JP3007241B2 - Temporary closing method using steel sheet pile or steel sheet pile - Google Patents
Temporary closing method using steel sheet pile or steel sheet pileInfo
- Publication number
- JP3007241B2 JP3007241B2 JP5159554A JP15955493A JP3007241B2 JP 3007241 B2 JP3007241 B2 JP 3007241B2 JP 5159554 A JP5159554 A JP 5159554A JP 15955493 A JP15955493 A JP 15955493A JP 3007241 B2 JP3007241 B2 JP 3007241B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet pile
- steel pipe
- steel sheet
- steel
- sheet piles
- 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
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- Revetment (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は鋼管矢板又は鋼矢板によ
る仮締切り工法に関するものであり、特に、水中に於て
橋脚等の構造物を構築する際、該目的構造物の周囲を締
切るための鋼管矢板又は鋼矢板による仮締切り工法に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary closing method using steel pipe sheet piles or steel sheet piles, and more particularly to a method for constructing a structure such as a pier in water to cut off around a target structure. And a temporary closing method using steel pipe sheet piles or steel sheet piles.
【０００２】[0002]
【従来の技術】従来、此種仮締切り工法として、一重鋼
矢板仮締切り工法及び切梁式二重鋼矢板仮締切り工法並
びに自立式二重鋼矢板仮締切り工法等が知られている。2. Description of the Related Art Conventionally, as a temporary closing method of this kind, a single steel sheet pile temporary closing method, a double beam steel sheet pile temporary closing method, and a self-supporting double steel sheet pile temporary closing method are known.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の工法は、軟
弱地盤の場合は水深１０ｍ、堅固な地盤の場合は水深１
５ｍを越えると、該工法による施工が技術的に困難であ
ると言われている。特に、一重鋼矢板仮締切り工法の場
合は、深い水中に於ては該工法を採用してはならないと
云う行政通達があり、止水性も満足できない欠陥があ
る。The above-mentioned conventional construction method has a depth of 10 m for soft ground and a depth of 1 m for firm ground.
If it exceeds 5 m, it is said that construction by this method is technically difficult. In particular, in the case of the single steel sheet pile temporary closing method, there is an administrative notice that this method must not be used in deep water, and there is a defect that the waterproofness is not satisfactory.
【０００４】又、二重鋼矢板仮締切り工法と自立式二重
鋼矢板仮締切り工法の場合は、比較的大規模或いは大水
深の場合に適用事例が存在しているようであるが、之は
二重に鋼矢板を打設することによって形成される堤体自
体の安定を確保するために堤体幅が広くなり、その結
果、該仮締切り工法施工のために用地的に広い面積を必
要としている。In the case of the double steel sheet pile temporary cutoff method and the freestanding double steel sheet pile temporary cutoff method, there seems to be an application example in a case of a relatively large scale or deep water. The width of the embankment is widened in order to secure the stability of the embankment itself formed by double-casting steel sheet piles, and as a result, a large area is required for the temporary closing method. I have.
【０００５】そこで、止水性が良好で且つ、仮締切り工
法施工のための用地を可及的に小にし、更に、剛性を高
めるために解決せらるべき技術的課題が生じてくるので
あり、本発明は該課題を解決することを目的とする。[0005] Therefore, there is a technical problem to be solved in order to have a good water-stopping property, to reduce the land for temporary closing work as much as possible and to increase the rigidity. The invention aims to solve the problem.
【０００６】[0006]
【課題を解決するための手段】本発明は上記目的を達成
するために提案せられたものであり、目的構造物の外周
相当部位に設置せられる仮締切りであって、該仮締切り
設置用地の面積を小さくし、且つ、高強度を維持させる
ために、前記目的構造物の外周部位に一定間隔保持部材
を張架し、該一定間隔保持部材の前後面に鋼管矢板又は
鋼矢板を打設して固定し、或いは、該一定間隔保持部材
の代りに前後の鋼管矢板又は鋼矢板の対向面の夫々に相
互に係合する継手部材を固設して、該前後の対向する継
手部材を相互に係合させることにより前記一定間隔を保
持し、且つ、該前後の鋼管矢板又は鋼矢板の対向面には
多数のスタッドが突設されており、前記前後の鋼管矢板
又は鋼矢板間の空間部に中詰めコンクリートを打設し、
該中詰めコンクリートと前後の各鋼管矢板又は鋼矢板と
の付着力を向上させるように形成された鋼管矢板又は鋼
矢板による仮締切り工法を提供するものである。SUMMARY OF THE INVENTION The present invention has been proposed to achieve the above-mentioned object, and is a temporary cut-off which is provided at a position corresponding to the outer periphery of a target structure.
