This article introduced the process and notes on advance grouting and blocking against water of pump house.
介绍了水泵房预注浆、堵水的过程及注意事项，并评估注浆效果，提出根治水泵房淋水的方案。
Continuous grouting, avoid the piston pump large instantaneous pressure fluctuation.
可连续灌浆，避免了活塞泵过大的瞬时脉动压力。
The circular tube grouting test was made by the established model of grouting slurry tube in rock mass and using piston type grouting pump commonly used in grouting engineering.
通过建立岩体中灌浆管状模型，利用灌浆施工中常用的活塞式灌浆泵，进行了圆管模型灌水(浆)试验。
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