JPH06128949A - Reinforcing structural member for underground continuous wall - Google Patents
Reinforcing structural member for underground continuous wallInfo
- Publication number
- JPH06128949A JPH06128949A JP28195292A JP28195292A JPH06128949A JP H06128949 A JPH06128949 A JP H06128949A JP 28195292 A JP28195292 A JP 28195292A JP 28195292 A JP28195292 A JP 28195292A JP H06128949 A JPH06128949 A JP H06128949A
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- Prior art keywords
- steel
- web
- reinforcing structure
- members
- steel bars
- Prior art date
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、地中連続壁を構築す
る際に鉄筋籠に代わってコンクリートに埋め込まれる鋼
板部材を主体とした補強構造体の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a reinforcing structure mainly composed of a steel plate member which is embedded in concrete instead of a reinforcing cage when constructing an underground continuous wall.
【０００２】[0002]
【従来の技術】例えば特開平４−２３７７１４号公報に
開示されているように、大深度の地中連続壁を構築する
に際し、従来一般的な鉄筋籠を用いずに、鋼板や型鋼あ
るいは角鋼管を用いて構成される補強構造体を掘削溝内
に建て込んでコンクリートを打設する工法が開発されて
いる。そのような地中連続壁の補強構造体の従来の代表
的な例を図１に示している。2. Description of the Related Art As disclosed in, for example, Japanese Patent Application Laid-Open No. 4-237714, when constructing a deep underground continuous wall, a steel plate, a section steel or a square steel pipe is used without using a conventional rebar cage. A construction method has been developed in which a reinforced structure constructed by using is built into the excavation trench and concrete is placed. A typical conventional example of such a reinforcing structure for an underground continuous wall is shown in FIG.
【０００３】図１に示す従来例は多数のＨ型鋼１を連設
してなる補強構造体である。地盤Ｅに掘削した地中連続
壁用の溝内に複数のＨ型鋼１を垂直に挿入して溝方向に
並べ、各Ｈ型鋼１のフランジ２の側端面同士を突き合わ
せた形で連結する。フランジ２の連結構造には各種のも
のが提案されている。例えばフランジ２の側端面に予め
継手を溶接しておき、各Ｈ型鋼１を掘削溝内に順次建て
込む際にフランジ側端の継手を結合する構造がある。ま
た複数のＨ型鋼１のフランジ２を突き合わせて予め溶接
などで連結しておいて、掘削溝に建て込む方法もある。
さらに、フランジ２の側端同士を直接的には連結せず、
その間に適宜幅の鋼板を当てがって溶接あるいはボルト
止めなどで連結する構造も知られている。これらの詳細
な構造は本発明と直接関係しない。この種の地中連続壁
の補強構造体の基本構造は、掘削溝に建て込んだ状態に
おいて、２枚の鋼板部材（継手などで連設された多数の
フランジ２）が掘削溝の両側面に沿って平行に配置さ
れ、これら鋼板部材の間に適宜間隔をおいて一体的に挾
まれた複数の鋼板製ウェブ部材（Ｈ型鋼１のウェ部３）
が掘削溝に垂直に配置される構造体である。The conventional example shown in FIG. 1 is a reinforcing structure in which a large number of H-shaped steels 1 are continuously provided. A plurality of H-shaped steels 1 are vertically inserted into the groove for the underground continuous wall excavated in the ground E and arranged in the groove direction, and the side end surfaces of the flanges 2 of the H-shaped steels 1 are connected to each other in a form of butting. Various types of connection structures for the flange 2 have been proposed. For example, there is a structure in which a joint is preliminarily welded to the side end surface of the flange 2 and the joint at the flange side end is coupled when each H-shaped steel 1 is sequentially built in the excavation groove. There is also a method in which a plurality of flanges 2 of the H-shaped steel 1 are butted and previously connected by welding or the like, and then the H-shaped steel 1 is installed in an excavation groove.
Further, the side ends of the flange 2 are not directly connected to each other,
A structure is also known in which a steel plate having an appropriate width is applied between them and connected by welding or bolting. These detailed structures are not directly related to the present invention. This type of underground continuous wall reinforcement structure has a basic structure in which two steel plate members (a large number of flanges 2 connected by joints or the like) are provided on both sides of the excavation groove in a state of being built in the excavation groove. A plurality of steel plate web members (wafers 3 of H-shaped steel 1) that are arranged in parallel along each other and are sandwiched integrally with each other at appropriate intervals between these steel plate members.
