Take damping trench of light -duty well point

The utility model discloses a take damping trench of light -duty well point, it includes round fender pile (1) and round top beam (2), this circle fender pile (1) outside is equipped with the light -duty well point of round (3), the end elevation of light -duty well point (3) at the bottom of than damping trench's ditch the elevation low more than 1 meter, the interval between per two adjacent light -duty well point (3) of this ring is 2~3 meters, support (4) in the top of following the damping trench width direction extension for one is established for 4~6 meters in the every interval of top beam (2) elevation department, every row of the inboard of fender pile (1) along length direction extends has at least one deck vibration prevention plate (6) through inflation screwed connection, damping trench from the ditch at the bottom of up the successive layer interval lay coarse sand layer (5) and fine coal grieshoch (7), coarse sand layer (5) and fine coal grieshoch (7) that laid at the interval constitute the s