JP3075736B2 - Shaft construction method - Google Patents

Shaft construction method

Info

Publication number
JP3075736B2
JP3075736B2 JP02225425A JP22542590A JP3075736B2 JP 3075736 B2 JP3075736 B2 JP 3075736B2 JP 02225425 A JP02225425 A JP 02225425A JP 22542590 A JP22542590 A JP 22542590A JP 3075736 B2 JP3075736 B2 JP 3075736B2
Authority
JP
Japan
Prior art keywords
shaft
casing tube
excavating
ground
construction method
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.)
Expired - Fee Related
Application number
JP02225425A
Other languages
Japanese (ja)
Other versions
JPH04108994A (en
Inventor
万寿夫 川本
定親 水田
菊次 江川
則彦 藤村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Mitsubishi Heavy Industries Ltd
Nippon Telegraph and Telephone Corp
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 Mitsubishi Heavy Industries Ltd, Nippon Telegraph and Telephone Corp filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP02225425A priority Critical patent/JP3075736B2/en
Publication of JPH04108994A publication Critical patent/JPH04108994A/en
Application granted granted Critical
Publication of JP3075736B2 publication Critical patent/JP3075736B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は,地中に設けられる横坑の掘削や保守・点検
等に使用する立坑の造設工法に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a method for constructing a shaft used for excavation, maintenance and inspection, etc. of an underground shaft.

(従来の技術) 従来の立坑の造設工法を第3図により説明すると,第
3図(I)は小口径立坑の造設工法を示し,第3図(I
I)は大口径立坑の造設工法を示している。
(Prior Art) A conventional shaft construction method will be described with reference to FIG. 3. FIG. 3 (I) shows a method of constructing a small-diameter shaft, and FIG.
I) shows the construction method for large diameter shafts.

第3図(I)(II)において,(4)が地中に設けら
れるシールド坑等の横坑に連絡する連絡横坑,(6)が
コンクリート底盤,(7)が薬剤注入部,(16)がクレ
ーン,(17)がコンクリート製ヒユーム管またはセグメ
ント,(18)がアースドリル,(19)がケーソン,(2
0)がシヨベル,(21)がグラブバケツトである。
In FIGS. 3 (I) and (II), (4) is a connecting shaft that communicates with a shaft such as a shield shaft provided in the ground, (6) is a concrete bottom, (7) is a chemical injection section, and (16) ) Is a crane, (17) is a concrete humid pipe or segment, (18) is an earth drill, (19) is a caisson, (2)
(0) is a shovel and (21) is a grab bucket.

第3図(I)に示すように小口径の立坑を造設する場
合には,立坑造設部全域を薬剤注入部(7)により固め
る一方,アースドリル(18)により立坑を掘削し,立坑
の掘削面にコンクリート製ヒユーム管またはセグメント
(17)を設置して,立坑の側壁を形成し,立坑の下端部
にコンクリート底盤(6)を打設し,最後に連絡横坑
(4)を設けて,同連絡横坑(4)により立坑と横坑と
を連絡するようにしている。
When a small-diameter shaft is constructed as shown in FIG. 3 (I), the entire area of the shaft is hardened by the chemical injection section (7), while the shaft is excavated by the earth drill (18). A concrete humid pipe or segment (17) is installed on the excavated surface of the shaft, the side wall of the shaft is formed, a concrete bottom (6) is cast at the lower end of the shaft, and finally a connecting shaft (4) is installed. Therefore, the vertical shaft and the horizontal shaft are connected by the communication horizontal shaft (4).

また第3図(II)に示すように大口径の立坑を造設す
る場合には,立坑造設部全域を薬剤注入部(7)により
固める一方,シヨベル(20)とクラブバケツト(21)と
により立坑を掘削し,立坑の掘削面にケーソン(19)を
沈設して,立坑の側壁を形成し,立坑の下端部にコンク
リート底盤(6)を打設し,最後に連絡横坑(4)を設
けて,同連絡横坑(4)により立坑と横坑とを連絡する
ようにしている。
As shown in Fig. 3 (II), when constructing a large-diameter shaft, the entire area of the shaft is hardened by the chemical injection section (7), while the shovel (20) and the club bucket (21) are solidified. A shaft was excavated by the above method, a caisson (19) was laid down on the excavation surface of the shaft, the side wall of the shaft was formed, a concrete bottom (6) was cast at the lower end of the shaft, and finally a connecting shaft (4) ) Is provided so that the vertical shaft and the horizontal shaft are connected by the communication horizontal shaft (4).

