The utility model relates to city drainage technical field, and disclose a kind of
sponge city construction construction drainage structure, including
drainage canal, the
bottom water channel is fixedly connected in the bottom of
drainage canal, the top frame surface is provided with pre-filtering mechanism, the
bottom water channel surface is provided with infiltration treatment mechanism, in pre-filtering mechanism, inner shelf is fixed in the inside of
drainage canal, and inner shelf inner end is provided with
insertion slot, and
insertion slot is inserted into
insertion frame, and the inner end of insertion frame is equipped with internal insertion frame, and filter plate is inserted in internal insertion frame, and inner shelf top is equipped with mounting hole, limiting plate and limiting bolt, can be filtered by filter plate
Impurity silt, and it is convenient to maintain, in infiltration treatment mechanism, bottom mounting port is equipped in the bottom end of
bottom water channel, and infiltration well is fixed in it, and infiltration well is equipped with infiltration mouth, top cover, and internal
gradation gravel filter layer is equipped, and external anti-filtering layer is equipped, can prevent blockage and promote rainwater infiltration, improve drainage efficiency by pre-filtering and infiltration treatment, realize rainwater recycling and waterlogging prevention and control, simple structure, and it is convenient to maintain.