JPH0631535B2 - Continuous wall and method of constructing continuous wall - Google Patents
Continuous wall and method of constructing continuous wallInfo
- Publication number
- JPH0631535B2 JPH0631535B2 JP63278074A JP27807488A JPH0631535B2 JP H0631535 B2 JPH0631535 B2 JP H0631535B2 JP 63278074 A JP63278074 A JP 63278074A JP 27807488 A JP27807488 A JP 27807488A JP H0631535 B2 JPH0631535 B2 JP H0631535B2
- Authority
- JP
- Japan
- Prior art keywords
- continuous wall
- lining material
- ground
- lining
- recess
- 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
Links
- 238000000034 method Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims description 63
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は大型の地下空胴、地下空間の空間と地盤との境
に構築される連続壁および連続壁構築用シールド掘進機
ならびに連続壁の構築方法に関する。Description: TECHNICAL FIELD The present invention relates to a large underground cavity, a continuous wall constructed at a boundary between an underground space and a ground, a shield machine for constructing a continuous wall, and a continuous wall construction method. Regarding
従来の技術 大型の地下空胴や地下空間を構築する場合、従来地上か
ら地中内に連続壁工法により連続する囲壁を形成して内
部を掘削していた。Conventional technology When constructing a large underground cavity or underground space, conventionally, a continuous surrounding wall was formed in the ground from the ground by a continuous wall method to excavate the inside.
発明が解決しようとする課題 しかし、上記従来の方法は、地上に建造物などがあり、
地上からの地中内に向って囲壁が構築できない場合や深
さがきわめて深い場合ならびに特殊形状の囲壁の構築な
どには適用ができなかった。However, the above-mentioned conventional method has a building on the ground,
It could not be applied to the case where the wall cannot be constructed from the ground into the ground, the depth is extremely deep, or the construction of a special shape wall.
本発明は上記問題点を解決して、地下空間上方の地上か
ら連続壁の構築ができなくても、地上とは関係なく任意
の位置に任意の形状の連続壁を構築することができ、ま
た安定して正確な構築が可能な連続壁および連続壁構築
用シールド掘進機ならびに連続壁の構築方法を提供する
ことを目的とする。The present invention solves the above problems, and even if it is not possible to construct a continuous wall from the ground above the underground space, it is possible to construct a continuous wall of any shape at any position regardless of the ground, An object of the present invention is to provide a continuous wall capable of being stably and accurately constructed, a shield machine for constructing the continuous wall, and a method for constructing the continuous wall.
課題を解決するための手段 上記問題点を解決するために本発明の連続壁は、地表か
ら地中の所定深さまで掘削された地下空間の側面に設置
される連続壁であって、複数のセグメントからなる円筒
状覆工材のセグメントの下部に、円弧状凹部を軸心方向
に沿って形成し、上下方向に隣接する前記覆工材同士を
外周部と凹部とを嵌め込んで構築し、前記覆工材同士を
連結材により互いに連結するとともに、地盤改良剤によ
り強化された覆工材外側の地盤とこれら覆工材とをアン
カー材により連結したものである。Means for Solving the Problems In order to solve the above problems, the continuous wall of the present invention is a continuous wall installed on the side surface of an underground space excavated from the surface to a predetermined depth in the ground, and has a plurality of segments. In the lower part of the segment of the cylindrical lining material consisting of, arc-shaped recesses are formed along the axial direction, and the lining materials adjacent to each other in the vertical direction are constructed by fitting the outer peripheral portion and the recesses, The lining materials are connected to each other by a connecting material, and the ground on the outside of the lining material reinforced by the ground improving agent and these lining materials are connected by an anchor material.
