Wet pile extension method for cast-in place pile

A technology of bored piles and wet method, which is applied to sheet pile walls, buildings, and foundation structure engineering, etc. It can solve the problems of reduced pile quality, increased construction costs, and troublesome handling, and saves waste of manpower and material resources. The effect of low cost and simple structure

Inactive Publication Date: 2010-10-27
CHINA FIRST METALLURGICAL GROUP
View PDF4 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the control requirements for the construction process of bored piles are very strict. If there is a slight carelessness in the construction, there will be failures such as hole collapse and necking, which will reduce the quality of the piles, and serious problems such as broken piles and waste piles will occur. It is very troublesome to deal with quality accidents, and at the same time, it causes delays in the project schedule and greatly increases construction costs

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
  • Wet pile extension method for cast-in place pile
  • Wet pile extension method for cast-in place pile
  • Wet pile extension method for cast-in place pile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] like figure 1 , Figure 7 Shown, a kind of wet pile connection method of bored pile, it comprises the steps:

[0023] 1) Prepare the wet pile connection device for bored piles: the wet pile connection device for bored piles includes plugs 22 and conduits, and the conduits include bottom pipes 23 and branch pipes 24, and the number of pipes is 2-100 (the specific number depends on The depth of the broken pile position is determined); the sleeve pipe 5 of the plug is inserted into the lower end of the first steel pipe 11 of the bottom pipe, and the first steel pipe 11 of the bottom pipe is rotated counterclockwise, so that the left hook 6 of the plug is hooked on the bottom pipe. On the left hanging ring 9, the right hook 7 of the plug is hooked on the right hanging ring 10 of the bottom pipe, so that the plug is installed on the lower end of the bottom pipe;

[0024] 2) Measure and record the depth L1 of the broken pile position with a measuring rope, and pour concrete...

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 invention relates to a wet pile extension method for a broken cast-in place pile. The method is characterized by comprising the following steps of: 1) preparing a wet pile extension device for the broken cast-in place pile; 2) measuring and recording a depth L of a broken position of the broken pile by using a measuring rope, connecting a next branch pipe on a first length of branch pipe through threads, and till the total length of the connected pipe is more than the sum of the depth of the broken position and the length of a length of pipe, recording the total length L of the connected pipe; 3) lifting the lower end of the pipe fully filled with concrete away from a drill hole to a height of 0.45 to 0.55m, then fast putting the pipe down, inserting an end cap and a bottom pipe in the filled concrete in the broken position through concrete mortar mixture by using the pipe and the impulse inertia of the concrete in the pipe; and 4) rotating the pipe clockwise to separate the end cap from the bottom pipe, then continuously pouring the concrete in the drill hole to finish the pile extension of the broken position in the drill hole. The method has the characteristics of simplicity and high efficiency.

Description

technical field [0001] The invention relates to a wet method for connecting piles when bored piles are broken. Background technique [0002] Bored pile is a commonly used pile type for building foundation construction. Due to its advantages of simple construction, reasonable cost and strong soil adaptability, it is widely used in various foundation constructions such as industrial and civil buildings and bridges. However, the control requirements for the construction process of bored piles are very strict. If there is a slight carelessness in the construction, there will be failures such as hole collapse and necking, which will reduce the quality of the piles, and serious problems such as broken piles and waste piles will occur. It is very troublesome to deal with quality accidents, and at the same time, it causes delays in the project schedule and greatly increases construction costs. Therefore, during the construction of bored piles, the key processes must be strictly con...

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
Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/36E02D5/64
Inventor 谢帮鹏张斌吴林华
Owner CHINA FIRST METALLURGICAL GROUP
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