Study on Shear Capacity of Reinforced Rib Composite Wall with the Hole

CHEN Yeshun

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Study on Shear Capacity of Reinforced Rib Composite Wall with the Hole

更新时间：2025-09-25

- Study on Shear Capacity of Reinforced Rib Composite Wall with the Hole
- Issue 3, Pages: 343-352(2020)
- 作者机构：
  
  新疆农业大学水利与土木工程学院,新疆,乌鲁木齐,830052
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU398.5
- Published：2020
- 稿件说明：
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陈叶顺,陈国新.带洞口加强肋复合墙体抗剪承载力研究∗[J].防灾减灾工程学报,2020,(3):343-352

CHEN Yeshun. Study on Shear Capacity of Reinforced Rib Composite Wall with the Hole[J]. 2020, (3): 343-352.
陈叶顺,陈国新.带洞口加强肋复合墙体抗剪承载力研究∗[J].防灾减灾工程学报,2020,(3):343-352 DOI：

CHEN Yeshun. Study on Shear Capacity of Reinforced Rib Composite Wall with the Hole[J]. 2020, (3): 343-352. DOI：

摘要

对2榀1/2比例带洞口（开门洞、开窗洞）加强肋复合墙体进行低周反复荷载作用下的伪静力试验，分析带洞口墙体的受力性能；在试验研究的基础上，针对洞口大小等影响加强肋复合墙体抗剪承载力的主要因素，建立墙体的非线性有限元模型进行分析；结合配筋砌体结构、框架结构、密肋复合墙体结构等相关试验资料，分析带洞口加强肋复合墙体的抗剪机理，提出带洞口加强肋复合墙体抗剪承载力计算公式，并给出公式的适用条件。试验结果表明带门洞墙体和带窗洞墙体均有着良好的抗倒塌能力和变形能力；数值模拟结果表明带门洞墙体的抗剪承载力随门洞的增大呈线性递减关系，带窗洞墙体的抗剪承载力随窗洞的增大呈二次函数递减关系；当带窗洞墙体洞口率高于17.1%时，应在窗洞两侧设置加强肋柱，以弥补洞口引起的抗剪承载力削弱；计算结果与试验结果对比表明，公式有较好的计算精度，满足工程设计需要。

Abstract

In this study

the pseudo static test is conducted on two reinforced rib composite walls with hole (opening door hole and opening window hole) under low cycle repeated load

whose scales are 1∶2 entirely. The mechanical properties of the walls with the hole are analyzed. On the basis of the test research

in view of the main factors affecting the shear capacity of reinforced rib composite walls such as the size of the portal

the nonlinear finite element model of the wall is established for analysis. Combined with the reinforced masonry structure

the frame structure

the multi ribbed composite wall structure and other related experimental data

the shear mechanism of the reinforced rib composite wall with the hole is analyzed. Meanwhile

the calculation formula of the shear bearing capacity of the reinforced rib composite wall with the hole is proposed

and the applicable conditions of the formula are given. The test results show that the walls with the door hole and the window hole have good anticollapse ability and deformation capacity. The numerical simulation results show that the shear capacity of the wall with a door hole decreases linearly with the increase of the door opening

while the relationship between shear capacity of the wall with a window hole and the increase of the window hole follows a quadratic decreasing function. When the opening rate of the wall with a window is higher than 17.1%

reinforcement rib columns should be installed on both sides of the window to compensate for the weakening effect of the shear capacity caused by the hole. The comparison between the calculated and experimental results shows that the calculation precision of the proposed formula is high and the formula can meet the needs of engineering design.

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references

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