JP2964933B2 - Underground structure, asymmetric U-shaped sheet pile, and method of placing asymmetric U-shaped sheet pile - Google Patents
Underground structure, asymmetric U-shaped sheet pile, and method of placing asymmetric U-shaped sheet pileInfo
- Publication number
- JP2964933B2 JP2964933B2 JP7286198A JP28619895A JP2964933B2 JP 2964933 B2 JP2964933 B2 JP 2964933B2 JP 7286198 A JP7286198 A JP 7286198A JP 28619895 A JP28619895 A JP 28619895A JP 2964933 B2 JP2964933 B2 JP 2964933B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet pile
- steel sheet
- asymmetric
- wall
- shaped
- 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
Landscapes
- Residential Or Office Buildings (AREA)
- Foundations (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本願発明は、掘削工事用土留
鋼矢板をそのまま地下室あるいは共同溝等の耐力壁に利
用するとともに、地上建屋等の上部構造の基礎を兼ねさ
せた地下構造体、その地下構造体の構築に適した非対称
Ｕ型鋼矢板、および非対称Ｕ型鋼矢板の打設方法に関す
るものである。The present invention relates, as well utilize excavation for earth retaining sheet pile as it is to the bearing wall such as basement or joint groove, underground structures serve as the basis for the upper structure of the earth building or the like, As a The present invention relates to an asymmetric U-shaped steel sheet pile suitable for construction of an underground structure and a method of driving the asymmetric U-shaped steel sheet pile .
【０００２】[0002]
【従来の技術】都心部およびその近郊では、建物の居住
空間を増すため、限られた敷地に地下室等を設けること
が多い。この狭い敷地内で地下室を建造する場合、特に
工事スペースが確保し難いことや、施工期間の長期化、
コストの高騰等の問題がある。2. Description of the Related Art In an urban area and its suburbs, a basement or the like is often provided on a limited site to increase the living space of a building. When constructing a basement on this narrow site, it is particularly difficult to secure construction space,
There are problems such as soaring costs.
【０００３】例えば、従来の地下室の施工方法として
は、図９に示すように地下室５１設置位置の地盤をオー
プンカット工法により掘削するのが一般的であるが、余
掘りする範囲５２が大きく、敷地境界と地下室５１の外
壁面との間にかなりの距離Ｌを確保する必要があった。For example, as a conventional method of constructing a basement, as shown in FIG. 9, it is common to excavate the ground at the installation position of the basement 51 by an open cut method, but the excavation area 52 is large, and It was necessary to secure a considerable distance L between the boundary and the outer wall of the basement 51.
【０００４】これらの問題に対処するため、地下室建造
の技術として、種々の工法が提案されてきた。[0004] In order to address these problems, various construction methods have been proposed as techniques for building a basement.
【０００５】特開昭５８−２２２２１９号公報には、工
場で製作された地下室外壁の分割体としてのパネルまた
は外壁の一体囲繞成形体を、地盤改良した地盤に圧入
し、内部を掘削して地下室を構築する工法が記載されて
いる。Japanese Patent Application Laid-Open No. 58-222219 discloses that a panel as a divided body of an outer wall of a basement or an integrally formed molded body of the outer wall is press-fitted into a ground with improved ground, and the inside is excavated. Is described.
【０００６】また、特開昭６０−１３１２５号公報に
は、図１０に示すように、プレキャストコンクリートパ
ネル等で組み立て、下端に刃口６３を有する地下室躯体
６２を、直接地中に圧入して地下室６１を構築する方法
が記載されている。Japanese Unexamined Patent Publication No. 60-13125 discloses a basement building 62 which is assembled from precast concrete panels or the like and has a blade 63 at a lower end directly into the ground as shown in FIG. A method for constructing 61 is described.
【０００７】さらに、地下壁が地上建屋の基礎を兼ねる
地下構造体として、特開昭６２−２２０６６３号公報や
特開平６−２７２２６４号公報には、地上建屋をプレキ
ャストコンクリート製の地下室部分で支持した構造が記
載されている。Further, as an underground structure in which the underground wall also serves as the foundation of the above-ground building, Japanese Patent Application Laid-Open Nos. 62-22063 and 62-272264 have disclosed that the above-ground building is supported by a basement section made of precast concrete. The structure is described.
【０００８】一方、土留壁等として用いられる鋼矢板に
関し、従来一般的に用いられているＵ型鋼矢板９１をバ
イブロハンマーあるいは油圧式圧入機で施工する場合、
図１８に示すようにウェブ部をチャッキングし、振動ま
たは油圧により打設する。On the other hand, regarding a steel sheet pile used as an earth retaining wall or the like, when a U-type steel sheet pile 91 generally used conventionally is constructed by a vibro hammer or a hydraulic press machine,
As shown in FIG. 18 , the web portion is chucked and driven by vibration or hydraulic pressure.
【０００９】従来、一般的なＵ型鋼矢板９１は、両端に
継手９１ａを形成した左右対称の横断面形状を有してお
り、内外を交互に逆向きにして継手９１ａどうしを係合
させ連設することで、土留壁等としての鋼矢板壁９２を
構築しているが、このとき継手部の抵抗や地盤抵抗が大
きい等の原因により、図中矢印の方向へ回転し、地中部
でねじれが発生する場合がある（図１９参照）。Conventionally, a general U-shaped sheet pile 91 has a symmetrical cross-sectional shape in which joints 91a are formed at both ends, and the joints 91a are engaged alternately with the inside and outside being alternately reversed. By doing so, the steel sheet pile wall 92 as an earth retaining wall or the like is constructed, but at this time, due to a large resistance of the joint portion and the ground resistance, the steel sheet pile wall 92 rotates in the direction of the arrow in the figure, and the twist in the underground portion is reduced. May occur (see FIG. 19 ).
【００１０】また、構築された鋼矢板壁９２を地下室等
の壁の一部として利用する場合、最も簡易な方法として
は、図２０に示すように鋼矢板壁９２面にジベル９３等
を取り付け、現場でコンクリート９４を打設する方法が
ある。When the constructed steel sheet pile wall 92 is used as a part of a wall of a basement or the like, the simplest method is to attach a dowel 93 or the like to the steel sheet pile wall 92 as shown in FIG. There is a method of placing concrete 94 on site.
【００１１】この他、特開平５−１４０９２８号公報に
は、Ｕ型鋼矢板について両端の継手形状を左右非対称と
し、横断面形状を同一方向にそろえて直線上に結合可能
とした非対称Ｕ型鋼矢板が記載されている。In addition, Japanese Unexamined Patent Publication (Kokai) No. 5-140928 discloses an asymmetric U-shaped steel sheet pile in which a joint shape at both ends of the U-shaped steel sheet pile is asymmetrical, and a cross-sectional shape is aligned in the same direction and can be connected linearly. Are listed.
【００１２】[0012]
【発明が解決しようとする課題】上述した特開昭５８−
２２２２１９号公報や特開昭６０−１３１２５号公報に
記載された工法は、敷地が狭くても施工が可能であり、
地下室側の内部のみを掘削、排土することで、地下室外
側の余掘りや土留めが不要となり、工期、コストともに
少なくなるとされている。SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Application Laid-Open No.
The construction methods described in 222222 and JP-A-60-13125 can be performed even if the site is small,
Excavating and discharging only the inside of the basement side eliminates the need for extra excavation and soil retaining outside the basement, reducing both the construction period and cost.
