OALib Journal期刊
厚层基材植物防护在红色粉砂岩边坡的应用
, PP. 152-158
Keywords: 环境工程 ,植物护坡 ,试验研究 ,粉砂岩边坡 ,厚层基材
Abstract:
为岩质边坡应用植物防护提供理论依据和应用经验,结合湖北荆宜高速公路红色粉砂岩路堑边坡采用厚层基材植物防护的科研实例,采用Mont-Carlo随机模拟、室内外试验等方法,在对红色粉砂岩岩性、稳定性进行分析的基础上,研究了红色粉砂岩边坡采用厚层基材植物护坡的可行性、厚层基材植物护坡的动态机制、护坡植物选择和基材层的设计。结果表明正常工况下红色粉砂岩边坡较稳定,但在降雨条件下冲蚀严重,稳定性降低|研究区雨水充分,岩体内部微裂隙发育,导水性强,能够提供植物生长的养分和水分,为厚层基材植物护坡提供了良好的环境;护坡过程的第3阶段为植物护坡正常、理想的工作阶段,厚层基材植物护坡能达到功能、环境和视觉的统一效应,植物的选择及基材的设计是关键;实践证明,在红色粉砂岩边坡应用厚层基材植物防护是可行的,可以大规模推广。
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