Construction method of high-pressure swing grouting water-stop curtain
2011
The invention relates to a construction method of a high-pressure swing grouting water-stop curtain, belonging to the method of building construction. The method comprises the following steps of: staking out in survey, positioning a drilling rig, installing and locating the drilling rig, boring, treating an orifice and grouting. The grouting process comprises the following steps of: a. trying to spray a ground; b. injecting to a spraying tool; c. stirring cement slurry; d. injecting air and water at high pressure and grouting at low pressure; e. completing grouting; and f. cleaning. The construction method has the characteristics of wide application range, convenience for getting materials, simplicity and convenience for construction operation, higher construction speed, reliable construction quality and economy and reasonability. The construction method of the high-pressure swing grouting water-stop curtain can better prevent ground water from entering a construction region, reduce the waste and the pollution of ground water resources to the maximum degree, protect ground water resources, maintain the balance of the ground water resources, ensure the safety of peripheral buildings and structures and meet the requirement for green construction.
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