Chang-Ling Liu,Yi-En Yang,Ju-Pu His,et al.Side Slope Failure due to Storm and Its Protection[J].Research of Soil and Water Conservation,1999,6(03):24-36.
暴雨冲击下之坡地破坏及保护
- Title:
- Side Slope Failure due to Storm and Its Protection
- Keywords:
- storm; side slope; experiment; failure
- 摘要:
- 以试验方法，探讨暴雨作用下于不同坡度时，对坡地破坏及保护方式之研究。保护方式分为4类：地下排水、浅层排水、干砌卵石及浆砌卵石。试验中观测地下水之变化，量测流失之土方、排水量，以及最后破坏之断面，并进行边坡稳定分析。试验结果指出：（1）压实度较小、渗透性较佳之土壤，因地下水渗透，在坡脚产生瞬间坍方。（2）压实度较大、渗透性较差之土壤，将产生地表径流冲蚀，若无排水或坡地保护措施，将发展成严重的径流冲蚀，造成坍方。
- Abstract:
- The main purposes for experimentalstudies are aboutthe failure processes and types of slopes under the attack of heavy storm.The effects of protections by underground drainage, shallow depth drainage,mortarless cobble protection and mortar cobble protection to the slope stability are discussed.The variation or groundwater table,soil loss volume,drainage quantity and the lastfailure section are measured.Atthe same time,the stability of slopes by computer in order to obtain the smallest factor of safety is analyzed.The numerical calculation would support to the experimental results,which can notgive the factor of safety in details.The test results show that:(1) For low degree of compaction and moderate permeability of soil,suddenly landslides will occurattoe of slope due to the seepage of groundwater.(2) For high degree of compaction and low permeability of soil,erosion by surface runoff will occur.Landslide,resulted from severe erosion of surface runoff will occur in the case of without drainage or with-out slope surface protection.
参考文献/References:
1 Brian Finlayson&Ian Statham, Hillslope Analysis
2 Christian Veder.Landslides and Their Stabilization.1981
3 Joseph E., Bowles.Analytical and Computer Methods in Foundation Engineering.1974
4 T.Winiam Lamb & Robert V.Whitman, Soil Mechanics
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备注/Memo
收稿日期:1999-6-1;改回日期:。作者简介:Chang-Ling Liu：Professor of Hydraulics and Ocean Engineering Chang Kung University，Tainan，Taiwan. Yi-En Yang：Nan Zeon Junior College of Technology，Yen Shui，Tainan.Taiwan.Ju-Pu Hsi：University of Sydney，Australia.Chin-Kun Huang：Assistant Professor of Hydraulics and Ocean Engineering Chang Kung Uinversity，Tainan，Taiwan