また、連続壁の構築方法は、形成する連続壁の両端部に
立穴をそれぞれ掘削し、一方の立穴の上部から他方の立
穴に向かってシールド掘進機により横穴を掘削するとと
もに、この横穴内に、複数のセグメントからなり下部の
セグメントの外周部に円弧状凹部が軸心方向に連続して
形成された円筒状覆工材を組み立て、さらにシールド掘
進機により前記覆工材の凹部に沿って穴を形成するとと
もに、前記覆工材の凹部に外周部が嵌め込まれた覆工材
を組み立て、これを繰り返してこれら覆工材により連続
壁を形成するものである。In addition, the method of constructing a continuous wall is such that vertical holes are respectively drilled at both ends of the continuous wall to be formed, and a horizontal hole is drilled by a shield machine from the top of one vertical hole to the other vertical hole. Assemble a cylindrical lining material in which an arcuate recess is formed continuously in the axial direction on the outer periphery of the lower segment consisting of a plurality of segments, and further along the recess of the lining material by a shield machine. To form a hole, and to assemble a lining material in which the outer peripheral portion is fitted in the concave portion of the lining material, and repeat this to form a continuous wall by these lining materials.
作用 上記連続壁の構成によれば、隣接する覆工材同志を凹部
に外周部を嵌め込んで接合し構築するので、接合面が広
く安定した構造となり、しかも容易に曲面状の壁面を形
成することができる。According to the above continuous wall structure, since the adjacent lining materials are constructed by fitting the outer peripheral portion into the recesses and joining them, the joining surface becomes a wide and stable structure, and a curved wall surface is easily formed. be able to.
また、連続壁の構築方法によれば、地上と関係なく地盤
内に連続壁を構築することができ、しかもシールド掘進
機を既設覆工材の凹部をガイドとして掘削推進し覆工材
を形成できるので、曲線などでもきわめて正確に連続壁
を構築することができる。Further, according to the method of constructing the continuous wall, the continuous wall can be constructed in the ground regardless of the ground, and the shield machine can be excavated and propelled by using the recess of the existing lining material as a guide to form the lining material. Therefore, it is possible to construct a continuous wall very accurately even with a curved line.
実施例 以下本発明の一実施例を図面に基づいて説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第１図に示すように、地下空間と地盤２との境界に構築
される連続壁３は、円筒状の覆工材４が上下方向に積み
重ねられて構築される。この覆工材４は複数（図中では
４個）のセグメント5A，5Bが組立てられて形成され、こ
れらセグメント5A，5Bのうち、底部のセグメント5Bの外
面には、覆工材４の外周とほぼ同じ半径の凹部６が軸心
方向に沿って形成され、他のセグメント4Aは円弧状に形
成される。そして、これら覆工材４は、隣接する覆工材
４同士で上端外周部が前記凹部６に嵌め込まれて連続壁
３が構築される。この連続壁３は、第２図に示すよう
に、地盤２内に構築された後、連続壁３の内部が掘削さ
れ、空間１が形成される。As shown in FIG. 1, the continuous wall 3 constructed at the boundary between the underground space and the ground 2 is constructed by vertically stacking cylindrical lining materials 4. This lining material 4 is formed by assembling a plurality of (4 in the figure) segments 5A and 5B. Of these segments 5A and 5B, the outer surface of the bottom segment 5B and the outer circumference of the lining material 4 are The recesses 6 having substantially the same radius are formed along the axial direction, and the other segments 4A are formed in an arc shape. Then, in these lining materials 4, the upper end outer peripheral portion of the adjacent lining materials 4 is fitted into the concave portion 6 to construct the continuous wall 3. As shown in FIG. 2, the continuous wall 3 is constructed in the ground 2, and then the inside of the continuous wall 3 is excavated to form the space 1.
また、第３図に示すように、覆工材４を千鳥状に配置し
て連続壁23を構築することも可能である。Further, as shown in FIG. 3, it is possible to construct the continuous wall 23 by arranging the lining materials 4 in a zigzag pattern.