Reduce the area of the installation site and maintain high strength
For this purpose, a fixed spacing member is provided on the outer peripheral portion of
And a steel pipe sheet pile or
A steel sheet pile is cast and fixed, or the fixed spacing member
Instead of the front and rear steel pipe sheet piles or the opposite faces of the steel sheet piles, respectively.
The joint members that engage with each other are fixed, and the front and rear facing joints are fixed.
The constant distance is maintained by engaging the hand members with each other.
And the opposite surfaces of the front and rear steel pipe sheet piles or steel sheet piles
Numerous studs are protruded, and the front and rear steel pipe sheet piles
Alternatively, cast concrete in the space between steel sheet piles,
The filled concrete and each of the front and rear steel pipe sheet piles or steel sheet piles
The present invention provides a temporary closing method using a steel pipe sheet pile or a steel sheet pile formed so as to improve the adhesive force of the steel pipe.
【０００７】[0007]
【作用】構築せらるべき目的構造物の外周相当部位に仮
締切りを設置するとき、該外周相当部位に一定間隔保持
部材が張架せられる。該一定間隔保持部材は仮締切り用
地の面積を小にするために小巾のものが用いられること
は当然である。該一定間隔保持部材が前記目的構造物の
外周相当部位に張架せられた後、該一定間隔保持部材の
前後面に鋼管矢板又は鋼矢板を打設し、そして、該鋼管
矢板又は鋼矢板の頭部を腹起し並びに引張材等によって
連結して固定する。或いは、該一定間隔保持部材の代り
に、前記前後の鋼管矢板又は鋼矢板の対向面の夫々に相
互に係合する継手部材を固設して該前後の対向する継手
部材を相互に係合させることにより、前記一定間隔を保
持させて該前後の鋼管矢板又は鋼矢板が前記目的構造物
の外周相当部位に接近して打設され、そして、固定され
る。 而して、之等前後の鋼管矢板又は鋼矢板の夫々の対
向面には多数のスタッドが突設されているので、該スタ
ッドはこの前後の鋼管矢板又は鋼矢板によって形成され
る狭巾の空間部の所々に突設される。そこで、この空間
部に中詰めコンクリートを充填することにより目的構造
物の外周相当部位に仮締切りが設置される。 [Effect] Temporarily at the site corresponding to the outer periphery of the target structure to be constructed
When installing a deadline, keep a fixed distance at the part corresponding to the outer circumference
The member is stretched. The fixed spacing member is for temporary closing
Small-sized ones are used to reduce the area of the ground
Is natural. The fixed-space holding member is provided for the target structure.
After being stretched over a portion corresponding to the outer periphery,
Placing a steel sheet pile or steel sheet pile on the front and rear surfaces;
Raise the head of a sheet pile or steel sheet pile and use a tensile material, etc.
Connect and fix. Alternatively, in place of the fixed interval holding member,
In addition, each of the facing surfaces of the front and rear steel pipe sheet piles or steel sheet piles is
The front and rear facing joints are fixedly provided with mutually engaging joint members.
The constant spacing is maintained by engaging the members with each other.
And the front and rear steel pipe sheet piles or steel sheet piles are
Is placed close to the part corresponding to the outer circumference of the
You. Thus, each pair of steel pipe sheet piles or steel sheet piles before and after these
Since a number of studs are protruding from the facing surface,
The head is formed by steel pipe sheet piles or steel sheet piles before and after this
It is protruded from the narrow space. So this space
Filling the part with filling concrete to achieve the desired structure
A temporary deadline is set at a position corresponding to the outer periphery of the object.