(発明が解決しようとする課題) 前記第3図(I)に示すように小口径の立坑を造設す
る場合には,排土や崩壊防止に水を使用するため,大掛
かりな泥水設備が必要になる。またアースドリル(18)
が比較的柔らかい地盤を対象にしており,硬質地盤に
は,適用できない。さらに立坑側壁として建て込むコン
クリート製ヒユーム管またはセグメント(17)の組立て
に多くの手間が必要になる上に,養生に多くの時間が必
要になる。
(Problems to be Solved by the Invention) When a small-diameter shaft is constructed as shown in FIG. 3 (I), a large-scale muddy water facility is required because water is used for discharging and preventing collapse. become. Also earth drill (18)
Is intended for relatively soft ground, and cannot be applied to hard ground. In addition, assembling the concrete humid pipe or segment (17) to be built as the shaft side wall requires a lot of time and a lot of time for curing.

また第3図(II)に示すように大口径の立坑を造設す
る場合には,シヨベル(20)を内部に入れるため,安全
性が低い。またシヨベル(20)とクラブバケツト(21)
とを併用して立坑を掘削したり,ケーソン(19)を沈設
して,立坑の側壁を形成するため,工事期間が長くなる
上に,工事費も膨大になるという問題があった。
Also, when constructing a large-diameter shaft as shown in Fig. 3 (II), safety is low because the shovel (20) is inserted inside. In addition, Syobel (20) and club bucket (21)
In order to excavate the shaft or to lay down the caisson (19) to form the side wall of the shaft, there was a problem that the construction period was long and the construction cost was enormous.

本発明は前記の問題点に鑑み提案するものであり,そ
の目的とする処は,大掛かりな泥水設備も,併用される
シヨベル及びクラブバケツトも,ケーソンも不要で,工
事期間を短縮できる上に,工事費を低減できる立坑の造
設工法を提供しようとする点にある。
The present invention has been proposed in view of the above problems, and its object is to eliminate a large-scale muddy water facility, a combined use of a shovel and a club bucket, a caisson, and to shorten the construction period. In other words, the aim is to provide a method of constructing a shaft that can reduce construction costs.

(課題を解決するための手段) 上記の目的を達成するために,本発明の立坑の造設工
法は,地中に設けられる横坑の掘削や保守・点検等に使
用する立坑を造設するときに,打設機械によりケーシン
グチユーブをその軸線を中心に旋回若しくは反復揺動さ
せながら地中に圧入するとともに,同打設機械付属の掘
削機械により同ケーシングチユーブ内の土砂を掘削,排
土して,同ケーシングチユーブを所定深さまで圧入して
立坑を形成したら,立坑の深さに相当する長さの同ケー
シングチユーブを立坑の側壁部材として立坑内に残置す
ることを特徴としている。
(Means for Solving the Problems) In order to achieve the above object, the construction method of a shaft according to the present invention is to construct a shaft used for excavation, maintenance and inspection of a horizontal shaft provided in the ground. Occasionally, the casing tube is pressed into the ground while being swiveled or repeatedly swung about its axis by a casting machine, and the excavating machine attached to the casting machine excavates and discharges the earth and sand in the casing tube. When the casing tube is press-fitted to a predetermined depth to form a shaft, the casing tube having a length corresponding to the depth of the shaft is left in the shaft as a side wall member of the shaft.

