Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Construction method of prestressed tubular pile

A technology of prestressed pipe piles and construction methods, which can be applied in the direction of sheet pile walls, foundation structure engineering, construction, etc., and can solve the problem of low bearing capacity

Inactive Publication Date: 2007-02-14
闫雪晖
View PDF0 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since this type of pile is a friction pile, the bearing capacity of this type of pile is relatively low due to the fact that the bearing capacity is achieved only by the area of ​​the pile body and the friction coefficient of the soil.

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
  • Construction method of prestressed tubular pile
  • Construction method of prestressed tubular pile
  • Construction method of prestressed tubular pile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] The construction method of the prestressed pipe pile as an embodiment of the present invention includes the following steps. First, as shown in Figure 1a, at the predetermined pile position, bury the prefabricated pile tip with the grouting valve and the guide ring Then, as shown in Figure 1b, the first prestressed pipe pile is connected to the prefabricated pile tip, and the prestressed pipe pile is pressed down to a certain depth in the soil by static pressure (or hammering). ; then, if Figure 1c As shown, the second prestressed pipe pile is overlapped on the upper end of the first prestressed pipe pile, and the second prestressed pipe pile is pressed down (or hammered). Repeat the above operations of lapping the pile body and pressing the pile until the pile end reaches the design elevation; after that, if Figure 1d As shown, the pressure grout pipe in the middle hole of the prestressed pipe pile is connected with the pressure grout valve; then, as Figure 1e As ...

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

A method for constructing prestressed tubular pile includes burying prefabricated pile pointer with mud jacking valve and guide coil at certain depth of underground and connecting prestressed tubular piles to press said pile pointer up to desired depth, connecting mud jacking pipe with said valve and jacketing clasp at top of pile body, using triplet to connect mud jack with said pipe to carry out mud jacking, disassembling triplet and lifting out said pipe, placing precast reinforced concrete cap at top of pile body and connecting it.

Description

technical field [0001] The invention relates to the field of civil engineering, in particular to the construction technology of pile foundation and composite foundation. Background technique [0002] At present, the prefabricated pipe pile technology widely used in the market is easy to control the quality, the construction speed is fast, and the cost is relatively low, so it is welcomed by the society. However, prefabricated pipe piles are generally suitable for soft soil foundations: Tianjin, Shanghai, Ningbo, etc. In coastal cities, the upper soil layer is relatively soft, and the bottom of the pile has a better bearing layer, such as sand layer, clay layer and pebble layer. Since this pile type is a friction pile, the bearing capacity of this pile type is relatively low because the bearing capacity is realized only by the area of ​​the pile body and the friction coefficient of the soil. Therefore, the bearing capacity of prefabricated pipe piles should be improved simpl...

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): E02D5/30E02D5/52E02D5/62E02D7/00
Inventor 闫雪晖
Owner 闫雪晖
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com