JPH1037180A - How to build a continuous underground wall - Google Patents
How to build a continuous underground wallInfo
- Publication number
- JPH1037180A JPH1037180A JP20918996A JP20918996A JPH1037180A JP H1037180 A JPH1037180 A JP H1037180A JP 20918996 A JP20918996 A JP 20918996A JP 20918996 A JP20918996 A JP 20918996A JP H1037180 A JPH1037180 A JP H1037180A
- Authority
- JP
- Japan
- Prior art keywords
- underground wall
- casing
- constructing
- continuous
- drilling
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims abstract description 5
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 11
- 239000004575 stone Substances 0.000 description 2
- 101001031591 Mus musculus Heart- and neural crest derivatives-expressed protein 2 Proteins 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
(57)【要約】
【課題】 本発明は、地中障害物の除去と連続地中壁の
構築を同時に行うことができる連続地中壁の構築方法を
提供することを課題とする。
【解決手段】 上記課題を解決するための手段として、
本発明は、ケ−シングを取り付けた削孔機により所定の
間隔をおいて削孔を行う工程と、ケ−シングを残して削
孔機を引き上げた後にケ−シング内に鋼管を建て込む工
程と、削孔内に固化材を充填しながらケ−シングを引き
抜く工程と、固化材の固化工程とにより先行杭を構築し
た後、先行杭の間に、両隣の先行杭とラップさせて上記
工程を繰り返して後行杭を構築することによって、連続
柱列状の地中壁を構築することを特徴とした、連続地中
壁の構築方法を提供する。また、前記削孔機には、油圧
ハンマ−ドリル等の削岩機能を有するものを用いて、地
中障害物の除去と連続地中壁の構築とを同時に行えるよ
う構成したことを特徴とする、連続地中壁の構築方法を
提供する。
(57) [Summary] An object of the present invention is to provide a method of constructing a continuous underground wall capable of simultaneously removing an underground obstacle and constructing a continuous underground wall. SOLUTION: As means for solving the above problems,
The present invention relates to a step of drilling holes at predetermined intervals by a drilling machine with a casing, and a step of erecting a steel pipe into the casing after raising the drilling machine while leaving the casing. And a step of drawing out the casing while filling the solidified material in the drilled hole and a step of solidifying the solidified material. A continuous pillar-shaped underground wall is constructed by repeatedly performing the following steps to construct a continuous underground wall. Further, the drilling machine has a rock drilling function such as a hydraulic hammer-drill, and is configured so that removal of an underground obstacle and construction of a continuous underground wall can be simultaneously performed. , A method of constructing a continuous underground wall.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は連続地中壁の構築方
法に関するものである。TECHNICAL FIELD The present invention relates to a method for constructing a continuous underground wall.
【０００２】[0002]
【発明が解決しようとする課題】従来の連続地中壁の構
築方法としては、ＳＭＷ工法と呼ばれる工法等が存在す
るが、この工法は、地中の障害物（コンクリ−ト塊や石
塊等）への適応性が乏しい。そこで、地中障害物の除去
と連続地中壁の構築を同時に行える方法が希求されてい
る。As a conventional method of constructing a continuous underground wall, there is a construction method called an SMW construction method. However, this construction method employs an underground obstacle (such as a concrete block or a stone block). Poor adaptability to). Therefore, there is a need for a method that can simultaneously remove an underground obstacle and construct a continuous underground wall.
【０００３】[0003]
【発明の目的】本発明は、上記のような問題点を解決す
るためになされたもので、地中障害物の除去と連続地中
壁の構築を同時に行うことができる連続地中壁の構築方
法を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to construct a continuous underground wall capable of simultaneously removing an underground obstacle and constructing a continuous underground wall. The aim is to provide a method.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決するため
の手段として、本発明は、ケ−シングを取り付けた削孔
機により所定の間隔をおいて削孔を行う工程と、ケ−シ
ングを残して削孔機を引き上げた後にケ−シング内に鋼
管を建て込む工程と、削孔内に固化材を充填しながらケ
−シングを引き抜く工程と、固化材の固化工程とにより
先行杭を構築した後、先行杭の間に、両隣の先行杭とラ
ップさせて上記工程を繰り返して後行杭を構築すること
によって、連続柱列状の地中壁を構築することを特徴と
した、連続地中壁の構築方法を提供する。As a means for solving the above-mentioned problems, the present invention provides a step of drilling holes at predetermined intervals by a drilling machine equipped with a casing, and the steps of: Construction of the leading pile by the process of erecting the steel pipe in the casing after raising the drilling machine while leaving it, the process of extracting the casing while filling the drilling hole with the solidified material, and the process of solidifying the solidified material Then, between the preceding piles, by wrapping with the preceding piles on both sides and repeating the above process to construct the succeeding piles, a continuous pillar-column-shaped underground wall was constructed, Provide a method of constructing the inner wall.