(作用) 地中に設けられる横坑の掘削や保守・点検等に使用す
る立坑を造設するときに,打設機械によりケーシングチ
ユーブをその軸線を中心に旋回若しくは反復揺動させな
がら地中に圧入するとともに,同打設機械付属の掘削機
械により同ケーシングチユーブ内の土砂を掘削,排土し
て,同ケーシングチユーブを所定深さまで圧入して立坑
を形成したら,立坑の深さに相当する長さの同ケーシン
グチユーブを立坑の側壁部材として立坑内に残置する。
(Operation) When constructing a shaft for excavation, maintenance and inspection of a horizontal shaft installed in the ground, the casing tube is turned or repeatedly rocked about its axis by a casting machine, and After excavating the earth and sand in the casing tube with the excavating machine attached to the casting machine and excavating the soil, press-fitting the casing tube to the predetermined depth to form a shaft, the length corresponding to the depth of the shaft The casing tube is left as a side wall member of the shaft in the shaft.

(実施例) 次に本発明の立坑の造設工法を第1,2図に示す一実施
例により説明すると,第1図の(1)が既設横坑,
(2)がケーシングチユーブ,(3)が同ケーシングチ
ユーブ(2)の下端部に取付けたカツタビツト,(4)
が造設する立坑と上記既設横坑(1)とを連絡する連絡
横坑,(5)がコンクリートヒユーム管,(6)がコン
クリート底盤,(7)が連絡横坑(4)の周辺部(薬剤
注入部),第2図の(8)が打設機械本体,(9)が同
打設機械本体(8)に取付けた反力架台,(10)が上記
ケーシングチユーブ(2)をクランプする打設機械のク
ランプ装置,(11)が同クランプ装置(10)を軸受(1
2)により旋回可能に支持する旋回装置で,同旋回装置
(11)が上記打設機械本体(8)に昇降可能に支持され
ている。
(Example) Next, the construction method of a shaft according to the present invention will be described with reference to an embodiment shown in FIGS. 1 and 2. (1) in FIG.
(2) a casing tube; (3) a cutter bit attached to the lower end of the casing tube (2); (4)
(5) is a concrete humid pipe, (6) is a concrete bottom, and (7) is the periphery of the connecting shaft (4). (8) In FIG. 2, (8) is a driving machine main body, (9) is a reaction force mount attached to the driving machine main body (8), and (10) is a clamp for the casing tube (2). (11) has the same clamping device (10) as the bearing (1
The turning device is supported by the driving machine body (8) so as to be able to move up and down.

(13)が上記クランプ装置(10)を旋回させるための
旋回モータ,(14)が上記旋回装置(11)を昇降させる
ための押引シリンダで,同押引シリンダ(14)が上記旋
回装置(11)と上記打設機械本体(8)の下部との間に
介装されている。
(13) is a turning motor for turning the clamp device (10), and (14) is a push / pull cylinder for raising / lowering the turning device (11), and the push / pull cylinder (14) is the turning device ( It is interposed between 11) and the lower part of the driving machine body (8).

(16)がクレーン,(15)が同クレーン(16)により
昇降可能に吊り下げ支持されたグラブバケツト(掘削機
械)である。
(16) is a crane, and (15) is a grab bucket (digging machine) suspended and supported by the crane (16) so as to be able to move up and down.

地中に設けられた既設横坑(1)の掘削や保守・点検
等に使用する立坑を造設するときには,打設機械本体
(8)を立坑造設予定位置(地上)に設置し,次いでケ
ーシングチユーブ(2)を打設機械本体(8)のクラン
プ装置(10)によりクランプし,次いで旋回モータ(1
3)を起動し,その回転をケーシングチユーブ(2)に
伝えて,同ケーシングチユーブ(2)をその軸線を中心
に旋回(または同軸線を中心に反復揺動)させると同時
に,押引シリンダ(14)を縮み方向に作動して,旋回装
置(11)とクランプ装置(10)とケーシングチユーブ
(2)とを下降させ,同ケーシングチユーブ(2)を地
中に圧入する。その際,掘削対象地盤がたとえ硬い地盤
であっても,ケーシングチユーブ(2)の下端部に取付
けたカツタビツト(3)により容易に円筒状にカツトさ
れる。
When constructing a shaft to be used for excavation, maintenance and inspection of the existing horizontal shaft (1) installed underground, the casting machine body (8) is installed at the planned shaft construction position (ground), and then The casing tube (2) is clamped by the clamping device (10) of the casting machine body (8), and then the swing motor (1) is clamped.
3) is started, the rotation is transmitted to the casing tube (2), and the casing tube (2) is turned around its axis (or repeatedly rocked around the coaxial line), and at the same time, the push-pull cylinder ( 14) is actuated in the contraction direction to lower the turning device (11), the clamping device (10) and the casing tube (2), and press-fit the casing tube (2) into the ground. At this time, even if the ground to be excavated is hard ground, it is easily cut into a cylindrical shape by the cutter bit (3) attached to the lower end of the casing tube (2).

