Proportioning Design of Foamed Concrete Mixed with Recycled Micro-powder of Construction Waste
Journal: Architecture Engineering and Science DOI: 10.32629/aes.v2i3.376
Abstract
This paper presents a new kind of foamed concrete mixed with recycled micro-powder of construction waste which is helpful for saving resources, protecting the environment and achieving a sustainable development. An orthogonal experiment was designed to test the compressive strength of foamed concrete relatng to different factors, and the degree of influence were studied according to test result and range analysis of the factors. Using the efficacy coefficient method, the best mixture ratio was derived when both requirements of a quite light weight and a high strength were satisfied. XRD and SEM tests showed that the increase in compressive strength was due to the refinement of pores within the foamed concrete by the addition of recycled micronized powder.
Keywords
construction waste recycled micronized powder, orthogonal test, foam concrete, efficacy coefficient method, SEM test
Funding
The Science and Technology Research Project of Jiangxi Provincial Education Department(GJJ205301) and Nanchang University of Aeronautics and Astronautics Postgraduate Innovation Special Fund(YC2020-095)
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[3] Zhang Xiao-Ming, Huang Peizeng, Cui Qingyi. Research on the performance of construction waste recycled micronized foam concrete [J]. Concrete and Cement Products, 2020(05): 96-98.
[4] Shi Shiqin. Research on the thermal insulation performance of steel slag foam concrete [D]. Anhui University of Technology, 2016.
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[6] Yang Fanxuan, Shi Minghui, Niu Yangyang, Wang Yao, Jiang Junyi, Zhang Jiaxuan, Yin Guangsheng. Research on foam concrete proportion based on orthogonal test [C]. Proceedings of the 28th National Academic Conference on Structural Engineering (Volume III). 2019.
[7] Yu Junyan. Research on the foam lightweight soil roadbed for Binlai Expressway reconstruction and expansion [D]. Shandong University, 2018.
[8] Gao Yunyan. Orthogonal and regression test design methods [M]. Beijing: Metallurgical Industry Press, 1988.
Copyright © 2021 Hongyang Xie, Jianjun Dong, Yong Deng, Yiwen Dai, Mingwei Deng
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