【００１３】しかし、プレキャストコンクリート製によ
る地中壁の場合、地下室への水浸透防止の観点から、壁
厚は通常１５０〜２００mm程度と厚くする必要があり、
重量も大きくなる。また、土中に圧入設置する場合の土
の摩擦抵抗力も大きく、さらに大型のプレキャストコン
クリート製パネルを吊り上げる等の作業に難点がある。However, in the case of an underground wall made of precast concrete, it is necessary to increase the wall thickness to about 150 to 200 mm from the viewpoint of preventing water from penetrating into the basement.
Weight also increases. In addition, the friction resistance of the soil when it is press-fitted into the soil is large, and there is a difficulty in operations such as lifting large precast concrete panels.
【００１４】この他、プレキャストコンクリート製地下
室は鋼製地下室と比べ、個々の構成部材形状が限定さ
れ、重量も大きくなるため、地下室形状の自由度の点で
劣るといった問題もある。In addition, the basement made of precast concrete has a problem in that the shape of the individual components is limited and the weight is increased as compared with the basement made of steel, so that the degree of freedom of the shape of the basement is inferior.
【００１５】地上建屋をプレキャストコンクリート製の
地下室部分で支持した構造について、上述した特開昭６
２−２２０６６３号公報や特開平６−２７２２６４号公
報に記載された構造の場合、地上建屋の布基礎は地下室
の壁となるプレキャストコンクリート製パネルまたはブ
ロックが兼用されている。このような本基礎兼用地下構
造材としてはプレキャストコンクリート製品以外には未
だ適用されていないのが現状である。The structure in which the above-ground building is supported by a precast concrete basement is described in Japanese Patent Laid-Open No.
In the case of the structures described in JP-A-2-220663 and JP-A-6-272264, a precast concrete panel or block serving as a basement wall is also used as a cloth foundation of a ground building. At present, such underground structural materials that are also used as foundations have not been applied to anything other than precast concrete products.
【００１６】一方、地下室を鋼製にした例として、実開
昭６３−１００５４２号公報記載の考案があるが、この
場合も布基礎は地下室のない部分に設置され、直接地上
建屋の荷重が鋼製地下室の躯体に作用しない構造を採用
している。On the other hand, as an example in which the basement is made of steel, there is a device described in Japanese Utility Model Application Laid-Open No. 63-100542. In this case as well, the cloth foundation is installed in a part without the basement, and the load on the ground building is directly reduced by steel. It has a structure that does not act on the skeleton of the basement.
【００１７】本願発明の地下構造体は、狭小敷地で
も、敷地境界いっぱいに土地の有効スペースを広げられ
ること、地下室等の地下構造体の建造のための土留め
掘削量を減少できること、土留壁が直接地下室等の外
壁に適用できること、土留壁が地上建屋等の上部構造
の基礎を兼用できること、土留壁が地下室等の外壁と
して高い剛性を有すること等を課題として、これらの課
題を解決することにより、土地の有効活用、施工期間の
短縮、建設コストの低減を図ったものである。The underground structure according to the present invention is capable of expanding the effective space of the land over the site boundary even on a small site, reducing the amount of earth retaining excavation for the construction of an underground structure such as a basement room, and having an earth retaining wall. By solving these problems, it can be applied directly to the outer wall of a basement, etc., the retaining wall can also serve as the foundation of the upper structure such as the ground building, and the retaining wall has high rigidity as the outer wall of the basement, etc. The aim is to make effective use of land, shorten the construction period, and reduce construction costs.
【００１８】また、地下構造体の構築に用いる鋼矢板に
関しては、前述した打設中における地中部での回転、ね
じれにより、図１９に示すようにＵ型鋼矢板９１が蛇行
し、法線距離が短くなるといった問題がある。特に、地
中部ではその影響が大きく、鋼矢板前面を掘削した場
合、壁面の平坦性が著しく悪くなる。Regarding the steel sheet pile used for the construction of the underground structure, the U-shaped steel sheet pile 91 meanders as shown in FIG. There is a problem that it becomes shorter. In particular, the influence is great in the underground part, and when excavating the front of the steel sheet pile, the flatness of the wall surface is significantly deteriorated.
【００１９】仮設の土留壁や本設の護岸等を構築する場
合には、その法線距離についてある程度の施工誤差は許
容しているが、打設中に回転、ねじれが発生すると、こ
のように法線距離が短くなり、法線距離が延びるように
打設するためには、手間がかかることになる。When constructing a temporary earth retaining wall or a permanent seawall, a certain construction error is allowed for the normal line distance. It takes time and effort to drive the normal line distance so that the normal line distance becomes short.
【００２０】また、狭隘地に鋼矢板を打設する時や、特
に鋼矢板の前面を掘削して地下壁として利用する場合に
は、予め地中部での回転、ねじれによる施工誤差を考慮
する必要がある。この施工誤差を考慮すると、地下壁厚
を厚くする必要が生じ、地下壁を構築するために必要な
面積が大きくなることから、利用可能な敷地面積が狭く
なり不経済である。Further, when driving a steel sheet pile into a confined area, or when excavating the front face of the steel sheet pile and using it as an underground wall, it is necessary to consider in advance the construction error due to rotation and twist in the underground. There is. In consideration of this construction error, it is necessary to increase the thickness of the underground wall, and the area required for constructing the underground wall becomes large, so that the available site area becomes narrow and uneconomical.
【００２１】また、従来のＵ型鋼矢板９１の場合、図１
８〜図２０に示したように継手９１ａが土留壁９２の壁
体中心に位置するため、曲げ荷重により継手部に縦せん
断力が作用し、隣り合った鋼矢板９１が一体として働か
ないことが考えられる。これに対処するためには、設計
時に鋼矢板の断面性能の低減（継手効率）を考慮する必
要があり、不経済である。In the case of the conventional U-shaped sheet pile 91, FIG.
Since the joint 91a is located at the center of the retaining wall 92 as shown in FIGS. 8 to 20 , a longitudinal shear force acts on the joint due to the bending load, and the adjacent steel sheet piles 91 do not work integrally. Conceivable. In order to deal with this, it is necessary to consider the reduction of the cross-sectional performance of the sheet pile (joint efficiency) at the time of design, which is uneconomical.
【００２２】さらに、従来のＵ型鋼矢板９１では、壁面
に継手部が露出するため、本設構造物の土留壁や護岸と
して用いる場合、その景観性が損なわれるという問題が
ある。Further, in the conventional U-shaped steel sheet pile 91, since the joint portion is exposed on the wall surface, there is a problem that when used as a retaining wall or a seawall of the main structure, the landscape is impaired.
【００２３】本願発明の非対称Ｕ型鋼矢板およびその打
設方法は、本願発明に係る地下構造体の構築に適した鋼
矢板として、同時に上記のような課題の解決を図ったも
のである。The asymmetric U-shaped steel sheet pile of the present invention and its striking
The setting method aims at solving the above-mentioned problems at the same time as a steel sheet pile suitable for construction of the underground structure according to the present invention.
【００２４】[0024]
【課題を解決するための手段】本願の請求項１に係る地
下構造体では、土留壁と地下室の耐力壁を兼ねた鋼矢板
で囲まれた内部に地下空間が形成されており、その鋼矢
板の上端が布基礎として上部構造の荷重を支持する構造
となっている。 The underground structure according to the present claim 1 SUMMARY OF THE INVENTION, and the underground space formed inside surrounded by steel sheet piles which also serves as a bearing wall of the earth retaining wall and the basement, the steel The upper end of the sheet pile serves as a fabric base to support the load of the superstructure .
