(2) Before the foundation is dug, a serious safety inspection should be carried out on the empty part. (3) According to the spacing of the abortion, control the number of the returning beams, and carry out safety inspection or temporary management after returning. (4) Control the number of legs back according to the length of the template. (5) The hollow top of the back air must be filled with vermiculite, and the perishable wood must not be used as filling material. (6) The masonry must be advanced, so that the staff can basically operate under safe conditions, and even if the roof collapse occurs, it is easy to retreat to a safe place. (7) Areas where there is a risk of falling roofs cannot be drilled in parallel. (8) The installation of the first abortion is the basis for the quality of the masonry. The abortion must meet the requirements of the middle and waistline, and make the plane and the centerline of the roadway vertical. To do this, the midline abortion must be measured to the size of the two gangs to make them equal. (9) For roadways with a span of more than 3.5 meters, a struts should be placed on top of the herringbone abortion to prevent them from being squeezed when the ash is ashed. (10) The spilled mortar and other debris must be cleaned up on the sections that have been demolished to ensure that the ditch is unblocked and the roadway is clean. Chevrolet Car,Gasoline Medium Suv,Gasoline Car Chevrolet,Petrol Car Chevrolet Chongqing Yuntu Automobile Trading Co., Ltd. , https://www.yuntuauto.com
What are the operational points when building a brick?
(1) Pay special attention to safety when building a roadway with broken surrounding rock and large ground pressure. When building a wall, you can only return to the column legs, not to the top beam; the number of back beams depends on the number of vertical tires. The dangerous live rock must be dismantled, and it should be managed temporarily.