JP3368398B2 - Fitting member and fitting structure - Google Patents
Fitting member and fitting structureInfo
- Publication number
- JP3368398B2 JP3368398B2 JP16692994A JP16692994A JP3368398B2 JP 3368398 B2 JP3368398 B2 JP 3368398B2 JP 16692994 A JP16692994 A JP 16692994A JP 16692994 A JP16692994 A JP 16692994A JP 3368398 B2 JP3368398 B2 JP 3368398B2
- Authority
- JP
- Japan
- Prior art keywords
- fitting
- fitting joint
- joint member
- steel pipe
- protrusions
- 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
Links
Landscapes
- 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、鋼矢板等の
鋼材の嵌合継手部材および嵌合継手部構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel pipe sheet pile, a steel pipe sheet fitting joint member, and a fitting joint portion structure.
【０００２】[0002]
【従来の技術】従来の地下構造物の基礎の一つに、鋼管
矢板式基礎がある。鋼管矢板式基礎は、複数列の鋼管矢
板を隣接して地中に建て込んで鋼管矢板の壁を構築し、
鋼管矢板の壁で一定面積の地盤を囲んで基礎とするもの
である。各鋼管矢板は嵌合継手部材を介して連結され
る。2. Description of the Related Art One of the conventional foundations for underground structures is a steel pipe sheet pile foundation. The steel pipe sheet pile type foundation constructs the wall of the steel pipe sheet pile by arranging multiple rows of steel pipe sheet piles adjacent to each other in the ground.
The foundation is to enclose a certain area of ground with the wall of steel pipe sheet pile. Each steel pipe sheet pile is connected via a fitting joint member.
【０００３】図１０は、従来の鋼管矢板式基礎における
嵌合継手部構造の概略上面図を示した図である。図１０
中、１は継手鋼管、１１１はスリット部、２はＴ型鋼、
１２１はステム部、４０はモルタル、６１は鋼管矢板、
７０は地盤を示す。FIG. 10 is a view showing a schematic top view of a fitting joint portion structure in a conventional steel pipe sheet pile type foundation. Figure 10
Inside, 1 is a joint steel pipe, 111 is a slit portion, 2 is T-shaped steel,
121 is a stem part, 40 is a mortar, 61 is a steel pipe sheet pile,
70 indicates the ground.
【０００４】図１０に示す嵌合継手部構造は、継手鋼管
１を雌型嵌合継手、Ｔ型鋼２を雄型嵌合継手としてい
る。継手鋼管１は、円筒状の鋼管に管軸方向に平行なス
リット部１１１が形成されたものである。継手鋼管１と
鋼管矢板６１は、管軸方向が一致するように溶接されて
いる。Ｔ型鋼２と鋼管矢板６１は、Ｔ型鋼２の長さ方向
と鋼管矢板６１の管軸方向が一致するように溶接されて
いる。嵌合継手部構造の嵌合部内にはモルタル４０が打
設される。嵌合部内に打設されたモルタル４０は、継手
鋼管１によって外部より形状が拘束された状態になって
いる。In the fitting joint structure shown in FIG. 10, the fitting steel pipe 1 is a female fitting joint and the T-shaped steel 2 is a male fitting joint. The joint steel pipe 1 is a cylindrical steel pipe in which a slit portion 111 parallel to the pipe axis direction is formed. The joint steel pipe 1 and the steel pipe sheet pile 61 are welded so that the pipe axis directions coincide with each other. The T-shaped steel 2 and the steel pipe sheet pile 61 are welded so that the length direction of the T-shaped steel 2 and the pipe axis direction of the steel pipe sheet pile 61 match. Mortar 40 is placed in the fitting portion of the fitting joint portion structure. The shape of the mortar 40 cast in the fitting portion is restrained by the joint steel pipe 1 from the outside.
【０００５】地震等により鋼管矢板式基礎に水平方向の
外力が作用した場合、鋼管矢板の下端部は支持層に固定
されているため、鋼管矢板は回転しようとする。鋼管矢
板間の嵌合継手部構造においては、嵌合継手部材は長手
方向上下にずれようとする。その結果、嵌合部内に打設
されたモルタル、コンクリ−ト等のセメント系の固化材
は、嵌合継手部材の長手方向の剪断力を受ける。また、
鋼管矢板式基礎において鋼管矢板にかかる荷重が均等で
ない場合、嵌合部内に打設されたセメント系の固化材
は、嵌合継手部材の長手方向の剪断力を受ける。When an external force in the horizontal direction acts on the steel pipe sheet pile foundation due to an earthquake or the like, the steel pipe sheet pile tries to rotate because the lower end portion of the steel pipe sheet pile is fixed to the support layer. In the fitting joint structure between the steel pipe sheet piles, the fitting joint member tends to shift vertically in the longitudinal direction. As a result, the cement-based solidifying material such as mortar or concrete cast in the fitting portion receives the shearing force in the longitudinal direction of the fitting joint member. Also,
When the load applied to the steel pipe sheet pile in the steel pipe sheet pile type foundation is not uniform, the cement-based solidifying material cast in the fitting portion receives shearing force in the longitudinal direction of the fitting joint member.
【０００６】鋼管矢板式基礎に代表されるような複数の
鋼材からなる基礎構築物において、基礎としての強度を
十分に得るためは、基礎を構成する鋼材が外力に対して
一体化して機能する必要がある。このため、鋼材の嵌合
継手部構造の強度を高めることが必要となる。嵌合継手
部材の長手方向の剪断力に対する嵌合継手部構造の強度
を向上させるためには、嵌合継手部材とセメント系の固
化材の接合界面の付着強度向上を図る必要がある。In a foundation structure composed of a plurality of steel materials as represented by a steel pipe sheet pile type foundation, in order to obtain sufficient strength as a foundation, it is necessary that the steel materials constituting the foundation function integrally with an external force. is there. Therefore, it is necessary to enhance the strength of the fitting joint structure made of steel. In order to improve the strength of the fitting joint portion structure against the longitudinal shearing force of the fitting joint member, it is necessary to improve the adhesive strength at the joint interface between the fitting joint member and the cement-based solidifying material.
【０００７】[0007]
【発明が解決しようとする課題】しかしながら、従来の
嵌合継手部構造は嵌合継手部材と固化材の接合界面の付
着強度が弱く、嵌合継手部材の長手方向の剪断力に対し
て、嵌合継手部材と固化材が容易に剥離してしまうとい
う問題点がある。このため、嵌合継手部材の長手方向の
剪断力に対する嵌合継手部構造の強度が弱いという問題
点がある。However, in the conventional fitting joint structure, the adhesive strength at the joining interface between the fitting joint member and the solidifying material is weak, and the fitting joint member is fitted with a long-term shearing force. There is a problem that the joint material and the solidified material are easily separated. Therefore, there is a problem in that the strength of the fitting joint portion structure against the longitudinal shearing force of the fitting joint member is weak.
