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Pile foundation reinforcing method

A technology of pile foundation and reinforcing plate, applied in sheet pile wall, foundation structure engineering, construction, etc., can solve the problems of destroying the integrity of pile caps, reducing the bearing capacity of pile caps, unfavorable reinforcement of pile foundations, etc., so as to improve the bearing capacity. ability, reducing the amount of bending deformation, and improving the effect of restraint performance

Inactive Publication Date: 2021-06-08
浙江鼎固建筑技术有限公司
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  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In view of the above-mentioned related technologies, the inventor believes that the method of first opening a through hole on the pile cap and then planting bars on the wall of the through hole will destroy the integrity of the pile cap and reduce the bearing capacity of the pile cap. more disadvantageous in terms of reinforcement

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Embodiment Construction

[0042] The following is attached Figure 2-3 The application is described in further detail.

[0043] After dismantling the equipment in the original factory building, and then reinforcing the pile foundation, refer to figure 2 , the pile foundation includes a pile cap 1 and an original pile 2 for supporting the pile cap 1 .

[0044] The embodiment of the application discloses a pile foundation strengthening method. refer to figure 2 , 3 , the foundation pit 3 reinforcement method comprises the following steps: S1, excavating the foundation pit 3, excavating on the ground corresponding to the independent foundation, the bottom of the foundation pit 3 after excavation is lower than the lower surface of the pile cap 1, the foundation pit 3 There is a construction space formed by a gap between the bottom of the pit and the pile cap 1, and the height interval of the construction space is greater than 120cm. The construction space is convenient for on-site personnel to opera...

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Abstract

The invention relates to a pile foundation reinforcing method. The method comprises the following steps that S1, a foundation pit is excavated, the foundation pit is formed through excavation, the bottom of the foundation pit is lower than the lower surface of a pile bearing platform, and a construction space is formed between the bottom of the foundation pit and the lower surface of the pile bearing platform; S2, structure construction is reinforced: S2-1, pile construction is reinforced: constructing at the bottom of the foundation pit and on one side of the vertical projection of the pile cap at the bottom of the foundation pit to form a reinforcing pile; and S2-2, reinforcing plate construction is conducted, specifically, a reinforcing plate is formed on the lower surface of the pile cap through construction, and the reinforcing plate is fixedly connected with the reinforcing pile. S3, the foundation pit is backfilled: S3-1, filling a first filler layer, and filling a first filler between the lower surface of the reinforcing plate and the pit bottom of the foundation pit to form the first filler layer. and S3-2, second filler layer filling is conducted, specifically, the side wall of the first filler layer is filled with the second filler layer, the second filler layer is vibrated and compacted from the upper surface of the second filler layer, and the upper surface of the second filler layer is higher than the lower surface of the reinforcing plate. The method has the effect of reducing damage to the pile cap during pile foundation reinforcement.

Description

technical field [0001] The present application relates to the technical field of foundation reinforcement, in particular to a pile foundation reinforcement method. Background technique [0002] At present, the pile foundation structure is the abbreviation of the deep foundation composed of piles and pile caps connected to the top of the piles. [0003] In industrial plants, there will be separate foundations designed and constructed at the bottom of the equipment due to the excessive weight of the equipment. However, when the plant is replaced with new equipment that is heavier than the original equipment, in order to ensure the bearing capacity of the independent foundation, the pile foundation is usually reinforced. [0004] After disassembling the device, refer to figure 1 , the reinforcement method of the existing pile foundation is as follows: step 1, foundation pit 3 excavation. The foundation pit 3 is formed by excavation, the bottom of the foundation pit 3 is lowe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/64
CPCE02D5/64
Inventor 郭光照邵坤尧俞柳
Owner 浙江鼎固建筑技术有限公司
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