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Method for manufacturing big diameter borehole filling pile cage of reinforcement

A technology of bored piles and manufacturing methods, which is applied to sheet pile walls, buildings, and foundation structure engineering, and can solve problems such as lap joints, gaps at the ends of steel bars, and uneven top and bottom of main bars, so as to eliminate the deviation in the length direction , The connection of the main reinforcement is straight and the effect of ensuring the construction quality

Active Publication Date: 2010-09-29
启东建筑集团有限公司
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Problems solved by technology

For the radial misalignment of the same main bar, it will cause the same main bar at the joint to be out of alignment up and down; for the lengthwise misalignment of the same main bar, it will cause gaps at the end of the same main bar at the joint or overlapping. catch

Method used

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  • Method for manufacturing big diameter borehole filling pile cage of reinforcement
  • Method for manufacturing big diameter borehole filling pile cage of reinforcement
  • Method for manufacturing big diameter borehole filling pile cage of reinforcement

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Embodiment Construction

[0012] A method for making a reinforcement cage for bored cast-in-place piles with a large diameter (such as 2500mm or 3000mm in diameter) comprises the following steps: making an arc clamping plate 1 with a 20mm thick steel plate, and the diameter of the arc surface of the clamping plate is outside the main reinforcement of the reinforcement cage. edge diameter, the clamping plate is placed vertically on the inverted channel steel base 4, and the clamping position 2 of the supporting main rib 3 is made on the arc surface of the clamping plate according to the designed interval position of the main rib, and the distance between the clamping position and the clamping position is the design The distance between the main bars; the above-mentioned pallets are arranged every 2 meters along the length direction of the steel cage; On one line, the vertical surface of each pallet is kept perpendicular to the longitudinal centerline of the reinforcement cage, and then the height of the ...

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Abstract

The invention discloses a manufacturing method of a bored pile reinforcing cage with large caliber, comprising a set pallet; the distance of a main reinforcement is set by the card position of the pallet, the radial dislocation of the main reinforcement is eliminated and the deviation of the main reinforcement in the length direction is eliminated by prearranging; the invention can effectively eliminate the radial dislocation and the deviation along the length direction occurring when an upper segmental reinforcing cage and a lower segmental reinforcing cage are in connection; the reinforcingcage manufactured by the invention can achieve the straight connection of the main reinforcement and ensure the quality of the joint construction, thus accelerating the progress of the construction.

Description

Technical field: [0001] The invention relates to a method for manufacturing a reinforced cage of a bored pile. Background technique: [0002] We know that the reinforced cage of bored cast-in-place piles is manufactured in sections, and after the reinforced cage is fabricated, it is necessary to connect the main reinforcement of the upper and lower sections of the reinforced cage at the opening. For the general small-diameter bored pile reinforcement cage, as long as the main reinforcement is evenly distributed on the prefabricated reinforcement ring according to the design requirements, and then the electric welding of the main reinforcement of the upper and lower sections of the reinforcement cage is lapped at the hole, it can be successfully completed. It only needs to meet the construction specification requirements of the lap length of each main reinforcement ≥ 10d (single-sided welding). However, for large-diameter bored piles, there are high requirements for the cons...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/34
Inventor 叶士辉朱海荣蒋云昌陈伟施建浩
Owner 启东建筑集团有限公司
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