【００２５】鋼矢板は、仮設ではなく、埋設されたまま
自立式土留連続壁を形成するとともに、止水性の機能を
備えた地下室等の外壁を構成する構造材として使用す
る。地下空間は、鋼矢板で囲まれる区域を掘削すること
で、有効スペースを最大限にとることができる。The steel sheet pile is used not as a temporary material but as a structural material for forming an outer wall of a basement or the like having a water-blocking function while forming a self-standing continuous retaining wall while being buried. Underground space can be maximized by excavating areas surrounded by steel sheet piles.
【００２６】また、鋼矢板を上部構造の荷重を十分支持
できる杭としても機能させ、その上端を地上建屋等の上
部構造の布基礎に兼用している。The steel sheet pile also functions as a pile capable of sufficiently supporting the load of the upper structure, and the upper end thereof is also used as a cloth foundation of the upper structure such as a ground building.
【００２７】さらに、本願の請求項１に係る地下構造体
では、鋼矢板で囲まれた地下空間側にプレキャストコン
クリートブロック（パネル等）を併設し、鋼矢板とプレ
キャストコンクリートブロックを連結一体化して地下室
等の耐力壁および上部構造の荷重を支持する布基礎とす
る。 Further, an underground structure according to claim 1 of the present application.
Now, it features a precast concrete blocks (panels, etc.) in the basement space side surrounded by the steel sheet piles, a fabric basis steel sheet piles and precast concrete blocks connected integrally to support the load of the load-bearing walls and superstructure basement etc. You
You.
【００２８】鋼矢板とプレキャストコンクリートブロッ
クの連結一体化はボルト等の締結により行うことがで
き、プレキャストコンクリートブロックを一体化するこ
とで、地下室等の壁体としての鋼矢板を補強することが
できる。The steel sheet pile and the precast concrete block can be connected and integrated by fastening bolts or the like. By integrating the precast concrete block, the steel sheet pile as a wall in a basement or the like can be reinforced.
【００２９】また、地下水の影響により、地下室等に浮
力による鉛直上向きの力が働く場合があるが、この浮力
に対しプレキャストコンクリートブロックの重量を抵抗
させ、アンカー効果を与えることができる。There is a case where a vertical upward force due to buoyancy acts on a basement or the like due to the influence of groundwater. However, the weight of the precast concrete block can resist the buoyancy to provide an anchor effect.
【００３０】一方、上部構造の鉛直下向き荷重を鋼矢板
のみで支持することが困難な場合ににおいて、プレキャ
ストコンクリートブロックにより地盤の受圧面積が増
し、支持耐力が高くなり、安定した地下構造体が構築さ
れる。On the other hand, when it is difficult to support the vertical downward load of the upper structure only by steel sheet piles, the pressure receiving area of the ground is increased by the precast concrete block, the supporting strength is increased, and a stable underground structure is constructed. Is done.
【００３１】このように、鋼矢板とプレキャストコンク
リートブロックを併設し一体化することで、地下室等の
止水性、断熱性、鋼矢板の鉛直支持力等の向上を図るこ
とができる。As described above, by providing the steel sheet pile and the precast concrete block side by side and integrating them, it is possible to improve the water stopping property and heat insulation of the basement or the like, the vertical supporting force of the steel sheet pile, and the like.
【００３２】請求項２に係る発明は、請求項１に係る地
下構造体について、鋼矢板の上端に形鋼を上載配置し、
形鋼を鋼矢板と剛接することで、門型ラーメン架構を形
成した場合を限定したものである。According to a second aspect of the present invention, in the underground structure according to the first aspect, a section steel is mounted on an upper end of a steel sheet pile,
This limits the case where a portal-type rigid frame is formed by rigidly contacting a section steel with a steel sheet pile.
【００３３】鋼矢板の上端部の全周および対辺をつなぐ
ように、土台または床梁としてのＨ形鋼、ＣＴ形鋼（カ
ットティー）、山形鋼、溝形鋼、Ｉ形鋼等の形鋼を剛接
することで、鋼製地下室等の剛性を高めることができ、
また上部構造の布基礎の高さ調整も可能である。H-shaped steel, CT shaped steel (cut tee), angle steel, groove steel, I-shaped steel, etc. as a base or floor beam so as to connect the entire periphery and opposite sides of the upper end of the steel sheet pile The rigidity of the steel basement etc. can be increased by
It is also possible to adjust the height of the fabric base of the upper structure.
【００３４】請求項３に係る発明は、請求項１または請
求項２に係る発明について、鋼矢板として、横断面形状
がＵ型の鋼矢板であって、両端の継手形状が左右非対称
で、横断面形状を同一方向にそろえて直線上に結合可能
とした鋼矢板を用いる場合を限定したものである。The invention according to claim 3 is the invention according to claim 1 or
Regarding the invention according to claim 2 , the steel sheet pile is a steel sheet pile having a U-shaped cross section, the joint shapes at both ends are asymmetric, and the cross sections can be aligned in the same direction so that they can be connected on a straight line. The case where a steel sheet pile is used is limited.
【００３５】この請求項３における鋼矢板は、特開平５
−１４０９２８号公報に記載された非対称Ｕ型鋼矢板に
相当し、施工性や圧延による製作のしやすさに加え、横
断面形状を同一方向にそろえて直線上に結合できること
から、敷地限度いっぱいに打設し、さらに広い地下室空
間を確保できるといった利点がある。The steel sheet pile according to the third aspect is disclosed in
It corresponds to the asymmetric U-shaped steel sheet pile described in JP-A-140928, and because it can be connected to a straight line with the same cross-sectional shape in the same direction, in addition to workability and ease of production by rolling, This has the advantage that a larger basement space can be secured.
【００３６】本願の請求項４に係る非対称Ｕ型鋼矢板
は、上記特開平５−１４０９２８号公報記載非対称Ｕ型
鋼矢板をさらに改良したものであり、横断面中央部の形
状をＵ型とし、両端の継手部における継手形状が左右非
対称で、横断面形状を同一方向にそろえて直線上に結合
可能とした非対称Ｕ型鋼矢板において、両端の継手部の
近傍に打設法線と同方向となるフラット部を設け、継手
部およびフラット部が矢板壁の最外縁で同一直線上に位
置するよう構成したものである。The asymmetric U-shaped steel sheet pile according to claim 4 of the present application is a further improvement of the asymmetric U-shaped steel sheet pile described in the above-mentioned Japanese Patent Application Laid-Open No. 5-140928. In the asymmetric U-shaped steel sheet pile whose joint shape at the joint part is asymmetrical left and right and the cross-sectional shape can be aligned in the same direction and can be connected on a straight line, a flat part that is in the same direction as the casting normal is placed near the joint part at both ends. The joint portion and the flat portion are located on the same straight line at the outermost edge of the sheet pile wall.
【００３７】フラット部を設けたことで、打設時におけ
る地中部の回転、ねじれの発生を抑止し、打設性能を向
上させ、施工精度の高い矢板壁の構築が可能となる。By providing the flat portion, rotation and twisting of the underground portion at the time of driving are suppressed, the driving performance is improved, and a sheet pile wall with high construction accuracy can be constructed.
