Analysis of Deformation Characteristic and Supporting Mechanism of a New-typed Yielding Anchor Bolt

连传杰; 徐卫亚; 王志华

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Analysis of Deformation Characteristic and Supporting Mechanism of a New-typed Yielding Anchor Bolt

更新时间：2025-12-11

- Analysis of Deformation Characteristic and Supporting Mechanism of a New-typed Yielding Anchor Bolt
- Issue 2, Pages: 242-247(2008)
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  CLC： D353.6
- Published：2008
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[1]连传杰,徐卫亚,王志华.一种新型让压管锚杆的变形特性及其支护作用机理分析[J].防灾减灾工程学报,2008(02):242-247.

连传杰, 徐卫亚, 王志华. Analysis of Deformation Characteristic and Supporting Mechanism of a New-typed Yielding Anchor Bolt[J]. 2008, (2): 242-247.
[1]连传杰,徐卫亚,王志华.一种新型让压管锚杆的变形特性及其支护作用机理分析[J].防灾减灾工程学报,2008(02):242-247. DOI：

连传杰, 徐卫亚, 王志华. Analysis of Deformation Characteristic and Supporting Mechanism of a New-typed Yielding Anchor Bolt[J]. 2008, (2): 242-247. DOI：

摘要

介绍了一种应用于深埋软岩巷道支护的新型让压锚杆的主要结构特点

通过拉拔试验分析了这种具有特殊让压结构锚杆的变形特性

给出了其应力应变关系曲线。基于巷道开挖引起的围岩应力变化以及锚固力与围岩变形的关系

分析了让压锚杆与围岩共同作用的协调性

深入探讨了让压锚杆的支护作用机理。最后

依据组合拱理论

给出了让压距离与支护强度间的关系

可为该新型锚杆的实际工程应用提供参考。

Abstract

The structural characteristics of a new-typed yielding anchor bolt used for supporting roadway in soft rock are introduced in this paper. Some dragging tests are carried out to analyze deformation performance of the yielding anchor stock with special structure. Based on variations of surrounding rock stresses resulted by the excavation of roadway and the relations of anchoring force and deformation of surrounding rock

the coordinated common action between yielding anchor stock and surrounding rock

the supporting mechanisms of the yielding anchor stock are discussed. Eventually

the relationship of yielding distance and supporting strength is given in terms of combined arch theory.

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references

一种适用于大变形支护的新型可伸长锚杆 [J]. 李铀,朱维申,白世伟,彭意. 中南公路工程 . 2007(02)

让压支护技术在高压力、高变形巷道的应用 [J]. 程家洋. 煤炭工程 . 2004(05)

锚杆支护与围岩共同承载的协调性 [J]. 汤雷,王五平. 煤炭学报 . 2004(01)

杆体可回收锚杆锚固性能分析 [J]. 张永吉,田瑞云,段克信,张传军. 辽宁工程技术大学学报(自然科学版) . 1999(02)

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