膨胀土滑坡的治理方案稿研究.docVIP

科类 工学 编号（学号） 本科生毕业设计 某膨胀土边坡加固方案设计 A Expansive Soil Slope Reinforcement Design 虎加标 指导教师： 杨松 讲师 云南农业大学 昆明 黑龙潭 650201 学 院： 水利水电与建筑学院 专 业： 水利水电工程 年级： 2008级 论文（设计）提交日期： 2012年4月 答辩日期： 2012年5月 云南农业大学 2012年4月 某膨胀土边坡加固方案设计 虎加标 云南农业大学水利水电与建筑学院 昆明 650201 摘 要 掌握膨胀土的工程特性和边坡失稳特性，根据相关规律和工程实际经验，采用抗滑桩治理滑坡，并对其抗滑桩进行设计，最后对其治理效果进行评价；采用GEO-SLOPE进行数值模拟分析，判断边坡的稳定性是否满足要求，然后提出用抗滑桩治理滑坡的方案，最后按照有关规范进行设计工作；根据相关工程背景，结合有关勘测资料，采用GEO-SLOPE对膨胀土边坡的稳定性进行数值模拟分析，得其边坡安全系数K=1.0471.3，不满足稳定要求；采用抗滑桩结合设置排水措施进行治理，使其满足稳定要求；结合工程实际，按照规范对其抗滑桩进行设计，结果进行人工挖孔灌注桩加固处理后，边坡稳定性大大提高，安全系数为，运用GEOSLOPE商业软件对治理前后的边坡进行稳定性分析可以看出，抗滑桩的设置大大限制了滑动面的范围，对减小可能的滑坡规模和提高边坡的整体稳定性效果十分明显 A Expansive Soil Slope Reinforcement Design Hu Jiabiao Yunnan Agriculture University，Water conservancy and hydropower and architectural Kuming 650201 ABSTRACT Master of expansive soil slope engineering characteristics and instability characteristics, according to relevant laws and the engineering practice experience, the landslide control anti-slide pile, and the anti-slide pile design, finally, the treatment effect evaluation;The GEO-SLOPE in numerical simulation, the stability of the SLOPE whether meet the requirements, and then put forward the anti-slide pile of landslide control scheme, then according to relevant regulations, carry out the design work;According to relevant engineering background, with the related survey materials, the GEO-SLOPE of expansive soil SLOPE stability of numerical simulation, the SLOPE safety coefficient K = 1.047 1.3, do not meet the requirements; stability Combined with the anti-slide pile set drainage measures to control that meets stability requirement; Combined with the engineering practice, according to the code of the anti-slide pile design, the artificial dig-hole pile reinforcement, greatly improve the slope stability, safety coefficient was 1.304, and meet th