【０００８】本発明は、以上の問題点の解決を図るべく
なされたものであって、鋼管矢板間の一体化の強化を図
るための嵌合継手部材を提供することを目的とする。The present invention has been made to solve the above problems, and an object of the present invention is to provide a fitting joint member for strengthening the integration between steel pipe sheet piles.
【０００９】[0009]
【課題を解決するための手段】請求項１の発明は、水平
方向に隣接する鋼材を連結するために鋼材に設けられる
嵌合継手部材であって、継手部材長手方向に対し角度を
持ったチェッカー状、または十字状の複数個の突起もし
くは突条が、嵌合面に設けられる雄嵌合継手部材と、 隣
接する鋼材の雄嵌合継手部材とともに嵌合継手部構造を
形成するものであって、外周面上に補強用突条が設けら
れる雌嵌合継手部材とを備えた嵌合継手部材である。According to a first aspect of the present invention, there is provided a fitting joint member provided on a steel member for connecting horizontally adjacent steel members, the checker member having an angle with respect to the joint member longitudinal direction. Jo or cross-shaped plurality of projections or ridges, is a Ohamago joint member provided in the mating surface, next
A fitting fitting part structure is formed together with a male fitting fitting member of a steel material in contact , and a reinforcing ridge is provided on the outer peripheral surface.
And a female fitting joint member to be fitted .
【００１０】[0010]
【００１１】請求項２の発明は、水平方向に隣接する鋼
材を連結するための嵌合継手部構造であって、継手部材
長手方向に対し角度を持ったチェッカー状、または十字
状の複数個の突起もしくは突条が、嵌合面に設けられる
雄嵌合継手部材と、 隣接する鋼材の雄嵌合継手部材とと
もに嵌合継手部構造を形成するものであって、外周面上
に補強用突条が設けられる雌嵌合継手部材と、嵌合部内
に充填されたセメント系固化材とを備えた嵌合継手部構
造である。[0011] According to a second aspect of the invention, a fitting joint structure for connecting the steel horizontally adjacent, the joint member <br/> longitudinally relative angle with checkers shape or cross shape Multiple protrusions or ridges on the mating surface
A male fitting joint member and an adjacent male fitting joint member made of steel
A forms a monitor fitting joint structure, the outer peripheral surface on
The fitting joint portion structure is provided with a female fitting joint member having a reinforcing ridge formed therein and a cement-based solidifying material filled in the fitting portion.
【００１２】尚、本発明において、セメント系固化材と
は、コンクリ−ト、モルタル、ソイルセメント等のよう
にセメントが１成分として加えられている固化材を示
す。In the present invention, the cement-based solidifying material means a solidifying material to which cement is added as one component, such as concrete, mortar and soil cement.
【００１３】[0013]
【作用】請求項１の発明の嵌合継手部構造は、嵌合部内
にセメント系固化材を充填する。嵌合継手部材の嵌合面
には、複数個の突起もしくは突条を設ける。このため、
嵌合継手部材とセメント系固化材の接合界面の付着強度
は、嵌合継手部材の長手方向の剪断力に対して大きくな
る。すなわち、嵌合継手部材の嵌合面に突起もしくは突
条を設けない場合、嵌合継手部材とセメント系固化材の
接合界面を剥離するに必要な剪断力は、嵌合継手部材と
セメント系固化材の表面の付着力に相当する。これに対
して嵌合継手部材の嵌合面に突起もしくは突条を設けた
場合、突起もしくは突条の谷部のセメント系固化材は、
突起もしくは突条の山部を越えて嵌合継手部材とセメン
ト系固化材の接合界面上をすべることができない。ゆえ
に、嵌合継手部材とセメント系固化材の剥離が発生する
ためには、（１）セメント系固化材が剪断破壊して、突
起もしくは突条の谷部のセメント系固化材が他の部分と
分離するか、（２）鉛直方向の力によってセメント系固
化材が、突起もしくは突条付近で圧縮を受けて圧縮破壊
し、突起もしくは突条の谷部のセメント系固化材が他の
部分と分離するか、（３）あるいは、突起もしくは突条
の変形、の何れかが発生しなければならない。その結
果、嵌合継手部材とセメント系固化材の接合界面の剥離
が発生するためには、嵌合継手部材とセメント系固化材
の表面の付着力に加えて、セメント系固化材の剪断破
壊、セメント系固化材の圧縮破壊、あるいは、突起もし
くは突条の変形の何れかを発生させるだけの剪断力が必
要になる。したがって、嵌合継手部材の嵌合面に突起も
しくは突条を設けることにより、嵌合継手部材の長手方
向の剪断力に対する嵌合継手部材とセメント系固化材の
接合界面の付着強度向上を図ることができる。その結
果、嵌合継手部材の長手方向の力に対する嵌合継手部構
造の強度向上を図ることができるという効果がある。In the fitting joint portion structure of the invention of claim 1, the fitting portion is filled with the cement-based solidifying material. A plurality of protrusions or ridges are provided on the fitting surface of the fitting joint member. For this reason,
The adhesive strength at the joint interface between the fitting joint member and the cementitious solidifying material is greater than the shearing force in the longitudinal direction of the fitting joint member. That is, when no protrusions or ridges are provided on the fitting surface of the fitting joint member, the shearing force required to separate the joint interface between the fitting joint member and the cement-based solidifying material is the solidification of the fitting joint member and the cement-based solidifying material. It corresponds to the adhesive force on the surface of the material. On the other hand, when a protrusion or a ridge is provided on the fitting surface of the fitting joint member, the cement-based solidifying material at the valley of the protrusion or the ridge is
It is not possible to slip on the joint interface between the fitting joint member and the cement-based solidifying material beyond the protrusion or the ridge portion. Therefore, in order to cause the separation of the fitting joint member and the cement-based solidifying material, (1) the cement-based solidifying material is sheared and broken, and the cement-based solidifying material in the valleys of the protrusions or ridges is separated from other parts. Separation or (2) Cement-based solidification material is compressed near the projections or ridges due to vertical force and compressively fractures, and the cement-based solidification material at the valleys of the projections or ridges separates from other parts. Either (3) or the deformation of the protrusion or the ridge must occur. As a result, in order to cause peeling of the joint interface between the fitting joint member and the cement-based solidifying material, in addition to the adhesive force on the surface of the fitting joint member and the cement-based solidifying material, shear fracture of the cement-based solidifying material, Shearing force is required to generate either compression failure of the cement-based solidifying material or deformation of the protrusions or ridges. Therefore, by providing a protrusion or a ridge on the fitting surface of the fitting joint member, it is possible to improve the adhesive strength of the joining interface between the fitting joint member and the cement-based solidifying material against the shearing force in the longitudinal direction of the fitting joint member. You can As a result, there is an effect that it is possible to improve the strength of the fitting joint portion structure against the longitudinal force of the fitting joint member.
