| 摘要 |
<P>PROBLEM TO BE SOLVED: To keep a drainage treatment cost low when a groundwater level lowering method is executed for an underground area where an aquiclude does not exist. <P>SOLUTION: In a recharge well method and a recharge well system, a discharge well 20 and a recharge well 30 are provided in a groundwater level lowering area 1 where an aquiclude does not exist, in such a manner that a water filler 30A of the recharge well 30 is positioned on a deep-stratum side with respect to a water lifting opening 20A of the discharge well 20. Groundwater lifted from the discharge well 20 is partially returned to the groundwater level lowering area 1 through the recharge well 30, and the rest of the groundwater is discharged. <P>COPYRIGHT: (C)2012,JPO&INPIT |
