金利源确保盲沟与岩层密贴莱芜市金利源

利用防水板台架，按设计要求间距进行铺设，富水段根据实际情况进行加强，并在铺设起始位置和结束位置处加1根～2根环向透水管。透水管设在防水板内侧，两侧用钉固定，塑料盲沟个别不稳定处加钉加固，并预留足够的长度，确保与岩层密贴。
The waterproof board bench, according to the design requirement for laying spacing, rich water section strengthened according to the actual situation, and the laying of the start position and add 1 ~ 2 ring to the pervious pipe end position. Permeable pipe is arranged at the inner sides of the waterproof board, with the nail, plastic blind ditch individual unstable with nail reinforcement, and leave enough length, to ensure close and rock.
基面处理与基面检查是保证防水板铺设质量的重要环节。塑料盲沟防水板铺设前，将喷射混凝土层外露锚杆头或钢筋头切断，并用砂浆抹平；对喷射混凝土凹凸不平部位、隧道内坍塌掉块等坑洼处及时凿除，并补喷，保证基面平顺。
Surface treatment and surface inspection is an important link to ensure the quality of waterproof board laying. Plastic blind drain waterproof board laying, the shotcrete layer exposed bolt head or steel head cut off, and with the mortar; jet tunnel concrete uneven parts, internal collapse block hollows timely chiseling, and repair spraying, to ensure smooth surface.
以防碰撞或刮破，堵头挡板接触防水板时要有橡皮垫层。灌注混凝土时，为防止碰击防水板，振捣器不得接触防水板，避免损伤防水层，在浇筑混凝土时，发现损伤应立即修补。
In case of collision or scratching, plug baffle contact waterproof board should have rubber cushion. The pouring of concrete, to prevent the impact of waterproof board, vibrator shall not contact the waterproof board, to avoid the damage of waterproof layer, in pouring concrete, should immediately repair damage.