西南交通大学学报Issue(5):787-792,6.DOI:10.3969/j.issn.0258-2724.2014.05.007
软岩高边坡多级框架锚杆设计计算方法
Design Method for Multi-frame Beams with Anchor Bolts Used to Stabilize High Soft-Rock Slope
摘要
Abstract
In order to avoid the disadvantages of the existing design methods for multi-frame beams with anchor bolts used to stabilize high soft-rock slopes,a novel design method was proposed on the basis of interaction mechanism between a structure and a slope. With the proposed method,tensile forces of anchor bolts are determined by analyzing slope stability in terms of design safety factor and failure mode of a slope,and then internal forces of frame beams are calculated from static equilibrium and deformation compatibility conditions between anchor bolts and frame beams and the Winkler foundation model used to interpret interaction between frame beams and a slope. The method was verified by a laboratory model test. The research results show that the distribution mode of slope pressure on every frame beam is a parabola in the direction of the longitudinal axis.关键词
软岩高边坡/多级框架锚杆/Winkler地基模型/设计潜在滑面Key words
high soft-rock slope/multi-frame beam with anchor bolt/Winkler foundation model/designed potential slip surface分类
建筑与水利引用本文复制引用
肖世国,张腾飞,曹兴松,周德培,刘世雄..软岩高边坡多级框架锚杆设计计算方法[J].西南交通大学学报,2014,(5):787-792,6.基金项目
国家自然科学基金资助项目(51278430);四川省交通科技项目(2011D-03-2);新世纪优秀人才支持计划资助项目 ()