【００３８】また、この請求項４に係る非対称Ｕ型鋼矢
板において、両端の継手部は、一方を内向き、他方を外
向きに形成し、矢板壁の最外縁の内側の表面に露出しな
い位置で互いに係合するようになっている。 すなわち、
互いに係合する鉤状に屈曲させた両端の継手の一方を矢
板壁の最外縁に対して内向き、他方を外向きに形成し、
内向きの継手側の基部（ここでいう基部とは、図１２に
おいて符号７７，７８で示される、互いに係合している
先端が鉤状の継手７１ａ，７１ｂどうしの係合部分の直
前位置を指す）には継手部における回転を拘束するため
の内向きの突起を設け、前記外向きの継手側の基部には
内向きに突出する立上り部を設けて、継手どうしが矢板
壁の最外縁の表面に露出しない位置で係合できるように
している。 Further, the asymmetric U-shaped steel arrow according to claim 4 is provided.
In the plate, the joint portion of both ends is adapted to inwardly hand, the other is formed outwardly to engage each other at a position not exposed to the inner surface of the outermost edge of the sheet pile wall. That is,
One of the joints at both ends bent into a hook shape
Forming inward with respect to the outermost edge of the plate wall and forming the other outward,
The base on the inwardly facing joint side (the base referred to here is
Are engaged with each other as indicated by reference numerals 77 and 78 in FIG.
The tip of the hooked joint 71a, 71b
Front position) to restrict rotation at the joint.
Are provided with inward projections, and at the base of the outward joint side,
An inwardly protruding rising section is provided so that the joints
Engagement where it is not exposed on the outermost surface of the wall
doing.
【００３９】この場合、鋼矢板壁を構築した時、継手部
が壁面に露出せずフラットな壁面になるため、腹起しの
設置が容易になり、かつスペースを有効利用できる。ま
た、鋼矢板壁面の景観性が向上する。なお、本願の請求
項４に係る非対称Ｕ型鋼矢板は、本願発明に係る地下構
造体の構築に適したものであるが、用途はこれに限られ
ない。In this case, when the steel sheet pile wall is constructed, the joint portion is not exposed to the wall surface and becomes a flat wall surface, so that the installation of the bulge is facilitated and the space can be effectively used. In addition, the landscape of the steel sheet pile wall surface is improved. In addition, the claim of this application
The asymmetric U-shaped sheet pile according to item 4 is suitable for constructing an underground structure according to the present invention, but the application is not limited thereto.
【００４０】本願の請求項５に係る非対称Ｕ型鋼矢板の
打設方法は、上記請求項４に係る非対称Ｕ型鋼矢板につ
いて、そのフラット部を把持して打設することを特徴と
するものである。 The asymmetric U-shaped sheet pile according to claim 5 of the present application
The method of placing a steel sheet pile in the asymmetric U-shaped sheet pile according to claim 4 is provided.
It is characterized by gripping and driving the flat part
Is what you do.
【００４１】非対称Ｕ型鋼矢板のフラット部は、打設法
線方向に対して継手部と同一線上に位置し、油圧式圧入
機やバイブロハンマーで打設する際、フラット部を把持
して打設することで、継手部を中心とする回転を防止す
ることができる。 The flat part of the asymmetric U-shaped sheet pile is driven by a casting method.
Hydraulic press-fit, located on the same line as the joint in the line direction
Holds flat part when driving with machine or vibro hammer
To prevent rotation around the joint.
Can be
【００４２】[0042]
【発明の実施の形態】図１は、本願発明の地下構造体の
一実施形態を示したもので、鋼矢板７１を敷地境界いっ
ぱいに打設して形成される鋼矢板連続壁で四周を土留め
し、鋼矢板連続壁によって囲まれた領域を掘削した後、
鋼矢板７１を地下室１０の外壁の一部として用いてい
る。 FIG. 1 shows an embodiment of an underground structure according to the present invention, in which a steel sheet pile continuous wall formed by driving a steel sheet pile 71 to fill the site boundary is used to cover four rounds. After fastening and excavating the area surrounded by the steel sheet pile continuous wall,
Tei using steel sheet pile 71 as part of the outer wall of the basement 10
You.
【００４３】また、例えば地盤面が軟弱で湧水しやすい
場所に地下室１０を建造する場合において、地下室構造
の剛性向上と地下水に対する止水性能向上および地下室
１０の浮上対策のため、鋼矢板連続壁の内面側にプレキ
ャストコンクリートブロック２１を併設し、高力ボルト
等の固定金具２２で鋼矢板連続壁と連結し、一体化して
いる。 Further , for example, the ground surface is soft and easily springs.
In the case where the basement 10 is constructed at the place, the basement structure
Stiffness, groundwater blocking performance and basement
For the countermeasures against 10 surfacing, the inner side of steel sheet pile continuous wall
High-strength bolts with just concrete blocks 21
It is connected to the steel sheet pile continuous wall by the fixing bracket 22 and the like, and integrated.
I have.
【００４４】この例では、プレキャストコンクリートブ
ロック２１として、壁部分と床部分が一体化されたユニ
ットを用いている。 In this example, a precast concrete block
The lock 21 is a unit having a wall portion and a floor portion integrated with each other.
Is used.
【００４５】鋼矢板連続壁の上端全周および対辺につい
ては、図２に示すように土台あるいは床梁としてのＨ形
鋼等の形鋼４，５を配設、結合し、地下室１０部分につ
いて逆門型ラーメン架構を形成することで、剛性を高め
ている。図６は、この逆門型ラーメン架構を構造モデル
図として示したものである。As shown in FIG. 2 , as shown in FIG. 2 , section steels 4 and 5 such as H-section steels as a base or a floor beam are arranged and connected on the entire periphery and the opposite side of the continuous wall of steel sheet piles . The rigidity is increased by forming a portal-type ramen frame. FIG. 6 shows the inverted gate-type ramen frame as a structural model diagram.
【００４６】図中、２は地下室部分の掘削底部に敷設し
た敷砂利、３はその上に打設したベースコンクリート、
６は床梁としての形鋼５の下面に取り付けたプレキャス
トコンクリート板である。In the figure, reference numeral 2 denotes gravel laid at the bottom of the excavation in the basement, 3 denotes base concrete cast thereon,
Reference numeral 6 denotes a precast concrete plate attached to the lower surface of the section steel 5 as a floor beam.
【００４７】地上建屋部分は、鋼矢板連続壁の直上に据
え付けられ、鋼矢板７１自体に布基礎の役目を持たせて
いる。図中、１１が地上建屋の１階部分、１２が２階部
分である。The above-ground building is installed directly above the steel sheet pile continuous wall, and the steel sheet pile 71 itself has the role of a cloth foundation. In the figure, 11 is the first floor portion of the ground building, and 12 is the second floor portion.
【００４８】このように鋼矢板７１が地下室１０構築の
ための土留壁、地下室１０本体の耐力壁構造材および地
上建屋の布基礎としての機能を発揮するため、地下構造
を大幅に簡略化することができる。As described above, since the steel sheet pile 71 functions as the retaining wall for constructing the basement 10, the load-bearing wall structural material of the basement 10 main body and the cloth foundation of the above-ground building, the underground structure is greatly simplified. Can be.
【００４９】図３〜図５は、鋼矢板連続壁の上端部に地
上建屋の土台として形鋼４を上載したとき、その連結と
形鋼４の土台高さ調整の方法を示したものである。FIG . 3 to FIG. 5 show a method of connecting a section steel 4 and adjusting the height of the section of the section steel 4 when the section steel 4 is mounted on the upper end portion of the continuous wall of steel sheet piles as a base of a ground building. .
