STUDY ON THE PROPERTIES OF C30 CONCRETE PREPARED BY MULTI-SOLID WASTE COUPLED CEMENT

YANG Zhiqiang; SAIYIN Bateer; SHI Zhaokun; YIN Youhao; GUO Junxiang; WANG Jinhua; FU Jianhua

doi:10.13205/j.hjgc.202303019

Volume 41 Issue 3

Mar. 2023

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2023 > 41(3): 143-147

YANG Zhiqiang, SAIYIN Bateer, SHI Zhaokun, YIN Youhao, GUO Junxiang, WANG Jinhua, FU Jianhua. STUDY ON THE PROPERTIES OF C30 CONCRETE PREPARED BY MULTI-SOLID WASTE COUPLED CEMENT[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(3): 143-147. doi: 10.13205/j.hjgc.202303019

Citation:

YANG Zhiqiang, SAIYIN Bateer, SHI Zhaokun, YIN Youhao, GUO Junxiang, WANG Jinhua, FU Jianhua. STUDY ON THE PROPERTIES OF C30 CONCRETE PREPARED BY MULTI-SOLID WASTE COUPLED CEMENT[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(3): 143-147. doi: 10.13205/j.hjgc.202303019

Citation:

YANG Zhiqiang, SAIYIN Bateer, SHI Zhaokun, YIN Youhao, GUO Junxiang, WANG Jinhua, FU Jianhua. STUDY ON THE PROPERTIES OF C30 CONCRETE PREPARED BY MULTI-SOLID WASTE COUPLED CEMENT[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(3): 143-147. doi: 10.13205/j.hjgc.202303019

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STUDY ON THE PROPERTIES OF C30 CONCRETE PREPARED BY MULTI-SOLID WASTE COUPLED CEMENT

doi: 10.13205/j.hjgc.202303019

1. Shougang Group Research Institute of Technology, Beijing 100043, China;
2. Beijing Key Laboratory of Green Recyclable Process for Iron & steel Production Technology, Beijing 100043, China

Received Date: 2022-03-25
Available Online: 2023-05-26
Publish Date: 2023-03-01

Abstract

Abstract

In order to realize the resource utilization of industrial solid waste, the effect of composite cementitious materials prepared from steel slag, water slag and desulfurized gypsum as the admixtures, on the properties of paste and concrete was studied. The result showed that: The water requirement of normal consistency and setting time of the pure slurry were positively correlated with the amount of composite cementitious material; the compressive strength of the prepared concrete decreased as the amount of cement replaced by the composite cementitious material increased. The 28 d compressive strength of whole concrete blocks prepared with composite cementitious materials was 43.5 MPa, which was 78.3% of the cement control group. The research showed that steel slag powder and desulfurized gypsum could promote the hydration of water slag to form hydration products including calcium vanadium stone and calcium silicate hydrate, which played a good cementation role to make the concrete structure dense and obtain good performance. The partial substitution for cement of composite cementitious material would reduce CO₂ emissions, bring economic and environmental benefits, and have broad market application prospects.
- industrial solid waste,
- composite cementitious material,
- performance test,
- C30 concrete

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References(20)

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