桥面展装施工标准工艺(国外英文资料).docVIP

桥面铺装施工标准工艺(国外英文资料) The construction standard technology of the deck pavement ? First, preparation for construction Close the stone and the beam body, make good measure control. In particular, the control of the height of the mat; At the same time, the standardization of the elevation and flatness of the beam surface is achieved, which is the foundation for the construction of the pavement. 2, clarify your thinking and determine the method. The deck of the bridge is carried out after the construction of the anti-collision barrier. The bridge to the whole picture of the second construction method is adopted, the sides and middle construction three 1250 px concrete sideband first, and then use the half range paving paving leveling machine, crane or pump car cloth. The selection of the concrete proportioning ratio shall be constructed according to the proportion approved by the director and the supervising unit. The concrete supply bridge is packed with C50 waterproof concrete, which is supplied by the construction site mixing and standing, and the concrete mixer carriage. Second, the construction process flow chart of the bridge Third, key construction techniques and methods Bridge cleaning (processing) Follow: one chisel two blow three blow the principle of wash. 1.1 on bridge deck laitance, ballast, sundry thoroughly chisel, cleansing, generally USES machines and artificial cut hair hammer chisel, cooperate with the methods of integral trawl forward, complete the bleeding on the deck, ballast, all cleaned up debris, the work is very important, directly affect the degree of density of bridge deck pavement and the connection of beam end face. 1.2 bridge deck laitance, ballast and after completion of cleaning, artificial use brooms for cleaning, again with high-pressure wind bridge deck residual dirt, and then use water cannons to wash and bamboo broom or steel brush to clean again, flush along the bridge cross slope, and debris from the drainage hole, the water after