Analysis on the potential of groundwater extraction in the proposed north water source area of Xi xian
The planned water source well in the north of Xixian County is located in the area from Xiaolizhuang to Dalizhuang north of Luohuai Road. The double row well layout scheme is adopted for the exploitation of medium and deep groundwater,with a total of 12 open-pit wells arranged with a spacing of 500m and 840m between rows. The water output of a single well is about 1 920 m3/d,and the well diameter is Ф 377mm. The analytical and equilibrium methods were applied to evaluate the changes in groundwater resources in the proposed water source area,and the mining potential of the water source area was analyzed. The research results show that the allowable mining output of the water source area is 2. 112 × 104 m3/d,according to the proposed exploitation plan by using the analytical method,after 20 years of mining,the dynamic water level burial depth of the central well( K04)wall is 53. 17 m. Equilibrium method is adopted for calculation,and the allowable mining output of groundwater is 22 541. 1 m3/d. The results obtained through the above two methods are relatively close. Therefore,the allowable mining output of groundwater in the proposed north water source area is 2. 0 × 104 m3/d is guaranteed.
万方数据
维普
