摘要： 松阳东坞水库发电隧洞衬砌混凝土由于长期受水流冲刷，出现了大量混凝土疏松、脱落和裂缝等缺陷，本文介绍用化学灌浆方法处理该发电隧洞混凝土裂缝。

Abstract: Due to the long-term water scouring on the lining concrete of the power tunnel of Dongwu rewervoir, massive concrete loose, concrete sloughing and cracks occurred. This paper introduced the treatment for cracks by chemical grouting, for reference.