これら連続壁３，13，23は、構築後、覆工材４内から地
盤２側に地盤改良剤を注入して地盤２を補強し、また第
１図に示すようにアンカーボルト７により地盤２と囲壁
３との連結を強化し、さらに覆工材４同志を連結材８な
どにより連結し、さらにまた覆工材４内にコンクリート
９や鉄筋を充填配設する。After the construction of these continuous walls 3, 13, 23, after the construction, the ground improvement agent is injected from the lining material 4 to the ground 2 side to reinforce the ground 2, and as shown in FIG. The lining material 4 and the surrounding wall 3 are strengthened, the lining materials 4 are connected to each other by the connecting material 8, and the lining material 4 is filled with concrete 9 and reinforcing bars.
次に、この連続壁３構築用のシールド掘進機32と構築方
法について説明する。Next, the shield machine 32 for constructing the continuous wall 3 and the construction method will be described.
まず、第４図に示すように地下空間１を形成する両側に
立坑31を形成し、一方の立坑31からシールド掘進機32を
発進させ、地盤２に横穴33Aを掘削するとともに、横穴3
3内でセグメント5A，5Bを組み立てて凹部６が下部とな
る覆工材４Ａを形成する。First, as shown in FIG. 4, vertical shafts 31 are formed on both sides forming the underground space 1, a shield machine 32 is started from one vertical shaft 31, and a horizontal hole 33A is excavated in the ground 2 and a horizontal hole 3 is formed.
The segments 5A and 5B are assembled in 3 to form a lining material 4A having the recess 6 as a lower part.
このシールド掘進機32は、第５図に示すように、円筒状
のシールド本体34の前部にカッタヘッド35を備え、この
カッタヘッド35は背面に突設されて圧力隔壁36を貫通す
る回転軸37に大ギヤ38が取付けられ、この大ギヤ38に、
シールド本体32に支持された駆動モータ39のピニオン39
aが噛合されて回転駆動される。そして、カッタヘッド3
5に掘削されて圧力室40内に取込まれた土砂は、排土装
置（図せず）によってシールド本体34の後方に排出され
る。シールド本体34後部の大気室41には、後方から搬入
されたセグメント5A，5Bを組み立てるセグメントセレク
ター42が配設され、また凹部６を有するセグメント5Bの
組立て位置には、凹部６に沿う湾曲面43aを有するセグ
メント支持部43がシールド本体34に形成される。このセ
グメント支持部43には、横穴33内の覆工材４の凹部６に
より形成される余堀り空間44に充填剤44に充填剤を必要
に応じて注入可能な注入管45が配設される。As shown in FIG. 5, the shield machine 32 is provided with a cutter head 35 at the front part of a cylindrical shield body 34, and the cutter head 35 is provided on a rear surface of the rotary shaft so as to project through a pressure partition wall 36. A large gear 38 is attached to 37, and to this large gear 38,
Pinion 39 of drive motor 39 supported by shield body 32
a is meshed and driven to rotate. And cutter head 3
The earth and sand excavated in 5 and taken into the pressure chamber 40 are discharged to the rear of the shield body 34 by an earth discharging device (not shown). A segment selector 42 for assembling the segments 5A and 5B loaded from the rear is provided in the atmosphere chamber 41 at the rear of the shield body 34, and the curved surface 43a along the recess 6 is provided at the assembly position of the segment 5B having the recess 6. The segment support portion 43 having the is formed on the shield body 34. In the segment support portion 43, an injection pipe 45 capable of injecting the filler into the filler 44 as needed is disposed in the extra space 44 formed by the recess 6 of the lining material 4 in the lateral hole 33. It
したがって、カッタヘッド35によって地盤２を掘削して
推進し、シールド本体34の後部でセグメントエレクター
装置42によりセグメント5A，5Bを組み立て覆工材４Ａを
形成し、さらにこの覆工材４Ａを圧力受けとしてシール
ド本体34内に配設された推進ジャッキ46によってシール
ド本体34を前進させる。そして、必要に応じて注入管45
から充填剤を凹部６により形成される余堀り空間44に注
入充填する。この注入充填剤は凹部６の余堀りを埋め、
セグメント４の沈下を防止することもできる。但し、注
入充填剤は、地盤の強度に近い強度を有するものでよ
く、次の掘削時、容易に掘削できるようにすればよい。Therefore, the ground 2 is excavated and propelled by the cutter head 35, the segments 5A and 5B are assembled by the segment erector device 42 at the rear of the shield body 34 to form the lining material 4A, and the lining material 4A is used as a pressure receiver. The shield body 34 is moved forward by the propulsion jack 46 arranged in the shield body 34. And, if necessary, the injection pipe 45
The filling material is injected and filled into the extra space 44 formed by the recess 6. This injection filler fills the recess of the recess 6,
It is also possible to prevent the subsidence of the segment 4. However, the injection filler may have a strength close to that of the ground, and may be easily excavated at the next excavation.
