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Deep steel sheet pile inclinometer pipe installation auxiliary device and construction method thereof

A technology for installation assistance and inclinometer tubes, which is applied in sheet pile walls, excavation, foundation structure engineering, etc., can solve the problems of out-of-synchronization deformation between inclinometer tubes and steel sheet piles, and achieve simple structure, strong practicability, and convenient construction Effect

Pending Publication Date: 2019-04-12
TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a deep steel sheet pile inclinometer pipe installation auxiliary device and its construction method. The device effectively solves the problem of out-of-sync deformation of the inclinometer pipe and the steel sheet pile, and ensures the monitoring results Accuracy, simple structure, convenient construction, strong practicability

Method used

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  • Deep steel sheet pile inclinometer pipe installation auxiliary device and construction method thereof
  • Deep steel sheet pile inclinometer pipe installation auxiliary device and construction method thereof
  • Deep steel sheet pile inclinometer pipe installation auxiliary device and construction method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0036] An auxiliary device for installing an inclinometer pipe of a deep steel sheet pile, comprising an inclinometer pipe 7 , a soil discharge pipe shoe 1 , a hoop 2 , and a top plate 3 .

[0037] The hoop 2 adopts an Ω-shaped hoop, and two arc-shaped flat irons 2-2 are welded inside the hoop body 2-1, and a groove 2 corresponding to the protrusion on the outer wall of the inclinometer pipe is reserved between the two arc-shaped flat irons 2-2 -4. The Ω-shaped hoop 2 is welded with the steel sheet pile 4 by its hoop ears 2-3 to form an integral structure.

[0038] The top plate 3 adopts a channel steel top plate, which is buckled on the top of the inclinometer pipe 7, one side is welded and fixed with the steel sheet pile 4, and the other side is inserted into the reserved seam on the top of the inclinometer pipe.

[0039] Each section of the inclinometer pipe 7 is connected by the pipe collar 5. During the installation process, the grooves 2-4 on the inner wall of the hoop 2...

Embodiment 2

[0043] The specific construction method of the installation auxiliary device for the inclinometer pipe of the deep steel sheet pile is as follows:

[0044] ① Weld the soil discharge pipe shoe 1 to the bottom of the central axis of the steel sheet pile 4;

[0045] ②Connect the inclinometer pipe to the predetermined length piece by piece with the pipe clamp 5, and cut a gap along the outer wall protrusion at the top of the inclinometer pipe 7 at the top section, and then insert the inclinometer pipe into the soil discharge pipe shoe 1;

[0046] ③ Fasten the Ω-shaped hoop 2 on the upper end surface of each section of pipe hoop 5, and rotate the inclinometer tube so that the grooves 2-4 on the inner wall of the Ω-shaped hoop 2 engage with the protrusions on the outer wall of the inclinometer tube;

[0047] ④ After welding and fixing the hoop ear 2-3 of each Ω-shaped hoop 2 with the steel sheet pile 4, buckle the channel steel top plate 3 on the top of the inclinometer pipe and wel...

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Abstract

The invention discloses a deep steel sheet pile inclinometer pipe installation auxiliary device and a construction method thereof. The deep steel sheet pile inclinometer pipe installation auxiliary device comprises a dumping pipe boot, a hoop and a top plate, two pieces of arc-shaped flat iron are welded in a hoop body of the hoop, a groove corresponding to a protrusion on the outer wall of an inclinometer pipe is reserved between the two pieces of arc-shaped flat iron, and the hoop and a steel sheet pile are welded into an integral structure by means of hoop ears; each section of inclinometerpipe is connected through a pipe hoop, the hoop is tightly contacted with the upper section of the pipe hoop, and a groove in the inner wall of the hoop is tightly meshed with the protrusion on the outer wall of the inclinometer pipe; and the top plate is fixedly arranged at the top of the inclinometer pipe and provides end resistance for the inclinometer pipe. The groove in the inner wall of thehoop is tightly meshed with the protrusion on the outer wall of the inclinometer pipe, and meanwhile, the end part of the inclinometer pipe is restrained and fixed by the top plate, so that when theinclinometer pipe is distorted and deformed along with a driving process of the steel sheet pile, a measuring groove is always vertical to the groove surface of the steel sheet pile, and the accuracyof a monitoring result is ensured; and the hoop is in close contact with the upper section of the pipe hoop, and meanwhile the inclinometer pipe is restrained by the top plate, so that the inclinometer pipe is prevented from moving upwards along with the lateral resistance of a soil body when the steel sheet pile is driven.

Description

technical field [0001] The invention belongs to the technical field of installation of inclinometer pipes, and in particular relates to an auxiliary device for installing inclinometer pipes of deep steel sheet piles and a construction method thereof. Background technique [0002] As the scale and depth of foundation pits continue to increase, corresponding support measures continue to appear. As a typical flexible support structure, steel sheet piles have gradually become popular in foundation pits in recent years due to their simple construction, short construction period, and recyclability. The field of pit support is widely used. [0003] Due to the complex engineering characteristics of the soil layer, irregular excavation construction, and the influence of other conditions such as unstable additional stress outside the pit, the steel sheet piles are deformed during the support process, and in severe cases, the instability may cause engineering accidents. During the exc...

Claims

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Application Information

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IPC IPC(8): E02D33/00E02D17/04E02D5/04
CPCE02D5/04E02D17/04E02D33/00
Inventor 王健尹长权李德强张帆袁方龙刘洪亮何树帆
Owner TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG
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