KR970075129A - Ground strengthening method and ground strengthening injection device - Google Patents

Ground strengthening method and ground strengthening injection device Download PDF

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Publication number
KR970075129A
KR970075129A KR1019960018369A KR19960018369A KR970075129A KR 970075129 A KR970075129 A KR 970075129A KR 1019960018369 A KR1019960018369 A KR 1019960018369A KR 19960018369 A KR19960018369 A KR 19960018369A KR 970075129 A KR970075129 A KR 970075129A
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KR
South Korea
Prior art keywords
nozzle
nuclear
injection device
injecting
ground strengthening
Prior art date
Application number
KR1019960018369A
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Korean (ko)
Inventor
신박문
Original Assignee
신박문
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 신박문 filed Critical 신박문
Priority to KR1019960018369A priority Critical patent/KR970075129A/en
Publication of KR970075129A publication Critical patent/KR970075129A/en

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  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

본 발명은 지반강화공법 및 지반강화용 주입장치에 관한 것으로서, 본 공법은 핵노즐부와 포위노즐부로 각각 이루어진 측방분사용 상부이중노즐과 하부이중노즐을 갖는 삼중관주입장치를 이용한 지반강화공법에 있어서, 상부이중노즐의 핵노즐부를 통해 청수를 분사하고 포위노즐부를 통해 공기를 분사하여 상기 주입장치를 굴진하강시키는 단계와, 상부이중노즐의 핵노즐부를 통해 청수를 분사하고 포위노즐부를 통해 공기를 분사하는 동시에, 하부이중노즐의 핵노즐부를 통해 경화제를 분사하고 포위노즐부를 통해 공기를 분사하며 상기 주입장치를 상승시키는 단계를 포함하는 것을 특징으로 한다. 이에 의해 비교적 침투성이 낮은 예를 들어 점토성의 지반인 경우에도 효과적으로 확공하여 충분한 경화층을 형성할 수 있게 된다는 효과가 제공된다.The present invention relates to a ground strengthening method and a ground strengthening injection device. Injecting fresh water through the nuclear nozzle portion of the upper double nozzle and injecting air through the surrounding nozzle portion to drive down the injection device, and spraying fresh water through the nuclear nozzle portion of the upper double nozzle and through the air surrounding the nozzle portion And simultaneously spraying the curing agent through the nuclear nozzle portion of the lower double nozzle, spraying the air through the surrounding nozzle portion, and raising the injection device. This provides an effect of being able to effectively expand and form a sufficient hardened layer even in the case of clay ground having a relatively low permeability, for example.

Description

지반강화공법 및 지반강화용 주입장치Ground strengthening method and ground strengthening injection device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 지반강화공법을 설명하는 굴진과정을 나타낸 개략적 측면도, 제2도는 주입장치상승 과정을 나타낸 개략적 측면도, 제3도는 본 발명에 따른 주입관의 파단측단도이다.1 is a schematic side view showing the excavation process for explaining the ground strengthening method according to the present invention, Figure 2 is a schematic side view showing the injection device lifting process, Figure 3 is a broken side cross-sectional view of the injection pipe according to the present invention.

Claims (3)

핵노즐부와 포위노즐부로 각각 이루어진 측방분사용 상부이중노즐과 하부이중노즐을 갖는 삼중관주입장치를 이용한 지반강화공법에 있어서, 상기 상부이중노즐과 상기 하부이중노즐 중 어느 하나의 핵노즐부를 통해 청수를 분사하고 포위노즐부를 통해 공기를 분사하면서 상기주입장치를 굴진하강시키는 단계와, 상기 상부이중노즐의 핵노즐부를 통해 청수를 분사하고 포위노즐부를 통해 공기를 분사하는 동시에, 상기 하부이중노즐의 핵노즐부를 통해 경화제를 분사하고 포위노즐부를 통해 공기를 분사하여 상기 주입장치를 상승시키는 단계를 포함하는 것을 특징으로 하는 지반강화공법.In the ground strengthening method using a triple pipe injection device having a lateral injection upper double nozzle and a lower double nozzle each consisting of a nuclear nozzle part and a surrounding nozzle part, the nuclear nozzle part of any one of the upper double nozzle and the lower double nozzle is provided. Spraying fresh water and injecting and lowering the injection device while injecting air through the enclosing nozzle unit; spraying fresh water through the nuclear nozzle unit of the upper double nozzle and injecting air through the enclosing nozzle unit; And a step of raising the injection device by injecting a hardener through a nuclear nozzle part and injecting air through the surrounding nozzle part. 제1항에 있어서, 상기 주입장치는 선단부에 축방향 분사용 선단노즐을 더 포함하여, 상기굴진하강단계에서 상기 선단노즐을 통해 청수를 분사하는 것을 특징으로 하는 지반강화공법.The ground strengthening method of claim 1, wherein the injection device further includes a tip nozzle for axial injection at the tip portion, injecting fresh water through the tip nozzle in the drilling lowering step. 지반강화용 주입장치에 있어서, 선단부에 축방향으로 개구된 선단노즐과, 상기 선단노즐의 상부에 측방분사가능하도록 순차 설치되며 핵노즐부와 포위노즐부를 갖는 상부이중노즐 및 하부이중노즐과, 상기 선단노즐과 상기 하부이중노즐의 핵노즐부에 연통하는 제1공급관과, 상기 상부이중노즐의 핵노즐부에 연통하는 제2공급관과, 상기 하부이중노즐 및 상기상부이중노즐의 사이에 배치되어 양 이중노즐의 포위노즐부에 연통하는 공기실과, 상기 공기실에 압축공기를 제공하는 제3공급관을 갖는 것을 특징으로 하는 지반강화용 주입장치.In the ground strengthening injection device, the front end nozzle which is axially opened in the distal end portion, the upper double nozzle and the lower double nozzle having a nuclear nozzle portion and the enclosing nozzle and sequentially installed so as to enable side injection on the upper end nozzle; A first supply pipe communicating with the tip nozzle and the nuclear nozzle part of the lower double nozzle, a second supply pipe communicating with the nuclear nozzle part of the upper double nozzle, and disposed between the lower double nozzle and the upper double nozzle. And an air chamber communicating with the surrounding nozzle portion of the double nozzle and a third supply pipe for providing compressed air to the air chamber. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960018369A 1996-05-28 1996-05-28 Ground strengthening method and ground strengthening injection device KR970075129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960018369A KR970075129A (en) 1996-05-28 1996-05-28 Ground strengthening method and ground strengthening injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960018369A KR970075129A (en) 1996-05-28 1996-05-28 Ground strengthening method and ground strengthening injection device

Publications (1)

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KR970075129A true KR970075129A (en) 1997-12-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100322314B1 (en) * 1998-05-09 2002-04-17 와타루 나카니시 Method for creating ground hardened layer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100322314B1 (en) * 1998-05-09 2002-04-17 와타루 나카니시 Method for creating ground hardened layer

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E601 Decision to refuse application