【０００８】[0008]
【実施例】以下、本発明の一実施例を図１乃至図７に従
って詳述する。図１は本発明の工法によって完成せられ
た仮締切り状態を示す平面図であるが、該仮締切りは例
えば水中に橋脚等の構造物を構築するとき、該目的構造
物の周囲相当部位の前後二列に一定の間隔を有して鋼管
矢板１，１…が打設される。尚、この実施例は鋼管矢板
１について説明するが、鋼矢板であってもよい。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a plan view showing a temporary cutoff state completed by the method of the present invention. The temporary cutoff is, for example, when a structure such as a pier is constructed in water, before and after a portion corresponding to the periphery of the target structure. The steel pipe sheet piles 1, 1... In this embodiment, the steel pipe sheet pile 1 will be described, but a steel sheet pile may be used.
【０００９】而して、打設される前後の鋼管矢板１，１
…は前述せる通り一定の間隔を有しているが、この一定
の間隔を有して正確に打設するため、該一定の間隔相当
部に間隔保持材２を張架しておく。該間隔保持材２の張
架は適当な方法によって行われる。然るときは、該間隔
保持材２の両側面に沿って夫々前後の鋼管矢板１，１…
が打設されるので、該間隔保持材２は鋼管矢板１，１…
打設のガイドともなる。又、之等鋼管矢板１，１…の根
入れ長は仮締切りの剛性に適する深さに根入れされる。Accordingly, the steel pipe sheet piles 1, 1 before and after being driven are installed.
Have a certain interval as described above, but in order to accurately drive with this certain interval, the interval holding material 2 is stretched over a portion corresponding to the certain interval. The stretching of the spacing member 2 is performed by an appropriate method. In that case, the front and rear steel pipe sheet piles 1, 1...
, The spacing member 2 is made of steel sheet piles 1, 1 ...
Also serves as a guide for casting. The rooting lengths of the steel pipe sheet piles 1, 1... Are rooted at a depth suitable for the rigidity of the temporary cutoff.
【００１０】斯くして、打設された前後の鋼管矢板１，
１…は、之等相互の頭部外側面に夫々設けられている腹
起し３，３間に引張材４，４…を架渡して連結される。
又、図６に示す如く、該鋼管矢板１，１…には左右隣接
する対向面に夫々係合する継手５，５…を固設して相互
に係合させ、そして、該鋼管矢板１，１…の左右を連結
すると共に、前記腹起し３，３並びに引張材４，４…の
代りに、該鋼管矢板１，１…の前後対向面に相互に係合
する継手部材６，６…を固設して相互に係合させ、そし
て、該鋼管矢板１，１…の前後を連結することもでき
る。[0010] Thus, the steel pipe sheet piles 1 before and after the casting are performed.
Are connected to each other by bridging tension members 4, 4,... Between the protuberances 3, 3, which are respectively provided on the outer surfaces of the heads.
As shown in FIG. 6, the steel pipe sheet piles 1, 1,... Are fixedly connected with the joints 5, 5,. Are connected together, and instead of the protuberances 3, 3 and the tension members 4, 4,..., Joint members 6, 6,. Can be fixed and engaged with each other, and the front and rear of the steel pipe sheet piles 1, 1...
【００１１】斯くして、鋼管矢板１，１…は目的構造物
外周に沿って打設されることになるが、この前後の鋼管
矢板１，１…によって形成されている空間部Ｐに中詰め
コンクリート７を充填して仮締切りを完成させる。この
とき、該鋼管矢板１，１…にスタッド８，８…を溶接し
ており、そして、前記中詰めコンクリート７と前後の各
鋼管矢板１，１…との付着性を向上させる。 Thus, the steel pipe sheet piles 1, 1... Are driven along the outer periphery of the target structure, but are filled into the space P formed by the front and rear steel pipe sheet piles 1, 1. Concrete 7 is filled to complete the temporary cutoff. In this case, Ri Contact by welding a stud 8, 8 ... to the steel pipe sheet piles 1, 1, and Ru improve the adhesion between the steel pipe sheet piles 1, 1 ... around said in packed concrete 7.
