JP3056061B2 - Continuous groove forming method and temporary fixing wall for continuous groove excavator - Google Patents

Continuous groove forming method and temporary fixing wall for continuous groove excavator

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Publication number
JP3056061B2
JP3056061B2 JP8000996A JP99696A JP3056061B2 JP 3056061 B2 JP3056061 B2 JP 3056061B2 JP 8000996 A JP8000996 A JP 8000996A JP 99696 A JP99696 A JP 99696A JP 3056061 B2 JP3056061 B2 JP 3056061B2
Authority
JP
Japan
Prior art keywords
temporary fixing
wall
groove
excavator
sheet pile
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 - Lifetime
Application number
JP8000996A
Other languages
Japanese (ja)
Other versions
JPH09184134A (en
Inventor
中川　　彰
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP8000996A priority Critical patent/JP3056061B2/en
Publication of JPH09184134A publication Critical patent/JPH09184134A/en
Application granted granted Critical
Publication of JP3056061B2 publication Critical patent/JP3056061B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は崩壊の著しい地山の
溝掘削方法及びそれに好適な仮止め壁に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for excavating a trench in a ground where remarkable collapse occurs, and a temporary fixing wall suitable for the method.

【０００２】[0002]

【従来の技術】特開平４−３００２９号公報「連続溝掘
削機」の第３図に記載の連続溝掘削機を次図で再掲（符
号は振り直した。）する。図６は従来の連続溝掘削機の
背面図であり、連続溝掘削機１００は、クローラ車の左
・右のクローラ１０１，１０１間に掻き爪付きスラッタ
ーコンベア１０２を配置し、このスラッターコンベア１
０２で土砂を掻き上げて、矩形断面の溝１０３を掘削す
る装置である。一定の速度でクローラ車を（図の表から
裏へ）前進させつつ溝１０３を切ることができるので作
業効率がよい。2. Description of the Related Art The continuous trench excavator shown in FIG. 3 of Japanese Patent Laid-Open Publication No. Hei 4-30029, "Continuous Groove Excavator" is shown again in the following figure (the reference numerals are renumbered). FIG. 6 is a rear view of a conventional continuous groove excavator. In a continuous groove excavator 100, a slutter conveyor 102 with a claw is disposed between left and right crawlers 101, 101 of a crawler vehicle. 1
02 is a device for excavating a trench 103 having a rectangular cross section by scraping up the earth and sand. Since the groove 103 can be cut while moving the crawler wheel at a constant speed (from the front to the back in the figure), the working efficiency is high.

【０００３】[0003]

【発明が解決しようとする課題】図７（ａ），（ｂ）は
崩壊しやすい地山における溝掘削の説明図であり、地山
が崩壊しやすいものにおいて、上記連続溝掘削機１００
で溝１０３を掘ると、直後に（ａ）に／／／で示した部
分が崩壊して、溝１０３の形状が崩れると共に底に土砂
が溜まるという不都合が発生する。そこで、地山の崩壊
が予想される場合には、（ｂ）に示すとおり予め土留鋼
矢板１０５，１０５を打設しておいてから、掘削を行な
っていた。土留鋼矢板１０５，１０５は連続溝掘削機１
００のスラッターコンベアと干渉せぬように離して打設
しなければならない。FIGS. 7 (a) and 7 (b) are illustrations of trench excavation in a ground that is easily collapsed.
When the groove 103 is dug in step (a), the portion indicated by /// in (a) collapses immediately, causing a problem that the shape of the groove 103 collapses and sediment accumulates at the bottom. Therefore, when the collapse of the ground is anticipated, excavation has been performed after previously driving the earth retaining sheet piles 105, 105 as shown in (b). Earth retaining sheet piles 105, 105
It must be cast away so as not to interfere with the 00 slutter conveyor.

