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Pile-platform integrated formation construction technology

A construction technology and an integrated technology, which is applied in the direction of sheet pile wall, foundation structure engineering, construction, etc., can solve the problems that the quality of finished products with long construction period is affected by the technical level of personnel, weather, pile concrete breakage, pile position deviation, etc. , to achieve the effects of short construction period, reduced construction period and good quality of finished products

Active Publication Date: 2019-04-26
江西联保工程咨询有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The construction technology of piling in the prior art is generally to drive the pile first, and then construct the cap, and the cap in the traditional method is poured on site, the construction period is long, and the quality of the finished product is greatly affected by the technical level of the personnel and the weather; and when piling, Pile position deviation is prone to occur; after the construction of cast-in-situ piles, the laitance on the top of the pile needs to be chiseled; at the same time, the pile is often caused by external forces such as weak rock, looseness, and flow, resulting in broken piles, indentation, and mud inclusions in the pile body concrete. defect

Method used

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  • Pile-platform integrated formation construction technology
  • Pile-platform integrated formation construction technology
  • Pile-platform integrated formation construction technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as Figure 1a-1b , image 3 As shown, a construction technique for integrally forming a pile abutment includes the following steps:

[0029] (1) Place the prefabricated cap pile position positioning device 1 to the position where piling is required, and the inner diameter of the through hole set in the axial direction of the cap pile position positioning device 1 is slightly larger than the outer diameter of the pile driver;

[0030] (2) Arrange the pile driver. The pile barrel of the pile driver is divided into an outer cylinder 3 and an inner cylinder 4. The outer cylinder is a hollow cylinder, and one end of the inner cylinder is provided with a tapered end; before piling, pour a certain amount into the gap between the inner and outer cylinders. A certain amount of water-sealing concrete 2 is used to seal groundwater from pouring into the pile barrel; the pile barrel works up and down along the vertical direction in the through hole of the cap pile position pos...

Embodiment 2

[0035] Such as Figure 2a-2b As shown, a construction technique for integrally forming a pile abutment includes the following steps:

[0036] (1) Place the prefabricated cap pile position positioning device 1 to the position where piling is required, and the inner diameter of the through hole set in the axial direction of the cap pile position positioning device 1 is slightly larger than the outer diameter of the pile driver;

[0037] (2) Arrange the pile driver. The pile barrel of the pile driver is divided into an outer cylinder 3 and an inner cylinder 4. The outer cylinder is a hollow cylinder, and one end of the inner cylinder is provided with a tapered end; before piling, pour into the gap between the inner and outer cylinders A certain amount of water-sealing concrete 2 is used to seal groundwater from pouring into the pile barrel; the pile barrel works up and down along the vertical direction in the through hole of the cap or cap pile position positioning device;

[00...

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Abstract

The invention relates to a construction technology in piling and especially relates to a construction technology suitable for pile-platform integrated formation. The pile-platform integrated formationconstruction technology comprises the following steps: (1) putting a bearing platform or a bearing platform pile locating device to the position where the piling is needed; (2) arranging a pile driver; (3) piling to the elevation according to a design requirement, pulling an inner barrel out and performing pile bottom treatment; (4) putting a pile body and treating according to the design requirement; (5) pulling an outer barrel out and rigidly connecting the bearing platform with a pile. The construction technology disclosed by the invention has the following advantages: 1, the pile positionis prevented from deviating; 2, the construction technology can be applied to a cast-in-place pile and also can be applied to a non-cast-in-place pile; 3, the standardization degree is high, a construction period is short, and finished product quality is good; 4, the quality defects of pile breaking, retraction, mud clamping and the like caused by external force of rock stratum weakness, looseness, flowing and the like to pile body concrete are avoided; a pile head is prevented from being chiseled again, so that the construction period is reduced.

Description

technical field [0001] The invention relates to a construction technique in piling, in particular to a construction technique suitable for the integral formation of pile platforms. Background technique [0002] The construction technology of piling in the prior art is generally to drive the pile first, and then construct the cap, and the cap in the traditional method is poured on site, the construction period is long, and the quality of the finished product is greatly affected by the technical level of the personnel and the weather; and when piling, Pile position deviation is prone to occur; after the construction of cast-in-situ piles, the laitance on the top of the pile needs to be chiseled; at the same time, the pile is often caused by external forces such as weak rock, looseness, and flow, resulting in broken piles, indentation, and mud inclusions in the pile body concrete. defect. Contents of the invention [0003] The purpose of the present invention is to solve the...

Claims

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Application Information

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IPC IPC(8): E02D7/02E02D7/06
CPCE02D7/02E02D7/06
Inventor 钱勇刘献刚戴征志郑有明黎曦陈雄
Owner 江西联保工程咨询有限公司
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