三维封闭多功能室式结构由多种土工合成材料(聚丙烯、聚乙烯土工格栅、玻纤格栅、织造布及非织造布等)按需要组合加工而成。一条渠道要做护砌,通常的办法是选用防渗膜或复合土工膜铺一层砂或碎石,铺一层混凝土预制板或现场浇板,这样的结构三个方向上都是各自独立的,每块板与其他板块之间,混凝土 Three-dimensional closed multi-functional chamber structure by a variety of geosynthetics (polypropylene, polyethylene geogrid, fiberglass grille, woven and non-woven fabric, etc.) as needed by the combination of processing. A channel to do sanding, the usual approach is to use impermeable membrane or composite geomembrane shop a layer of sand or gravel, shop a layer of concrete precast plate or on-site pouring plate, so the structure of the three directions are independent , Between each plate and the other plates, concrete