【００１２】更に、該仮締切り内の水Ｗは適当な方法で
排水され、そして、順次切梁９，９…が架設される。而
して、該切梁９，９…を架設するために内側の鋼管矢板
１，１…の内側面に予めブラケット１０，１０…を一定
間隔毎に上下に溶接しておき、そして、前記排水操作に
て順次水面が下降するが、この下降によって水面上に現
われてくる該鋼管矢板１，１…の夫々対向する相手方ブ
ラケット１０，１０…間に、該切梁９，９…が架設され
てゆくのである。このとき、該ブラケット１０，１０…
には順次他の腹起し３ａ，３ａ…が取付けられ、該腹起
し３ａ，３ａ…相互間に該切梁９，９…が架設されるこ
とになる。このとき、図４及び図５に示す如く、腹起し
３ａと鋼管１間に裏込めコンクリート１１，１１…を順
次打設してもよい。斯くすることにより、前記腹起し３
ａ，３ａ…と相俟って切梁９，９…による支持力が各鋼
管矢板１，１…毎に負荷されることなく、一列に並んだ
全鋼管矢板１，１…に負荷されて外水の圧力に対する対
応力を向上させる。そこで、該仮締切り内の水が全部排
水され、そして、前記切梁９，９…が相互に架設された
後は、該仮締切り内に目的構造物の構築が行われるので
ある。Further, the water W in the temporary cutoff is drained by an appropriate method, and cutting beams 9, 9... The brackets 10, 10... Are previously welded up and down at regular intervals to the inner surface of the inner steel sheet piles 1, 1,. The water surface is successively lowered by the operation, and the cut beams 9, 9... Are erected between the opposed mating brackets 10, 10... Of the steel pipe sheet piles 1, 1,. It goes. At this time, the brackets 10, 10,...
Are sequentially attached, and the beams 9, 9 ... are erected between the prongs 3a, 3a. At this time, as shown in FIG. 4 and FIG. 5, backfill concretes 11, 11... May be sequentially poured between the belly 3a and the steel pipe 1. By doing so, the swelling 3
a, 3a, and the supporting force of the cutting beams 9, 9,... is not applied to each steel pipe sheet pile 1, 1,. Improve responsiveness to water pressure. Then, after all the water in the temporary cut-off is drained, and after the cutting beams 9, 9,... Are erected each other, the target structure is constructed in the temporary cut-off.
【００１３】尚、本発明は、本発明の精神を逸脱しない
限り種々の改変を為すことができ、そして、本発明が該
改変されたものに及ぶことは当然である。The present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified ones.
【００１４】[0014]
【発明の効果】本発明は、構築せらるべき目的構造物の
外周相当部位に仮締切りを設置──とき、該外周相当部
位に一定間隔保持部材が張架せられる。該一定間隔保持
部材は仮締切り用地の面積を小にするために小巾のもの
が用いられることは当然である。該一定間隔保持部材が
前記目的構造物の外周相当部位に張架せられた後、該一
定間隔保持部材の前後面に鋼管矢板又は鋼矢板を打設
し、そして、該鋼管矢板又は鋼矢板の頭部を腹起し並び
に引張材等によって連結して固定する。或いは、該一定
間隔保持部材の代りに、前記前後の鋼管矢板又は鋼矢板
の対向面の夫々に相互に係合する継手部材を固設して該
前後の対向する継手部材を相互に係合させることによ
り、前記一定間隔を保持させて該前後の鋼管矢板又は鋼
矢板が前記目的構造物の外周相当部位に接近して打設さ
れ、そして、固定される。 而して、之等前後の鋼管矢板
又は鋼矢板の夫々の対向面には多数のスタッドが突設さ
れているので、該スタッドはこの前後の鋼管矢板又は鋼
矢板によって形成される狭巾の空間部の所々に突設され
る。そこで、この空間部に中詰めコンクリートを充填す
ることにより目的構造物の外周相当部位に仮締切りが設
置される。 斯くして、前記中詰めコンクリートと前後の
鋼管矢板又は鋼矢板は前記スタッドにより一体的に結合
するので全体の剛性が向上すると共に、該仮締切りのた
めの事業用地全体の面積を小くし、且つ、中詰めコンク
リートを用いたため止水性も向上する等、正に著大なる
効果を奏する発明である。According to the present invention , when a temporary cut-off is installed at a portion corresponding to the outer periphery of a target structure to be constructed , the portion corresponding to the outer periphery is provided.