【００１４】請求項１の発明の嵌合継手部材は、嵌合継
手部材の嵌合面に、該嵌合継手部材の長手方向に対し角
度をもったチェッカー状または十字状の複数個の突起も
しくは突条を設けたものである。これにより、請求項１
の嵌合継手部材を用いて嵌合継手構造を形成した際、嵌
合部に打設したセメント系固化剤と嵌合継手部材の付着
強度向上を図ることができる。According to another aspect of the present invention, there is provided a fitting joint member having an angle on a fitting surface of the fitting joint member with respect to a longitudinal direction of the fitting joint member.
It is provided with a plurality of checker-like or cross-shaped projections or ridges with a certain degree. Thereby, claim 1
When the fitting joint structure is formed using the fitting joint member, the adhesion strength between the cement-based solidifying agent placed in the fitting portion and the fitting joint member can be improved.
【００１５】また、請求項１の発明は、嵌合継手部構造
を形成する雌型嵌合継手部材の外周面上に補強用突条を
設け、前記雌型嵌合継手部材の、主として軸直角方向の
剛性向上を図ったものである。一般に嵌合継手に引張力
が働くと雌型嵌合継手部材はその開口部が変形して開口
量が大きくなりついには該開口部から雄型嵌合継手部材
がすっぽぬけることになる。本発明においては、雌型嵌
合継手部材の外周面上に、複数個の補強用突条を設けた
ため該嵌合継手の軸直角方向の剛性が向上し開口部の変
形が抑えられ、その結果嵌合継手構造の引張強度向上を
図ることができる。According to the invention of claim 1, the fitting joint portion structure is provided.
Reinforcing ridges are formed on the outer peripheral surface of the female fitting joint member that forms the
This is provided to improve the rigidity of the female fitting joint member mainly in the direction perpendicular to the axis. Generally, when a tensile force acts on the fitting joint, the opening of the female fitting joint member is deformed to increase the opening amount, and finally the male fitting joint member is completely pulled out from the opening. become. In the present invention, the female fitting
Since a plurality of reinforcing ridges are provided on the outer peripheral surface of the mating joint member, the rigidity of the mating joint in the direction perpendicular to the axis is improved and deformation of the opening is suppressed, and as a result, the tensile strength of the mating joint structure is improved. Can be achieved.
【００１６】請求項２の発明は、請求項１の嵌合継手の
嵌合部内にセメント系固化材が充填されているものであ
る。嵌合継手の嵌合部内にセメント系固化材を充填する
ことにより、該嵌合継手部の止水性が確保されるととも
に、嵌合が一層強固なものとなる。According to a second aspect of the present invention, the fitting portion of the first aspect of the fitting joint is filled with a cement-based solidifying material. By filling the fitting portion of the fitting joint with the cement-based solidifying material, the waterproofness of the fitting joint portion is ensured and the fitting is further strengthened.
【００１７】[0017]
【実施例】図１は、請求項２の発明の嵌合継手部構造の
一実施例を示す概略断面図である。図１中、１１は突起
付継手鋼管、１１１はスリット部、１２は突起付Ｔ型
鋼、１２１はステム部、３０は突起、４０はモルタル、
６１は鋼管矢板、６１１は溶接部、７０は地盤を示す。1 is a schematic sectional view showing an embodiment of a fitting joint portion structure according to the invention of claim 2. In FIG. In FIG. 1, 11 is a joint steel pipe with protrusions, 111 is a slit portion, 12 is a T-shaped steel with protrusions, 121 is a stem portion, 30 is a protrusion, 40 is a mortar,
Reference numeral 61 indicates a steel pipe sheet pile, 611 indicates a welded portion, and 70 indicates the ground.
【００１８】図１に示す嵌合継手部構造は、突起付Ｔ型
鋼１２を雄型嵌合継手部材、管軸方向にスリット部１１
１が入った円筒状の突起付継手鋼管１１を雌型嵌合継手
部材としている。突起付Ｔ型鋼１２と鋼管矢板６１は、
突起付Ｔ型鋼１２の長さ方向と鋼管矢板６１の管軸方向
が平行になるように溶接する。突起付継手鋼管１１と鋼
管矢板６１は、管軸方向が平行になるように溶接する。In the fitting joint structure shown in FIG. 1, a T-shaped steel 12 with protrusions is used as a male fitting joint member, and a slit portion 11 is formed in the pipe axial direction.
The cylindrical jointed steel pipe 11 with the projection 1 therein is used as a female fitting joint member. The T-shaped steel 12 with protrusions and the steel pipe sheet pile 61 are
Welding is performed so that the length direction of the T-shaped steel 12 with protrusions and the pipe axis direction of the steel pipe sheet pile 61 are parallel. The joint steel pipe 11 with protrusions and the steel pipe sheet pile 61 are welded so that the pipe axis directions are parallel to each other.
【００１９】鋼管矢板６１は、打ち込み工法により地盤
７０に打設する。突起付継手鋼管１１と突起付Ｔ型鋼１
２の嵌合は、（１）既設の鋼管矢板６１の上方におい
て、後続の鋼管矢板６１の突起付Ｔ型鋼１２のステム部
１２１の位置を既設の鋼管矢板６１の突起付継手鋼管１
１のスリット部１１１に合わせた後、（２）後続の鋼管
矢板６１を地盤７０に打設していくことにより行われ
る。The steel pipe sheet pile 61 is driven into the ground 70 by a driving method. Joint steel pipe with projection 11 and T-shaped steel with projection 1
The fitting of 2 is as follows: (1) Above the existing steel pipe sheet pile 61, the position of the stem portion 121 of the T-shaped steel 12 with protrusions of the subsequent steel pipe sheet pile 61 is set to the joint steel pipe with protrusions 1 of the existing steel pipe sheet pile 61.
After aligning with the slit portion 111 of No. 1, (2) the subsequent steel pipe sheet pile 61 is driven into the ground 70.
【００２０】突起付Ｔ型鋼１２と突起付継手鋼管１１の
嵌合部にはモルタル４０を打設する。モルタル４０は、
突起付継手鋼管１１によって周囲から形状が拘束された
状態になる。このため、嵌合部に打設されたモルタル４
０の破壊強度は、コンファインド効果により向上する。Mortar 40 is placed in the fitting portion between the T-shaped steel 12 with protrusions and the joint steel pipe 11 with protrusions. Mortar 40 is
The shape is constrained from the surroundings by the joint steel pipe 11 with protrusions. Therefore, the mortar 4 placed in the fitting part
The breaking strength of 0 is improved by the confined effect.
【００２１】突起付Ｔ型鋼１２の表面および突起付継手
鋼管１１の管内面には、複数個のチェッカ−状の突起３
０を設ける。突起付Ｔ型鋼１２の表面および突起付継手
鋼管１１の管内面にチェッカ−状の突条３０を設けるこ
とにより、モルタル４０と突起付Ｔ型鋼１２、およびモ
ルタル４０と突起付継手鋼管１１の付着強度向上を図る
ことができる。A plurality of checker-like projections 3 are formed on the surface of the T-shaped steel 12 with projections and on the inner surface of the jointed steel pipe 11 with projections.
