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Pile head concrete construction and chiseling-removing method

A concrete and pile head technology, applied in sheet pile wall, foundation structure engineering, construction, etc., can solve the problems of affecting the holding force of concrete, large labor consumption, inability to clean, etc. Low cost and the effect of eliminating the cleaning process

Inactive Publication Date: 2018-05-29
浙江省地矿建设有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] At present, during the construction process of pile head concrete chiseling, the labor consumption is large, the cost is high, and the steel bars are bent after chiseling, and cannot be cleaned after being wrapped in concrete, which affects the subsequent gripping force with concrete

Method used

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Embodiment Construction

[0026] The following describes the present invention further, but the protection scope of the present invention is not limited to this:

[0027] The method for constructing and removing pile head concrete of the present invention. Before the pile head construction, a hollow pipe is placed on the anchoring bar end of the pile head reinforcement cage, and the pile head reinforcement cage of the hollow pipe is placed, and then the concrete is poured. The concrete in the anchoring area and the anchoring bars of the steel cage are separated by hollow pipes, which cannot form a binding force. After pouring is completed, dig the pile head foundation pit and use a pneumatic pick to drill holes in the pile head to cause cracks in the concrete. It can be quickly divided into pieces and fall off. The hollow tube in the embodiment of the present invention uses a pearl cotton hollow foam tube. The length of the foam tube is 2m / piece. The specific specifications can be customized or directly tw...

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Abstract

The invention discloses a pile head concrete construction and chiseling-removing method. According to the pile head concrete construction and chiseling-removing method, a reinforcement cage pile headanchoring rib is sleeved with a pearl wool hollow foam pipe, bonding of concrete and the anchoring rib on an anchoring area is blocked, and thus the concrete and the anchoring rib cannot form the bonding strength; after excavation of a foundation pit, only an air pick is needed to punch a plurality of holes in a pile head; and after concrete cracks are generated, the concrete quickly falls off ina blocked mode owing to the fact that no reinforcement bonding exists. The labor cost of pile head chiseling-removing is greatly reduced, the construction schedule is accelerated, reinforcements are not polluted, the straight and clean surfaces are still kept, and the bonding strength of the reinforcements and the fresh concrete in an upper connecting structure is improved; and according to the method, operating is easy and quick, the bonding strength of the reinforcements and the fresh concrete can be greatly improved, the construction quality of later-period concrete pouring is ensured, andthe method is suitable for construction of underground diaphragm walls, enclosing piles and engineering piles, wide in application and easy to popularize.

Description

Technical field [0001] The invention belongs to the technical field of building construction, and specifically relates to a method for chipping out pile head concrete with fast construction progress and high quality. Background technique [0002] At present, in the construction process of pile head concrete removal, labor consumption is large and cost is high, and after removal, the steel bars are bent and cannot be cleaned after being wrapped by concrete, which affects the subsequent bond strength with concrete. Summary of the invention [0003] In view of the above-mentioned problems in the prior art, the purpose of the present invention is to provide a method for chipping out pile head concrete with fast construction progress and high quality. [0004] The described method for construction and removal of pile head concrete is characterized in that before the pile head construction, a hollow pipe is placed on the anchoring bar end of the pile head reinforcement cage, and then the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/34E02D9/00
CPCE02D5/34E02D9/005
Inventor 张金勇翁奔哲何侃侃程立远姚鑫林王星军
Owner 浙江省地矿建设有限公司
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