| 什么是路基 |
| 添加时间：2020/8/14 15:47:56 浏览次数： |
| 什么是路基 What is subgrade 路基由填筑或开挖而形成的直接支承轨道的结构。也叫做线路下部结构。路基与桥梁、隧道相连，共同构成一条线路。路基依其所处的地形条件不同，有两种基本形式：路堤和路堑，俗称填方和挖方。 A structure formed by filling or excavation to directly support the track. Also called line substructure. The subgrade is connected with bridges and tunnels to form a line. According to the different terrain conditions, there are two basic forms of subgrade: embankment and cutting, commonly known as filling and excavation. 盖板通俗意义上讲是用来封闭或盖住容器、箱子或结构物截面的端部或顶部的盖、罩或顶 Generally speaking, the cover is used to close or cover the end or top of the section of a container, box or structure 路基盖板模具是由聚丙烯原料或者ABS树脂（丙烯腈-苯乙烯-丁二烯共聚物）经过高温融化注塑而成的方形塑料盒子。主要用于道路排水系统。 The mold of subgrade cover plate is a square plastic box made of polypropylene raw material or ABS resin (acrylonitrile styrene butadiene copolymer) through high temperature melting and injection molding. It is mainly used for road drainage system. |
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