Pile constructing process including drilling hole with long screw and pressure depositing concrete and steel bar cage vibrating feeder
A construction technology and concrete pouring technology, applied in sheet pile wall, foundation structure engineering, construction, etc., can solve the problems such as the failure of the sinking steel cage work, the inability to guarantee the quality of the pile, the bending deformation, etc., to meet the seismic design requirements. requirements, strengthen the compactness, the effect of high bearing capacity
Inactive Publication Date: 2004-02-04
柯刚
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Problems solved by technology
However, due to the low rigidity of the reinforcement cage itself and the high resistance of the concrete poured in the pile hole, the reinforcement cage is prone to severe bending deformation in the pile hole during the sinking of the reinforcement cage, and the cage The bottom steel bar is also easy to insert into the wall of the pile hole to form an insert side, which causes a lot of frictional resistance around the cage and the bottom end of the cage, so that the work of the sinking steel cage cannot be carried out normally, and even if it sinks in, the pile cannot be guaranteed quality, especially for small-diameter steel cages
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[0009] Below in conjunction with specific embodiment the present invention is described in further detail:
[0010] The steel cage vibrating cage feeder shown in the figure has a high-frequency vibration motor 2, which is the vibration source of the cage feeder, and the power is about 3~6KW, which can be obtained by purchasing prior art products. This high-frequency vibration motor 2 is fixed on the motor mounting plate 4 by motor mounting bolts 3, and the top of the high-frequency vibration motor 2 has a lifting ring 1 for lifting the whole cage feeder and the reinforcement cage 14 thereon. The both sides of motor mounting plate 4 are provided with traction rope ring 6, are used for fastening righting rope, guarantee the verticality that cage feeder and reinforcement cage are laid by people's manipulation righting rope. A vibration ring 7 is welded below the motor mounting plate 4, and a vibration platform 8 is arranged below the vibration ring 7. The vibration platform 8 can...
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The present invention is pile constructing process and its steel bar cage vibrating feeder. The steel bar cage feeder has at least three guide tube fixing joints below the vibrating platform and each of the guide tube fixing joint is connected to one guide tube via a wrist. During working, the lower mouth of the guide tube is connected to the hook in lower end of steel bar cage. The pile consturcting process includes forming plain concrete base pile with long screw driller and other equipment, opening the cage vibrating feeder with guide tube penetrating the steel bar cage to draw the cage to the designed depth, and densifying the pile concrete during elevating the guide tubes.
Description
technical field [0001] The invention relates to a pile-forming technology in foundation construction in the field of construction engineering, in particular to a construction technology of a long spiral dry-hole-forming press-grown concrete pile and a steel cage vibrating cage feeder. Background technique [0002] At present, in the foundation construction of industrial and civil construction projects, the construction technology of CFG piles using supporting facilities such as long screw pile machines, concrete mixers, concrete delivery pumps and delivery pipelines has been widely used. The process adopts long auger drilling tools to form holes in dry operation, and uses the center pipe of the long auger drilling tools to pump concrete into the bottom of the hole under high pressure, and then lifts the auger drilling tools while pouring concrete, and completes the continuous operation to form holes and piles at one time. It has a high degree ...
Claims
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Inventor 柯刚
Owner 柯刚