Reinforcement Cage Structure of Bored Bottom Reaming Pile
A technology of reinforcing steel cages and bottom-expanded piles, which is applied in basic structure engineering, sheet pile walls, buildings, etc., can solve problems such as insufficient bearing capacity of expanded-bottom piles, and achieve the effects of convenient construction, low cost, and improved bearing capacity.
Active Publication Date: 2021-07-27
SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide a steel cage structure for bored bottom-expanding piles, aiming to solve the problem of insufficient bearing capacity of bottom-expanding piles in the prior art
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.
[0025] In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orien...
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The invention relates to the technical field of reinforcement cages for bottom-expanding piles, and discloses a reinforcement cage structure for drilled bottom-expanding piles, including a main reinforcement cage, an auxiliary reinforcement cage and an expansion reinforcement cage, and the main reinforcement cage and the auxiliary reinforcement cage are arranged in a vertically movable connection The expanded reinforcement cage includes the expanded main reinforcement and the connecting reinforcement. One end of the connecting reinforcement is in a fixed arrangement with the expanding main reinforcement, and the other end of the connecting reinforcement is in a fixed arrangement with the auxiliary reinforcement cage; the upper end of the expanding main reinforcement is in a movable arrangement with the auxiliary reinforcement cage, and the The lower end is arranged in a movable manner; when the auxiliary reinforcement cage is stressed, the connecting reinforcement is urged to prop up, so that the expanded main reinforcement is arranged in a stretched shape. When the auxiliary reinforcement cage is hoisted to the bottom of the drilled hole, the auxiliary reinforcement cage meets the resistance at the bottom of the hole and starts to slide upwards relative to the main reinforcement cage, thereby prompting the connecting bars to prop up, so that the expanded main reinforcement is arranged in a stretched shape, and the expanded main reinforcement reaches The edge of the expanded bottom makes the expanded main reinforcement embedded in the expanded bottom, and the cost is low, the construction is more convenient, and the bearing capacity of the expanded bottom pile is greatly improved.
Description
technical field [0001] The patent of the present invention relates to the technical field of reinforcement cages for bottom-expanding piles, in particular, to the reinforcement cage structure for bored-hole expansion piles. Background technique [0002] Bottom expansion piles are cast-in-situ piles whose bottom diameter is larger than that of the upper pile body. [0003] At present, for drilled piles with enlarged bottoms, it is not possible to set a reinforcement cage with a bottom-expanded shape at the bottom of the bottom; because the outer diameter of the reinforced cage with a bottom-expanded shape is larger than the diameter of the upper pile, it cannot be placed in the pile hole. Therefore, drilling The steel cages of the hole-enlarged piles are all straight cages, that is, the diameters of the steel cages from top to bottom are equal, that is, although the bottom of the bored piles has been expanded, the steel cages have not been expanded. There is only concrete an...
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IPC IPC(8): E02D5/34E02D5/44
CPCE02D5/34E02D5/44
Inventor 张领帅王凤梅陈枝东李锦林刘峻滕郭秋苹
Owner SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD