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An external formwork, auxiliary device and construction method for inclined pile construction

An auxiliary device and construction method technology, applied in sheet pile walls, foundation structure engineering, construction, etc., can solve problems such as unsatisfactory fastening effect between external formwork and pile mouth, difficult concrete pouring process, and difficult quality assurance, etc., and achieve the goal of overcoming Unstable position, obvious fastening effect and strong adaptability

Active Publication Date: 2018-06-26
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problems to be solved by the present invention are: the concrete pouring process of the inclined pile mouth is difficult, the pouring effect is poor, the fastening effect between the external formwork and the external formwork and the pile mouth is not ideal, the overall effect of the traditional construction method is poor, and the quality is difficult to guarantee , the consistency of inclined piles is poor

Method used

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  • An external formwork, auxiliary device and construction method for inclined pile construction
  • An external formwork, auxiliary device and construction method for inclined pile construction
  • An external formwork, auxiliary device and construction method for inclined pile construction

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Effect test

Embodiment 1

[0057] Such as Figure 1 to Figure 8 As shown, an external formwork and auxiliary device for inclined pile construction, the external formwork includes a bottom formwork 1, a middle formwork 2 and a top formwork 3 that cooperate with each other, the bottom formwork 1 is rectangular, and the bottom formwork 1 The first outer perforation 11 and the first inner perforation 12 are evenly distributed on the top, the first outer perforation 11 is in the shape of a cross, the first inner perforation 12 is a square, and the middle part of the bottom template 1 is provided with a first lifting ring 13. The upper part of the bottom template 1 is also provided with a first connecting column 14; the upper part of the middle template 2 is a concave structure, and the second outer perforation 21 and the second inner perforation 22 are evenly distributed on the middle template 2. The second outer perforation 21 is in the shape of a cross, the second inner perforation 22 is a square, the midd...

Embodiment 2

[0060] Such as Figure 1 to Figure 8 As shown, an external formwork and auxiliary device for inclined pile construction, the external formwork includes a bottom formwork 1, a middle formwork 2 and a top formwork 3 that cooperate with each other, the bottom formwork 1 is rectangular, and the bottom formwork 1 The first outer perforation 11 and the first inner perforation 12 are evenly distributed on the top, the first outer perforation 11 is in the shape of a cross, the first inner perforation 12 is a square, and the middle part of the bottom template 1 is provided with a first lifting ring 13. The upper part of the bottom template 1 is also provided with a first connecting column 14; the upper part of the middle template 2 is a concave structure, and the second outer perforation 21 and the second inner perforation 22 are evenly distributed on the middle template 2. The second outer perforation 21 is in the shape of a cross, the second inner perforation 22 is a square, the midd...

Embodiment 3

[0063] Such as Figure 1 to Figure 8 Shown: A construction method for external formwork and auxiliary devices used for inclined pile construction, including the pre-order work of opening holes, laying steel mesh, erecting steel arches, spraying concrete and lowering the reinforcement cages, and also includes the following steps:

[0064] Step 1: Install the diversion tank 5 on the top template 3

[0065] Step 2: Set up the bottom template 1

[0066] A1, the bottom formwork 1 is passed through the vertical steel bar 8 reserved at the bottom of the inclined pile mouth at the mouth of the inclined pile and the steel mesh steel bar 7 reserved by the steel mesh;

[0067] A2. Bind and fix the bottom formwork 1 to the bottom of the pile opening of the inclined pile;

[0068] A3. Concrete is poured to the highest point not exceeding the bottom formwork 1, and at the same time, a vibrator is used to vibrate and degas the poured concrete;

[0069] Step 3: Set up the middle template 2...

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Abstract

The invention discloses an externally suspended formwork and an assisting device for oblique pile construction. The externally suspended formwork comprises a bottom formwork body, a middle formwork body and a top formwork body, wherein the bottom formwork body, the middle formwork body and the top formwork body are matched with one another. The bottom formwork body is rectangular. The upper portion of the middle formwork body is of a sunken structure. The lower portion of the top formwork body is of a protruding fan-shaped structure. The assisting device comprises a flow guiding chute, a fixed support, an arch-shaped hook frame and an opposite-pull threaded rod. The invention further discloses a construction method for oblique pile construction. The construction method comprises the steps that the flow guiding chute is installed on a fixed formwork; the bottom formwork body is erected; the middle formwork body is erected; the top formwork body is erected; the arch-shaped hoop frame and the opposite-pull threaded rod are installed; the opposite-pull threaded rod and the arch-shaped hoop frame are removed; and the flow guiding chute is removed, and the top formwork body, the middle formwork body and the bottom formwork body are removed in sequence. The problems that the concrete pouring process of a pile opening of an oblique pile is difficult, the pouring effect is poor, the fastening effect between the externally suspended formworks as well as between the externally suspended formwork and the pile opening is not ideal, according to a traditional construction method, the overall effect is poor, the quality is hard to guarantee, and the consistency of the oblique piles is poor are creatively solved.

Description

technical field [0001] The invention belongs to the field of inclined pile construction in construction engineering, and in particular relates to an external formwork, an auxiliary device and a construction method for inclined pile construction. Background technique [0002] At present, with the rapid development of bridge technology at home and abroad, bridge structures with good landscape effects and topographical requirements such as porous arch bridges, overhead arch bridges, and steel arch bridges have emerged as the times require, which not only reflects the designer's unique design level, At the same time, it is also a verification of various bridge construction methods. There are many engineering cases involving inclined piles in the construction of arch bridges, and underwater inclined piles are also common. Most of them are large-diameter inclined piles, and most of them are designed as full-section steel pipe inclined piles. , using full-section impact hole formin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/40E02D5/66
CPCE02D5/40E02D5/665E02D2250/0023
Inventor 金玲玲宋文利谢兰敏宋克备
Owner CHINA MCC17 GRP
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