【０００４】即ち、（ａ）では山留めを行なった後に再
掘削しなければならない。（ｂ）では土留鋼矢板１０
５，１０５の内側の土砂（図での想像線１０３と矢板１
０５との間の土砂）が崩壊する。この崩壊土砂を再掘削
しなければならず、（ａ），（ｂ）とも工期の長期化及
び工費の高騰が避けられない。そこで、本発明の目的
は、土留鋼矢板を打設せずに崩壊を防ぐことのできる装
置を提供することにある。That is, in (a), after excavation is performed, re-excavation must be performed. (B) shows soil retaining sheet pile 10
5,105 inner soil (Imaginary line 103 and sheet pile 1 in the figure)
05) and collapse. This collapsed earth and sand must be re-excavated, and both (a) and (b) inevitably increase the construction period and increase construction costs. Therefore, an object of the present invention is to provide an apparatus that can prevent collapse without driving a pile of earth retaining steel sheet pile.

【０００５】[0005]

【課題を解決するための手段】上記課題を解決するため
に請求項１は、側壁部と底部と矢板打込み部とを備えた
仮止め壁を、連続溝掘削機の後部に連結し、連続溝掘削
機の掻き爪の付いた傾斜コンベアを回動させつつ前進さ
せることで連続的に溝を掘削し、直後にこの溝の側壁の
崩壊を仮止め壁の側壁部で抑え、仮止め壁部の底部で溝
の底をならし、仮止め壁の後部の矢板打込み部において
矢板を打込んで、溝を形成する。傾斜コンベアで掘削し
た後から矢板を打込むまでの間を、仮止め壁で抑えるの
で地山の崩壊を防ぐことができ、再掘削を必要としない
ので掘削作業が効率よく実施できる。In order to solve the above-mentioned problems, a first aspect of the present invention comprises a side wall, a bottom, and a sheet pile driving portion.
Connect the temporary fixing wall to the back of the continuous trench excavator,
The groove is continuously excavated by rotating and moving the inclined conveyor with the scraping claw of the machine, and immediately after this, the collapse of the side wall of this groove is suppressed by the side wall of the temporary fixing wall, and the bottom of the temporary fixing wall is With groove
Leveling the bottom, it is implanted sheet pile at the rear of the sheet pile driving portion of the temporarily fixed wall to form grooves. A temporary fixing wall is used to suppress the ground from excavation on the inclined conveyor to driving the sheet pile, thereby preventing collapse of the ground, and excavation work can be performed efficiently because re-excavation is not required.

【０００６】請求項２は、掻き爪の付いた傾斜コンベア
を回動させつつ前進させることで連続的に地面を掘削す
る連続溝掘削機の後部に連結して使用する仮止め壁であ
って、この仮止め壁を、掘削した直後の溝の側壁の崩れ
を防ぐ側壁部と、溝の底をならす底部と、後部の矢板打
込み部とで構成し、この矢板打込み部は、前記側壁部よ
りも矢板打込み代だけ中央に寄せた側壁部を備えること
を特徴する。仮止め壁は連続溝掘削機で引き回す。この
仮止め壁で地山の崩壊を防ぐとともに溝の底をならすこ
とで、溝の形状を整える。矢板打込み代だけ中央に寄せ
た矢板打込み部で矢板を打込む。従って、再掘削を必要
としないので掘削作業が効率よく実施できる。A second aspect of the present invention is a temporary fixing wall which is used in connection with a rear portion of a continuous groove excavator for continuously excavating the ground by rotating and moving an inclined conveyor with a claw, and The temporary fixing wall is composed of a side wall portion for preventing collapse of the side wall of the groove immediately after excavation, a bottom portion for leveling the bottom of the groove, and a rear sheet pile driving section.
Provide side walls that are centered just for the cost of driving
It is characterized. The temporary wall is routed with a continuous trench excavator. The temporary fixing wall prevents the collapse of the ground and smoothes the bottom of the groove, thereby adjusting the shape of the groove. Centered on the sheet pile driving fee
The sheet pile is driven at the sheet pile driving section. Therefore, since re-excavation is not required, excavation work can be efficiently performed.