0 is set. By providing the checker-shaped ridges 30 on the surface of the T-shaped steel with projection 12 and the inner surface of the jointed steel pipe with projection 11, the adhesive strength between the mortar 40 and the T-shaped steel with projection 12 and the mortar 40 and the jointed steel pipe with projection 11 is provided. It is possible to improve.
【００２２】図２は、嵌合継手部材とモルタルの付着強
度に及ぼす突起もしくは突条の影響を説明するための説
明図である。図２は嵌合継手部材の断面を示しており、
図２中、１０は嵌合継手部材、３０は突起、３１は山
部、３２は谷部、４０はモルタルを示している。FIG. 2 is an explanatory view for explaining the influence of a projection or a ridge on the adhesion strength between the fitting joint member and the mortar. FIG. 2 shows a cross section of the fitting joint member,
In FIG. 2, 10 is a fitting joint member, 30 is a protrusion, 31 is a mountain portion, 32 is a valley portion, and 40 is a mortar.
【００２３】図２に示すように、突起３０を設けた嵌合
継手部材１０とモルタル４０の接合界面に剪断力が作用
する場合を考える。嵌合継手部材の嵌合面に突起（もし
くは突条）を設けない場合、嵌合継手部材とモルタルの
接合界面を剥離するに必要な剪断力は、嵌合継手部材と
モルタルの表面の付着力に相当する。これに対して、図
２に示すように嵌合継手部材１０の嵌合面に突起３０を
設けた場合、突起３０の谷部３２のモルタル４０は、突
起３０の山部３１を越えて嵌合継手部材１０とモルタル
４０の接合界面上をすべることができない。このため、
嵌合継手部材１０とモルタル４０の剥離が発生するため
には、（１）図２中、紙面に垂直かつ点線に沿ったＡ−
Ａ面でモルタル４０が剪断破壊して、突起３０の谷部３
２のモルタル４０がモルタル４０の他の部分と分離する
か、（２）嵌合継手部材１０とモルタル４０の接合界面
に加わった力により、モルタル４０が突起３０付近で圧
縮を受けて圧縮破壊し、突起３０の谷部３２のモルタル
４０がモルタル４０の他の部分と分離するか、（３）も
しくは突起３０の変形の何れかが発生しなければならな
い。その結果、嵌合継手部材１０とモルタル４０の接合
界面の剥離が発生するためには、嵌合継手部材１０とモ
ルタル４０の表面の付着力に加えて、モルタル４０の剪
断破壊、モルタル４０の圧縮破壊、もしくは突起３０の
変形の何れかを発生させるだけの余分な剪断力が必要に
なる。したがって、嵌合継手部材１０の嵌合面に突起３
０を設けることにより、嵌合継手部材１０とモルタル４
０の接合界面の付着強度向上を図ることができる。同様
の理由により、嵌合継手部材１０の嵌合面に突条を設け
ることにより、嵌合継手部材１０とモルタル４０の接合
界面の付着強度向上を図ることができる。Consider a case where a shearing force acts on the joint interface between the fitting joint member 10 provided with the projection 30 and the mortar 40 as shown in FIG. If no protrusions (or ridges) are provided on the fitting surface of the fitting joint member, the shearing force required to separate the joint interface between the fitting joint member and mortar is the adhesive force between the surface of the fitting joint member and the mortar. Equivalent to. On the other hand, when the projection 30 is provided on the fitting surface of the fitting joint member 10 as shown in FIG. 2, the mortar 40 in the valley portion 32 of the projection 30 is fitted over the peak portion 31 of the projection 30. The joint interface between the joint member 10 and the mortar 40 cannot slide. For this reason,
In order to cause the separation of the fitting joint member 10 and the mortar 40, (1) in FIG. 2, A- perpendicular to the paper surface and along the dotted line
The mortar 40 is sheared and broken on the surface A, and the valley 3 of the protrusion 30 is broken.
The mortar 40 of No. 2 is separated from the other portions of the mortar 40, or (2) the mortar 40 is compressed near the protrusions 30 by the force applied to the joint interface between the fitting joint member 10 and the mortar 40, and is crushed by compression. The mortar 40 in the valley 32 of the protrusion 30 must be separated from the other portions of the mortar 40, or either (3) or the deformation of the protrusion 30 must occur. As a result, in order to cause peeling of the joint interface between the fitting joint member 10 and the mortar 40, in addition to the adhesive force on the surfaces of the fitting joint member 10 and the mortar 40, shear fracture of the mortar 40 and compression of the mortar 40 occur. Extra shear is required to either break or deform the protrusions 30. Therefore, the protrusion 3 is formed on the fitting surface of the fitting joint member 10.
By providing 0, the fitting joint member 10 and the mortar 4
It is possible to improve the adhesive strength of the bonding interface of 0. For the same reason, by providing a protrusion on the fitting surface of the fitting joint member 10, it is possible to improve the adhesion strength at the joint interface between the fitting joint member 10 and the mortar 40.
【００２４】図３は、図１に示した実施例において突起
付Ｔ型鋼１２の表面、および突起付継手鋼管１１の管内
に設ける突起の配列方法の一実施例を示した概略平面図
である。図３中、３０は突起、２０は嵌合継手の嵌合
面、すなわち突起付Ｔ型鋼１２の表面もしくは突起付継
手鋼管１１の管内面を示す。尚、図３において、下図は
上図に示した概略平面図のＢ−Ｂ断面図を示す。FIG. 3 is a schematic plan view showing an embodiment of a method of arranging the protrusions provided on the surface of the T-shaped steel 12 with protrusions and the joint steel pipe with protrusions 11 in the embodiment shown in FIG. In FIG. 3, reference numeral 30 denotes a protrusion, and 20 denotes a fitting surface of the fitting joint, that is, the surface of the T-shaped steel 12 with a projection or the inner surface of the joint steel pipe 11 with a projection. Incidentally, in FIG. 3, the lower diagram is a cross-sectional view taken along the line BB of the schematic plan view shown in the upper diagram.
【００２５】図３に示す突起３０の配列方法は、突起３
０の長手方向が嵌合継手部材の長手方向（すなわち突起
付Ｔ型鋼１２における長さ方向、突起付鋼管継手１１に
おける管軸方向）に対して４５°の角度をなすように、
突起３０をチェッカ−状に配列したものである。突起３
０の長手方向が嵌合継手の長手方向に対して角度を持っ
ているため、嵌合継手部材の長手方向の剪断力に対する
モルタル４０と嵌合継手部材（突起付継手鋼管１１、突
起付Ｔ型鋼１２）の付着強度向上を図ることができる。
その結果、嵌合継手部材（突起付継手鋼管１１、突起付
Ｔ型鋼１２）の長手方向の力に対する嵌合継手部構造の
強度向上を図ることができる。同様に突条の場合につい
ても、突条の長手方向と嵌合継手の長手方向に角度を持
たせることにより、嵌合継手の長手方向の力に対する嵌
合継手部構造の強度向上を図ることができる。The arrangement method of the protrusions 30 shown in FIG.