このように覆工材４Ａを横穴33A内に組み立て後、次に
この覆工材４Ａの下方で凹部６に沿ってシールド掘進機
32を推進させて覆工材４の下部に横穴33Bを形成し、シ
ールド本体34の後部でセレクター42によりセグメント5
A，5Bを組み立てて上部外周部が上部の覆工材４Ａの凹
部６に嵌め込まれた覆工材４Ｂを形成してゆく。この作
業を順次繰り返して覆工材４Ｃ〜４Ｆを形成し、連続壁
３を構築する。そして必要に応じて、覆工材４Ａ〜４Ｆ
の内部から地下空間11と反対側の地盤２に地盤改良剤を
注入して地盤２を補強し、また第１図に示すように、覆
工材４（４Ａ〜４Ｅ）から地盤２内にアンカーボルト７
を打ち込み、さらに覆工材４（４Ａ〜４Ｅ）同志を串差
し状に貫通する連結材８を取付け、さらにまた覆工材４
内に鉄筋を配設するとともに、コンクリート９を充填
し、この連続壁３を補強する。After assembling the lining material 4A in the lateral hole 33A in this manner, the shield machine is then installed along the recess 6 below the lining material 4A.
32 is propelled to form a lateral hole 33B in the lower part of the lining material 4, and a selector 42 is provided at the rear of the shield main body 34 for segment 5
A and 5B are assembled to form a lining material 4B in which the outer peripheral portion of the upper part is fitted into the recess 6 of the upper lining material 4A. This operation is sequentially repeated to form the lining materials 4C to 4F, and the continuous wall 3 is constructed. And, if necessary, lining materials 4A to 4F
The ground improving agent is injected into the ground 2 on the side opposite to the underground space 11 from the inside of the ground to reinforce the ground 2, and as shown in FIG. 1, the lining material 4 (4A to 4E) anchors into the ground 2. Bolt 7
The lining material 4 (4A to 4E), and a connecting member 8 penetrating through the lining materials 4 (4A to 4E) is attached.
Reinforcing bars are arranged inside, and concrete 9 is filled to reinforce the continuous wall 3.
上記の連続壁３は平面視が直線状のものを図示したが、
曲線施工のできるシールド掘進機を使用し、曲線状の覆
工材４を形成して平面視が曲線状の連続壁３を構築する
こともできる。Although the continuous wall 3 has a linear shape in a plan view,
It is also possible to construct a continuous wall 3 having a curved plan view by forming a curved lining material 4 using a shield machine capable of performing a curved construction.
このように連続壁３を地盤２内に構築後、地下空間１側
の土砂を取り除いた空間１を形成する。After constructing the continuous wall 3 in the ground 2 in this way, the space 1 on the side of the underground space 1 from which earth and sand have been removed is formed.