【００５０】鋼矢板連続壁の上端部高さは、四周の水平
レベルを合わせる必要があるため、この例ではテーパー
付ライナープレート３２ａ，３２ｂを２枚重ね合わせて
調整している。上ライナープレート３２ａにはボルト孔
３３ａが形成され、下ライナープレート３２ｂにはボル
ト孔として長孔３３ｂが形成されており、ボルト３４で
締付け固定する際に、下ライナープレート３２ｂを図中
の矢印の方向に移動させることで、高さの微調整を行う
ことができる。The height of the upper end portion of the steel sheet pile continuous wall must be adjusted to the horizontal level of the four circumferences. Therefore, in this example, two tapered liner plates 32a and 32b are overlapped and adjusted. A bolt hole 33a is formed in the upper liner plate 32a, and a long hole 33b is formed in the lower liner plate 32b as a bolt hole. When tightening and fixing with the bolt 34, the lower liner plate 32b is By moving in the direction, the height can be finely adjusted.
【００５１】図７は、本願の地下構造体に用いられる鋼
矢板１の一例を示したもので、特開平５−１４０９２８
号公報に記載された発明の鋼矢板に相当し、狭小な場所
でも施工が比較的容易で工事短縮が図れる。FIG . 7 shows an example of a steel sheet pile 1 used for the underground structure of the present invention .
No. corresponds to the steel sheet pile of the present invention described in Japanese, thereby the construction is relatively easy construction reduced in the narrow small place.
【００５２】図８は、鋼矢板１を隣接の敷地限度いっぱ
いに打設した状態を示したもので、鋼矢板１の継手４１
ａ，４１ｂの形状が左右非対称で横断面形状を同一方向
にそろえて直線上に結合して矢板壁が構築できることに
より、敷地限度いっぱいの施工が可能となる。なお、図
中、点線部分は鋼矢板１を打設するための杭打ち機占有
範囲４３を示している。FIG . 8 shows a state in which the steel sheet pile 1 has been driven to the limit of the adjacent site.
Since the shapes of a and 41b are left-right asymmetrical and the cross-sectional shapes are aligned in the same direction and are joined on a straight line to form a sheet pile wall, construction to the extent of the site limit is possible. In addition, in the figure, the dotted line part has shown the pile driver occupation range 43 for driving the steel sheet pile 1.
【００５３】図１１は本願発明に係る非対称Ｕ型鋼矢板
の一実施形態における鋼矢板７１の全体形状を、図１２
はその継手部を、図１３は非対称Ｕ型鋼矢板を連設して
なる矢板壁７２を示したものである。FIG . 11 shows the overall shape of the steel sheet pile 71 in one embodiment of the asymmetric U-shaped steel sheet pile according to the present invention, and FIG.
FIG. 13 shows a joint part, and FIG. 13 shows a sheet pile wall 72 formed by connecting asymmetrical U-type sheet piles.
【００５４】本願発明に係る非対称Ｕ型鋼矢板７１は、
横断面中央部の形状をＵ型とし、両端の継手７１ａ，７
１ｂの継手形状を左右非対称とし、横断面形状を同一方
向にそろえて直線上に結合可能としている。The asymmetric U-shaped steel sheet pile 71 according to the present invention comprises:
The shape of the central part of the cross section is U-shaped, and the joints 71a, 7 at both ends are used.
The joint shape of 1b is left-right asymmetric, and the cross-sectional shape is aligned in the same direction so that the joint can be made on a straight line.
【００５５】この非対称Ｕ型鋼矢板７１の両端の継手部
の近傍には、打設法線と同方向となるフラット部７１
ｃ，７１ｄが形成されており、継手７１ａ，７１ｂどう
しが係合される継手部およびフラット部７１ｃ，７１ｄ
が、矢板壁７２の最外縁で同一直線上に位置するように
なっている。In the vicinity of the joints at both ends of the asymmetric U-shaped sheet pile 71, flat portions 71 in the same direction as the casting normal are provided.
c and 71d are formed, and joint portions and flat portions 71c and 71d with which the joints 71a and 71b are engaged.
Are located on the same straight line at the outermost edge of the sheet pile wall 72.
【００５６】また、本実施形態において、一方の継手７
１ａは、矢板壁７２の最外縁（掘削側前面に相当する）
に対して内向きに、他方の継手７１ｂが外向きに形成さ
れ、図１３に示すように矢板壁７２の壁面に露出しない
形で互いに係合できるようになっている。そのため、外
向きの継手７１ｂ側の基部７８には内向きに突出する立
上り部７１ｅが形成され、また、内向きの継手７１ａ側
の基部７７には継手部における回転を拘束するための突
起７３が設けられている。In this embodiment, one joint 7
1a is the outermost edge of the sheet pile wall 72 (corresponding to the excavation side front surface)
13 , the other joint 71b is formed outward, and can be engaged with each other without being exposed to the wall surface of the sheet pile wall 72 as shown in FIG . So outside
The base 78 on the side of the orientation joint 71b has a vertical
An upward portion 71e is formed, and a projection 73 for restraining rotation at the joint portion is provided on the base 77 on the side of the joint 71a facing inward.
【００５７】本願発明の非対称Ｕ型鋼矢板７１では、鋼
矢板７１を油圧式圧入機やバイブロハンマーで打設する
際、図１４に示すようにフラット部７１ｃをチャッキン
グして打設することが可能となる。このフラット部７１
ｃは、打設法線方向に対して継手部と同一線上に位置
し、すなわち打設時に発生する回転の中心となる継手部
と平面的にずれていないため、チャッキング部８１に作
用する打設力による鋼矢板７１の回転を防止することが
できる。With the asymmetric U-shaped steel sheet pile 71 of the present invention, when the steel sheet pile 71 is driven by a hydraulic press machine or a vibratory hammer, the flat portion 71c can be driven by chucking as shown in FIG. Becomes This flat part 71
c is located on the same line as the joint portion with respect to the normal direction of the casting, that is, is not displaced in a plane from the joint portion which becomes the center of rotation generated at the time of the casting. The rotation of the steel sheet pile 71 due to the force can be prevented.
【００５８】また、地中部で礫等の障害物があった場合
でも、本願発明に係る非対称Ｕ型鋼矢板７１はフラット
部７１ｃが、地中部における回転方向の作用力に対し抵
抗となるため、地中部の回転、ねじれの発生を抑止する
効果がある（図１５参照）。図１６は他の実施形態とし
て、本願発明に係る非対称Ｕ型鋼矢板７１によって構成
された鋼矢板壁７２の掘削側前面にコンクリート７４を
打設して地下壁７５として利用した場合を示したもの
で、鋼コンクリート合成構造として機能し、かつスペー
スの有効利用が図れる。Further, even when there is an obstacle such as gravel in the underground part, the flat part 71c of the asymmetric U-shaped sheet pile 71 according to the present invention resists the acting force in the rotating direction in the underground part. This has the effect of suppressing the rotation and twisting of the middle part (see FIG. 15 ). FIG. 16 shows another embodiment in which concrete 74 is cast on the excavation-side front surface of a steel sheet pile wall 72 composed of an asymmetric U-shaped steel sheet pile 71 according to the present invention and used as an underground wall 75. It functions as a steel-concrete composite structure and enables effective use of space.
