This article describes the situation of blind drain used in the construction of Laoyemiao-Jining Expressway,and the main form of blind drains.
介绍了老集高速公路建设中使用的盲沟情况,描述了老集高速公路盲沟的主要形式。
The paper discussed the blind drain installation,raw materials choosing,construction technology etc.
谈了盲沟的设置、原材料选择、施工工艺及施工时几点注意事项 ,以供借鉴。
For example, blind drains were set under bottom board to statically release the floating force of water; dual infiltration technique was used in self waterproof concrete; waterproof layer was added in roof board; isolation layer was installed between continuous wall and lining wall.
广州地铁二号线海珠广场车站在底板下设置排水盲沟 ,静力释放地下水的浮力 ;混凝土自防水采用双掺技术 ;并在顶板设附加防水层以及在连续墙与衬墙间设置隔离层 ,保证了防水层整体连续密封
To work out variation regularitiesof flow and water depth in blind ditchesduring raining time,hydraulic modelsfor blind drainage system of urban expressway are established for the design and layout of blind drainage system based on researcheson non-saturated permeating of soil and moving regularitiesof flow in crushed stones.
为推求降雨过程中盲沟内流量及水深变化过程,以指导盲沟系统的设计与布置,在研究土壤非饱和下渗和碎石中水流运动规律的基础上,建立了城市快速路盲沟系统水力模型,包括雨水下渗和盲沟汇流两部分。
In order to reduce the hazard of seepage in filled slope of mountainous area two paths of designing are proposed and analyzed herein based on the paper of 《Quantitative Analysis of Hazard of Seepage in Filled Slope of Mountainous Area》:one is to set seepage course with gravels and the other is to use blind ditch for guiding the flow.
为了降低山地填土边坡内的渗水危害 ,本文在《山地填土边坡内渗水危害的量化分析》一文的基础上 ,提出和分析了设置卵砾石渗水层和导流盲沟两条设计途径。
Therefore,the slope protection measures such as drains as well as blind ditches,are put forward to intercept groundwater and surface water according to the features of the slope.
针对该边坡体的特点,采用了支撑盲沟和排水盲沟联合作用并结合坡面防护的处治措施,疏干坡体内地表及地下水,增大抗滑力,达到了提高边坡稳定性,保护生态环境,美化公路的目的。
Research on material performance indexes for plastic blind drains;
塑料盲沟材料性能指标初探
The greening belt drainage design of urban expressways is adopting plastic blind drain,which can remove the infiltration rainwater effectively,keep the road foundation dry and away from the damage of water accumulated.
城市快速路的绿化分割带排水设计采用塑料盲沟排水,可有效地排除绿化带的下渗雨水,使路基保持干燥,不会因积水而产生损坏。
This paper analyzes the mechanism of blind ditch construction in paramos, introduces the construction technology and process of the blind ditch in paramos and methods for preventing these diseases.
分析了高寒地区盲沟施工的机理,介绍了高寒地区盲沟的施工工艺、流程及预防病害的方法。