【０００５】また、前記削孔機には、油圧ハンマ−ドリ
ル等の削岩機能を有するものを用いて、地中障害物の除
去と連続地中壁の構築とを同時に行えるよう構成したこ
とを特徴とする、連続地中壁の構築方法を提供する。以
下、図を参照しながら、本発明の一実施の形態について
説明する。[0005] Further, the drilling machine having a rock drilling function such as a hydraulic hammer drill is used to remove underground obstacles and construct a continuous underground wall at the same time. A method for constructing a continuous underground wall is provided. Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
【０００６】[0006]
＜イ＞削孔 スクリュ−オ−ガ等の削孔機１にケ−シング２を外装し
て削孔を行う。ケ−シング２は削孔とほぼ等しい長さの
ものを使用する。削孔は、所定の間隔をおいて連続地中
壁の水平方向の全長に亘って行う。このようにケ−シン
グ２を外装して削孔を行うことにより、孔壁の崩壊を防
止できると共に、削孔作業を迅速かつ簡便に行うことが
できる。<A> Drilling The drilling is performed by mounting the casing 2 on a drilling machine 1 such as a screw auger. The casing 2 has a length substantially equal to the length of the hole. Drilling is performed at predetermined intervals over the entire horizontal length of the continuous underground wall. By drilling the exterior of the casing 2 in this way, the collapse of the hole wall can be prevented, and the drilling operation can be performed quickly and easily.
【０００７】削孔機１に、低騒音、低振動の油圧ハンマ
−ドリル等の削岩機能を有するものを用いれば、地中障
害物（コンクリ−ト塊や石塊等）を破砕除去しながら連
続地中壁の構築を行うことができる。If a drilling machine 1 having a rock drilling function such as a low-noise, low-vibration hydraulic hammer drill is used as the drilling machine 1, an underground obstacle (such as a concrete block or a stone block) is crushed and removed. A continuous underground wall can be constructed.
【０００８】＜ロ＞鋼管の建て込み ケ−シング２を残して削孔機１を引き上げた後に、ケ−
シング２内に、小孔径かつ極厚の鋼管３を建て込む。鋼
管３は削孔とほぼ等しい長さを有し、かつケ−シング２
の内径より小さい外径を有するものを使用する。<B> Installation of steel pipe After drilling the drilling machine 1 while leaving the casing 2, the casing
A steel pipe 3 having a small hole diameter and an extremely thick diameter is built in the thing 2. The steel pipe 3 has a length substantially equal to the drilled hole and the casing 2
Use an outer diameter smaller than the inner diameter.
【０００９】＜ハ＞固化材の充填 各ケ−シング２内に鋼管３を建て込んだ後に、鋼管３の
内外の削孔内全体にセメントミルク等の固化材４を充填
しながらケ−シング２を引き抜く。他の削孔内にも同様
に固化材４を充填し、固化させて、図２に示すような先
行杭５群を構築する。<C> Filling of the solidified material After the steel pipes 3 are built in the respective casings 2, the solidified material 4 such as cement milk is filled into the entire inside and outside of the drilled holes of the steel pipes 3. Pull out. The solidification material 4 is similarly filled in other drilled holes and solidified to construct a group of preceding piles 5 as shown in FIG.
【００１０】＜ニ＞後行杭の構築 先行杭５群を構築した後、図２に示すように、先行杭５
群の間に、両隣の先行杭５とラップさせて後行杭６を構
築する。後行杭６の構築は、上記の先行杭５の構築工程
と同様に行う。そして、図２に示すように、先行杭５と
後行杭６が連続して構築されることによって、連続柱列
状の地中壁を構築することができる。また、図３に示す
ような多段式連続柱列状の地中壁を構築することもでき
る。<D> Construction of trailing stake After the group of leading stakes 5 has been constructed, as shown in FIG.