The longitudinal direction of 0 forms an angle of 45 ° with the longitudinal direction of the fitting joint member (that is, the length direction of the T-shaped steel 12 with protrusions, the pipe axis direction of the steel pipe joint 11 with protrusions).
The projections 30 are arranged in a checkered pattern. Protrusion 3
Since the longitudinal direction of 0 has an angle with the longitudinal direction of the fitting joint, the mortar 40 and the fitting joint member (projection joint steel pipe 11, projection T-shaped steel with respect to the shearing force in the longitudinal direction of the fitting joint member). It is possible to improve the adhesion strength of 12).
As a result, it is possible to improve the strength of the fitting joint portion structure against the force in the longitudinal direction of the fitting joint member (the joint steel pipe with protrusion 11 and the T-shaped steel 12 with protrusion). Similarly, in the case of ridges as well, by making an angle in the longitudinal direction of the ridges and the longitudinal direction of the fitting joint, it is possible to improve the strength of the fitting joint structure against the force in the longitudinal direction of the fitting joint. it can.
【００２６】さらに図３に示すように、突起３０の長手
方向は、嵌合継手部材（突起付継手鋼管１１、突起付Ｔ
型鋼１２）の長手方向に垂直な方向に対しても角度を持
っており、嵌合継手部構造の引張力に対する強度向上を
同時に図ることができる。嵌合継手部構造に引張力が作
用した場合、（１）まず、モルタル、コンクリ−ト等の
セメント系固化材と突起付継手鋼管（すなわち雌型嵌合
継手部材）の剥離が発生し、（２）引張力の増大ととも
に、突起付継手鋼管が変形してスリット部が開くことに
より、嵌合継手部構造が壊れる。嵌合継手部材（突起付
継手鋼管１１、突起付Ｔ型鋼１２）の長手方向に垂直な
方向に対して、突起３０の長手方向に角度を持たせるこ
とにより、嵌合継手部材（突起付継手鋼管１１、突起付
Ｔ型鋼１２）の長手方向に垂直な力、すなわち嵌合継手
部構造にかかる引張力に対する嵌合継手部材（突起付継
手鋼管１１、突起付Ｔ型鋼１２）とセメント系固化材の
付着強度向上を図ることができる。その結果、突起付継
手鋼管１１が変形するに要する引張力の向上を図ること
ができる。したがって、嵌合継手部材（突起付継手鋼管
１１、突起付Ｔ型鋼１２）の長手方向に垂直な方向に対
して、突起３０の長手方向に角度を持たせることによ
り、嵌合継手部構造の引張力に対する強度向上も同時に
図ることができる。同様に突条の場合についても、嵌合
継手の長手方向に垂直な方向に対して、突条の長手方向
に角度を持たせることによって、嵌合継手部構造の引張
力に対する強度向上も同時に図ることができる。Further, as shown in FIG. 3, the longitudinal direction of the protrusion 30 is such that the fitting joint member (joint steel pipe with protrusion 11, T with protrusion).
It also has an angle with respect to the direction perpendicular to the longitudinal direction of the shaped steel 12), so that the strength of the fitting joint structure against tensile force can be improved at the same time. When a tensile force is applied to the fitting joint structure, (1) first, the cement-based solidifying material such as mortar or concrete and the jointed steel pipe with projection (that is, the female fitting joint member) are separated, 2) As the tensile force increases, the jointed steel pipe with protrusions deforms and the slit portion opens, so that the fitting joint structure is broken. By fitting an angle in the longitudinal direction of the protrusion 30 with respect to the direction perpendicular to the longitudinal direction of the fitting joint member (joint steel pipe with protrusion 11, T-shaped steel 12 with protrusion), the fitting joint member (joint steel pipe with protrusion) 11, a T-shaped steel with projection 12) having a force perpendicular to the longitudinal direction, that is, a tensile force applied to the structure of the fitting joint, of the fitting joint member (joint steel pipe with projection 11, T-shaped steel with projection 12) and the cement-based solidifying material. It is possible to improve the adhesion strength. As a result, it is possible to improve the tensile force required to deform the jointed steel pipe with projection 11. Therefore, by making an angle in the longitudinal direction of the protrusion 30 with respect to the direction perpendicular to the longitudinal direction of the fitting joint member (joint steel pipe with protrusion 11, T-shaped steel 12 with protrusion), the tensile force of the fitting joint portion structure is increased. At the same time, strength against force can be improved. Similarly, in the case of ridges as well, by making an angle in the longitudinal direction of the ridge with respect to the direction perpendicular to the longitudinal direction of the fitting joint, the strength of the fitting joint structure against tensile force is also improved. be able to.
【００２７】また、従来、鋼管矢板を打ち込み工法で建
て込んだ際、嵌合継手部材の嵌合部内は地盤の土砂が充
填された状態になる。このため、従来は嵌合部内にモル
タル等のセメント系固化材を打設する前に、嵌合部に充
填された土砂を水流等による力で除去（以下、「排土」
と呼ぶ）する必要があった。本発明は、嵌合継手部材の
嵌合面に設けられた突起（もしくは突条）の長手方向
が、嵌合継手部材の長手方向に対して所定の角度をなす
ように、突起（もしくは突条）を配列することにより、
嵌合面と地盤の摩擦係数の増大を図る。その結果、鋼管
矢板を地中に打設した際、先端閉塞効果によって嵌合継
手部構造の嵌合部内に充填される土砂の量の低減を図る
ことができ、排土の手間軽減を図ることができる。Further, conventionally, when the steel pipe sheet pile is built by the driving method, the fitting portion of the fitting joint member is filled with the earth and sand of the ground. Therefore, conventionally, before the cement-based solidifying material such as mortar is placed in the fitting part, the earth and sand filled in the fitting part is removed by the force of the water flow (hereinafter, "discharging").
Had to do so). The present invention provides a protrusion (or a ridge) such that the longitudinal direction of the protrusion (or ridge) provided on the fitting surface of the fitting joint member forms a predetermined angle with the longitudinal direction of the fitting joint member. ) By arranging
Increase the friction coefficient between the mating surface and the ground. As a result, when a steel pipe sheet pile is driven into the ground, it is possible to reduce the amount of earth and sand filled in the fitting part of the fitting joint structure due to the effect of blocking the tip, and to reduce the time and effort for earth removal. You can
【００２８】図４は、請求項１の嵌合継手部材の一実施
例を示した概略斜視図である。図４中、１１は突起付継
手鋼管、１１１はスリット部、１２は突起付Ｔ型鋼、５
０は補強用突条、６１は鋼管矢板を示す。尚、図４にお
いて、突起付継手鋼管１１の管内面および突起付Ｔ型鋼
１２の表面には、それぞれ鉛直方向に所定の角度をなす
方向に所定の長さを持った突起が設けられている。（突
起は図示せず。）FIG. 4 is a schematic perspective view showing an embodiment of the fitting joint member of the first aspect. In FIG. 4, 11 is a jointed steel pipe with protrusions, 111 is a slit portion, 12 is T-shaped steel with protrusions, 5
Reference numeral 0 represents a reinforcing ridge, and 61 represents a steel pipe sheet pile. In FIG. 4, the inner surface of the joint steel pipe with protrusion 11 and the surface of the T-shaped steel 12 with protrusion are provided with protrusions each having a predetermined length in a direction forming a predetermined angle in the vertical direction. (The protrusion is not shown.)