Is a structure that is arranged vertically to the trench.
【０００４】この補強構造体の内部空間及び周辺の空間
にコンクリートを打設充填し、地中連続壁を構築する。Concrete is poured and filled into the inner space and the surrounding space of the reinforcing structure to construct an underground continuous wall.
【０００５】[0005]
【発明が解決しようとする課題】ところで、図１のよう
な基本構造の従来の補強構造体を用いて地中連続壁を構
築した例を図２に示す。図２において、１０および２０
は補強構造体における前記板状部材およびウェブ部材を
示し、３０は補強構造体の内部に打設されたコンクリー
トを示している。前述のように板状部材１０は例えば多
数のＨ型鋼のフランジを適宜な継手を介して連設するこ
とで構成されている（図示しない）ため、その継手部分
では壁に垂直方向に作用する水平力Ｐに対する水平方向
の曲げ耐力が比較的小さく、過大な水平力Ｐが作用する
と板状部材１０の継手部分にクラック４０を生じやす
い。By the way, FIG. 2 shows an example in which a continuous underground wall is constructed by using a conventional reinforcing structure having a basic structure as shown in FIG. In FIG. 2, 10 and 20
Indicates the plate member and the web member in the reinforcing structure, and 30 indicates concrete cast inside the reinforcing structure. As described above, the plate-shaped member 10 is constituted by, for example, a large number of H-shaped steel flanges connected in series through appropriate joints (not shown), and therefore, at the joint portion, a horizontal portion that acts vertically on the wall is provided. The bending resistance in the horizontal direction against the force P is relatively small, and when an excessive horizontal force P acts, cracks 40 are likely to occur in the joint portion of the plate member 10.
【０００６】この発明は前述した従来の問題点に鑑みな
されたもので、その目的は、前述のような基本構造の地
中連続壁の補強構造体に簡単に実施できる改良を施すこ
とで前記の水平方向曲げ耐力を増大させることにある。The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to provide an improvement which can be easily implemented to the reinforcing structure of the underground continuous wall having the above-mentioned basic structure. It is to increase the horizontal bending resistance.
【０００７】[0007]
【課題を解決するための手段】そこでこの発明では、掘
削溝に建て込んだ状態において、２枚の鋼板部材が掘削
溝の両側面に沿って平行に配置され、これら鋼板部材の
間に適宜間隔をおいて一体的に挾まれた複数の鋼板製ウ
ェブ部材が掘削溝に垂直に位置される地中連続壁の補強
構造体であって、前記ウェブ部材に多数の棒鋼が取り付
けられ、これら棒鋼が隣接する前記ウェブ部材を結ぶ方
向に配置されていることを特徴とするものである。In view of the above, according to the present invention, two steel plate members are arranged in parallel along both side surfaces of the digging groove in a state of being built in the digging groove, and an appropriate gap is provided between the steel plate members. A plurality of steel plate web members sandwiched together in a reinforcing structure of an underground continuous wall positioned vertically to the excavation groove, a large number of steel bars are attached to the web member, these steel bars are It is characterized in that it is arranged in a direction connecting the adjacent web members.
【０００８】また、前記ウェブ部材はＨ型鋼のウェブに
よって構成され、そのＨ型鋼のフランジによって前記板
状部材の一部が構成されているとともに、隣接する各Ｈ
型鋼のフランジ間が前記板状部材の一部となる鋼矢板で
連結されていることを特徴とする。Further, the web member is composed of an H-shaped steel web, and the flange of the H-shaped steel constitutes a part of the plate-shaped member, and each of the adjacent H-shaped members.
The flanges of the shaped steel are connected by a steel sheet pile which is a part of the plate member.
