Dismountable car washing tank used for construction site and construction technology of dismountable car washing trough

The invention relates to the field of construction of a building site, in particular to a dismountable car washing tank used for the construction site and a construction technology of the dismountablecar washing tank. The dismountable car washing tank is characterized by comprising a containing tank arranged on the ground, a rinse plate is arranged on an upper cover of the containing tank, and supporting columns used for supporting the rinse plate are inserted into the top corners of the containing tank; a prefabricated rinse tank is arranged in the containing tank, and the upper surface on the wall of the prefabricated rinse tank is flush with the ground. The supporting columns and the prefabricated rinse tank can be fabricated in advance, maintenance is not needed, the on-site construction time can be greatly shortened, and the time and cost are saved. 本发明涉及建筑工地施工领域，更具体地说，它涉及建筑工地用可拆卸洗车槽及其施工工艺。其技术方案要点是：包括开设于地面的容纳槽，容纳槽上盖设有冲洗板，所述容纳槽顶角处插设有用于支持冲洗板的支撑柱，容纳槽内还放置有预制冲洗槽，所述预制冲洗槽槽壁的上表面与地面齐平。支撑柱和预制冲洗槽都可以提前制备，而且无需养护，可以大大