【００２９】図４に示す請求項１の嵌合継手部材は、雌
型嵌合継手部材である突起付継手鋼管１１の外周面上に
水平方向の補強用突条５０を設け、水平方向の力に対す
る突起付継手鋼管１１の剛性を高めたものである。これ
により、突起付継手鋼管１１は、嵌合継手部構造に作用
する引張力に対して変形しにくくなる。その結果、引張
力に対する嵌合継手部構造の強度向上を図ることができ
る。尚、補強用突条５０は、鋼管矢板６１と突起付継手
鋼管１１を溶接した後、突起付継手鋼管１１の外周面に
溶接して設けてもよい。According to the fitting joint member of claim 1 shown in FIG. 4, a horizontal reinforcing ridge 50 is provided on the outer peripheral surface of the jointed steel pipe with projection 11 which is a female fitting joint member, and a horizontal force is applied. The rigidity of the jointed steel pipe 11 with protrusions is increased. This makes it difficult for the joint steel pipe with projection 11 to be deformed by the tensile force acting on the fitting joint portion structure. As a result, it is possible to improve the strength of the fitting joint portion structure against the tensile force. The reinforcing ridge 50 may be provided by welding the steel pipe sheet pile 61 and the joint steel pipe 11 with protrusions and then welding the outer peripheral surface of the joint steel pipe 11 with protrusions.
【００３０】図５は、本発明の嵌合継手部構造の別の実
施例を示すための鉛直方向に垂直な断面図である。図５
中、１１は突起付継手鋼管、１２は突起付Ｔ型鋼、１３
は突起付Ｌ型鋼、４０はコンクリ−ト、６１は鋼管矢
板、７０は地盤を示す。尚、図５において、突起付継手
鋼管１１の管内面、突起付Ｔ型鋼１２の表面および突起
付Ｌ型鋼１３の表面には突起が設けられている。（突起
は図示せず。）FIG. 5 is a vertical sectional view showing another embodiment of the fitting joint portion structure of the present invention. Figure 5
Inside, 11 is a jointed steel pipe with protrusions, 12 is a T-shaped steel with protrusions, 13
Is a L-shaped steel with protrusions, 40 is a concrete, 61 is a steel pipe sheet pile, and 70 is a ground. In FIG. 5, protrusions are provided on the inner surface of the joint steel pipe with protrusions 11, the surface of the T-shaped steel 12 with protrusions, and the surface of the L-shaped steel 13 with protrusions. (The protrusion is not shown.)
【００３１】図５に示すように、本発明の嵌合継手部構
造の形式は、突起付継手鋼管１１と突起付Ｔ型鋼１２の
組み合わせからなる嵌合継手部構造のみに限定されるも
のではない。例えば、図５（ａ）に示すように、２つの
突起付Ｌ型鋼１３を向かい合わせて鋼管矢板６１に溶接
したものを雌型継手部材、突起付Ｔ型鋼１２を雄型継手
部材として嵌合継手部構造を形成してもよい。また、図
５（ｂ）に示すように、管軸方向にスリットの入った突
起付継手鋼管１１を互いに噛み合わせて嵌合継手部構造
を形成してもよい。As shown in FIG. 5, the type of the fitting joint portion structure of the present invention is not limited to only the fitting joint portion structure formed by the combination of the jointed steel pipe 11 with protrusions and the T-shaped steel 12 with protrusions. . For example, as shown in FIG. 5 (a), a fitting joint in which two L-shaped steel 13 with protrusions are welded to a steel pipe sheet pile 61 so as to face each other and a T-shaped steel 12 with protrusions is used as a male joint member. A partial structure may be formed. Further, as shown in FIG. 5 (b), the joint steel pipes 11 with protrusions having slits in the pipe axial direction may be meshed with each other to form a fitting joint structure.
【００３２】図６〜図８は、本発明における嵌合継手部
材における突起の配列方法を補足説明する概略平面図で
ある。図６〜図８中、３０は突起、２０は嵌合継手の嵌
合面、すなわち突起付きＴ型鋼１２の表面もしくは突起
付鋼管継手１１の管内面を示す。尚、図６〜図８におい
て、下図は上図に示した概略平面図のＢ−Ｂ断面図を示
す。6 to 8 are schematic plan views for supplementarily explaining the method of arranging the protrusions in the fitting joint member according to the present invention. 6 to 8, reference numeral 30 denotes a protrusion, and 20 denotes a fitting surface of the fitting joint, that is, a surface of the T-shaped steel 12 with a projection or a pipe inner surface of the steel pipe joint 11 with a projection. In addition, in FIGS. 6 to 8, the following figures are sectional views taken along the line BB of the schematic plan view shown in the above figure.
【００３３】本発明において、突起の配列形式はチェッ
カー状に限定するものではない。例えば、図６に示すよ
うに、正面から見たときの突起の形状が十字形であって
もよい。また、図７に示すように、嵌合継手部材の長手
方向に略垂直な方向に対して、平行な長手方向を持った
突起のみを配列した場合は、嵌合継手部構造の引張力に
対する強度向上が問題となる。また、図８は、嵌合継手
部材の長手方向に垂直な長手方向を有する突起と、嵌合
継手部材の長手方向に平行な長手方向を有する突起をチ
ェッカー状に配列したものである。In the present invention, the array form of the protrusions is not limited to the checkered form. For example, as shown in FIG. 6, the shape of the protrusion when viewed from the front may be a cross shape. In addition, as shown in FIG.
Has a longitudinal direction parallel to the direction substantially perpendicular to the direction
If only the protrusions are arranged, the tensile force of the fitting joint structure
On the other hand, the improvement of strength becomes a problem. Further, FIG. 8 is obtained by sequence protrusion having a longitudinal direction perpendicular to the longitudinal direction of the fitting joint member, the projection having a longitudinal direction parallel to the longitudinal direction of the fitting coupling member to checker shape.
【００３４】本発明は、鋼管矢板の打ち込み工法に限定
して利用されるものではない。例えば、オ−ガ−で地盤
を掘削しながら掘削孔内にソイルセメントの柱の列を形
成した後、ソイルセメントが固化する前に掘削孔内に逐
次鋼管矢板を建て込んでいく工法に利用してもよい。The present invention is not limited to the method of driving a steel pipe sheet pile. For example, it is used in a construction method in which a row of pillars of soil cement is formed in an excavation hole while excavating the ground with an auger, and then steel pipe sheet piles are successively built in the excavation hole before the soil cement solidifies. May be.
