Impact pressure of waves generated by landslides on bank slopes

查看全文 作　　者：CAO [1,2]Ting;WANG [1,2]Pingyi;QIU [1,2]Zhenfeng;LIU [1,2]Jie

机构地区：[1]Key Laboratory of Hydraulic and Waterway Engineering of Ministry of Education,Chongqing Jiaotong University,Chongqing 400074,China;[2]Engineering Research Center of Diagnosis Technology and Instruments of Hydro-Construction,Chongqing Jiaotong University,Chongqing 400074,China

出　　处：《Journal of Mountain Science》索引2024年第21卷第3期,共14页

基　　金：funded by Chongqing Municipal Education Commission Project under Grant No.KJQN202000747;the National Key Research and Development Program Project NO.2018YFB1600400;the China Postdoctoral Science Foundation funded project grant No.2019M663890XB;Chongqing Postdoctoral Science Foundation funded project Grant No.228512;Natural Science Foundation of Chongqing No.cstc2019jcyj-msxmX0599. 摘　　要：Impulse waves that are generated by landslides in narrow reservoir areas threaten the stability of buildings and bank slopes.To discuss the action process and evolution law of the wave pressure on bank slopes,a three-dimensional physical model test that considers impulse waves generated by landslides was performed,and factors including landslide width,thickness,slope angles of the sliding surface,and bank slope angle were considered.Based on wave forms on the bank slopes,wave pressure curve characteristics,and peak value,the action process of wave pressure could be divided into the following stages:maximum pulsating pressure stage,wave impact stage(when waves break),and stationary pulsation stage.It was found that wave breaking is dependent on the value of the surf similarity parameterξ.The distribution pattern of impact pressure decays linearly on both sides of the maximum impact pressure point,and the attenuation degree decreases when it attains 40%of the maximum value.Thus,it is proposed that the prediction formula for the maximum effective impact pressure of the bank slope be related to the reciprocal of wave steepness,relative water depth,and slope rate.The prediction formula provides strong theoretical support for early safety warning and for predicting the bank slope under impulse waves generated by landslides. 关键词：Model test Impact pressure Action stage Breaking discrimination Distribution model

相关文献

参考文献（44）
引证文献（1）
耦合文献（10）

参考文献(44)

引证文献(1)

耦合文献(10)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Impact pressure of waves generated by landslides on bank slopes

参考文献(44)

引证文献(1)

耦合文献(10)

用户提示