Closure cover system is one of important parts of landfill site construction, it includes landfill gas discharge guiding layer, geotechnical film, drainage layer and plant cover surface soil layer.
封场覆盖系统是垃圾卫生填埋场建设的重要组成部分，覆盖系统包括气体导排层、土工膜、排水层、植被表土层。
It is difficult to control the hole and the slope during frozen drill in profundity surface soil, this text bring forward some experience of management and construction.
针对深厚表土层中冻结钻孔存在的钻孔深、偏斜率难控制等施工存在的问题，提出了一些施工与管理的经验。
During normal construction process, the friction force between shield and soil exhibited greater influence on surface deformation compared with bulkhead additive thrust.
在正常施工时，盾壳与土体之间的摩擦力对地面变形的影响远大于正面附加推力。
Considering the features of the construction of this line specific requirements are specified in the filling such as filling with fine earth, coarse mountain surface soil and graded crushed stones.
结合秦沈线施工特点，具体指出路基采用细粒土、粗粒山皮土和级配碎石几种具有代表性填料进行填筑的技术要求。
For three kinds of different soil layer construction, the characters of the platform values and the characteristic periods of ground surface acceleration response spectra were studied.
系统地研究了软夹层在底部、中部和顶部的三种土层结构的反应谱平台值和特征周期的主要特征。
The working principle and the influences of construction parameters of the soil opener on the length and the width of soil hole formed by spade on the soil surface were analyzed.
进而分析了成穴器结构参数对打穴铲在土壤上所形成穴孔长度和穴孔宽度的影响。
The most pivotal technical problem of building high-speed railway on soft soil is strictly controlling post-construction settlement of subgrade and its elastic deformation of top surface.
在软土地基上修建高速铁路，其最关键的技术问题就是严格控制路基的工后沉降及列车高速运行时路基顶面的弹性变形。
Earth pressure balance (EPB) shield construction often has soil-compacting effects on its surrounding soil. It results in the surface upheaval and moving away of deep soil from the tunnels.
土压平衡盾构施工通常会对周围土体产生挤压作用，导致地面隆起和深层土体向远离隧道方向移动。
It can be used for construction of road bed and slop, digging channel, mixing the road surface compound, cleaning snow, transporting the grit material and maintaining the soil and metal road.
动作灵活准确，操纵方便，平整场地有较高的精度，适用于构筑路基和路面、修筑边坡、开挖边沟，也可搅拌路面混合料、扫除积雪、推送散粒物料以及进行土路和碎石路的养护工作。
It can be used for construction of road bed and slop, digging channel, mixing the road surface compound, cleaning snow, transporting the grit material and maintaining the soil and metal road.
动作灵活准确，操纵方便，平整场地有较高的精度，适用于构筑路基和路面、修筑边坡、开挖边沟，也可搅拌路面混合料、扫除积雪、推送散粒物料以及进行土路和碎石路的养护工作。
应用推荐