【００５９】また、図１７はさらに他の実施形態とし
て、鋼矢板壁の景観性の向上のため、非対称Ｕ型鋼矢板
７１の表面に重防食被覆７６を施した例を示したもので
ある。 FIG. 17 shows another embodiment in which a heavy corrosion protection coating 76 is applied to the surface of an asymmetric U-shaped steel sheet pile 71 in order to improve the viewability of the steel sheet pile wall.
【００６０】なお、図２１に示すように継手９７ａが壁
体の最外縁に位置する従来のＺ型鋼矢板９７の場合、打
設前に２体のＺ型鋼矢板９７を嵌合させる必要がある
が、本願発明に係る非対称Ｕ型鋼矢板の場合、継手形状
が非対称であるもののＵ型部分の全体形状が対称形であ
るため、打設前に嵌合させるといった作業は必要ない。In the case of a conventional Z-shaped sheet pile 97 in which the joint 97a is located at the outermost edge of the wall as shown in FIG. 21 , it is necessary to fit the two Z-shaped sheet piles 97 before driving. In the case of the asymmetric U-shaped steel sheet pile according to the present invention, since the joint shape is asymmetric, the entire shape of the U-shaped portion is symmetrical, so that there is no need to perform an operation of fitting the U-shaped portion before driving.
【００６１】[0061]
【発明の効果】 本願の請求項１に係る地下構造体に
よれば、建造される地下構造体を敷地境界いっぱいに設
置でき、土地の有効スペースを拡大することができる。
また、鋼矢板の打設で自立土留壁を構築するため、オー
プンカット工法等に比べ、同じ大きさの地下構造体を建
造する場合の掘削量を低減することができる。さらに、
鋼矢板が地下室等の地下構造体の外壁と地上建屋等の上
部構造の布基礎を兼ねているため、建設資材も減少させ
ることができ、以上により工期短縮、施工コストの低減
が図れる。According to the underground structure according to the first aspect of the present invention, the underground structure to be built can be installed on the entire site boundary, and the effective space of the land can be expanded.
In addition, since the self-supporting retaining wall is constructed by driving steel sheet pile, the amount of excavation when constructing an underground structure of the same size can be reduced as compared with the open cut method or the like. further,
Since the steel sheet pile also serves as the outer wall of the underground structure such as the basement and the cloth foundation of the upper structure such as the above-ground building, the construction materials can be reduced, and the construction period can be shortened and the construction cost can be reduced.
【００６２】 さらに、軟弱地盤等で鋼矢板の鉛直支
持力が不足する場合、プレキャストコンクリート製ブロ
ックとの一体化により、耐荷能力の向上、地下室の止水
性向上といった効果が得られる他、浮力対策にもなる。[0062] Further, if the vertical bearing forces of the steel sheet pile in soft weak soil or the like is insufficient, the integration of the precast concrete blocks, in addition to improved load bearing capacity, the effect such water cut increased basement obtained buoyancy measures Also.
【００６３】 請求項２に係る発明は、鋼矢板とその
上端に剛接した形鋼により、門型ラーメンを形成するこ
とで、地下構造体の剛性向上が図れる。According to the second aspect of the invention, the rigidity of the underground structure can be improved by forming the portal-type rigid frame by using the steel sheet pile and the shape steel rigidly connected to the upper end thereof.
【００６４】 請求項３に係る発明は、鋼矢板の形状
から敷地境界いっぱいの施工が可能であり、土地の有効
スペースの拡大にさらに効果がある。According to the third aspect of the present invention, the construction of the entire site boundary can be performed due to the shape of the steel sheet pile, which is further effective in expanding the effective space of the land.
【００６５】 本願の請求項４に係る非対称Ｕ型鋼矢
板および請求項５に係る打設方法によれば、打設時にお
ける地中部の回転、ねじれの発生を抑止し、打設性能を
向上させ、施工精度の高い矢板壁の構築を可能とする。
また、継手部が矢板壁の最外縁に位置するので、継手効
率の低下がなく経済的である。According to the asymmetric U-shaped sheet pile according to claim 4 of the present application and the driving method according to claim 5, rotation and twisting of the underground portion during driving are suppressed, and the driving performance is improved. Enables construction of a sheet pile wall with high construction accuracy.
In addition, since the joint portion is located at the outermost edge of the sheet pile wall, the joint efficiency is not reduced and economical.
【００６６】 また、請求項４に係る非対称Ｕ型鋼矢
板では、矢板壁を構築した時、継手部が壁面に露出せず
フラットな壁面になるため、腹起し等の設置が容易にな
り、かつスペースを有効利用できる。また、鋼矢板壁面
の景観性が向上する。The asymmetric U-shaped steel arrow according to claim 4
The plate, when building the arrows board wall, since the joint portion becomes flat wall surface not exposed to the wall surface, facilitates the installation of such wale, and the space can be effectively utilized. In addition, the landscape of the steel sheet pile wall surface is improved.
【図１】本願発明の地下構造体の一実施形態を示す鉛直
断面図である。FIG. 1 is a vertical sectional view showing an embodiment of an underground structure of the present invention.
【図２】本願発明の一実施形態における鋼矢板と形鋼の
連結配置を示す斜視図である。FIG. 2 is a perspective view showing a connection arrangement between a steel sheet pile and a shaped steel according to an embodiment of the present invention.
【図３】鋼矢板の上端に連結した土台としての形鋼の高
さ調整方法の一例を示す正面図である。FIG. 3 is a front view showing an example of a height adjusting method of a section steel as a base connected to an upper end of a steel sheet pile.
【図４】図３に対応する側面図である。FIG. 4 is a side view corresponding to FIG . 3 ;
【図５】形鋼の高さ調整の詳細を示す側面図と、ライナ
ープレートの斜視図である。5A and 5B are a side view showing details of height adjustment of a section steel and a perspective view of a liner plate.
【図６】本願発明の地下構造体の構造モデル図である。FIG. 6 is a structural model diagram of an underground structure of the present invention.
【図７】本願発明の地下構造体で用いる鋼矢板の形状例
を示す平面図である。FIG. 7 is a plan view showing an example of the shape of a steel sheet pile used in the underground structure of the present invention.
【図８】本願発明で用いる鋼矢板による土留め工法例を
示す平面図である。FIG. 8 is a plan view showing an example of an earth retaining method using a steel sheet pile used in the present invention.
【図９】従来のオープンカット工法による地下室の構築
方法を示す鉛直断面図である。FIG. 9 is a vertical sectional view showing a method of constructing a basement by a conventional open cut method.
【図１０】従来のプレキャストコンクリート材の潜函工
法による地下室の構築方法の例を示す鉛直断面図であ
る。FIG. 10 is a vertical cross-sectional view showing an example of a conventional method of constructing a basement by a latent casting method of precast concrete material.
【図１１】本願発明の非対称Ｕ型鋼矢板の一実施形態に
おける全体形状を示す平面図である。FIG. 11 is a plan view showing the overall shape of one embodiment of the asymmetric U-shaped steel sheet pile of the present invention.
【図１２】図１１の実施形態に対応する継手部の係合状
態を示す平面図である。FIG. 12 is a plan view showing an engaged state of a joint corresponding to the embodiment of FIG . 11 ;
【図１３】本願発明の非対称Ｕ型鋼矢板を連設してなる
矢板壁を示す平面図である。FIG. 13 is a plan view showing a sheet pile wall in which the asymmetric U-type sheet piles of the present invention are connected.
【図１４】フラット部のチャッキングによる打設方法を
説明するための平面図である。FIG. 14 is a plan view for explaining a method of driving the flat portion by chucking.
