Exponential model for simulating load-displacement curve of anchor rod

YING Zhi-min; ZHANG Jie; SHANG Yue-quan

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Exponential model for simulating load-displacement curve of anchor rod

更新时间：2026-06-25

- Exponential model for simulating load-displacement curve of anchor rod
- Vol. 26, Issue 8, (2005)
- 作者机构：
  
  浙江大学建筑工程学院防灾工程所,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU323
- Online First：26 December 2013，
  
  Published：2005
- 稿件说明：
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YING Zhi-min, ZHANG Jie, SHANG Yue-quan. Exponential model for simulating load-displacement curve of anchor rod[J]. 2005, 26(8).
DOI：

YING Zhi-min, ZHANG Jie, SHANG Yue-quan. Exponential model for simulating load-displacement curve of anchor rod[J]. 2005, 26(8). DOI：

摘要

利用现场抗拔试验测取锚杆荷载与锚杆位移的关系曲线(P-S曲线)，确定锚杆的极限荷载标准值，必须进行破坏性试验。结合锚杆抗拔试验数据，开展锚杆P-S曲线的数学模型研究，探讨了双曲线模型和指数模型模拟锚杆P-S曲线的效果。结果表明，指数模型能较好地模拟锚杆P-S曲线，其对极限承载力的预测也符合实际。

Abstract

Making use of the load and displacement curve of anchor rod (shorted for P-S curve) acquired in the field pull-out tests

we can make sure the ultimate bearing capacity of anchor rod; but we must proceed destructiveness experiment. By developing the mathematical model research of the P-S curve of anchor rod

the hyperbolic model and exponential model that predict the ultimate bearing capacity of anchor rod have been contrasted and analyzed referring to the data of pull-out tests of anchor rod; it is shown that the exponential model is better suited for simulating the P-S curve of anchor rod and predicting ultimate bearing capacity of anchor rod.

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