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Assembled casing for pile foundation construction and using method thereof

A prefabricated and protective tube technology, which is applied in infrastructure engineering, sheet pile walls, buildings, etc., can solve the problems of occupying the effective space of transportation vehicles, high transportation costs of protective tubes, unfavorable construction and production, etc., so as to reduce transportation costs and reduce Construction cost, the effect of standardization

Active Publication Date: 2015-12-30
CHINA FIRST METALLURGICAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It occupies the effective space of the transport vehicle during transportation and is easily deformed during transportation and loading and unloading. Especially during long-distance transportation, the transportation cost of the casing is relatively high, which is not conducive to construction and production

Method used

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  • Assembled casing for pile foundation construction and using method thereof
  • Assembled casing for pile foundation construction and using method thereof
  • Assembled casing for pile foundation construction and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 , 2 As shown in and 3, an assembled casing for pile foundation construction is characterized in that: the casing is mainly composed of several arc-shaped segments, and the several arc-shaped segments are connected end to end in turn to form a cylindrical structure; The arc-shaped segment mainly includes an arc plate 1, the left side of the arc plate 1 is provided with a pin shaft 2, and the right side of the arc plate 1 is provided with a ferrule 3 symmetrically arranged with the pin shaft 2, and the inner card slot of the ferrule 3 The shape matches the pin shaft 2; two adjacent arc-shaped segments are connected by inserting the pin shaft 2 into the ferrule 3, and the pin shaft 2 can rotate in the ferrule 3, and the two adjacent arc-shaped segments The rotation angle between segments is changed between -4° and 11° (the angle between two adjacent arc-shaped segments refers to the angle between the tangents at the junction of two adjacent arc-shaped seg...

Embodiment 2

[0046] An extendable assembled casing for pile foundation construction, characterized in that it includes a plurality of assembled casings for pile foundation construction connected up and down, and each arc plate in the assembled casing for pile foundation construction is 1 There are connecting bolt holes 5 at the upper and lower ends of the upper and lower ends; the upper and lower adjacent two connected pile foundation constructions are connected by a plurality of connecting plates 9, and the plurality of connecting plates 9 connect the two adjacent pile foundations. The connection end of the assembled casing for construction is surrounded by a circle, and each connection plate 9 is provided with upper and lower rows of bolt holes corresponding to the connection bolt holes 5 on the arc plate 1, and the upper row of bolt holes is connected to the upper arc plate 1 Through bolt connection, the bolt holes in the lower row are connected with the lower arc plate 1 through bolts. ...

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Abstract

The invention relates to the field of building pile foundation construction equipment, in particular to an assembled casing for pile foundation construction. An assembled casing for pile foundation construction, characterized in that: the casing is mainly composed of several arc-shaped segments, and the several arc-shaped segments are sequentially connected end to end to form a cylindrical structure; the arc-shaped segments are mainly Including an arc plate, the left side of the arc plate is provided with a pin shaft, and the right side of the arc plate is provided with a ferrule symmetrically arranged with the pin shaft, and the shape of the internal card slot of the ferrule matches the pin shaft; two adjacent pieces The arc-shaped segments are connected by means of a pin shaft inserted in the ferrule, and the pin shaft can rotate in the ferrule, and the rotation angle between the two adjacent arc-shaped segments can be changed between -4° and 11°. The casing is composed of several standard arc-shaped segments, and the angle can be changed within a certain range to form casings with different diameters.

Description

technical field [0001] The invention relates to the field of building pile foundation construction equipment, in particular to an assembled casing for pile foundation construction and a method for using the same. Background technique [0002] Casing is a machine tool for building pile foundation construction, usually buried in the hole of pile foundation, to prevent the collapse of the surface soil of the hole, and play a guiding role for the pile forming machine. Usually the diameter of the casing is about 200mm larger than the diameter of the pile, and the precision of the diameter deviation of the casing is not high when the pile foundation is formed. [0003] Each pile foundation project usually has pile types with various diameters. According to different pile diameters, it is often necessary to configure a variety of casings with different specifications to meet construction needs. The casing is a hollow structure, and the weight per unit volume is relatively light, b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/66
Inventor 杨德志吴林华
Owner CHINA FIRST METALLURGICAL GROUP