Rotary excavating pile construction method in combined construction
A construction method, the technology of rotary excavation piles, applied in the direction of sheet pile walls, foundation structure engineering, construction, etc., can solve the problems of inability to guarantee the basement operation surface, inability to clean the site in time, thick sand layer on the site, etc., and achieve the efficiency of mechanical automation High, fast hole-forming speed, less mud required
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[0011] The present invention will be further described in detail below in combination with specific embodiments of the present invention.
[0012] A construction method for joint construction rotary excavation piles, comprising the following steps:
[0013] Leveling the site; laying out the pile position; putting the rotary excavator in place; laying the casing; retesting the pile location; preparing mud; The machine and the punching and grabbing hammer are combined to break the rough stone layer. First, the steel teeth of the punching hammer of the punching pile are thickened and lengthened, and the hammer is lifted and loosened by a crane. The bucket machine grabs the broken small stones out of the all-steel casing; after grabbing the broken small stones from the hole, continue to the lower all-steel casing; after the all-steel casing is in place, continue drilling with the rotary excavator for repeated use The rotary excavator drills, the punch pile machine punches, and th...
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