Triaxial Compression Performance Research of Steel Slag Concrete on the Unified Strength Theory

被引：4
|
作者：
Deng, Zhiheng [1 ,2 ]
Zhou, Jingkai [1 ,2 ]
Chen, Beiquan [3 ]
Wen, Xiaoyan [1 ,2 ]
Liu, Bing [1 ,2 ]
机构：
[1] Guangxi Univ, Coll Civil Engn & Architecture, Nanning 530004, Peoples R China
[2] Minist Educ, Key Lab Disaster Prevent & Struct Safety, Nanning 530004, Peoples R China
[3] Guangzhou Design Inst, Guangzhou 510620, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2021年 / 11卷 / 01期
基金：
中国国家自然科学基金;
关键词：
steel slag concrete; triaxial strengths; mechanical properties; stress ratio; RECYCLED AGGREGATE CONCRETE; MECHANICAL-BEHAVIOR; CONSTITUTIVE MODEL; FAILURE CRITERION; FINE AGGREGATE; FLY-ASH; DURABILITY; STRESS;
D O I：
10.3390/app11010128
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
To better explore the mechanical properties of steel slag concrete (SSC) under triaxial compression, true triaxial tests were performed on SSC with three replacement ratios (30%, 70%, 100%) by a servo-controlled setup (TAWZ-5000/3000). Through the test, failure modes, peak stress, and corresponding strain of SSC are obtained. Results show that the failure modes of SSC are plate-splitting and slant-shear. Compared with the corresponding uniaxial strength, the triaxial compressive strength of SSC is significantly improved and is influenced by the stress ratio and the replacement ratio. Finally, based on unified strength theory, the strength failure criterion formula of SSC with different replacement rates under triaxial compression is given.
引用
收藏
页码：1 / 13
页数：12
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