【０００７】請求項３は、前記側壁部の前部を傾斜コン
ベアに接近させるために略三角壁としたことを特徴とす
る。仮止め壁が傾斜コンベアに近接しているので、掘削
直後の溝の側壁を直ちに抑えることができる。According to a third aspect of the present invention, the front portion of the side wall portion is formed as a substantially triangular wall so as to approach the inclined conveyor. Since the temporary fixing wall is close to the inclined conveyor, the side wall of the groove immediately after excavation can be immediately suppressed.

【０００８】請求項４は、前記仮止め壁を長手方向に複
数個に分割し、それらをピンを介して連結して水平蛇行
可能な構成としたことを特徴とする。水平蛇行可能とし
たので、直線溝のみならず、曲線溝の掘削工事に有効で
ある。According to a fourth aspect of the present invention, the temporary fixing wall is divided into a plurality of pieces in the longitudinal direction, and these are connected via pins so as to be capable of horizontal meandering. Since horizontal meandering is possible, it is effective for excavation work not only for straight grooves but also for curved grooves.

【０００９】[0009]

【発明の実施の形態】本発明の実施の形態を添付図に基
づいて以下に説明する。なお、図面は符号の向きに見る
ものとする。図１は本発明に係る連続溝掘削機用仮止め
壁の平面図であり、連続溝掘削機用仮止め壁１（以下
「仮止め壁１」と略記する。）は、第１ブロック１０
と、第２ブロック２０と、矢板打込み部としての第３ブ
ロック３０とを直列に繋いだものである。第１ブロック
１０は、左右（図では上下）の側壁部１１，１１をクロ
スビーム１２，１３，１４で繋いだ枠体であり、その幅
Ｗは当該溝の幅よりやや小さめとする。Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of reference numerals. FIG. 1 is a plan view of a temporary fixing wall for a continuous trench excavator according to the present invention. A temporary fixing wall 1 for a continuous trench excavator (hereinafter, abbreviated as “temporary fixing wall 1”) is a first block 10.
, A second block 20 and a third block 30 as a sheet pile driving portion are connected in series. The first block 10 is a frame body in which left and right (upper and lower in the figure) side walls 11, 11 are connected by cross beams 12, 13, and 14, and the width W thereof is slightly smaller than the width of the groove.

【００１０】第２ブロック２０は、左右の側壁部２１，
２１をクロスビーム２２，２３で繋ぎ、且つブラケット
２４，２５及びピン２６で前記第１ブロック１０と連結
した枠体である。第３ブロック３０は、左右の側壁部３
１，３１をクロスビーム３２で繋いだ枠体であるが、側
壁部３１，３１は第２ブロック２０の側壁部２１，２１
より矢板打込み代ｄ，ｄだけ中央に寄せた状態で先端を
第２ブロック２０の側壁部２１，２１の後端に直接溶接
したものである。３３，３３は側壁部３１，３１の上部
に形成したテーパ面である。The second block 20 includes left and right side walls 21,
21 is a frame body connected to the first block 10 by connecting cross beams 22 and 23 and by brackets 24 and 25 and pins 26. The third block 30 includes left and right side wall portions 3.
1 and 31 are connected by a cross beam 32, and the side walls 31 and 31 are side walls 21 and 21 of the second block 20.
The tip is directly welded to the rear end of the side wall portions 21 and 21 of the second block 20 with the sheet pile driving margins d and d closer to the center. 33, 33 are tapered surfaces formed on the upper portions of the side wall portions 31, 31.