このとき,クレーン(16)を操作して,グラブバケツ
ト(15)を昇降させ,ケーシングチユーブ(2)内の土
砂を掘削,排土して,立坑を形成する。
At this time, the crane (16) is operated to raise and lower the grab bucket (15), excavate and excavate earth and sand in the casing tube (2) to form a shaft.

そして予定の深さの立坑が掘削されたら,立坑の深さ
に相当する長さのケーシングチユーブ(2)を立坑の側
壁部材として立坑内に残置し,必要に応じてケーシング
チユーブ(2)の内面にコンクリートヒユーム管(5)
を設置する。
When a shaft having a predetermined depth is excavated, the casing tube (2) having a length corresponding to the depth of the shaft is left in the shaft as a side wall member of the shaft, and if necessary, the inner surface of the casing tube (2) is removed. On concrete hyume pipe (5)
Is installed.

また予定の深さの立坑が造設されたら,既設横坑
(1)との連絡横坑(4)を掘削するが,その前に連絡
横坑(4)の周辺部(7)に薬剤を注入して,この部分
を止水しておく。
When a shaft with the planned depth is constructed, the connecting shaft (4) with the existing shaft (1) is excavated. Before that, the chemical is injected into the peripheral part (7) of the connecting shaft (4). Inject and let this part stop water.

(発明の効果) 本発明の立坑の造設工法は前記のように地中に設けら
れる横坑の掘削や保守・点検等に使用する立坑を造設す
るときに,打設機械によりケーシングチユーブをその軸
線を中心に旋回若しくは反復揺動させながら地中に圧入
するとともに,同打設機械付属の掘削機械により同ケー
シングチユーブ内の土砂を掘削,排土して,同ケーシン
グチユーブを所定深さまで圧入して立坑を形成したら,
立坑の深さに相当する長さの同ケーシングチユーブを立
坑の側壁部材として立坑内に残置するので,前記従来の
立坑造設工法で必要としていた大掛かりな泥水設備も,
コンクリート製ヒユーム管またはセグメントも,併用さ
れるシヨベル及びクラブバケツトも,ケーソンも不要
で,工事期間を短縮できる上に,工事費を低減できる。
(Effect of the Invention) According to the construction method of the shaft according to the present invention, when constructing a shaft used for excavation, maintenance and inspection, etc. of a horizontal shaft provided in the ground as described above, the casing tube is cast by a casting machine. Pressing into the ground while turning or repeatedly swinging about the axis, excavating and discharging the soil in the casing tube with the excavating machine attached to the casting machine, and pressing the casing tube to the specified depth. To form a shaft,
Since the casing tube having a length corresponding to the depth of the shaft is left inside the shaft as a side wall member of the shaft, the large-scale muddy water equipment required in the conventional shaft construction method is also required.
There is no need for concrete humid pipes or segments, combined shovels and club buckets, and no caisson, shortening the construction period and reducing construction costs.

