1) Block stacking on site
After the blocks enter the site, they should be stacked separately according to the strength grade and specifications of the blocks, and signs should be set on the stacking crib. Brick yard must be flat and well drained. Generally, the stacking height of bricks shall not exceed 1.6m, and a proper distance shall be kept between stacking piles so that bricks can be transported to the wall.
2) When building the block wall, start from the corner or position, the inner and outer walls are built at the same time, and the inner and outer walls are staggered at the same time; Use staggered joints to build by laying bricks or stones, and the lap length shall not be less than 90 mm If there is no guarantee, 2 φ 4 or 2 φ 6 Rachel steel bars or welded steel mesh can be set in the horizontal joints, but the embedded length of steel bars or mesh at both ends shall not be less than 300mm, and the vertical joints of the wall shall not exceed the height of two bricks.
When laying temporary discontinuous masonry, it should be built into an oblique lap at the discontinuity during the temporary period, and the length of the oblique lap should not be less than 2/3 of the height. If it is difficult to leave an oblique lap joint, it can also be made into a straight lap joint except at the corner. However, in the horizontal mortar joint, two φ 4 steel bars or steel mesh pieces should be set every 400mm along the wall height, and the embedded length of each end of the straight lap joint should exceed 300mm to ensure the firm connection of the wall.
At the junction of non-bearing wall and concrete wall column, 2φ6 pull-in steel bars should be set every 500mm along the height of wall column, and each side should extend into the wall. Masonry mortar should be evenly mixed and matched with it. Usually used up within 4 hours. The mortar joint of the wall should be horizontal and vertical, and all mortar joints should be filled with mortar. It is useful to make the horizontal mortar joint plumpness not less than 95% and the vertical mortar joint plumpness not less than 90% by using the "horizontal mortar joint knife setting method". The width of mortar joint should be controlled at 8 ~ 12mm. Buried Rachel reinforcement or steel mesh must be in the mortar layer.
When laying, mortar should be used to level the block, and stones, broken bricks or wood blocks should not be filled; Holes, pipes and embedded parts shall be reserved or embedded during masonry, and shall not be chiseled on the wall. Rainproof measures should be taken in rainy days, and wet block masonry should not be used. During construction after rain, the verticality and smoothness of the wall should be checked, and the upper wet block should be removed and replaced with dry block.
The main structure is organized according to the divided construction process, and a comprehensive ZuoYeDui is equipped to be responsible for these five construction work areas. Comprehensive ZuoYeDui according to steel workers, formwork workers, scaffolder, concrete workers and other professional types of work to form a professional construction team.
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