Experimental study on dynamic mechanical properties of carbon fiber reinforced polymeric concrete

MENG Xin; BAI Erlei; WANG Zhihang; WU Yunquan; YANG Ning

doi:10.11835/j.issn.2096-6717.2021.167

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Experimental study on dynamic mechanical properties of carbon fiber reinforced polymeric concrete

Anti-explosion and Protection of Engineering Structures | 更新时间：2023-06-25

- Experimental study on dynamic mechanical properties of carbon fiber reinforced polymeric concrete
- Journal of Civil and Environmental Engineering Vol. 45, Issue 1, Pages: 54-62(2023)
- 作者机构：
  
  1.空军工程大学航空工程学院，西安 710038
  2.空军广州工程设计室，广州 511458
- 作者简介：
  
  MENG Xin (1997- ), main research interest: concrete material, E-mail: 1605153706@qq.com.
- 基金信息：
- DOI：10.11835/j.issn.2096-6717.2021.167
  CLC： TU528.58
- Received：07 April 2021，
  
  Published：25 February 2023
- 稿件说明：
移动端阅览
MENG Xin, BAI Erlei, WANG Zhihang, et al. Experimental study on dynamic mechanical properties of carbon fiber reinforced polymeric concrete[J]. Journal of Civil and Environmental Engineering, 2023, 45(1): 54-62.
DOI：

MENG Xin, BAI Erlei, WANG Zhihang, et al. Experimental study on dynamic mechanical properties of carbon fiber reinforced polymeric concrete[J]. Journal of Civil and Environmental Engineering, 2023, 45(1): 54-62. DOI： 10.11835/j.issn.2096-6717.2021.167.

摘要

为了更好地研究纤维混凝土的力学性能，通过在聚合物混凝土中加入碳纤维进行改性来研究不同掺量碳纤维增强聚合物混凝土的抗冲击性能。采用分离式霍普金森压杆试验系统开展冲击压缩试验，从应力—应变曲线、强度和变形特性、冲击韧性等方面探究碳纤维掺量对聚合物混凝土抗冲击性能的影响。结果表明：随着碳纤维掺量的增加，聚合物混凝土的抗冲击性能先增强后减弱；当碳纤维掺量为0.2%时，混凝土的动态抗压强度最大，承受高应变率压缩荷载的变形能力最强，即碳纤维的最佳掺量为0.2%。

Abstract

To further elucidate the mechanical properties of fiber-reinforced concrete

carbon fiber was added to modify polymeric concrete

and the impact resistance of polymeric concrete reinforced by various contents of carbon fiber was studied. Impact compression test was carried out using a split Hopkinson pressure bar (SHPB) test system to investigate the influence of carbon fiber content on the impact resistance of polymeric concrete in terms of the stress-strain curve

strength

deformation characteristics and impact toughness. The results show that with continuous increases in carbon fiber content

the impact resistance of the polymeric concrete first increases and then decreases. When carbon fiber content increases to 0.2%

the dynamic compressive strength of the concrete

as well as the deformation capacity under high strain rate compression load

is at the maximum. Consequently

0.2% is the optimal content of carbon fiber.

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references

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