1) drainage layer
排水层
1.
As landfill site working,biochemical process and seepage of leachate always affect and change drainage layer permeability.
垃圾填埋场运行过程中,渗滤液的渗流和生物化学作用,不断影响和改变着排水层的渗透性能。
2.
Using column tests,water quality character of leachate and permeability coefficient variation law when leachate passing through the drainage layer in landfill sites were studied,and genetic mechanism of mineral precipitation and its influence on permeability of drainage layer were analyzed.
利用土柱试验,研究了渗沥液渗流经过填埋场排水层的水质特征和渗透系数变化规律,分析了矿物质沉淀的生成机制及其对填埋场排水层渗透性的影响。
3.
By means of laboratory experiments,using eight kinds of granulometric composition sands and gravels as material of drainage layer, the effects of leachate water quality and its variation regulation on permeability behavior of drainage layer in waste sanitary landfill were discussed.
以室内模拟实验为技术手段,选用8种粒度成份的砂砾为排水层材料,研究了填埋场渗滤液水质及其变化规律对排水层渗透能力的影响,建立了反映排水层渗透性(k)与渗滤液水质(CODr)、排水层结构(avρgl。
2) layered drainage
层状排水
1.
Experimental research and application of new layered drainage porous concrete on the Tianwan Nuclear Power Plant;
新型层状排水多孔混凝土在田湾核电站中的试验研究与应用
3) drainage base
排水基层
1.
Study on the mixture design of bituminous stabilized macadam drainage base;
沥青稳定碎石排水基层混合料设计研究
2.
Combining with the actual condition of xiao-kang expressway, this paper proposed that the cement treated gravel can be uses as drainage base in highway tunnel, by which can prevent the highway tunnel from the corrosive damage by groundwater.
为防止地下水对公路隧道路面的侵蚀破坏,结合小康高速公路隧道的实际情况,设计采用水泥处治碎石排水基层。
3.
The two kinds of inner drainage systems of pavement structure are put forward,and the construction method of porous concrete drainage base is presented in accordence with test road Besides, its strength and porosity and so on after construction are also detected and its drainage performance is checked in this pape
提出了 2种形式的路面结构内部排水系统 ,通过试验路施工总结出大孔隙混凝土排水基层的施工工艺。
4) seeping layer
排水夹层
1.
It is suggested in this paper to substitute the curtain of drainage holes by a seeping layer the coefficient of permeability of which is so chosen that the draining effects of them are equal to each other.
笔者提出夹层代孔列法,以等效排水夹层代替排水孔列,适当选择夹层的渗透系数,使排水夹层与排水孔列的排水效果总体上相等,采用本方法利用通常的三维有限元网格就可以分析含排水孔列的全坝三维渗流场,计算方便,效果良好。
5) drainage on the same floor
同层排水
1.
The paper briefly introduces the classification,features and the relative design and construction problems of the drainage on the same floor;and mainly advocates the wall concealed drainage mode,and puts forward ideas and suggestions to solve the problems in the practical project.
文章简要论述了同层排水的分类、特点及相关设计施工方面的问题,重点推介了墙体隐蔽式同层排水方式,并针对工程实际应用中的问题,提出解决问题的思路及建议。
6) permeable base
排水基层
1.
It is recommended that a permeable base should be given first consideration in the design of new habilitation and rehabilitation projects.
分析了沥青路面水损破坏产生的原因、机理,并针对路面下渗水的不同途径提出了相应的处理措施,通过比较分析推荐新建路面和改建路面应优先采用设置排水基层的路面结构。
2.
Asphalt treated permeable base(ATPB) can improve the pavement performance and extend service life.
沥青稳定碎石排水基层可以显著减少沥青路面早期水损害,通过工程实践应用,提出设置排水基层的典型路面结构型式和排水基层材料配合比设计方法,对沥青稳定碎石排水基层的施工关键技术进行研究,并通过现场试验评价,说明沥青稳定碎石排水基层排水效果良好,显著减少沥青路面早期水损害发生的可能性。
3.
Constructing ATPB-25 permeable base successfully,it indicate design of ATPB is technically feasible.
简述了长期滞留在基层顶面的渗入雨水会导致路面产生各种病害,提出了设置开级配沥青碎石排水基层一种积极主动的防排水设计措施,确定了工程所要求的渗透系数和有效空隙率。
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