【００１１】図２は本発明に係る連続溝掘削機用仮止め
壁の側面図であり、第１ブロック１０の側壁部１１は略
三角壁であり、その傾斜部１１ａは後述する傾斜コンベ
アの傾斜角と同一である。１５は連結杆、１６，１６は
アイプレートである。FIG. 2 is a side view of a temporary fixing wall for a continuous trench excavator according to the present invention. The side wall 11 of the first block 10 is a substantially triangular wall, and its inclined portion 11a is inclined by a later-described inclined conveyor. Same as the corner. Reference numeral 15 denotes a connecting rod, and reference numerals 16 and 16 denote eye plates.

【００１２】第２ブロック２０の側壁部２１は略矩形で
あり、且つ底板を貼ったところの底部２７，２８を有す
る。第３ブロック３０の側壁部３１も略矩形であり、且
つ底板を貼ったところの底部３４を有する。The side wall 21 of the second block 20 is substantially rectangular and has bottoms 27 and 28 to which a bottom plate is attached. The side wall 31 of the third block 30 is also substantially rectangular and has a bottom 34 to which a bottom plate is attached.

【００１３】以上に述べた仮止め壁の作用を次に説明す
る。図３は連続溝掘削作業説明図であり、連続溝掘削機
４０は機体フレーム４１の下部にクローラ（キャタピ
ラ）４２、上部にエンジン４３を備えたクローラ走行作
業車であり、機体フレーム４１の車体中央にスラッター
コンベア４４を懸架し、このスラッターコンベア４４の
先端に放出コンベア４５を備える。スラッターコンベア
４４は等ピッチで掻き爪４６・・・（・・・は複数個を示す。
以下同様。）備え、これらの掻き爪４６・・・で土砂を掻
き上げるものである。そして連続溝掘削機４０の機体フ
レーム４１の後部に、第１ブロック１０の連結杆１５を
連結し、且つターンバックル４７，４８を取付け長さを
調整することにより底面の高さを変えることが出来るこ
とで、仮止め壁１を連続溝掘削機４０に懸架する。The operation of the above-mentioned temporary fixing wall will be described below. FIG. 3 is an explanatory view of a continuous groove excavation work. The continuous groove excavator 40 is a crawler traveling work vehicle having a crawler (caterpillar) 42 at a lower portion of a body frame 41 and an engine 43 at an upper portion. And a discharge conveyor 45 is provided at the tip of the slutter conveyor 44. The plurality of slutter conveyors 44 are scraped at equal pitches.
The same applies hereinafter. ), And the soil 46 is scraped up by these scraping claws 46. The height of the bottom surface can be changed by connecting the connecting rod 15 of the first block 10 to the rear part of the body frame 41 of the continuous trench excavator 40 and attaching the turnbuckles 47 and 48 to adjust the length. Thereby, the temporary fixing wall 1 is suspended on the continuous trench excavator 40.

【００１４】スラッターコンベア４４を矢印の如く回
動し、連続溝掘削機４０を矢印の如く前進させて溝を
掘削する。このときに仮止め壁１はスラッターコンベア
４４の直後を掘削機４０と同じ速度で前進することにな
る。図４は仮止め壁の平面説明図であり、白抜き矢印向
きに進むスラッターコンベア４４で切った溝５１が崩壊
しやすい地山の場合は、溝５１の側壁を仮止め壁１の第
１，２ブロック１０，２０、詳しくは側壁１１，１１，
２１，２１で抑え、次に第３ブロック３０の箇所で矢板
５２・・・を打つ。さらに詳しくは、第３ブロック３０
を、第１，２ブロック１０，２０よりも片側で寸法ｄだ
け幅狭としたので、この隙間ｄを矢板打込み代とし、こ
の箇所に打込み機にて矢板５２・・・を連続的に打込む。
この際に、第３ブロック３０上部のテーパ部３３，３３
が矢板５２，５２のガイドとなるので、打込み作業が容
易になる。The slitter conveyor 44 is rotated as shown by the arrow, and the continuous groove excavator 40 is advanced as shown by the arrow to excavate the groove. At this time, the temporary fastening wall 1 moves forward immediately after the slutter conveyor 44 at the same speed as the excavator 40. FIG. 4 is an explanatory plan view of the temporary fixing wall. In a case where the groove 51 cut by the slutter conveyor 44 that advances in the direction of the outlined arrow is easily collapsed, the side wall of the groove 51 is attached to the first temporary fixing wall 1. , 2 blocks 10, 20, more specifically, side walls 11, 11,.
21 and 21, and then the sheet pile 52 is hit at the third block 30. More specifically, the third block 30
Are narrowed by the dimension d on one side of the first and second blocks 10 and 20, and the gap d is used as a sheet pile driving margin, and the sheet piles 52 are continuously driven into this position by a driving machine. .
At this time, the tapered portions 33, 33 above the third block 30
Serves as a guide for the sheet piles 52, 52, which facilitates the driving operation.