【０００９】さらに、前記隣り合って対向するウェブに
取り付けられた棒鋼は、同一の空間内で干渉しないよう
に両側から伸びる棒鋼の位置が水平方向および高さ方向
にともにずれるように配列されていることを特徴とす
る。Further, the steel bars attached to the webs adjacent to and facing each other are arranged so that the positions of the steel bars extending from both sides are shifted in the horizontal direction and the height direction so as not to interfere in the same space. It is characterized by
【００１０】[0010]
【作用】２枚の前記板状部材の間隔内にコンクリートを
打設充填すると、多数の前記棒鋼がコンクリート中に埋
め込まれて鉄筋として機能する。この補強構造体を用い
て構築した地中連続壁に図２に示す水平力Ｐを作用する
と、水平方向の曲げ応力が前記棒鋼を介して隣接するウ
ェブ部材に伝達され、水平方向曲げ耐力が大幅に向上す
る。When concrete is poured and filled in the space between the two plate members, a large number of the steel bars are embedded in the concrete and function as reinforcing bars. When the horizontal force P shown in FIG. 2 is applied to the underground wall constructed by using this reinforcing structure, the horizontal bending stress is transmitted to the adjacent web member via the steel bar, and the horizontal bending strength is significantly increased. Improve to.
【００１１】[0011]
【実施例】この発明の一実施例による地中連続壁の補強
構造体の概略構成を図３に示している。この実施例では
図１に示す基本構造を多数のＨ型鋼５と多数の鋼矢板６
とで構成している。掘削溝内にＨ型鋼５を垂直に挿入し
て溝の水平方向に適宜間隔をおいて配列し、各Ｈ型鋼５
の両フランジ５ｂを掘削溝の両側面に沿わせる方向性と
する。そして、所定間隔をおいて配列された各Ｈ型鋼５
のフランジ５ｂの側端間を繋ぐように鋼矢板６を組合
せ、フランジ５ｂの側端と鋼矢板６の側端とを予め両者
に付設してある継手構造７により連結する。以上によ
り、掘削溝の両側端に沿って平行に配置される２枚の鋼
板製板状部材（Ｈ型鋼５のフランジ５ｂと鋼矢板６から
なる）が前記溝内に垂直に配置される鋼板製ウェブ部材
（Ｈ型鋼５のウェブ５ａからなる）を挾んで一体化され
た基本構造体が形成される。EXAMPLE FIG. 3 shows a schematic structure of a reinforcing structure for a continuous underground wall according to an example of the present invention. In this embodiment, the basic structure shown in FIG. 1 is applied to a large number of H-section steels 5 and a large number of steel sheet piles 6.
It consists of and. The H-section steels 5 are vertically inserted in the excavation trenches and arranged at appropriate intervals in the horizontal direction of the trenches.
Both the flanges 5b are set to be along the side surfaces of the excavation groove. And each H-section steel 5 arranged at a predetermined interval
The steel sheet piles 6 are combined so as to connect the side ends of the flanges 5b, and the side ends of the flanges 5b and the steel sheet piles 6 are connected by a joint structure 7 attached to both sides in advance. As described above, the two steel plate members (comprising the flange 5b of the H-shaped steel 5 and the steel sheet pile 6) arranged in parallel along the both ends of the excavation groove are made of steel plates vertically arranged in the groove. An integral basic structure is formed by sandwiching the web member (consisting of the web 5a of the H-shaped steel 5).
【００１２】この実施例の特徴とする点は、Ｈ型鋼５の
ウェブ５ａに多数の棒鋼８を予め取り付けた点にある。
棒鋼８はウェブ５ａに垂直に片持ち状態で溶接やボルト
構造などで取り付けられている。棒鋼８はウェブ５ａに
垂直に取り付けられているので、図３のように補強構造
体として掘削溝に建て込んだ状態では、多数の棒鋼８は
２枚の板状部材（フランジ５ｂと鋼矢板６）の間隔内に
おいて当該板状部材とほぼ平行で水平に配置される。A feature of this embodiment is that a large number of steel bars 8 are attached to the web 5a of the H-shaped steel 5 in advance.
The steel bars 8 are vertically attached to the web 5a in a cantilevered state by welding, a bolt structure or the like. Since the steel bars 8 are vertically attached to the web 5a, a large number of steel bars 8 are two plate-shaped members (flange 5b and steel sheet pile 6) in a state of being built in the excavation groove as a reinforcing structure as shown in FIG. ), It is arranged substantially parallel to the plate member and horizontally.