Between the groups, a trailing pile 6 is constructed by wrapping the leading pile 5 on both sides. The construction of the trailing pile 6 is performed in the same manner as the construction step of the preceding pile 5 described above. Then, as shown in FIG. 2, by continuously constructing the leading pile 5 and the trailing pile 6, it is possible to construct a continuous pillar-shaped underground wall. Also, a multi-stage continuous column-shaped underground wall as shown in FIG. 3 can be constructed.
【００１１】[0011]
【発明の効果】本発明は以上説明したように、削孔機に
油圧ハンマ−ドリル等の削岩機能を有するものを用いる
ことによって、地中障害物の除去と連続地中壁の構築と
を同時に行うことができるため、施工能率の向上を図る
ことができる。As described above, according to the present invention, by using a drilling machine having a rock drilling function such as a hydraulic hammer drill, the removal of underground obstacles and the construction of a continuous underground wall can be achieved. Since they can be performed at the same time, the construction efficiency can be improved.
【図１】 本発明の施工手順の説明図FIG. 1 is an explanatory view of a construction procedure of the present invention.
【図２】 本発明の連続地中壁の完成状態の平面図FIG. 2 is a plan view showing a completed underground wall according to the present invention;
【図３】 本発明の連続地中壁の完成状態の平面図FIG. 3 is a plan view showing a completed underground wall according to the present invention;
Claims (2)
定の間隔をおいて削孔を行う工程と、 ケ−シングを残して削孔機を引き上げた後にケ−シング
内に鋼管を建て込む工程と、 削孔内に固化材を充填しながらケ−シングを引き抜く工
程と、 固化材の固化工程とにより先行杭を構築した後、 先行杭の間に、両隣の先行杭とラップさせて上記工程を
繰り返して後行杭を構築することによって、 連続柱列状の地中壁を構築することを特徴とした、 連続地中壁の構築方法。1. A step of drilling holes at predetermined intervals by a drilling machine with a casing, and after elevating the drilling machine while leaving the casing, a steel pipe is built in the casing. After constructing the leading pile by the process, the step of extracting the casing while filling the drilling with the solidified material, and the step of solidifying the solidified material, wrap the preceding piles on both sides between the preceding piles and A method of constructing a continuous underground wall, comprising constructing a continuous pillar-shaped underground wall by repeating a process to construct a trailing pile.
において、前記削孔機には、油圧ハンマ−ドリル等の削
岩機能を有するものを用いて、地中障害物の除去と連続
地中壁の構築とを同時に行えるよう構成したことを特徴
とする、連続地中壁の構築方法。2. The method for constructing a continuous underground wall according to claim 1, wherein said drilling machine has a rock drilling function such as a hydraulic hammer drill to remove underground obstacles. A method for constructing a continuous underground wall, wherein the method is configured to be able to simultaneously construct a continuous underground wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20918996A JPH1037180A (en) | 1996-07-19 | 1996-07-19 | How to build a continuous underground wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20918996A JPH1037180A (en) | 1996-07-19 | 1996-07-19 | How to build a continuous underground wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1037180A true JPH1037180A (en) | 1998-02-10 |
Family
ID=16568831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20918996A Pending JPH1037180A (en) | 1996-07-19 | 1996-07-19 | How to build a continuous underground wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1037180A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7776415B2 (en) | 2003-10-03 | 2010-08-17 | Kureha Corporation | Stretch-formed multilayer container and production process for the same |
| JP2019019633A (en) * | 2017-07-20 | 2019-02-07 | 株式会社技研製作所 | Construction method of continuous underground wall and steel pipe pile |
| KR20190062809A (en) * | 2017-11-29 | 2019-06-07 | 한요섭 | Cantilever Earth Retaining Wal1 Construction Method Using PHC Pile And Key Block |
-
1996
- 1996-07-19 JP JP20918996A patent/JPH1037180A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7776415B2 (en) | 2003-10-03 | 2010-08-17 | Kureha Corporation | Stretch-formed multilayer container and production process for the same |
| JP2019019633A (en) * | 2017-07-20 | 2019-02-07 | 株式会社技研製作所 | Construction method of continuous underground wall and steel pipe pile |
| KR20190062809A (en) * | 2017-11-29 | 2019-06-07 | 한요섭 | Cantilever Earth Retaining Wal1 Construction Method Using PHC Pile And Key Block |
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|---|---|---|---|
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Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20050909 |
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| A131 | Notification of reasons for refusal |
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