【００１５】図５は図４の５−５矢視図であり、第１ブ
ロック１０の傾斜部１１ａを、スラッターコンベア４４
にごく近づけて配置できるので、スラッターコンベア４
４で掘削した直後の溝を、溝が崩れる前に第１ブロック
１０の側壁１１で抑えることができる。引続き側壁１
１，２１で抑え、その直後に矢板５２を打込むので、溝
の側壁の崩壊を防ぐことができる。また、仮止め壁１は
底部２７，２８，３４を備えるので、これらの底部２
７，２８，３４で溝の底をならすことができる。従っ
て、底が平で、側壁が矢板５２，５２で保護された形状
の良い溝を、連続的に効率よく形成することができる。FIG. 5 is a view taken in the direction of arrows 5-5 in FIG.
Sutter conveyor 4
The groove immediately after excavation at 4 can be suppressed by the side wall 11 of the first block 10 before the groove collapses. Continue to side wall 1
Since it is suppressed at 1, 21 and the sheet pile 52 is driven immediately after that, the collapse of the side wall of the groove can be prevented. Further, since the temporary fixing wall 1 has the bottom portions 27, 28, 34, these bottom portions 2
The bottom of the groove can be leveled at 7, 28, 34. Therefore, a well-shaped groove having a flat bottom and a side wall protected by the sheet piles 52, 52 can be continuously and efficiently formed.

【００１６】更に、図４において第１ブロック１０と第
２ブロック２０とをピン２６を介して蛇行可能に連結し
たので、直線溝に限らず、湾曲溝、蛇行溝にも、本発明
の仮止め壁１は十分に使用できる。Further, since the first block 10 and the second block 20 are connected in a meandering manner via the pins 26 in FIG. 4, the present invention can be applied not only to straight grooves but also to curved grooves and meandering grooves. The wall 1 is fully usable.

【００１７】尚、本実施例では第２ブロック２０と第３
ブロック３０を一体的に連結したがこれらをヒンジ結合
してもよい。また、仮止め壁１は、後部に矢板打込み部
を備えてさえいれば、１個のブロックのみで構成するこ
と、複数個のブロックを直列に連結することの何れでも
よく、また連結の形態は固設、ヒンジ連結の何れであっ
てもよい。要は、連続溝掘削機４０を後追いする矢板打
込み機は、干渉を避けるためにある程度の距離を置かな
ければならないので、この距離を本発明の仮止め壁１で
稼ぐものであり、地山の状態、溝の規模に応じて仮止め
壁１の長さ及び分割数を決定すればよい。In this embodiment, the second block 20 and the third block
Although the blocks 30 are integrally connected, they may be hingedly connected. Further, the temporary fixing wall 1 may be constituted by only one block or may be connected in series with a plurality of blocks as long as the sheet pile driving portion is provided at the rear portion. Any of fixed connection and hinge connection may be used. In short, the sheet pile driving machine that follows the continuous trench excavator 40 must be placed at a certain distance in order to avoid interference, and this distance is earned by the temporary fixing wall 1 of the present invention. The length of the temporary fixing wall 1 and the number of divisions may be determined according to the state and the size of the groove.