【００１３】また図３の実施例では、ウェブ５ａのほぼ
同一高さ位置の水平面内において２本の棒鋼８が適当な
間隔で平行に取り付けられている。また、水平方向に並
ぶ２本の棒鋼８を一組とし、多数の組がウェブ５ａの高
さ方向に適当な間隔で配列されている。２本一組の棒鋼
８の間隔を組ごとに適当に変化させるとともに、フラン
ジ５ｂと棒鋼８の間隔も組ごとに適当に変化させる。そ
して、隣り合って対向している２つのウェブ５ａに取り
付けられた多数の棒鋼８が鋼や板６で囲まれた同一の空
間内で干渉しないように、両側から伸びる棒鋼８の位置
が水平方向および高さ方向にともにずれてラップするよ
うな配列とする。棒鋼８の配列状態の好適な例を図４
（ａ），（ｂ）に示す。すなわち、図４（ａ）では同図
中で左側に示すＨ型鋼の棒鋼の同一水平面内における配
置位置を図中で上側からａ，ｃ，ｂとし、右側に示すＨ
型鋼の棒鋼の同一水平面内における配置位置をｂ，ｃ，
ａとしてある（ただしａ＜ｂ）。また、図４（ｂ）で
は、左側のＨ型鋼の同様な棒鋼の配置位置をａ，ｃ，ａ
とし、右側のＨ型鋼の同様な棒鋼の配置位置をｂ，ｄ，
ｂとしてある（ただしａ＜ｂ、ｃ＜ｄ）。Further, in the embodiment shown in FIG. 3, two steel bars 8 are attached in parallel at appropriate intervals in the horizontal plane of the web 5a at substantially the same height. Further, two steel bars 8 arranged in the horizontal direction are set as one set, and a large number of sets are arranged at appropriate intervals in the height direction of the web 5a. The distance between the pair of steel bars 8 is appropriately changed for each group, and the distance between the flange 5b and the steel bar 8 is appropriately changed for each group. Then, the positions of the steel bars 8 extending from both sides are set in the horizontal direction so that the many steel bars 8 attached to the two webs 5a that are adjacent and facing each other do not interfere with each other in the same space surrounded by the steel and the plate 6. Also, the arrangement is such that both are offset in the height direction and wrapped. A preferred example of the arrangement state of the steel bars 8 is shown in FIG.
Shown in (a) and (b). That is, in FIG. 4 (a), the arrangement positions of the H-shaped steel bars shown on the left side in the figure in the same horizontal plane are a, c, and b from the top side in the figure, and H shown on the right side.
The placement positions of the steel bars of the shaped steel in the same horizontal plane are b, c,
a (where a <b). Further, in FIG. 4B, the arrangement positions of similar steel bars of the H-shaped steel on the left side are a, c, and a.
And the placement position of a similar steel bar on the right side of H-section steel is b, d,
b (however, a <b, c <d).
【００１４】図３に示す形態で補強構造体を掘削溝内に
建て込み、その補強構造体の内部空間および周囲の空間
にコンクリートを打設充填して、地中連続壁を構築す
る。そうすると、壁と平行で水平に埋め込まれた多数の
棒鋼８が壁に加わる水平曲げモーメントを負担する鉄筋
として効果的に機能し、継手部分の水平方向曲げ耐力は
棒鋼８のない場合に比べて大幅に向上する。The reinforcing structure is built in the excavation groove in the form shown in FIG. 3, and the interior space and surrounding space of the reinforcing structure is poured and filled with concrete to construct an underground continuous wall. Then, a large number of steel bars 8 that are embedded horizontally in parallel with the wall effectively function as reinforcing bars that bear the horizontal bending moment applied to the wall, and the horizontal bending proof strength of the joint part is significantly larger than that without the steel bars 8. Improve to.
【００１５】なお、前記の実施例では棒鋼８はウェブ５
ａに片持ち状態で取り付けられているが、本発明はこれ
に限定されるものではない。例えば図３の実施例におい
て、複数のＨ型鋼５と複数の鋼矢板６を現場にて建て込
む前に一体的に連結するものであれば、複数のウェブ５
ａを貫通してこれらに掛け渡すように長い棒鋼を取り付
けることもできる。In the above embodiment, the steel bar 8 is the web 5
Although it is attached in a cantilever state to a, the present invention is not limited to this. For example, in the embodiment of FIG. 3, if a plurality of H-shaped steels 5 and a plurality of steel sheet piles 6 are integrally connected before being built on site, a plurality of webs 5 will be used.
It is also possible to attach a long steel bar so as to pass through a and hang over them.
