CAJ | 학술논문

湾河粉煤灰堆场位于黔中典型的峰丛洼地中,存在严重的堆场废水渗漏.为确切评价其渗漏特征,在堆场及其周围开展了相应的水文地质勘探及连通试验.结果表明,堆场地下水位低于邻近的波玉河水位6.5 m,堆场废水不可能向波玉河发生渗漏,而是越过灰场北西侧峰丛地带沿F1断层向西距堆场约3 km以外的邻谷的S2潭、S3泉渗漏.渗漏点为堆场洼地中分布的串珠状落水洞,渗漏为裂隙管道型,地下水流速为57.2 m/h,渗漏水动力条件复杂.堆场废水污染渗漏治理不仅要解决堆场中串珠状落水洞的防渗,而且要保证堆场北侧山体包气带岩溶的防渗,因此建议采用水平防渗方案.
만하분매회퇴장위우검중전형적봉총와지중,존재엄중적퇴장폐수삼루.위학절평개기삼루특정,재퇴장급기주위개전료상응적수문지질감탐급련통시험.결과표명,퇴장지하수위저우린근적파옥하수위6.5 m,퇴장폐수불가능향파옥하발생삼루,이시월과회장북서측봉총지대연F1단층향서거퇴장약3 km이외적린곡적S2담、S3천삼루.삼루점위퇴장와지중분포적천주상낙수동,삼루위렬극관도형,지하수류속위57.2 m/h,삼루수동력조건복잡.퇴장폐수오염삼루치리불부요해결퇴장중천주상낙수동적방삼,이차요보증퇴장북측산체포기대암용적방삼,인차건의채용수평방삼방안.
Coal ash site in Wanhe is located in the typical peak-cluster depression in central Guizhou. Serious polluted water leakage exists in the site. To evaluate the leakage characteristics exactly, the hydro-geological exploratory works and connectivity tests have been carried out around the site. The results show that the groundwater table under the site is 6.5 meters lower than the adjacent water level of the Boyu River. Thus, the waste water of the site can not leak to the Boyu River. In fact, waste water runs across the peak cluster region at the northwest of coal ash site and leaks along the F1 fault towards west into S2 and S3 springs in the neighboring valley which is beyond 3 km from the sit. The leakage points are the beady sink-holes which are scattered over the depression in the coal ash site, and the leakage is in the type of pipe fissure. Flow velocity of groundwater is 57.2 m/h, and hydrodynamic condition of the leakage is complicated. Water pollution leakage evaluation on the site is not only to solve seepage-proofing of beady sink-holes in the site, but also to ensure karst seepage-proofing of unsaturated zone at the north of the site. Therefore, it is suggested project of horizontal seepage-proofing be adopted.