Effect of Basalt Fiber on Impact Resistance of Rubber Concrete

WEI Kun-lun; LI Shuang-xi

doi:10.13204/j.gyjzG22031210

Volume 52 Issue 9

Sep. 2022

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WEI Kun-lun, LI Shuang-xi. Effect of Basalt Fiber on Impact Resistance of Rubber Concrete[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 42-47,128. doi: 10.13204/j.gyjzG22031210

Citation:

WEI Kun-lun, LI Shuang-xi. Effect of Basalt Fiber on Impact Resistance of Rubber Concrete[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 42-47,128. doi: 10.13204/j.gyjzG22031210

WEI Kun-lun, LI Shuang-xi. Effect of Basalt Fiber on Impact Resistance of Rubber Concrete[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 42-47,128. doi: 10.13204/j.gyjzG22031210

Citation:

WEI Kun-lun, LI Shuang-xi. Effect of Basalt Fiber on Impact Resistance of Rubber Concrete[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 42-47,128. doi: 10.13204/j.gyjzG22031210

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Effect of Basalt Fiber on Impact Resistance of Rubber Concrete

doi: 10.13204/j.gyjzG22031210

WEI Kun-lun,
LI Shuang-xi^,

College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052, China

Received Date: 2022-03-12
Available Online: 2023-02-06

Abstract

Abstract

In order to study the effect of basalt fiber (BF) on the impact resistance of acicular rubber concrete, the impact resistance of acicular rubber concrete with different BF content, and lengths was analyzed through drop weight impact test, its microstructure was observed combined with scanning electron microscope (SEM) and the reinforcement mechanism was discussed. Finally, the results of impact resistance test were fitted by Weibull distribution model.The results showed that BF could improve the impact resistance of acicular rubber concrete. When the BF length was 12 mm and the content was 0.1%, the impact energy consumption of acicular rubber concrete was the largest, which was 54%. At this time, compared with ordinary concrete, the impact energy consumption of basalt fiber rubber concrete (BFRC) was increased by 516%; under the action of impact kinetic energy, acicular rubber could absorb deformation, rebound and release part of the consumed kinetic energy. BF dissipated part of the kinetic energy through adhesion and friction with the matrix for fiber drawing deformation and damage. The two materials jointly reduced the damage of impact kinetic energy to the concrete matrix and achieved the purpose of toughening and crack resistance;the impact times of BFRC could be statistically analyzed by two parameter Weibull distribution.
- basalt fiber,
- rubber concrete,
- impact resistance,
- Weibull distribution,
- toughening and crack resistance

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References(29)

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