竖向预应力锚杆挡墙整治滑坡应用技术研究

›› 2005, Vol. 26 ›› Issue (S2): 155-158.

竖向预应力锚杆挡墙整治滑坡应用技术研究

杨广庆¹，杜群乐²，张保俭¹

1. 石家庄铁道学院，土木工程分院，河北石家庄 050043；2. 河北省交通厅公路管理局，河北石家庄 050021

收稿日期:2005-04-29 发布日期:2005-12-16
作者简介:杨广庆，男，1971年生，博士，教授，主要从事岩土工程的教学和研究方面的工作。

Study on techniques of applying vertically prestressed anchor retaining wall to treat landslide

YANG Guang-qing¹, DU Qun-le², ZHANG Bao-jian¹

1. School of Civil Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, China； 2. Bureau of Highway Management, Department of Communications of Hebei Province, Shijiazhuang 050021, China

Received:2005-04-29 Published:2005-12-16

摘要/Abstract

摘要： 结合河北省太行山区阜长公路滑坡整治工程，利用工程物探、地质钻探等综合勘察手段，分析了某小型滑坡的发生发展机理，明确了该滑坡属牵引-外扩式浅层碎石类滑坡。本着经济、技术可行的整治原则，提出了采用竖向预应力锚杆挡墙整治滑坡技术措施。该方法利用锚固于地基中的锚杆对墙体施加的竖向预应力平衡滑坡体的下滑力，以达到减少圬工，降低工程造价的目的。并详细分析了竖向预应力锚杆挡墙的设计思路，介绍了其施工工艺及技术要点。良好的整治效果表明了该方法的有效性，可为同类工程地质灾害整治提供技术支持。

关键词: 竖向预应力锚杆挡墙, 滑坡机理, 工程整治, 设计, 施工

Abstract: The occurrence and the development mechanism of one small landslide in the Fu-Chang road at the Taihang mountain is analysed with the comprehensive exploration methods such as engineering geophysical prospecting and geological prospecting etc.. It is brought forward that the small landslide is a shallow layer crushed stone slide with the type of drawing – enlarging outside. The vertical prestressed anchor retaining wall is applied for correcting the landslide with the economical and feasible correction principle. This method depends on the vertical prestressed force, pressed on the earth wall body which is made by the anchor in the foundation, to balance the sliding force of the slide mass. This method reaches the purpose of decreasing the masonry and the engineering price. The design thinking of the vertical prestressed anchor retaining wall is analyzed in detail; the construction technology and technique essentials is introduced. The efficiency of the method is indicated by its well correction result. This technique can offer reference for the similar geological disaster correction.

Key words: vertical prestressed anchor retaining wall, landslide mechanism, engineering correction, design, construction

中图分类号:

TU 476.+72

杨广庆，杜群乐，张保俭，. 竖向预应力锚杆挡墙整治滑坡应用技术研究[J]. , 2005, 26(S2): 155-158.

YANG Guang-qing , DU Qun-le , ZHANG Bao-jian，. Study on techniques of applying vertically prestressed anchor retaining wall to treat landslide [J]. , 2005, 26(S2): 155-158.

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