【００１８】また、本実施例では仮止め壁１を連続溝掘
削機４０の後部に懸架したが、単に引き摺るようにして
もよく、そうすれば連続溝掘削機４０に掛ける下向き荷
重を軽減できる。。In the present embodiment, the temporary fixing wall 1 is suspended at the rear of the continuous trench excavator 40. However, the temporary fixing wall 1 may be simply dragged, so that the downward load applied to the continuous trench excavator 40 can be reduced. .

【００１９】[0019]

【発明の効果】本発明は上記構成により次の効果を発揮
する。請求項１は、側壁部と底部と矢板打込み部とを備
えた仮止め壁を、連続溝掘削機の後部に連結し、連続溝
掘削機の掻き爪の付いた傾斜コンベアを回動させつつ前
進させることで連続的に溝を掘削し、直後にこの溝の側
壁の崩壊を仮止め壁の側壁部で抑え、仮止め壁部の底部
で溝の底をならし、仮止め壁の後部の矢板打込み部にお
いて矢板を打込んで、溝を形成する。傾斜コンベアで掘
削した後から矢板を打込むまでの間を、仮止め壁で抑え
るので地山の崩壊を防ぐことができ、再掘削を必要とし
ないので掘削作業が効率よく実施できる。加えて、仮止
め壁部の底部で溝の底をならすようにしたので、溝の形
状を整えることができる。 According to the present invention, the following effects are exhibited by the above configuration. Claim 1 includes a side wall, a bottom, and a sheet pile driving portion.
Connect the temporary fixing wall to the rear of the continuous trench excavator,
The groove is continuously excavated by rotating and moving the inclined conveyor with the scraper of the excavator while rotating, and immediately after the collapse of the side wall of this groove is suppressed by the side wall of the temporary fixing wall, bottom
In leveling the bottom of the groove, by implanting piles by have you <br/> the rear of the sheet pile driving portion of the temporarily fixed wall to form grooves. A temporary fixing wall is used to suppress the ground from excavation on the inclined conveyor to driving the sheet pile, thereby preventing collapse of the ground, and excavation work can be performed efficiently because re-excavation is not required. In addition, temporary suspension
The bottom of the groove at the bottom of the wall,
Shape can be adjusted.

【００２０】請求項２は、掻き爪の付いた傾斜コンベア
を回動させつつ前進させることで連続的に地面を掘削す
る連続溝掘削機の後部に連結して使用する仮止め壁であ
って、この仮止め壁を、掘削した直後の溝の側壁の崩れ
を防ぐ側壁部と、溝の底をならす底部と、後部の矢板打
込み部とで構成し、この矢板打込み部は、前記側壁部よ
りも矢板打込み代だけ中央に寄せた側壁部を備えること
を特徴する。仮止め壁は連続溝掘削機で引き回す。この
仮止め壁で地山の崩壊を防ぐとともに溝の底をならすこ
とで、溝の形状を整える。矢板打込み代だけ中央に寄せ
た矢板打込み部で矢板を打込む。従って、再掘削を必要
としないので掘削作業が効率よく実施できる。A second aspect of the present invention is a temporary fixing wall which is used in connection with a rear portion of a continuous groove excavator for continuously excavating the ground by rotating and moving an inclined conveyor with a claw, and The temporary fixing wall is composed of a side wall portion for preventing collapse of the side wall of the groove immediately after excavation, a bottom portion for leveling the bottom of the groove, and a rear sheet pile driving section.
Provide side walls that are centered just for the cost of driving
It is characterized. The temporary wall is routed with a continuous trench excavator. The temporary fixing wall prevents the collapse of the ground and smoothes the bottom of the groove, thereby adjusting the shape of the groove. Centered on the sheet pile driving fee
The sheet pile is driven at the sheet pile driving section. Therefore, since re-excavation is not required, excavation work can be efficiently performed.

