Grouting and post-grouting consolidation technology for prefabricated piles by full-casing construction method
A technology of prefabricated piles and full sleeves, applied in sheet pile walls, foundation structure engineering, construction, etc., can solve the problems of high cost and long construction period, and achieve the effects of shortened construction period, reduced project cost and strong practicability
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[0004] 1. This is a new and simple construction technology scheme and method for prefabricated pile foundation with full casing method. For construction on the sea surface of rivers, lakes, and seas, firstly, according to the engineering design requirements, the piling ship shall use the full casing method to form holes to the design elevation at the corresponding pile positions.
[0005] 2. After the hole is formed to the designed hole depth, the casing is lifted, and at the same time, cement slurry or mortar is poured into the borehole according to the design requirements to prevent the hole from collapsing in the underwater hole. Before the cement slurry or mortar is solidified, the pile driver will be used to The design requires that the prefabricated piles are driven (sinked) into the borehole to the design elevation or directly put the prefabricated piles into the bottom of the hole through the casing before the casing is lifted, pour cement or mortar, and then lift the c...
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