上記実施例によれば、地盤２内の任意の部分に地上とは
関係なく連続する連続壁３を構築することができる。し
かも、シールド掘進機32は既設覆工材４の凹部６をガイ
ドとして推進させることができるので、きわめて正確な
掘削および覆工材４の形成を行うことができ、平面視お
よび側面鏡が曲線状の連続壁３も正確に構築できる。ま
た、シールド本体34の後部ではセグメント5Bの凹部６
を、湾曲面43aを有するセグメント支持部43で支持して
セグメント5Bを組み立てられるので、凹部６を有する円
筒状の覆工材４の形成が容易に行える。なお、セグメン
ト支持部43の湾曲面43aは凹部６と一致する必要はな
い。また、セグメント5Bの凹部６はシールド本体34の外
径と同一でなくてもよい。According to the above-mentioned embodiment, the continuous wall 3 which is continuous regardless of the ground can be constructed in an arbitrary portion of the ground 2. Moreover, since the shield machine 32 can be propelled by using the recess 6 of the existing lining material 4 as a guide, it is possible to perform extremely accurate excavation and formation of the lining material 4, and the plan view and the side surface mirror are curved. The continuous wall 3 can also be accurately constructed. In the rear part of the shield body 34, the recess 6 of the segment 5B is formed.
Since the segment 5B can be assembled by being supported by the segment supporting portion 43 having the curved surface 43a, the cylindrical lining material 4 having the concave portion 6 can be easily formed. The curved surface 43a of the segment support portion 43 does not have to coincide with the recess 6. Further, the recess 6 of the segment 5B does not have to be the same as the outer diameter of the shield body 34.
発明の効果 以上に述べたごとく本発明の連続壁によれば、隣接する
覆工材同志を凹部に外周部を嵌め込んで接合し構築する
ので、接合面が広く安定しかつ水密化が容易な構造とな
り、剪断強度を向上させることができて、囲壁の土圧や
水圧等の外力を保持することができ、しかも容易に曲面
状の壁面を形成することができる。EFFECTS OF THE INVENTION As described above, according to the continuous wall of the present invention, since the adjacent lining materials are constructed by fitting the outer peripheral portion into the recesses and joining, the joining surface is wide and stable, and watertightness is easy. The structure makes it possible to improve the shear strength, hold an external force such as earth pressure or water pressure of the surrounding wall, and easily form a curved wall surface.
また、連続壁の構築方法によれば、地上と関係なく地盤
内に連続壁を構築することができ、しかもシールド掘進
機を既設覆工材の凹部をガイドとして掘削推進し覆工材
を形成できるので、曲線などでもきわめて正確に連続壁
を構築することができ、覆工材の嵌め合いにより、剪断
強度を向上させて土圧や水圧に対対処することができ、
覆工材の嵌め合いにより、剪断強度を向上させて土圧や
水圧に対対処することができるとともに、シール性を向
上させることができる。Further, according to the method of constructing the continuous wall, the continuous wall can be constructed in the ground regardless of the ground, and the shield machine can be excavated and propelled by using the recess of the existing lining material as a guide to form the lining material. Therefore, it is possible to construct a continuous wall extremely accurately even with curved lines, etc. By fitting the lining materials, it is possible to improve shear strength and cope with earth pressure and water pressure.
By fitting the lining materials, it is possible to improve the shear strength to cope with earth pressure and water pressure, and improve the sealing property.
図面は本発明の一実施例を示し、第１図は連続壁の断面
図、第２図は地中空間の形成途中を示す断面図、第３図
は他の連続壁の断面図、第４図は連続壁の構築方法を示
す縦断面図、第５図はシールド掘進機の縦断面図、第６
図は第５図に示すＩ−Ｉ矢視図である。 １……地下空間、２……地盤、３，13，23……連続壁、
４（４Ａ〜４Ｆ）……覆工材、5A，5B……セグメント、
６……凹部、32……シールド掘進機、33A〜33C……横
穴、34……シールド本体、42……セグメントセレクタ
ー、43……セグメント支持部、44……余堀り空間、45…
…注入管。The drawings show one embodiment of the present invention, FIG. 1 is a sectional view of a continuous wall, FIG. 2 is a sectional view showing a process of forming an underground space, FIG. 3 is a sectional view of another continuous wall, and FIG. The figure shows a vertical cross-sectional view showing the method of constructing a continuous wall. Fig. 5 shows the vertical cross-sectional view of a shield machine.