【００２１】請求項３は、前記側壁部の前部を傾斜コン
ベアに接近させるために略三角壁としたことを特徴とす
る。仮止め壁が傾斜コンベアに近接しているので、掘削
直後の溝の側壁を直ちに抑えることができる。According to a third aspect of the present invention, the front portion of the side wall portion is formed as a substantially triangular wall so as to approach the inclined conveyor. Since the temporary fixing wall is close to the inclined conveyor, the side wall of the groove immediately after excavation can be immediately suppressed.

【００２２】請求項４は、前記仮止め壁を長手方向に複
数個に分割し、それらをピンを介して連結して水平蛇行
可能な構成としたことを特徴とする。水平蛇行可能とし
たので、直線溝のみならず、曲線溝の掘削工事に有効で
ある。According to a fourth aspect of the present invention, the temporary fixing wall is divided into a plurality of pieces in the longitudinal direction, and these pieces are connected via pins to form a meandering horizontal structure. Since horizontal meandering is possible, it is effective for excavation work not only for straight grooves but also for curved grooves.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明に係る連続溝掘削機用仮止め壁の平面図FIG. 1 is a plan view of a temporary fixing wall for a continuous trench excavator according to the present invention.

【図２】本発明に係る連続溝掘削機用仮止め壁の側面図FIG. 2 is a side view of a temporary fixing wall for a continuous trench excavator according to the present invention.

【図３】連続溝掘削作業説明図FIG. 3 is an explanatory diagram of a continuous trench excavation work.

【図４】仮止め壁の平面説明図FIG. 4 is an explanatory plan view of a temporary fixing wall.

【図５】図４の５−５矢視図FIG. 5 is a view taken in the direction of arrows 5-5 in FIG. 4;

【図６】従来の連続溝掘削機の背面図FIG. 6 is a rear view of a conventional continuous trench excavator.

【図７】崩壊しやすい地山における溝掘削の説明図FIG. 7 is an explanatory view of trench excavation in a collapsed ground.

【符号の説明】[Explanation of symbols]

１…連続溝掘削機用仮止め壁（仮止め壁）、１０…第１
ブロック、１１…側壁部、２０…第２ブロック、２１…
側壁部、２６…ピン、２７，２８，３４…底部、３０…
矢板打込み部（第３ブロック）、４０…連続溝掘削機、
４４…傾斜コンベア（スラッターコンベア）、４６…掻
き爪、５１…溝、５２…矢板。1 ... Temporary fixing wall (temporary fixing wall) for continuous trench excavator, 10 ... 1st
Block, 11 ... side wall part, 20 ... second block, 21 ...
Side walls, 26 pins, 27, 28, 34 bottom, 30
Sheet pile driving section (third block), 40 ... continuous groove excavator,
44: inclined conveyor (slutter conveyor), 46: scratching nail, 51: groove, 52: sheet pile.

フロントページの続き (56)参考文献 特開 平４−30029（ＪＰ，Ａ) 特開 平６−306853（ＪＰ，Ａ) 特開 昭57−9914（ＪＰ，Ａ) 特開 昭52−77410（ＪＰ，Ａ) 特開 昭61−151314（ＪＰ，Ａ) 特開 平３−100223（ＪＰ，Ａ) 特公 昭45−31585（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.7，ＤＢ名) E02D 5/02 - 5/20 E02F 5/02 E02F 5/06 Continuation of the front page (56) References JP-A-4-30029 (JP, A) JP-A-6-306853 (JP, A) JP-A-57-9914 (JP, A) JP-A-52-77410 (JP, A) JP-A-61-151314 (JP, A) JP-A-3-100223 (JP, A) JP-B-45-31585 (JP, B1) (58) Fields investigated (Int. Cl. 7 , DB Name) E02D 5/02-5/20 E02F 5/02 E02F 5/06

