STUDY ON STATIC AND DYNAMIC IMPACT PROPERTIES OF STEEL-FIBER REINFORCED RUBBER CONCRETE

ZHAO Xiumin; YANG Haifeng; LI Xueliang; YANG Peng; LI Bingsu

doi:10.13204/j.gyjzG20070301

Volume 51 Issue 8

Nov. 2021

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Citation:

ZHAO Xiumin, YANG Haifeng, LI Xueliang, YANG Peng, LI Bingsu. STUDY ON STATIC AND DYNAMIC IMPACT PROPERTIES OF STEEL-FIBER REINFORCED RUBBER CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(8): 173-178. doi: 10.13204/j.gyjzG20070301

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STUDY ON STATIC AND DYNAMIC IMPACT PROPERTIES OF STEEL-FIBER REINFORCED RUBBER CONCRETE

doi: 10.13204/j.gyjzG20070301

1. Earthquake Agency of Guangxi Zhuang Autonomous Region, Nanning 530022, China;
2. Key Laboratory of Disaster Prevention and Engineering Safety of Guangxi University, Nanning 530004, China;
3. China Tobacco Corporation Guangxi Corporation, Nanning 530022, China

Received Date: 2020-07-03
Available Online: 2021-11-10
Publish Date: 2021-11-10

Abstract

Abstract

In order to study the static and dynamic impact properties of concrete with different contents of steel fibers and rubber powder, 8 groups of 48 cubic specimens were designed for compressive and splitting tensile strength tests, 8 groups of 24 cubic specimens were designed for compressive stress-strain curve test, 6 slabs were designed for impact test,whose content of steel fibers was 0%, 0.5%, 1.0% and 1.5%, and rubber powder was 0%, 5%, 10% and 15%. The results showed that the compressive strength of concrete decreased with the increase of rubber powder content. When the rubber powder content was costant, the steel fiber content of 0.5% had little effect on the compressive strength and impact toughness of rubber concrete, but it could improve the tensile strength of rubber concrete by 7% to 28%. When the content of steel fiber rubber powder was 1% and the content of rubber powder was 10%, it was the optimal mixing amount of steel-fiber reinforced rubber concrete. The suggested constitutive relation of steel-fiber reinforced rubber concrete was in good agreement with the experimental data.
- steel fiber,
- rubber,
- concrete,
- mechanical properties,
- impact

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References(11)

References

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