Academic Journal of Architecture and Geotechnical Engineering, 2023, 5(1); doi: 10.25236/AJAGE.2023.050110.
Bu Changming1,2, Zhu Dongxu1,2, Liu Lei1,2, Lu Xinyu1,2, Sun Yi1,2, Tan Baolin1,2, Wang Faxiang3
1School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing, 401331, China
2Chongqing Key Laboratory of Energy Engineering Mechanics & Disaster Prevention and Mitigation, Chongqing, 401331, China
3Chongqing Chengwei Light Quality Wall Board Co. Ltd, Chongqing, China
In order to solve the problem of black pollution in the 21st century, a new type of rubber ceramsite concrete was prepared by crushing the waste rubber tire into granules and adding it into the ceramsite concrete. The basalt fiber was used to modify the rubber for reducing the weakening of the concrete mechanical property caused by the addition of rubber. In this paper, the compressive strength of concrete specimens at 3 and 28 days was measured to discuss the modification effect of single fiber. The results show that the compressive strength of concrete can be improved by adding basalt fiber, and it increases with the increase of adding content. With the increase of rubber replacement rate, the strength of concrete increases first and then decreases, which proves that adding proper amount of rubber can reduce the reduction of concrete strength. The length of basalt fiber also affects the compressive strength of specimens. Basalt fibers of 12 mm length work better than fibers of 9 and 18 mm.
rubber ceramsite concrete, compressive strength, basalt fiber
Bu Changming, Zhu Dongxu, Liu Lei, Lu Xinyu, Sun Yi, Tan Baolin, Wang Faxiang. Test of compressive strength of rubber ceramsite concrete modified by basalt fiber. Academic Journal of Architecture and Geotechnical Engineering (2023) Vol. 5, Issue 1: 55-60. https://doi.org/10.25236/AJAGE.2023.050110.
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