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 側壁部と底部と矢板打込み部とを備えた
仮止め壁を、連続溝掘削機の後部に連結し、連続溝掘削
機の掻き爪の付いた傾斜コンベアを回動させつつ前進さ
せることで連続的に溝を掘削し、直後にこの溝の側壁の
崩壊を仮止め壁の側壁部で抑え、仮止め壁部の底部で溝
の底をならし、仮止め壁の後部の矢板打込み部において
矢板を打込んで、溝を形成することを特徴とした連続溝
形成方法。1. A vehicle comprising a side wall portion, a bottom portion, and a sheet pile driving portion.
Connect the temporary fixing wall to the back of the continuous trench excavator,
The groove is continuously excavated by rotating and moving the inclined conveyor with the scraping claw of the machine, and immediately after this, the collapse of the side wall of this groove is suppressed by the side wall of the temporary fixing wall, and the bottom of the temporary fixing wall is With groove
Break-bottom, is implanted sheet pile at the rear of the sheet pile driving portion of the temporarily fixed wall, a continuous groove forming method and forming a groove. 【請求項２】 掻き爪の付いた傾斜コンベアを回動させ
つつ前進させることで連続的に地面を掘削する連続溝掘
削機の後部に連結して使用する仮止め壁であって、 この仮止め壁は、掘削した直後の溝の側壁の崩れを防ぐ
側壁部と、溝の底をならす底部と、後部の矢板打込み部
とからなり、 この矢板打込み部は、前記側壁部よりも矢板打込み代だ
け中央に寄せた側壁部を備える ことを特徴とした連続溝
掘削機用仮止め壁。2. A temporary fixing wall which is used in connection with a rear part of a continuous groove excavator for continuously excavating the ground by rotating and moving an inclined conveyor having a scraper, and comprising: wall, a side wall portion to prevent the collapse of the side walls of the groove immediately after drilling, a bottom level the bottom of the groove, Ri Do from the rear of the sheet pile driving portion, the sheet pile driving section sheet pile driving margin than the side wall portion Is
A temporary fixing wall for a continuous ditch excavator, characterized in that the wall is provided with a side wall portion located at the center of the excavator. 【請求項３】 前記側壁部の前部を傾斜コンベアに接近
させるために略三角壁としたことを特徴とする請求項２
記載の連続溝掘削機用仮止め壁。3. A substantially triangular wall for making a front portion of the side wall close to an inclined conveyor.
The temporary fixing wall for a continuous ditch excavator according to the above. 【請求項４】 前記仮止め壁を長手方向に複数個に分割
し、それらをピンを介して連結して水平蛇行可能な構成
としたことを特徴とする請求項２又は請求項３記載の連
続溝掘削機用仮止め壁。4. The continuity according to claim 2, wherein the temporary fixing wall is divided into a plurality of pieces in the longitudinal direction, and these are connected via a pin so as to be capable of meandering horizontally. Temporary fixing wall for trench excavator.
JP8000996A 1996-01-08 1996-01-08 Continuous groove forming method and temporary fixing wall for continuous groove excavator Expired - Lifetime JP3056061B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8000996A JP3056061B2 (en) 1996-01-08 1996-01-08 Continuous groove forming method and temporary fixing wall for continuous groove excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8000996A JP3056061B2 (en) 1996-01-08 1996-01-08 Continuous groove forming method and temporary fixing wall for continuous groove excavator

Publications (2)

Publication Number Publication Date
JPH09184134A JPH09184134A (en) 1997-07-15
JP3056061B2 true JP3056061B2 (en) 2000-06-26

Family

ID=11489214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8000996A Expired - Lifetime JP3056061B2 (en) 1996-01-08 1996-01-08 Continuous groove forming method and temporary fixing wall for continuous groove excavator

Country Status (1)

Country Link
JP (1) JP3056061B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114561980B (en) * 2022-03-04 2023-03-10 中冶集团武汉勘察研究院有限公司 Underground continuous wall grooving device and construction method for grooving by using same

Also Published As

Publication number Publication date
JPH09184134A (en) 1997-07-15

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