排水层 meaning in English
displacement layer
drainage blanket
drainage layer
Examples
- Standard test method for water capture and media retention of geocomposite drain layers for green roof systems
新暴露顶板系统用土工合成排水层吸水和介质保持的标准试验方法 - The conclusion is that the extrusion presses between primary and secondary linings , elasticity of the waterproof layer and unblocked drainage layer are the vital factors influencing the waterproof layer of spraying - on acrylate membrane in tunnel composite linings
试验结果表明，衬砌间的挤压应力、防水层的弹性恢复能力、通畅的排水层对丙烯酸盐喷膜防水层在隧道复合式衬砌中的防水效能发挥重要作用。 - Finally , this paper brings forward the mix integrated design method of asphalt treated permeable material incorporating the results of structure analyses and tests . and the rational proposal and requirement for pavement subsurface drainage system of test road is suggested
结合结构分析与室内试验分析的结果，提出了沥青稳定碎石排水层混合料的综合设计方法，并实际运用于试验路的结构设计和排水系统设计。 - Then , using statistical method , performance indexes are compared , and the prior layer setting is obtained . through elaborate indoor tests , the drainage performance , mechanics performance and durability of asphalt treated permeable material are researched . by statistical analyses of vast test data , the balance range of air voids is obtained , via performance tests in different saturation conditions , the durability of the material is gained
对沥青稳定碎石排水层混合料的材料组成进行了精心的室内试验设计，依据室内试验结果，对沥青稳定碎石排水层混合料的透水性能、力学性能和耐久性能进行了各种因素的影响分析，经数理统计分析获得了有关性能指标之间的经验关系，找到了透水性能和力学性能之间的平衡点。 - It is commonly recognized that subsurface drainage system can improve pavement performance and extend service life . as an essential part of subsurface drainage system , the layer setting and characteristics of asphalt treated permeable material directly affect the performance of subsurface drainage system , which is lucubrated in this paper . based on the typical semi - rigid pavement without permeable layer , using multilayer elastic system program , rational pavement structure with permeable layer at different locations is first analyzed
本文以高等级公路沥青路面的典型结构形式作为未设排水层的路面结构原型，通过不同的设置层位分析对排水层的回弹模量和厚度的要求，探讨设置排水层的路面结构的一些结构参数适宜的取值范围，并在此基础上运用灰色系统关联分析方法，对不同设置层位的路面结构的技术指标进行比较分析，得出较优的层位设置方案。