【図１５】打設時の地中部における回転、ねじれの発生
の抑止効果を説明するための平面図である。FIG. 15 is a plan view for explaining the effect of suppressing the occurrence of rotation and torsion in the underground part during casting.
【図１６】本願発明の非対称Ｕ型鋼矢板に関する他の実
施形態を示す横断面図である。FIG. 16 is a cross-sectional view showing another embodiment of the asymmetric U-shaped steel sheet pile of the present invention.
【図１７】本願発明の非対称Ｕ型鋼矢板に関するさらに
他の実施形態を示す平面図である。FIG. 17 is a plan view showing still another embodiment of the asymmetric U-shaped steel sheet pile of the present invention.
【図１８】従来のＵ型鋼矢板の打設における回転、ねじ
れの発生を説明するための平面図である。FIG. 18 is a plan view for explaining occurrence of rotation and torsion in driving a conventional U-shaped steel sheet pile.
【図１９】従来のＵ型鋼矢板を用いた矢板壁における蛇
行を説明するための平面図である。FIG. 19 is a plan view for explaining meandering in a sheet pile wall using a conventional U-shaped steel sheet pile.
【図２０】従来のＵ型鋼矢板による鋼矢板壁を地下室等
の壁の一部として利用する場合を説明するための横断面
図である。FIG. 20 is a cross-sectional view for explaining a case where a conventional steel sheet pile wall made of a U-shaped steel sheet pile is used as a part of a wall of a basement or the like.
【図２１】従来のＺ型鋼矢板における継手構造を説明す
るための平面図である。FIG. 21 is a plan view for explaining a joint structure in a conventional Z-type steel sheet pile.
１…一重爪タイプ非対称Ｕ型鋼矢板、２…敷砂利、３…
ベースコンクリート、４…形鋼（土台）、５…形鋼（床
梁）、６…プレキャストコンクリート板、８…形鋼、９
…断熱材、１０…地下室、１１…１階部分、１２…２階
部分、２１…プレキャストコンクリートブロック、２２
…固定金具、３１…鋼板、３２ａ…上ライナープレー
ト、３２ｂ…下ライナープレート、３３ａ…ボルト孔、
３３ｂ…長孔、３４…ボルト、３５…固定金具、４１
ａ，４１ｂ…一重継手、４２…従来の非対称Ｕ型鋼矢板
を用いた矢板壁、４３…杭打ち機占有範囲、７１…本願
発明に係る非対称Ｕ型鋼矢板、７１ａ，７１ｂ…継手、
７１ｃ，７１ｄ…フラット部、７１ｅ…立上り部、７２
…矢板壁、７３…突起、７４…コンクリート、７５…地
下壁、７６…重防食被覆、７７，７８…継手基部、８１
…チャッキング部1: Single claw type asymmetric U-shaped sheet pile, 2: Gravel, 3:
Base concrete, 4 ... shaped steel (base), 5 ... shaped steel (floor beam), 6: precast concrete plate , 8 ... shaped steel, 9
... heat insulating material, 10 ... basement, 11 ... 1st floor, 12 ... 2nd floor, 21 ... precast concrete block, 22
... Fixing bracket, 31 ... Steel plate, 32a ... Upper liner plate, 32b ... Lower liner plate, 33a ... Bolt hole,
33b: long hole, 34: bolt, 35: fixing bracket, 41
a, 41b: Single joint, 42: Conventional asymmetric U-shaped sheet pile
Sheet pile wall using 43, occupied area of pile driver, 71 ... application
Asymmetric U-shaped sheet pile according to the invention , 71a, 71b ... joint,
71c , 71d ... flat part, 71e ... rising part, 72
... sheet pile wall, 73 ... projection, 74 ... concrete, 75 ... basement wall, 76 ... heavy anticorrosion coating, 77 , 78 ... joint base, 81
… Chucking part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中里 卓三 大阪市中央区北浜４丁目５番33号 住友 金属工業株式会社内 (72)発明者 野中 健児 大阪市中央区北浜４丁目５番33号 住友 金属工業株式会社内 (72)発明者 鹿野 裕 茨城県鹿嶋市大字光３番地 住友金属工 業株式会社鹿島製鉄所内 (56)参考文献 特開 平３−17313（ＪＰ，Ａ) 特開 昭62−220663（ＪＰ，Ａ) 特開 平５−140928（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) E02D 29/00 E02D 5/04 E02D 27/00 E04H 1/02 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takuzo Nakazato 4-5-33 Kitahama, Chuo-ku, Osaka City Inside Sumitomo Metal Industries, Ltd. (72) Inventor Kenji Nonaka 4-5-33 Kitahama, Chuo-ku, Osaka Sumitomo Inside Metal Industry Co., Ltd. (72) Inventor Hiroshi Kano 3 Kazuyoshi, Kashima City, Ibaraki Prefecture Inside Kashima Works, Sumitomo Metal Industries, Ltd. (56) References JP-A-3-17313 (JP, A) JP-A Sho 62- 220663 (JP, A) JP-A-5-140928 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) E02D 29/00 E02D 5/04 E02D 27/00 E04H 1/02
Claims (5)
矢板で囲まれた内部に地下空間が形成されており、前記
鋼矢板で囲まれた地下空間側にプレキャストコンクリー
トブロックを併設し、前記鋼矢板と前記プレキャストコ
ンクリートブロックを連結一体化して地下構造体の耐力
壁および上部構造の荷重を支持する布基礎を構成してい
ることを特徴とする地下構造体。1. A earth retaining walls and inside the underground space surrounded by steel sheet piles which also serves as a bearing wall of the subsurface structures are formed, the
Precast concrete on the underground space surrounded by steel sheet piles
The steel sheet pile and the precast
Strength of underground structure by connecting and integrating concrete blocks
The fabric foundation that supports the loads on the walls and superstructures
Underground structure characterized by that.
ての形鋼を上載配置し、鋼矢板と剛接することで門型ラ
ーメン架構を形成している請求項１記載の地下構造体。Wherein said steel sheet pile upper overburden arranged shaped steel as a base or floor beam to the underground structure to form a gate-shaped noodles Frames are Claim 1 Symbol placing by contact sheet pile and rigid.
型の鋼矢板であって、両端の継手形状が左右非対称で、
横断面形状を同一方向にそろえて直線上に結合可能とし
たものである請求項１または２記載の地下構造体。3. The steel sheet pile has a U-shaped cross section at the center.
It is a type steel sheet pile, the joint shape at both ends is asymmetrical,
The underground structure according to claim 1 or 2, wherein the cross-sectional shapes are aligned in the same direction and can be combined on a straight line.
継手部における継手形状が左右非対称で、横断面形状を
同一方向にそろえて直線上に結合可能とした非対称Ｕ型
鋼矢板において、前記両端の継手部の近傍に打設法線と
同方向となるフラット部を設け、前記継手部およびフラ
ット部が矢板壁の最外縁で同一直線上に位置するよう構
成し、互いに係合する鉤状に屈曲させた両端の継手の一
方を矢板壁の最外縁に対して内向き、他方を外向きに形
成し、前記内向きの継手側の基部には継手部における回
転を拘束するための内向きの突起を設け、前記外向きの
継手側の基部には内向きに突出する立上り部を設けて、
継手どうしが矢板壁の最外縁の表面に露出しない位置で
係合できるようにしたことを特徴とする非対称Ｕ型鋼矢
板。4. An asymmetric U-shaped steel sheet pile having a U-shaped cross section at a central portion thereof, a joint shape at a joint portion at both ends being left-right asymmetric, and having a cross-sectional shape aligned in the same direction and capable of being connected linearly. A flat portion is provided in the vicinity of the joint portion at both ends in the same direction as the casting normal, and the joint portion and the flat portion are configured to be located on the same straight line at the outermost edge of the sheet pile wall, and hook-shaped engaging with each other One of the joints bent at both ends
One facing inward with respect to the outermost edge of the sheet pile wall and the other facing outward
And the base at the inwardly facing joint side has a turn at the joint portion.