A fixed-space holding member is stretched at the position. Hold at a fixed interval
The members are of small width to reduce the area of the temporary cutoff site
Is used naturally. The constant spacing member is
After being stretched over a portion corresponding to the outer periphery of the target structure,
Driving steel pipe sheet piles or steel sheet piles on the front and rear surfaces of the fixed spacing member
And the head of the pipe pile or steel sheet pile is prone to lining up
And fixed with a tensile member. Or the constant
Instead of the spacing member, the front and rear steel pipe sheet piles or steel sheet piles
The joint members that engage with each other are fixed to each of the opposing surfaces of the
By engaging the front and rear facing joint members with each other,
The front and rear steel pipe sheet piles or steel
The sheet pile is driven close to the periphery of the target structure.
And then fixed. Thus, steel pipe sheet piles before and after
Alternatively, a number of studs are protruded from each facing surface of the sheet pile.
The studs are made of steel pipe sheet piles or steel
Protruding from the narrow space formed by the sheet pile
You. Therefore, fill this space with filling concrete.
As a result, a temporary cut-off is
Is placed. Thus, the filling concrete and the front and rear
The steel pipe sheet piles or steel sheet piles are integrally joined by the studs, so that the overall rigidity is improved, the area of the entire business site for the temporary cut-off is reduced, and the waterproofness is also improved because of the use of filled concrete. It is an invention that has a truly significant effect.
【図１】本発明の仮締切り工法によって施工された領域
の平面図。FIG. 1 is a plan view of a region constructed by a temporary closing method according to the present invention.
【図２】本発明の仮締切り工法の要部を示し、対峙する
前後の鋼管矢板部位の平面図。FIG. 2 is a plan view showing a main part of the temporary closing method according to the present invention, showing a steel pipe sheet pile portion before and after facing each other.
【図３】図２の一部切欠側面図。FIG. 3 is a partially cutaway side view of FIG. 2;
【図４】相互に対峙して打設された鋼管矢板部位の一部
切欠平面図。FIG. 4 is a partially cutaway plan view of a steel pipe sheet pile portion facing each other.
【図５】図４の一部切欠側面図。FIG. 5 is a partially cutaway side view of FIG. 4;
【図６】他の実施例の一部を示し、その平面図。FIG. 6 is a plan view showing a part of another embodiment.
１ 鋼管矢板 ３ 腹起し ４ 引張材 ７ 中詰めコンクリート DESCRIPTION OF SYMBOLS 1 Steel pipe sheet pile 3 Upset 4 Tensile material 7 Filling concrete
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平１−210523（ＪＰ，Ａ) 特開 平５−171658（ＪＰ，Ａ) 特開 平４−76112（ＪＰ，Ａ) 特開 平２−213512（ＪＰ，Ａ) 特公 昭55−9964（ＪＰ，Ｂ２) 実公 平５−2667（ＪＰ，Ｙ２) 実公 昭51−25948（ＪＰ，Ｙ１) (58)調査した分野(Int.Cl.7，ＤＢ名) E02D 5/02 - 5/20 E02B 3/04 - 3/14 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-210523 (JP, A) JP-A-5-171658 (JP, A) JP-A-4-76112 (JP, A) JP-A-2- 213512 (JP, A) JP-B 55-9964 (JP, B2) JP-B 5-2667 (JP, Y2) JP-B 51-25948 (JP, Y1) (58) Fields investigated (Int. Cl. 7 , DB name) E02D 5/02-5/20 E02B 3/04-3/14
Claims (1)
る仮締切りであって、該仮締切り設置用地の面積を小さ
くし、且つ、高強度を維持させるために、前記目的構造
物の外周部位に一定間隔保持部材を張架し、該一定間隔
保持部材の前後面に鋼管矢板又は鋼矢板を打設して固定
し、或いは、該一定間隔保持部材の代りに前後の鋼管矢
板又は鋼矢板の対向面の夫々に相互に係合する継手部材
を固設して、該前後の対向する継手部材を相互に係合さ
せることにより前記一定間隔を保持し、且つ、該前後の
鋼管矢板又は鋼矢板の対向面には多数のスタッドが突設
されており、前記前後の鋼管矢板又は鋼矢板間の空間部
に中詰めコンクリートを打設し、該中詰めコンクリート
と前後の各鋼管矢板又は鋼矢板との付着力を向上させる
ように形成されたことを特徴とする鋼管矢板又は鋼矢板
による仮締切り工法。Claims: 1. An object installed at a position corresponding to the outer periphery of a target structure.
