[1]宋林涧,赵军.钢筋混凝土剪力墙在竖向荷载作用下的稳定性分析[J].郑州大学学报(工学版),2020,41(02):80-85.[doi:10.13705/j.issn.1671-6833.2020.03.007]
　Song Linjian,Zhao Jun.The Stability Analysis of Reinforced Concrete Shear Wall under Axial Compression[J].Journal of Zhengzhou University (Engineering Science),2020,41(02):80-85.[doi:10.13705/j.issn.1671-6833.2020.03.007]
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钢筋混凝土剪力墙在竖向荷载作用下的稳定性分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
41
期数:
2020年02期
页码:
80-85
栏目:
出版日期:
2020-05-31

文章信息/Info

Title:
The Stability Analysis of Reinforced Concrete Shear Wall under Axial Compression
作者:
宋林涧; 赵军
郑州大学力学与安全工程学院
Author(s):
Song Linjian; Zhao Jun
School of Mechanics and Safety Engineering, Zhengzhou University
关键词:
钢筋混凝土; 剪力墙; 稳定性; 正交各向异性; 位能驻值原理
Keywords:
RC' target="_blank" rel="external">"> RC; shear wall; stability; Orthotropic; The principle of potential energy standing value
DOI:
10.13705/j.issn.1671-6833.2020.03.007
文献标志码:
A
摘要:
钢筋混凝土剪力墙在竖向荷载的作用下可能会发生因稳定性不足所引起的屈曲破坏，使剪力墙不能有效发挥其优异的承载能力和抗震性能。根据钢筋混凝土剪力墙在实际工程结构中的受力特点，对其边界条件进行分析和合理简化，建立了对边简支对边自由的正交各向异性板理论分析模型，采用位能驻值原理，推导出了竖向荷载下剪力墙发生平面外失稳破坏时对应的临界应力表达式。根据所得临界应力计算公式，研究了剪力墙的高度和厚度、纵向钢筋直径和间距等因素对钢筋混凝土剪力墙临界应力的影响规律，并进一步探讨了改善竖向荷载下钢筋混凝土剪力墙稳定性的有效方法。
Abstract:
Under the action of vertical load, the reinforced concrete shear wall may buckling failure caused by insufficient stability, so that the shear wall cannot effectively exert its excellent bearing capacity and seismic performance. According to the mechanical characteristics of reinforced concrete shear walls in actual engineering structures, the boundary conditions were analyzed and simplified reasonably, and the theoretical analysis model of orthotropic plates with simply supported opposite sides and free opposite sides was established. Based on the value principle, the critical stress expression corresponding to the out-of-plane instability failure of the shear wall under vertical load is deduced. According to the calculation formula of the critical stress obtained, the influence of factors such as the height and thickness of the shear wall, the diameter and spacing of the longitudinal reinforcement on the critical stress of the reinforced concrete shear wall are studied, and the improvement of the reinforced concrete shear wall under the vertical load is further discussed. effective method for stability.

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更新日期/Last Update: 2020-05-30