【００３５】本発明は、鋼管矢板の嵌合継手構造のみに
限定されるものではない。図９は、本発明の嵌合継手部
材の利用方法の一例を示した図である。図９中、１１は
突起付継手鋼管、１２は突起付Ｔ型鋼、６２は箱型鋼矢
板、６２１はフランジ、６２２はウェブ、６２３は箱型
鋼矢板６２同士を鉛直方向に接続するためのボルト接合
用小孔、６２４はハニカム状の孔を示す。また、図９に
おいてフランジ６２１の面法線方向に垂直かつウェブ６
２２の面法線方向に垂直な方向を、箱型鋼矢板６２の材
軸方向とする。The present invention is not limited to the fitting joint structure of the steel pipe sheet pile. FIG. 9: is the figure which showed an example of the usage method of the fitting joint member of this invention. In FIG. 9, 11 is a joint steel pipe with a protrusion, 12 is a T-shaped steel with a protrusion, 62 is a box-type steel sheet pile, 621 is a flange, 622 is a web, and 623 is a bolt joint for connecting the box-type steel sheet piles 62 to each other in the vertical direction. Small holes, 624, indicate honeycomb-shaped holes. Further, in FIG. 9, the direction perpendicular to the surface normal of the flange 621 and the web 6 are
The direction perpendicular to the surface normal direction of 22 is the material axis direction of the box-shaped steel sheet pile 62.
【００３６】図９に示すように、箱型鋼矢板６２は、一
対の平行な板状のフランジ６２１とフランジ６２１に垂
直に取り付けられた１対のウェブ６２２を有する。フラ
ンジ面６２１のうち、ウェブ６２２の取り付け位置の外
側の部分にはハニカム状の孔６２４が設けられている。
ハニカム状の孔６２４は、地盤に掘削した掘削溝内に箱
型鋼矢板６２を建て込んだ後、掘削溝内にコンクリ−ト
を打設する場合、フランジ６２１間から打設したコンク
リ−トを掘削溝壁面とフランジ６２１の隙間に供給する
ために設ける。As shown in FIG. 9, the box-shaped steel sheet pile 62 has a pair of parallel plate-like flanges 621 and a pair of webs 622 vertically attached to the flanges 621. A honeycomb-shaped hole 624 is provided in a portion of the flange surface 621 outside the mounting position of the web 622.
When the box-shaped steel sheet pile 62 is built in the excavation trench excavated in the ground and then the concrete is placed in the excavation trench, the honeycomb-shaped hole 624 is excavated from the flange 621. It is provided to supply to the gap between the groove wall surface and the flange 621.
【００３７】フランジ６２１の先端には、突起付継手鋼
管１１および突起付Ｔ型鋼１２を設ける。突起付鋼管１
１の管軸方向および、突起付Ｔ型鋼１２の長さ方向は、
箱型鋼矢板６２の材軸方向と平行にする。箱型鋼矢板６
２の連結の際、一方の箱型鋼矢板６２の突起付継手鋼管
１１と他方の箱型鋼矢板６２の突起付Ｔ型鋼１２を嵌合
させるとともに、突起付継手鋼管１１内部にコンクリ−
ト、モルタル、ソイルセメント等のセメント系固化材を
充填する。At the tip of the flange 621, the joint steel tube 11 with a projection and the T-shaped steel 12 with a projection are provided. Steel pipe with protrusion 1
The pipe axis direction of 1 and the length direction of the T-shaped steel 12 with protrusions are
It is parallel to the material axis direction of the box-shaped steel sheet pile 62. Box type steel sheet pile 6
At the time of connecting the two, the joint steel pipe 11 with protrusions of one box-type steel sheet pile 62 and the T-shaped steel 12 with protrusions of the other box-type steel sheet pile 62 are fitted together, and the inside of the joint steel pipe 11 with protrusions is concreted.
Fill with cement-based solidifying material such as gypsum, mortar and soil cement.
【００３８】突起付継手鋼管１１の管内面および突起付
Ｔ型鋼１２の表面には突起が設けられている（突起は図
示せず）。突起付鋼管１１の管内面および突起付Ｔ型鋼
１２の表面に設ける突起の長手方向は、箱型鋼矢板６２
の材軸方向に対して角度をなすようにする。これによ
り、箱型鋼矢板６２の材軸方向の剪断力に対する、突起
付鋼管１１および突起付Ｔ型鋼１２とセメント系固化材
の付着強度向上を図る。その結果、箱型鋼矢板６２の材
軸方向の力に対する嵌合継手部構造の強度向上を図るこ
とができる。Protrusions are provided on the inner surface of the joint steel pipe 11 with protrusions and on the surface of the T-shaped steel 12 with protrusions (protrusions not shown). The longitudinal direction of the projections provided on the inner surface of the steel tube 11 with projections and the surface of the T-shaped steel 12 with projections is the box-shaped steel sheet pile 62.
Make an angle with the material axis direction. As a result, the adhesion strength between the steel pipe with projection 11, the T-shaped steel with projection 12 and the cement-based solidifying material against the shearing force of the box-shaped steel sheet pile 62 in the material axis direction is improved. As a result, it is possible to improve the strength of the fitting joint portion structure against the force of the box-shaped steel sheet pile 62 in the material axis direction.
【００３９】また、突起付継手鋼管１１および突起付Ｔ
型鋼１２に設ける突起の長手方向を箱型鋼矢板６２の材
軸方向に対しても角度をもたせることにより、箱型鋼矢
板６２の材軸方向に垂直な力、すなわち嵌合継手部構造
に作用する引張力に対して突起付鋼管１１および突起付
Ｔ型鋼１２とセメント系固化材の付着強度向上を図る。
その結果、引張力に対する箱型鋼矢板６２の嵌合継手構
造の強度向上を図ることができる。Further, the joint steel pipe 11 with a projection and the T with a projection
By making the longitudinal direction of the projections provided on the shape steel 12 also have an angle with respect to the material axis direction of the box-shaped steel sheet pile 62, a force perpendicular to the material axis direction of the box-shaped steel sheet pile 62, that is, a tensile force acting on the fitting joint portion structure. With respect to the force, the adhesion strength between the steel pipe with protrusion 11, the T-shaped steel with protrusion 12, and the cement-based solidifying material is improved.
As a result, the strength of the fitting joint structure of the box-shaped steel sheet pile 62 against tensile force can be improved.
【００４０】[0040]
【発明の効果】本発明の嵌合継手部構造、および嵌合継
手部材は、嵌合継手部材の嵌合面に、突起もしくは突条
を設けることによって、嵌合継手部材の長手方向の力に
対する嵌合継手部構造の強度向上を図ることができると
いう効果がある。EFFECTS OF THE INVENTION The fitting joint portion structure and the fitting joint member of the present invention are provided with protrusions or ridges on the fitting surface of the fitting joint member, so that the fitting joint member is resistant to the longitudinal force of the fitting joint member. There is an effect that the strength of the fitting joint portion structure can be improved.
【００４１】さらに、本発明の嵌合継手部構造を形成す
る雌型嵌合継手部材の外面に、補強用突条を設けること
により、嵌合継手部構造の引張強度向上を図ることがで
きるという効果がある。Furthermore, by providing a reinforcing ridge on the outer surface of the female fitting joint member forming the fitting joint structure of the present invention, the tensile strength of the fitting joint structure can be improved. effective.
