Combined with specific engineering, it analyzes design of deep well precipitation plan and precipitation plan, and introduces its application in pipe canal digging, the experiences indicates construction effect is good.

• 结合工程概况,比选了降水方案,分析了深井井点降水方案的设计技术,介绍了深井井点降水在管沟开挖中的应用,实践证明,该方案的施工效果良好。