植被混凝土生态防护技术中锚钉参数的确定  

Determination of anchor parameters in vegetation-growing concrete ecological protection technology

作　　者：陈毅[1] 刘大翔[2] 姚小月 许文年[2] 

机构地区：[1]三峡大学水利与环境学院,湖北宜昌443002 [2]三峡大学土木与建筑学院,湖北宜昌443002

出　　处：《人民长江》2015年第21期23-26,共4页Yangtze River

基　　金：国家自然科学基金资助(51278281);湖北省教育厅优秀中青年科技创新团队计划项目(T201304);三峡大学博士科研启动基金(KJ2014B038)

摘　　要：岩石边坡生态恢复工程常采用植被混凝土防护技术。为了分析该技术中锚钉的受力情况,通过静力平衡条件,结合莫尔-库伦强度理论、锚钉的受力形变以及抗拔稳定性,推导出了锚钉在不同坡度、不同岩质边坡的最佳锚固间距、锚钉直径范围以及最小锚固深度的表达式。并结合工程实例,对计算值与实际工程采用值进行了对比分析,结果表明,计算值与以往实际工程采用值基本吻合。可为实际工程中锚钉支护方案的设计提供理论支持。The vegetation - growing concrete ecological protection technology is commonly used in the ecological restoration of rocky slope. To analyze the stress of the anchor, through the static equilibrium conditions, the expressions of the optimal anchor spacing under different slopes and rocks, range of anchor pin diameter and the minimum anchorage depth are deduced according to the Mohr - Coulomb criteria, the deformation of the anchor and pulling - resistant stability. The calculated value was compared with the value adopted in actual projects and the comparative analysis showed that the two are consistent with each other.

关 键 词：岩质边坡 锚钉直径 锚固间距 锚固深度 植被混凝土 

分 类 号：TU457[建筑科学—岩土工程]