Providing an inward projection for restraining the roll,
At the base of the joint side is provided a rising part that protrudes inward,
In a position where the joints are not exposed on the outermost surface of the sheet pile wall
An asymmetric U-shaped steel sheet pile characterized by being able to engage.
を特徴とする請求項４記載の非対称Ｕ型鋼矢板の打設方
法。 5. A method of gripping and driving the flat portion.
The method for driving an asymmetric U-shaped sheet pile according to claim 4, characterized in that:
Law.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7286198A JP2964933B2 (en) | 1995-07-31 | 1995-11-02 | Underground structure, asymmetric U-shaped sheet pile, and method of placing asymmetric U-shaped sheet pile |
| PCT/JP1996/002775 WO1997013039A1 (en) | 1995-09-29 | 1996-09-26 | Unsymmetrical steel sheet pile and method for manufacturing the same |
| DE69631950T DE69631950T2 (en) | 1995-09-29 | 1996-09-26 | ASSYMETRIC STEEL SOLE AND METHOD FOR THE PRODUCTION THEREOF |
| EP96931991A EP0795649B1 (en) | 1995-09-29 | 1996-09-26 | Unsymmetrical steel sheet pile and method for manufacturing the same |
| KR1019970703571A KR100322317B1 (en) | 1995-09-29 | 1996-09-26 | Asymmetrical steel pile plate and its manufacturing method |
| CN96191138A CN1088486C (en) | 1995-09-29 | 1996-09-26 | Unsymmetrical steel sheet pile and method for manufacturing the same |
| AU70953/96A AU695771B2 (en) | 1995-09-29 | 1996-09-26 | Asymmetrical steel sheet pile and method for manufacturing the same |
| MYPI96004017A MY120907A (en) | 1995-09-29 | 1996-09-27 | Unsymmetrical steel sheet pile and method for manufacturing the same |
| TW085111968A TW320573B (en) | 1995-09-29 | 1996-10-01 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7-194751 | 1995-07-31 | ||
| JP19475195 | 1995-07-31 | ||
| JP7286198A JP2964933B2 (en) | 1995-07-31 | 1995-11-02 | Underground structure, asymmetric U-shaped sheet pile, and method of placing asymmetric U-shaped sheet pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09100541A JPH09100541A (en) | 1997-04-15 |
| JP2964933B2 true JP2964933B2 (en) | 1999-10-18 |
Family
ID=26508711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7286198A Expired - Lifetime JP2964933B2 (en) | 1995-07-31 | 1995-11-02 | Underground structure, asymmetric U-shaped sheet pile, and method of placing asymmetric U-shaped sheet pile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2964933B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6926470B2 (en) | 2002-11-15 | 2005-08-09 | Nippon Steel Corporation | Metal sheet pile |
| US6939086B2 (en) | 2002-11-15 | 2005-09-06 | Nippon Steel Corporation | Metal sheet pile |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5133731B2 (en) * | 2008-02-19 | 2013-01-30 | ミサワホーム株式会社 | Basic structure of unit type building and construction method of unit type building |
| JP2009250581A (en) * | 2008-04-10 | 2009-10-29 | Three Yuu:Kk | Heating and cooling system using underground heat |
| WO2010073538A1 (en) * | 2008-12-25 | 2010-07-01 | 新日本製鐵株式会社 | Steel sheet pile wall and method for constructing same |
| JPWO2010092782A1 (en) * | 2009-02-10 | 2012-08-16 | 新日本製鐵株式会社 | Underground wall structure |
| JP5834684B2 (en) * | 2011-09-21 | 2015-12-24 | Ｊｆｅスチール株式会社 | Steel sheet pile structure, steel sheet pile |
| JP6665326B1 (en) * | 2019-01-30 | 2020-03-13 | コミヤ工事有限会社 | How to bury a sheet pile |
| JP2021055410A (en) * | 2019-09-30 | 2021-04-08 | 大和ハウス工業株式会社 | Foundation structure and method of constructing foundation |
-
1995
- 1995-11-02 JP JP7286198A patent/JP2964933B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6926470B2 (en) | 2002-11-15 | 2005-08-09 | Nippon Steel Corporation | Metal sheet pile |
| US6939086B2 (en) | 2002-11-15 | 2005-09-06 | Nippon Steel Corporation | Metal sheet pile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09100541A (en) | 1997-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100489198C (en) | Prestressed scaffolding system | |
| EP1954885A1 (en) | Temporary soil sheathing apparatus | |
| JP3747198B2 (en) | Steel pipe sheet pile foundation | |
| KR100531385B1 (en) | Construction method of underground structure that enables continuous retaining wall using steel wale and diaphragm effect of concrete slab | |
| JP2964933B2 (en) | Underground structure, asymmetric U-shaped sheet pile, and method of placing asymmetric U-shaped sheet pile | |
| JP2012132169A (en) | Reinforcing structure of banking | |
| JP6477565B2 (en) | Reinforcing structure and reinforcing method of existing steel sheet pile wall | |
| KR101054696B1 (en) | Top-down construction method for underground structure with slurry wall retained by slab diaphragm effect | |
| KR101082765B1 (en) | Method of the bridge construction which connects the steel pipe pile of abutment substituion and the precast girder with a fixation | |
| JP3603424B2 (en) | Basement wall and asymmetric closed section steel sheet pile | |
| KR100998414B1 (en) | Method of the bridge construction which connects the steel pipe pile of abutment substituion and the precast girder with a fixation | |
| JPH11209987A (en) | Civil engineering structure | |
| JPH10227039A (en) | Pile foundation structure | |
| JP3051321B2 (en) | Double sheet pile structure | |
| KR20100118482A (en) | To use reclamation steel perimeter beam and slab diaphragm effect in order for one side of the basement outer wall continuous construct was possible ,which the basement infrastructure construction method | |
| KR20200006648A (en) | An Earth Retaining Wall and Construction Method thereof | |
| JPH11303062A (en) | Soil-cement wall | |
| JP2001214465A (en) | Reinforcing structure for underground construction | |
| JP2002138574A (en) | Building construction method and building | |
| JP6368758B2 (en) | Foundation structure and foundation structure | |
| JP7481208B2 (en) | Earth retaining structure | |
| JP3832845B2 (en) | Steel sheet pile combined direct foundation and construction method of steel sheet pile combined direct foundation | |
| KR20010028793A (en) | Precast Retaining Wall Using High Strength Micro Pile | |
| JP2020007901A (en) | Wall body component member with mold frame, wall body with mold frame, and construction method of wall body with mold frame | |
| JP4231194B2 (en) | Revetment structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070813 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080813 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080813 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090813 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090813 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100813 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110813 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110813 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120813 Year of fee payment: 13 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120813 Year of fee payment: 13 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130813 Year of fee payment: 14 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130813 Year of fee payment: 14 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130813 Year of fee payment: 14 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130813 Year of fee payment: 14 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |