三峡右岸主体建筑物基础灌浆试验结束１９９７年２月９日，由葛洲坝基础工程有限公司三峡指挥部承担的三峡工程主体建筑物基础灌浆试验圆满完成。长江三峡水利枢纽坝基为闪云斜长花岗岩，坝基工程水文地质条件总体良好，但也存在断层及其交汇带、裂隙密集带及风化深槽等地... The foundation grouting test of the main building on the right bank of the Three Gorges Project ended On February 9, 1997, the foundation grouting test of the main building of the Three Gorges Project undertaken by the Three Gorges Command of Gezhouba Project Co., Ltd. was successfully completed. The dam foundation of the Three Gorges Project in the Yangtze River is of the Shuanyun plagioclase granite. The hydrogeological conditions of the dam foundation are generally good, but there are also faults and their confluence zones, dense fracture zones and weathered deep grooves.