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1预留施工洞口封堵中低层建筑外墙、内隔墙主体砌筑时,为方便运入各种材料,均需留置临时施工洞。在进行室内抹灰时,不抹面层灰,在距洞口边缘100-150mm处留置直槎;砌筑时应按洞口留置大小预埋钢筋,在堵洞前,应先调直钢筋并清理干净,对两侧留槎和堵洞砌块应充分浇水湿润,采用同主体砌筑时相同的方法施工,最上一层应斜砌粘土砖,上部顶紧混凝土过梁或板顶部,下面是砖砌的墙体,堵砌后停放3d以上再抹面。
1 to reserve the construction of the entrance to block the middle and low-rise building exterior walls, the main body of the partition wall masonry, for the convenience of entering a variety of materials, are required to lien temporary construction. In the indoor plastering, do not wipe the surface gray, at the edge of the hole 100-150mm place straight 槎 槎; masonry hole should be reserved for the size of the hole embedded in the hole before the reinforcement should be straightened and clean , Stay on both sides of the block and plugging block should be fully watering and wetting, using the same method with the main masonry construction, the top layer of clay brick should be inclined, the top of concrete roof beam or roof, below the brick Laying the wall, blocking the parked 3d and then wipe the surface.