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Effects of EN-1 Soil Stabilizer on Slope Runoff Hydraulic Characteristics of Pisha Sandstone Stabilized Soil
Authors
张兴昌
苏涛
Publication date
1 January 2011
Publisher
Abstract
为探讨砒砂岩地区工程边坡径流的侵蚀规律,通过室内模拟冲刷试验,对添加EN-1固化剂后不同固化剂掺量、养护龄期和压实度的边坡径流水动力学特征进行了研究。结果表明:在试验设计的固化剂掺量、养护龄期和压实度处理条件下,砒砂岩固化土坡面径流流速随固化剂掺量、养护龄期和压实度的增大而增大,且径流流速随冲刷的进行呈现出波动减小的趋势。径流雷诺数Re随固化剂掺量、养护龄期和压实度的增大而减小,且Re有随冲刷的进行而逐渐增大的波动变化趋势,而弗劳德数Fr的变化趋势正好与Re相反。除压实度在较小处理冲刷后期时径流流态为紊流和缓流外,其他处理都是层流和急流。径流Darcy-Weisbach阻力系数f随固化剂掺量、养护龄期和压实度增大而减小,且f与输沙率有一定的正相关关系
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018