【図面の簡単な説明】 第1図は本発明の造設工法により造設される立坑の一例
を示す斜視図,第2図は本発明の立坑造設工法の実施に
適用される打設機械の構成例を示す斜視図,第3図
(I)は従来の小口径立坑の造設工法を示す説明図,第
3図(II)は従来の大口径立坑の造設工法を示す説明図
である。 (1)……既設横坑,(2)……ケーシングチユーブ,
(3)……カツタビツト,(4)……連絡横坑,(5)
……コンクリートヒユーム管,(6)……コンクリート
底盤,(7)……薬剤注入部,(8)……打設機械本
体,(9)……反力架台,(10)……クランプ装置,
(11)……旋回装置,(12)……軸受,(13)……旋回
モータ,(14)……押引シリンダ,(15)……グラブバ
ケツト(掘削機械),(16)……クレーン。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an example of a shaft constructed by the construction method of the present invention, and FIG. 2 is a casting machine applied to implement the shaft construction method of the present invention. FIG. 3 (I) is an explanatory view showing a conventional method for constructing a small-diameter shaft, and FIG. 3 (II) is an explanatory view showing a conventional method for constructing a large-diameter shaft. is there. (1) ... existing shaft, (2) ... casing tube,
(3)… Katatsubitto, (4)… connecting shaft, (5)
… Concrete tubing, (6)… concrete bottom, (7)… chemical injection part, (8)… casting machine body, (9)… reaction force stand, (10)… clamping device ,
(11) ... Slewing device, (12) ... Bearing, (13) ... Slewing motor, (14) ... Push / pull cylinder, (15) ... Grab bucket (digging machine), (16) ... Crane.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 水田 定親 兵庫県神戸市兵庫区和田崎町1丁目1番 1号 三菱重工業株式会社神戸造船所内 (72)発明者 江川 菊次 兵庫県神戸市兵庫区和田崎町1丁目1番 1号 三菱重工業株式会社神戸造船所内 (72)発明者 藤村 則彦 兵庫県高砂市荒井町新浜2丁目1番1号 三菱重工業株式会社高砂研究所内 (56)参考文献 特開 昭61−191798(JP,A) ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Sadachika Mizuta 1-1-1, Wadazakicho, Hyogo-ku, Hyogo-ku, Kobe-shi, Hyogo Mitsubishi Heavy Industries, Ltd. 1-1-1, Wadazakicho, Ward Kobe Shipyard, Mitsubishi Heavy Industries, Ltd. (72) Inventor Norihiko Fujimura 2-1-1, Shinhama, Arai-machi, Takasago-shi, Hyogo Pref. Takasago Research Laboratory, Mitsubishi Heavy Industries, Ltd. (56) References JP 61-191798 (JP, A)

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】地中に設けられる横坑の掘削や保守・点検
等に使用する立坑を造設するときに,打設機械によりケ
ーシングチユーブをその軸線を中心に旋回若しくは反復
揺動させながら地中に圧入するとともに,同打設機械付
属の掘削機械により同ケーシングチユーブ内の土砂を掘
削,排土して,同ケーシングチユーブを所定深さまで圧
入して立坑を形成したら,立坑の深さに相当する長さの
同ケーシングチユーブを立坑の側壁部材として立坑内に
残置することを特徴とした立坑の造設工法。
When a vertical shaft is used for excavation, maintenance, and inspection of a horizontal shaft provided in the ground, the casing tube is turned or repeatedly swung about its axis by a driving machine. When excavating the earth and sand inside the casing tube with the excavating machine attached to the casting machine and excavating the soil, and then press-fitting the casing tube to the specified depth to form a shaft, it corresponds to the depth of the shaft. A vertical length of the casing tube as a side wall member of the shaft, which is left inside the shaft.
JP02225425A 1990-08-29 1990-08-29 Shaft construction method Expired - Fee Related JP3075736B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP02225425A JP3075736B2 (en) 1990-08-29 1990-08-29 Shaft construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02225425A JP3075736B2 (en) 1990-08-29 1990-08-29 Shaft construction method

Publications (2)

Publication Number Publication Date
JPH04108994A JPH04108994A (en) 1992-04-09
JP3075736B2 true JP3075736B2 (en) 2000-08-14

Family

ID=16829172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP02225425A Expired - Fee Related JP3075736B2 (en) 1990-08-29 1990-08-29 Shaft construction method

Country Status (1)

Country Link
JP (1) JP3075736B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07238776A (en) * 1994-03-01 1995-09-12 Nippon Sharyo Seizo Kaisha Ltd Shaft reverse excavating method and tubing device
JP2635934B2 (en) * 1994-07-06 1997-07-30 日本コムシス株式会社 Shaft construction method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61191798A (en) * 1985-02-19 1986-08-26 株式会社コプロス Formation of arrival vertical pit

Also Published As

Publication number Publication date
JPH04108994A (en) 1992-04-09

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