A square concrete Pouring technical disclosure
Designate special personnel to clean the 5cm wide bottom mortar around the reserved holes, distribution boxes, grooves and boxes on the wall, spray water for wetting, and plaster the edges of the holes, boxes, grooves and boxes with cement mixed mortar to be square, smooth and flat; For the wall with large excavation, first fill it with fine aggregate concrete, the surface layer is plastered in layers, and glass fiber mesh cloth is added. The side and top plastering of the door opening and the large surface plastering shall be formed in one time, and secondary construction is strictly prohibited.