【００１６】[0016]
【発明の効果】以上詳細に説明したように、この発明に
よれば、鋼板製板状部材と鋼板製ウェブ部材とで構成さ
れる補強構造体に鉄筋として機能する棒鋼を付加するこ
とで、地中連続壁の水平方向曲げ耐力を大幅に向上させ
ることができる。As described in detail above, according to the present invention, a steel bar functioning as a reinforcing bar is added to a reinforcing structure composed of a plate member made of a steel plate and a web member made of a steel plate. The horizontal bending strength of the middle continuous wall can be significantly improved.
【図１】従来の地中連続壁の補強構造体の基本構造を示
す概略図である。FIG. 1 is a schematic view showing a basic structure of a conventional reinforcing structure for a continuous underground wall.
【図２】同上従来技術の問題点の説明図である。FIG. 2 is an explanatory diagram of a problem of the conventional technique of the above.
【図３】この発明の一実施例による地中連続壁の補強構
造体の要部構成を示す概略斜視図である。FIG. 3 is a schematic perspective view showing a main structure of a reinforcing structure for a continuous underground wall according to an embodiment of the present invention.
【図４】棒鋼の配列状態の例を示す概略平面図である。FIG. 4 is a schematic plan view showing an example of an array state of steel bars.
１ａ，１ｂ 鋼板製板状部材 ２ 鋼板製ウェブ部材 ５ Ｈ型鋼 ５ａ ウェブ ５ｂ フランジ ６ 鋼矢板 ８ 棒鋼 1a, 1b Plate-shaped member made of steel plate 2 Web member made of steel plate 5 H-shaped steel 5a Web 5b Flange 6 Steel sheet pile 8 Steel bar
───────────────────────────────────────────────────── フロントページの続き (71)出願人 000219875 東急建設株式会社 東京都渋谷区渋谷１丁目16番14号 (71)出願人 000140292 株式会社奥村組 大阪府大阪市阿倍野区松崎町２丁目２番２ 号 (72)発明者 田崎 和之 東京都千代田区大手町２丁目６番３号 新 日本製鐵株式会社内 (72)発明者 龍田 昌毅 東京都千代田区大手町２丁目６番３号 新 日本製鐵株式会社内 (72)発明者 渡辺 俊雄 東京都港区芝浦１丁目２番３号 清水建設 株式会社内 (72)発明者 古部 浩 東京都港区北青山２丁目５番８号 株式会 社間組内 (72)発明者 平井 正哉 東京都千代田区神田司町２丁目３番地 株 式会社大林組東京本社内 (72)発明者 鈴木 巧 東京都千代田区神田司町２丁目３番地 株 式会社大林組東京本社内 (72)発明者 平尾 淳一 東京都千代田区神田司町２丁目３番地 株 式会社大林組東京本社内 (72)発明者 酒井 邦登 東京都渋谷区渋谷１丁目16番14号 東急建 設株式会社内 (72)発明者 渋沢 重彦 東京都渋谷区渋谷１丁目16番14号 東急建 設株式会社内 (72)発明者 宮崎 太 東京都渋谷区渋谷１丁目16番14号 東急建 設株式会社内 (72)発明者 坂 史朗 大阪府大阪市阿倍野区松崎町２丁目２番２ 号 株式会社奥村組内 (72)発明者 水谷 善行 大阪府大阪市阿倍野区松崎町２丁目２番２ 号 株式会社奥村組内 ─────────────────────────────────────────────────── ─── Continued Front Page (71) Applicant 000219875 Tokyu Construction Co., Ltd. 1-16-14 Shibuya, Shibuya-ku, Tokyo (71) Applicant 000140292 Okumura Gumi Co., Ltd. 2-2-2 Matsuzaki-cho, Abeno-ku, Osaka-shi, Osaka No. (72) Inventor Kazuyuki Tazaki 2-3-6 Otemachi, Chiyoda-ku, Tokyo Within Nippon Steel Corporation (72) Inventor Masaki Tatsuta 2-3-6 Otemachi, Chiyoda-ku, Tokyo New Japan (72) Inventor Toshio Watanabe 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Hiroshi Furube 2-5-8 Kita-Aoyama, Minato-ku, Tokyo Inter-company group (72) Inventor Masaya Hirai 2-3 Kandaji-cho, Chiyoda-ku, Tokyo Obayashi Corporation Tokyo Head Office (72) Inventor Takumi Suzuki 2-chome, Kandaji-cho, Chiyoda-ku, Tokyo Incorporated company Obayashi Tokyo Head Office (72) Inventor Junichi Hirao 2-3 Kandajimachi, Chiyoda-ku, Tokyo Address Incorporated Company Obayashi Tokyo Main Office (72) Inventor Kunito Sakai 1-16 Shibuya, Shibuya-ku, Tokyo 14 Tokyu Construction Co., Ltd. (72) Inventor Shigehiko Shibusawa 1-16-14 Shibuya, Tokyo Tokyu Construction Co., Ltd. (72) Inventor Futoshi Miyazaki 1-16-14 Shibuya, Tokyo Tokyu Construction Co., Ltd. (72) Inventor Shiro Saka 2-2-2 Matsuzaki-cho, Abeno-ku, Osaka-shi, Osaka Prefecture Okumura-gumi Co., Ltd. (72) Yoshiyuki Mizutani 2-chome, Matsuzaki-cho, Abeno-ku, Osaka-shi, Osaka No. 2 Okumura Gumi Co., Ltd.
