Patent ID: 7607861

Claim:
A connection structure of plate type vertical drains and a circular horizontal drainpipe, comprising: the plate type vertical drains, arrayed in soft ground vertically about a surface of the soft ground to drain excess pore water from underground, wherein the plate type vertical drains includes a plate type drain body having vertical water channels and reinforcing ribs which alternately repeat at an interval and a water-absorbent nonwoven cloth wrapping on the plate type drain body; a connector integrally provided at an end portion of each of the plate type vertical drains, which is exposed outside, the connector having an inner coupling space; the circular horizontal drainpipe inserted into the coupling space, wherein the circular horizontal drainpipe is formed as a corrugated structure and has a plurality of water holes in circumference surface thereof and a fibrous material wrapping around the circular horizontal drainpipe; and a cylindrical fitter fitted on the connector, and having a guide cut along a longitudinal direction thereof periphery, wherein the connector is wrapped on and closely fastened to the circular horizontal drainpipe.