The figure is a view taken along the line I-I shown in FIG. 1 ... underground space, 2 ... ground, 3, 13, 23 ... continuous wall,
4 (4A-4F) ... Lining material, 5A, 5B ... Segment,
6 ... Recess, 32 ... Shield machine, 33A to 33C ... Horizontal hole, 34 ... Shield body, 42 ... Segment selector, 43 ... Segment support, 44 ... Excess space, 45 ...
... injection tube.
Claims (2)
下空間の側面に設置される連続壁であって、複数のセグ
メントからなる円筒状覆工材のセグメントの下部に、円
弧状凹部を軸心方向に沿って形成し、上下方向に隣接す
る前記覆工材同士を外周部と凹部とを嵌め込んで構築
し、前記覆工材同士を連結材により互いに連結するとと
もに、地盤改良剤により強化された覆工材外側の地盤と
これら覆工材とをアンカー材により連結したことを特徴
とする連続壁。1. A continuous wall installed on a side surface of an underground space excavated from the surface of the earth to a predetermined depth in the ground, wherein an arc-shaped recess is formed at the bottom of a segment of a cylindrical lining material composed of a plurality of segments. Formed along the axial direction, the lining materials adjacent to each other in the vertical direction are constructed by fitting the outer peripheral portion and the recessed portion, and the lining materials are connected to each other by a connecting material, and by a ground improvement agent. A continuous wall characterized in that the ground outside the reinforced lining material and these lining materials are connected by an anchor material.
掘削し、一方の立穴の上部から他方の立穴に向かってシ
ールド掘進機により横穴を掘削するとともに、この横穴
内に、複数のセグメントからなり下部のセグメントの外
周部に円弧状凹部が軸心方向に連続して形成された円筒
状覆工材を組み立て、さらにシールド掘進機により前記
覆工材の凹部に沿って穴を形成するとともに、前記覆工
材の凹部に外周部が嵌め込まれた覆工材を組み立て、こ
れを繰り返してこれら覆工材により連続壁を形成するこ
とを特徴とする連続壁の構築方法。2. A vertical hole is drilled at both ends of a continuous wall to be formed, and a horizontal hole is drilled by a shield machine from the upper part of one vertical hole to the other vertical hole. Assembling a cylindrical lining material in which the arc-shaped recess is formed continuously in the axial direction on the outer periphery of the lower segment, and a hole is formed along the recess of the lining material by a shield machine. In addition, a method for constructing a continuous wall is characterized in that a lining material having an outer peripheral portion fitted in a concave portion of the lining material is assembled, and this is repeated to form a continuous wall with the lining material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63278074A JPH0631535B2 (en) | 1988-11-02 | 1988-11-02 | Continuous wall and method of constructing continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63278074A JPH0631535B2 (en) | 1988-11-02 | 1988-11-02 | Continuous wall and method of constructing continuous wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02125089A JPH02125089A (en) | 1990-05-14 |
| JPH0631535B2 true JPH0631535B2 (en) | 1994-04-27 |
Family
ID=17592286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63278074A Expired - Lifetime JPH0631535B2 (en) | 1988-11-02 | 1988-11-02 | Continuous wall and method of constructing continuous wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631535B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4500428B2 (en) * | 2000-11-15 | 2010-07-14 | 株式会社フジタ | Earth wall and earth wall elements |
| JP4052635B2 (en) * | 2002-03-22 | 2008-02-27 | 株式会社フジタ | Structure and structure construction method |
| JP2006045928A (en) * | 2004-08-05 | 2006-02-16 | Fujita Corp | Soil pressure wall |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5918896A (en) * | 1982-07-22 | 1984-01-31 | 日立造船株式会社 | Method of excavating tunnel |
| JPS6466394A (en) * | 1987-09-07 | 1989-03-13 | Ohbayashi Corp | Method of constructing double track type tunnel |
-
1988
- 1988-11-02 JP JP63278074A patent/JPH0631535B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02125089A (en) | 1990-05-14 |
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