Claims (3)
の鋼板部材が掘削溝の両側面に沿って平行に配置され、
これら鋼板部材の間に適宜間隔をおいて一体的に挾まれ
た複数の鋼板製ウェブ部材が掘削溝に垂直に配置される
地中連続壁の補強構造体であって、前記ウェブ部材に多
数の棒鋼が取り付けられ、これら棒鋼が隣接する前記ウ
ェブ部材を結ぶ方向に配置されていることを特徴とする
地中連続壁の補強構造体。1. In a state of being built in a digging groove, two steel plate members are arranged in parallel along both side surfaces of the digging groove,
A plurality of steel plate web members integrally sandwiched between these steel plate members at appropriate intervals is a reinforcing structure for an underground continuous wall arranged vertically to the excavation trench, and a large number of web members are provided on the web member. A reinforcing structure for a continuous underground wall, in which steel bars are attached, and the steel bars are arranged in a direction connecting the adjacent web members.
て構成され、そのＨ型鋼のフランジによって前記板状部
材の一部が構成されているとともに、隣接する各Ｈ型鋼
のフランジ間が前記板状部材の一部となる鋼矢板で連結
されていることを特徴とする請求項１記載の地中連続壁
の補強構造体。2. The web member is made of an H-section steel web, and a flange of the H-section steel constitutes a part of the plate-like member, and the plate-like member is provided between adjacent flanges of the H-section steels. The reinforcing structure for a continuous underground wall according to claim 1, wherein the reinforcing structure is connected with steel sheet piles that are a part of the structure.
けられた棒鋼は、同一の空間内で干渉しないように両側
から伸びる棒鋼の位置が水平方向および高さ方向にとも
にずれるように配列されていることを特徴とする請求項
１又は２記載の地中連続壁の補強構造体。3. The steel bars attached to the webs that are adjacent and facing each other are arranged such that the positions of the steel bars extending from both sides are shifted in the horizontal direction and the height direction so as not to interfere in the same space. The reinforcing structure for a continuous underground wall according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28195292A JPH06128949A (en) | 1992-10-20 | 1992-10-20 | Reinforcing structural member for underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28195292A JPH06128949A (en) | 1992-10-20 | 1992-10-20 | Reinforcing structural member for underground continuous wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06128949A true JPH06128949A (en) | 1994-05-10 |
Family
ID=17646198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28195292A Pending JPH06128949A (en) | 1992-10-20 | 1992-10-20 | Reinforcing structural member for underground continuous wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06128949A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369924A (en) * | 2022-08-02 | 2022-11-22 | 中国建筑第八工程局有限公司 | Construction method of underground continuous wall joint |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03180612A (en) * | 1989-12-08 | 1991-08-06 | Shimizu Corp | Underground continuous wall |
-
1992
- 1992-10-20 JP JP28195292A patent/JPH06128949A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03180612A (en) * | 1989-12-08 | 1991-08-06 | Shimizu Corp | Underground continuous wall |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369924A (en) * | 2022-08-02 | 2022-11-22 | 中国建筑第八工程局有限公司 | Construction method of underground continuous wall joint |
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