Temporary cut-off, and the area of the temporary cut-off installation site is reduced.
In order to maintain high strength,
A holding member at a constant interval is stretched around the outer peripheral portion of the object,
Driving steel sheet pile or steel sheet pile on the front and rear surfaces of the holding member and fixing
Or, instead of the fixed spacing member, the front and rear steel pipe arrows
Joint member mutually engaging with each of opposing surfaces of a sheet or a sheet pile
And the front and rear facing joint members are engaged with each other.
To maintain the constant interval, and
Numerous studs protrude on the opposite side of steel pipe sheet pile or steel sheet pile
And the space between the steel pipe sheet piles or the steel sheet piles before and after
Pour concrete into the concrete
To improve the adhesive force between the steel pipe sheet pile and the steel sheet pile before and after
A temporary closing method using a steel pipe sheet pile or a steel sheet pile formed as described above .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5159554A JP3007241B2 (en) | 1993-06-29 | 1993-06-29 | Temporary closing method using steel sheet pile or steel sheet pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5159554A JP3007241B2 (en) | 1993-06-29 | 1993-06-29 | Temporary closing method using steel sheet pile or steel sheet pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0718668A JPH0718668A (en) | 1995-01-20 |
| JP3007241B2 true JP3007241B2 (en) | 2000-02-07 |
Family
ID=15696281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5159554A Expired - Fee Related JP3007241B2 (en) | 1993-06-29 | 1993-06-29 | Temporary closing method using steel sheet pile or steel sheet pile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3007241B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102184900B1 (en) * | 2019-06-10 | 2020-12-01 | 최창호 | Temporary retaining wall structure using circular steel pipe and construction method thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2784637B2 (en) * | 1995-09-07 | 1998-08-06 | 恒二 川原 | Deep foundation structure using pipe pile and its construction method |
| CN103882878B (en) * | 2014-03-21 | 2016-06-08 | 北京工业大学 | A kind of hard rock riverbed, abrupt slope deep water cushion cap combined steel sheeting cofferdam constructional method |
| CN106013192B (en) * | 2016-06-15 | 2018-06-01 | 中铁广州工程局集团有限公司 | A kind of method of cofferdam construction after steel sheet-pile cofferdam elder generation multilayer inner support is integrally transferred |
| CN107165170B (en) * | 2017-06-09 | 2019-11-26 | 上海市机械施工集团有限公司 | A kind of foundation ditch construction method |
| CN108729457A (en) * | 2018-06-27 | 2018-11-02 | 中铁十六局集团第三工程有限公司 | A kind of steel pipe pile cofferdam and its construction method for bridge deepwater foundation |
| CN111119212A (en) * | 2019-12-18 | 2020-05-08 | 中建三局基础设施建设投资有限公司 | Construction method for sinking double-wall steel cofferdam under deep clay layer condition |
-
1993
- 1993-06-29 JP JP5159554A patent/JP3007241B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102184900B1 (en) * | 2019-06-10 | 2020-12-01 | 최창호 | Temporary retaining wall structure using circular steel pipe and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0718668A (en) | 1995-01-20 |
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