摘要
富阳区新登镇鼍江彩虹堰下游左岸河道应用了绳网式护坡和复合树脂板护坡两种新型生态护坡形式。采用有限元强度参数折减法,分析传统混凝土护坡与两种新型生态护坡形式下的边坡稳定性。计算结果表明:护坡形式对边坡稳定性有一定程度的影响,传统混凝土护坡形式下的边坡安全系数最小,复合树脂板护坡的边坡安全系数居中,绳网式护坡形式下的边坡安全系数最大;复合树脂板与绳网式护坡形式下的护坡结构底面剪应力比传统混凝土护坡下的护坡结构底面剪应力要小,有利于边坡局部稳定。因此,新型生态护坡在保持边坡稳定方面具有优势。
Two new types of ecological slope protection,that is,rope net type and composite resin board type,have been applied in the left bank of the lower reaches of Caihong Weir of Tuo River in Xindeng,Fuyang District.Based on finite element strength parameter reduction method,the slope stability of traditional concrete slope protection and two new types are analyzed.The calculation results show that the slope protecting form has a certain impact on slope stability.The slope safety factor under traditional concrete slope protection form is the smallest,tha tunder composite resin board slope protection is in the middle,and the slope safety factor under the rope net slope protection form is the largest.The shear stress at the bottom of slope protection structure in the types of composite resin board and rope net is smaller than that in traditional concrete slope protection structure,which is conducive to the local stability of slope.It is proved that new ecological slope protection has advantages in slope stability.
作者
匡义
李雁
潘国勇
丁春梅
KUANG Yi;LI Yan;PAN Guoyong;DING Chunmei(Forestry and Water Resources Bureau of Fuyang District,Hangzhou 311400,China;College of Hydraulic and Environmental Engineering,Zhejiang University of Water Resources and Electric Power,Hangzhou 310018,China)
出处
《浙江水利水电学院学报》
2022年第6期32-36,共5页
Journal of Zhejiang University of Water Resources and Electric Power
基金
2020年浙江省重点水利科技项目(RB2022)
富阳区社会发展科技项目(2020SK024)
2022年度浙江省水利厅科技计划项目(RC2228)。
关键词
生态护坡
绳网式护坡
复合树脂板护坡
有限元强度参数折减法
ecological slope protection
rope net slope protection
composite resin board slope protection
finite element strength reduction method
