| 框架预应力锚杆支护结构中锚杆长度的研究 |
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| 引用本文： | 周勇,朱彦鸱.框架预应力锚杆支护结构中锚杆长度的研究[J].地下空间与工程学报,2008,4(3). |
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| 作者姓名： | 周勇 朱彦鸱 |
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| 作者单位： | 兰州理工大学土木工程学院,兰州,730050 |
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| 摘 要： | 框架预应力锚杆支护结构是一种新型的深基坑柔性支护技术.文章阐述了其基本构成和特点,研究了锚杆长度的计算.结合工程实践,基于内部整体稳定性安全系数最小的原则分析了基坑坡角、锚杆锚固体直径、锚杆水平倾角以及锚杆间距等设计参数对锚杆长度和内部整体稳定性安全系数的影响,并给出了所有参数的取值范围,为框架预应力锚杆支护结构的发展应用提供了实践经验.
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| 关 键 词： | 预应力锚杆 支护结构 锚杆长度 安全系数 框架 预应力锚杆 支护结构 锚杆长度 研究 Prestressed Supporting Structure Frame Length Anchor 工程实践 发展应用 取值范围 设计参数 影响 锚杆间距 倾角 水平 直径 锚固体 |
Study on the Anchor Length of Frame Supporting Structure with Prestressed Anchors |
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| ZHOU Yong,ZHU Yan-peng.Study on the Anchor Length of Frame Supporting Structure with Prestressed Anchors[J].Chinese Journal of Underground Space and Engineering,2008,4(3). |
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| Authors: | ZHOU Yong ZHU Yan-peng |
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| Affiliation: | ZHOU Yong ZHU Yan-peng (College of Civil Engineering,Lanzhou University of Technology,Lanzhou 730050,China) |
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| Abstract: | A new flexible supporting method for deep excavation,namely the frame supporting structure with prestressed anchors,has been developed.The basic composition and main characteristics of this supporting structure are studied,and the length calculation of prestressed anchor is analyzed.Combining the engineering example,the in- fluences of the design parameters,including excavation angle,anchor body diameter,horizontal inclination angle of anchor and spacing between anchors on the anchor length and internal ove... |
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| Keywords: | prestressed anchor supporting structure anchor length safety factor |
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