Construction technology for foundation reinforcement of large-scale hydraulic structures in construction waste soil layer

A technology of foundation reinforcement and construction technology, applied in construction, earthwork drilling, soil protection, etc., can solve the problems of unsatisfactory foundation bearing capacity, single foundation reinforcement construction technology, high construction cost, etc., and achieve easy quality control, The effect of high construction efficiency and saving investment

Active Publication Date: 2022-04-05
BEIJING MUNICIPAL CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing foundation reinforcement construction technology is relatively simple, or the construction cost is high, the construction period is long, or the foundation bearing capacity cannot meet the high requirements, and the limitations are relatively large

Method used

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  • Construction technology for foundation reinforcement of large-scale hydraulic structures in construction waste soil layer
  • Construction technology for foundation reinforcement of large-scale hydraulic structures in construction waste soil layer
  • Construction technology for foundation reinforcement of large-scale hydraulic structures in construction waste soil layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] see Figure 1-7 , in the embodiment of the present invention, a kind of ground reinforcement construction technology of large-scale hydraulic structure of construction waste ground layer, the steps are as follows:

[0077] S1. Construction of Pile Expansion with Column Hammer

[0078] 1) Measuring and setting out

[0079] After the site is excavated to the elevation of the piling work surface, the positioning and setting out shall be carried out according to the measurement data provided by the owner, and the supervisory engineer shall be invited to inspect the line;

[0080] 2) Measure and place the pile position

[0081] After the inspection line is qualified, start to place the pile positions according to the design requirements. First, use the electronic theodolite to determine the control points of each axis according to the control points, and then surround the rectangular range where the pile points need to be placed with a white line, and then according to the...

Embodiment 2

[0125] In an embodiment of the present invention, a foundation reinforcement construction process of a large-scale hydraulic structure in the ground layer of construction waste, the steps are as follows:

[0126] S1. Construction of Pile Expansion with Column Hammer

[0127] 1) Measuring and setting out

[0128] After the site is excavated to the elevation of the piling work surface, the positioning and setting out shall be carried out according to the measurement data provided by the owner, and the supervisory engineer shall be invited to inspect the line;

[0129] 2) Measure and place the pile position

[0130] After the inspection line is qualified, start to place the pile positions according to the design requirements. First, use the electronic theodolite to determine the control points of each axis according to the control points, and then surround the rectangular range where the pile points need to be placed with a white line, and then according to the axis line The re...

Embodiment 3

[0174] In an embodiment of the present invention, a foundation reinforcement construction process of a large-scale hydraulic structure in the ground layer of construction waste, the steps are as follows:

[0175] S1. Construction of Pile Expansion with Column Hammer

[0176] 1) Measuring and setting out

[0177] After the site is excavated to the elevation of the piling work surface, the positioning and setting out shall be carried out according to the measurement data provided by the owner, and the supervisory engineer shall be invited to inspect the line;

[0178] 2) Measure and place the pile position

[0179]After the inspection line is qualified, start to place the pile positions according to the design requirements. First, use the electronic theodolite to determine the control points of each axis according to the control points, and then surround the rectangular range where the pile points need to be placed with a white line, and then according to the axis line The rel...

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Abstract

The invention discloses a foundation reinforcement construction process for a large-scale hydraulic structure in the ground layer of construction waste. The steps are as follows: S1. Punching and expanding pile construction with a column hammer: 1) measuring and setting out the line; 2) measuring and placing the pile position; , so that the column hammer is aligned with the pile position; 4) punching through the column hammer; 5) filling; 6) forming a pile; 8) After the excavation of the foundation pit, the soil between the piles and the pile head are manually removed, and after meeting the requirements, the owner, supervisor, and survey are invited to inspect the trench; S2. CFG pile construction; the present invention Through the combination of column hammer punching expansion pile construction and CFG pile construction, the two complement each other and have a good application prospect; there is a column hammer, and the column hammer includes a door-shaped support frame, a base, a column hammer body and a column hammer body for lifting The unique lifting unit fully guides the entire column hammer body in multiple positions during the free fall process, improving stability and accuracy.

Description

technical field [0001] The invention relates to the field of foundation reinforcement, in particular to a construction technology for foundation reinforcement of large-scale hydraulic structures in the ground layer of construction waste. Background technique [0002] Foundation reinforcement means that before the existing building foundations and foundations are reinforced, the foundations and foundations should be appraised before the reinforcement design and construction can be carried out. The appraisal, reinforcement design and construction of the existing building foundations and foundations should be conducted by qualified personnel units and experienced professional and technical personnel to undertake. [0003] The existing foundation reinforcement construction technology is relatively simple, or the construction cost is high, the construction period is long, or the foundation bearing capacity cannot meet the higher requirements, and the limitations are relatively la...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D3/08E02D5/36E21B1/00
CPCE02D3/08E02D5/36E21B1/00
Inventor 孟庆龙黄明利刘明华郭士成仇立发张永军吴传锋于娇娇张长林何富思
Owner BEIJING MUNICIPAL CONSTR
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