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本发明涉及一种灌注钢筋混凝土桩的新方法:钻孔到预定深度,在提钻的同时通过设在钻头的喷嘴向孔内高压喷浆,至浆液达到没有塌孔危险的位置为止。起钻后在孔内放置钢筋笼,投满粒料,并
The invention relates to a new method of injecting reinforced concrete piles: drilling to a predetermined depth, spraying high pressure at the same time through the nozzles provided on the drill bit while lifting the drill, until the slurry reaches a position where there is no risk of hole collapse. After drilling, the steel cage is placed in the hole and the pellets are thrown in.