挡土墙止水螺杆的作用就是止水、防水，并且在模板的施工中起到固定，防爆模的作用，如果挡土墙施工没有使用到止水螺杆势必会影响到墙身的质量，从而引起漏水、渗水，从而导致墙身塌方，导致河水外泄，所以使用止水螺杆防水保证墙体的牢固是保定平面设计培训 保定空调维修 保定管道通风 包装盒定做 化粪池模具 废旧电缆回收 不锈钢铸件 一定需要，另外还可以河渗进墙体，特别是位于城市地区的河道挡土墙，肩负着重要的防洪、排涝任务，一旦发生事故，就会造成不良隐患。
The function of water-proof screw of retaining wall is water-proof and waterproof, and it plays the role of fixing and explosion-proof mould in the construction of formwork. If the water-proof screw is not used in the construction of retaining wall, it will inevitably affect the quality of the wall, thus causing water leakage and seepage, leading to wall collapse and river water leakage, so water-proof is used. Screw waterproofing guarantees the wall's firmness. In addition, it can also infiltrate into the wall, especially the river retaining wall located in urban areas. It shoulders the important task of flood control and drainage. Once an accident occurs, it will cause undesirable hidden dangers.