The causes of mineral springs further inquired : and the strange and secret changes of liquors examined; by Dr. J. Beale, to the Publisher
Sir; I am much obliged to my honored friend Dr H. for his analysis of mineral springs, and his animadversions relating to that argument. I offer no objection against the note, that some waters do lick up the salts, before they be perfectly fixt in the materials of metals:
The safety operation of a concrete face rockfill dam (CFRD) built on covering layers depend on the integrity of its water stop system. So analyzing the dam seepage field before and after joint sealing damaged is significant, which includes the study of the influence on the dam seepage behavior when the water stop of peripheral joint and slab joint were damaged. In this paper, taken a specific hydropower station project as an example, the numerical analysis models of a CFRD for simulating the different water stop damage and failure types were established. Then the influence mechanism how the damage of the peripheral joint and slab joint affects the seepage gradient, saturated surface and seepage discharge inside the dam was analyzed, and the influence values were obtained. Therefore, the water stop area that needs to focus on is ascertained when the dam anti-seepage system was arranged.