丰满大坝灌浆与排水

在丰满大坝加固中，灌浆与排水是缺陷处理的主要措施。简述了坝基和坝体灌浆与排水的工程量，并分析了灌浆与排水的实施效果。介绍了所用的钻孔及灌浆设备、钻孔与灌浆方法，以及采用的水泥浆液和丙凝、丙强、氰凝３种化学浆液的性能。针对存在的问题，提出了防渗灌浆材料应选用抗侵蚀性材料、采用小水灰比浆液，必要时用化学浆液等建议。

Grouting and Drainage in Fengman Dam

In reinforcement of the Fengman Dam, grouting and drainage are main defect treatment measures. In this paper, grouting and drainage quantities of the dam foundation and dam body are briefly described and the implement effects of grouting and drainage are analyzed. This paper also gives an introduction to the used drilling and grouting equipment, methods, and the performances of the applied cement and chemical grouts. In the light of existent problems, the following suggestions are put forward: The erosion resisting grouting material and small W/C ratio shall be applied, and the chemical grouts may be used if necessary.