10

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