Guide pit type manual pot holing pile reinforing and underpinning method for building foundation and composite supporting pile

A technology for manually digging piles and buildings, which is applied in the repair of foundation structures, construction, foundation structure engineering, etc. It can solve the problems of large environmental pollution, lack of reinforcement effect, indirect force, etc., and achieve simple construction technology Reliable, easy to monitor the construction process, direct effect of foundation force

Inactive Publication Date: 2007-01-03
谭新平 +1
View PDF0 Cites 18 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rotary spraying pile method and the pressure grouting method consume a lot of water, are prone to additional deformation, and cause great environmental pollution, and the quality is difficult to control; if the static pressure pile method encounters broken stones or loess ancient The calcareous nodule layer in the soil is di

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Guide pit type manual pot holing pile reinforing and underpinning method for building foundation and composite supporting pile
  • Guide pit type manual pot holing pile reinforing and underpinning method for building foundation and composite supporting pile
  • Guide pit type manual pot holing pile reinforing and underpinning method for building foundation and composite supporting pile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] Below in conjunction with accompanying drawing the present invention is described in detail ( figure 1 is the floor plan, figure 2 , 4 , 5 is the transverse section along the foundation, image 3 is a longitudinal section along the foundation). The labels in the figure are: 1. Original foundation (column, bar, raft foundation, etc.), 2. Vertical pilot pit, 3. Horizontal pilot pit, 4. Pile hole, 5. Brick formwork, 6. Hole-digging pile body Concrete, 7. Underpinning steel plate (bottom), 8. Underpinning jack, 9. Underpinning steel plate (top), 10. Underpinning steel pipe, 11. Lime soil backfilled for the first time, 12. Concrete with expansion agent, 13. The lime soil backfilled for the second time, 14. Dry hard fine stone concrete, 15. The restored original ground.

[0029] Next to the original building foundation 1 (column foundation, strip foundation, raft foundation, etc.), vertical pilot pits 2 are excavated at intervals to about 1.8-2.0m below the bottom of the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention discloses a method for strengthening and underpinning existent building foundation by adopting pilot tunnel type artificial digging pile. The main principle of said method lies in that it utilizes vertical and horizontal pilot tunnel, adds the measures of lighting, ventilation, supporting and precipitation and constructs artificial digging pile under the building foundation and makes the artificial digging pile and the original building foundation implement effective connection so as to attain the goal of strengthening and underpinning existent building foundation. Said invention also provides the concrete operation steps of said method.

Description

Technical field: [0001] The invention belongs to the technical field of foundation construction of fixed buildings, in particular to the foundation reinforcement, underpinning and rectification technology for existing buildings. Background technique [0002] During the use of some existing buildings, due to uneven foundation soil, inadequate foundation treatment, leakage of pipelines in the foundation or the periphery of buildings, and rising groundwater levels, the bearing capacity of the foundation soil is reduced or water subsidence, underground caverns collapse, and construction Non-uniform changes in the foundation soil of existing buildings or a decrease in overall stability due to uneven loads inside and outside the building or eccentric loads on the foundation, excavation of foundation pits near buildings, defects in foundation design or poor construction quality, etc. , so that uneven settlement or local cracking and deformation of the foundation of the building wil...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): E02D37/00
Inventor 谭新平徐张建
Owner 谭新平
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap