FRP筋混凝土双向板冲切强度公式评估

张亚坤; 张雪婧; 侯黎黎; 王建伟

doi:10.20040/j.cnki.1000-7709.2024.20231588

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FRP筋混凝土双向板冲切强度公式评估

更新时间：2026-02-25

- FRP筋混凝土双向板冲切强度公式评估
- Issue 2, Pages: 52-56(2024)
- 作者机构：
  
  黄河水利职业技术学院
- 作者简介：
- 基金信息：
- DOI：10.20040/j.cnki.1000-7709.2024.20231588
  CLC： TU375.2
- Published：2024
- 稿件说明：
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张亚坤, 张雪婧, 侯黎黎, et al. FRP筋混凝土双向板冲切强度公式评估[J]. 2024, (2): 52-56.
DOI：

张亚坤, 张雪婧, 侯黎黎, et al. FRP筋混凝土双向板冲切强度公式评估[J]. 2024, (2): 52-56. DOI： 10.20040/j.cnki.1000-7709.2024.20231588.

摘要

为评价现有FRP筋混凝土双向板冲切强度计算公式的精度，采用数理统计的方法对收集到的38组FRP筋混凝土双向板冲切强度试验数据进行评估。结果表明，影响FRP筋混凝土双向板冲切强度的主要因素有混凝土强度、临界冲切截面周长、有效板厚、FRP筋配筋率及其弹性模量、尺寸效应；在所评价的10个计算公式中，规范公式的预测结果大多比较保守，且其精度均低于文献公式；Ospina公式预测结果与试验结果最为接近，且精度最高，预测结果与试验结果比值的均值为1.03

标准差为16.04%

变异系数为15.53%。研究结果为FRP筋混凝土双向板冲切强度计算公式的进一步优化提供了参考。

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references

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