【図１】請求項２の発明の嵌合継手部構造の一実施例を
示す概略断面図である。FIG. 1 is a schematic sectional view showing an embodiment of a fitting joint portion structure of the invention of claim 2 .
【図２】嵌合継手部材とモルタルの付着強度に及ぼす突
起もしくは突条の影響を説明するための説明図である。
図２は嵌合継手部材の断面を示している。FIG. 2 is an explanatory diagram for explaining the influence of a protrusion or a ridge on the adhesion strength between a fitting joint member and mortar.
FIG. 2 shows a cross section of the fitting joint member.
【図３】図１に示した実施例において突起付Ｔ型鋼１２
の表面、および突起付継手鋼管１１の管内に設ける突起
の配列方法の一実施例を示した概略平面図である。3 is a T-shaped steel 12 with protrusions in the embodiment shown in FIG.
FIG. 3 is a schematic plan view showing an example of a method of arranging the surface of the projection and the projections provided in the pipe of the jointed steel pipe 11 with projections.
【図４】請求項１の嵌合継手部材の一実施例を示した概
略斜視図である。FIG. 4 is a schematic perspective view showing an embodiment of the fitting joint member according to claim 1 .
【図５】本発明の嵌合継手部構造の別の実施例を示すた
めの鉛直方向に垂直な断面図である。FIG. 5 is a cross-sectional view perpendicular to the vertical direction for showing another embodiment of the fitting joint portion structure of the present invention.
【図６】嵌合継手部材に設ける突起の配列方法を補足説
明する概略平面図である。FIG. 6 is a schematic plan view supplementarily explaining a method of arranging the protrusions provided on the fitting joint member.
【図７】嵌合継手部材に設ける突起の配列方法を補足説
明する概略平面図である。FIG. 7 is a schematic plan view supplementarily explaining a method of arranging the protrusions provided on the fitting joint member.
【図８】嵌合継手部材に設ける突起の配列方法を補足説
明する概略平面図である。FIG. 8 is a schematic plan view supplementarily explaining a method of arranging the protrusions provided on the fitting joint member.
【図９】本発明の嵌合継手部材の利用方法の一例を示し
た図である。FIG. 9 is a diagram showing an example of how to use the fitting joint member of the present invention.
【図１０】従来の鋼管矢板式基礎における嵌合継手部構
造の概略上面図を示した図である。FIG. 10 is a view showing a schematic top view of a fitting joint portion structure in a conventional steel pipe sheet pile type foundation.
１１ 突起付継手鋼管 １１１ スリット部 １２ 突起付Ｔ型鋼 １２１ ステム部 ２０ 嵌合継手の嵌合面 ３０ 突起 ４０ モルタル ５０ 補強用突条 ６２ 箱型鋼矢板 ６２１ フランジ ６２２ ウェブ 11 Joint steel pipe with protrusion 111 slit 12 T-shaped steel with protrusions 121 Stem part 20 Mating surface of mating joint 30 protrusions 40 mortar 50 Reinforcing ridges 62 Box-type steel sheet pile 621 flange 622 Web
───────────────────────────────────────────────────── フロントページの続き (73)特許権者 000000549 株式会社大林組 大阪府大阪市中央区北浜東４番33号 (74)上記３名の代理人 100061273 弁理士 佐々木 宗治 （外３名） (72)発明者 林 正宏 東京都千代田区丸の内一丁目１番２号 日本鋼管株式会社内 (72)発明者 岡本 隆 東京都千代田区丸の内一丁目１番２号 日本鋼管株式会社内 (72)発明者 水谷 慎吾 東京都千代田区丸の内一丁目１番２号 日本鋼管株式会社内 (56)参考文献 実開 平２−50428（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) E02D 5/08 ─────────────────────────────────────────────────── ───Continued from the front page (73) Patent holder 000000549 Obayashi Corporation 4-33 Kitahamahigashi, Chuo-ku, Osaka-shi, Osaka (74) The above three agents 100061273 Patent attorney Muneharu Sasaki (external three) (72) Inventor Masahiro Hayashi 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Japan Steel Pipe Co., Ltd. (72) Inventor Takashi Okamoto 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Tokyo Steel Pipe Co., Ltd. (72) Inventor Mizutani Shingo Marunouchi 1-2-2 Marunouchi, Chiyoda-ku, Tokyo (56) Bibliographical references Kaikaihei 2-50428 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) E02D 5/08
Claims (2)
に鋼材に設けられる嵌合継手部材であって、継手部材 長手方向に対し角度を持ったチェッカー状、ま
たは十字状の複数個の突起もしくは突条が、嵌合面に設
けられる雄嵌合継手部材と、 隣接する鋼材の雄嵌合継手部材とともに 嵌合継手部構造
を形成するものであって、外周面上に補強用突条が設け
られる雌嵌合継手部材とを備えた嵌合継手部材。1. A fitting joint member provided on the steel in order to connect the steel horizontally adjacent, the joint member longitudinal relative angle with checkers shape, or a cross-shaped plurality of projections or Protrusions are provided on the mating surface
A fitting fitting part structure is formed with a male fitting fitting member to be rubbed off and a male fitting fitting member of an adjacent steel material, and a reinforcing ridge is provided on the outer peripheral surface.
Female fitting joint member provided with the fitting fitting member.
の嵌合継手部構造であって、継手部材 長手方向に対し角度を持ったチェッカー状、ま
たは十字状の複数個の突起もしくは突条が、嵌合面に設
けられる雄嵌合継手部材と、 隣接する鋼材の雄嵌合継手部材とともに 嵌合継手部構造
を形成するものであって、外周面上に補強用突条が設け
られる雌嵌合継手部材と、 嵌合部内に充填されたセメント系固化材とを備えた嵌合
継手部構造。2. A fitting joint structure for connecting the steel horizontally adjacent, the joint member longitudinal relative angle with checkers shape, or a cross-shaped plurality of projections or ridges are Installed on the mating surface
A fitting fitting part structure is formed with a male fitting fitting member to be rubbed off and a male fitting fitting member of an adjacent steel material, and a reinforcing ridge is provided on the outer peripheral surface.
Fitting joint portion structure including a female fitting joint member to be filled, and a cement-based solidifying material filled in the fitting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16692994A JP3368398B2 (en) | 1994-07-19 | 1994-07-19 | Fitting member and fitting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16692994A JP3368398B2 (en) | 1994-07-19 | 1994-07-19 | Fitting member and fitting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0827774A JPH0827774A (en) | 1996-01-30 |
| JP3368398B2 true JP3368398B2 (en) | 2003-01-20 |
Family
ID=15840282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16692994A Expired - Fee Related JP3368398B2 (en) | 1994-07-19 | 1994-07-19 | Fitting member and fitting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3368398B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781894B (en) * | 2009-12-23 | 2012-05-09 | 中铁大桥局集团第一工程有限公司 | Steel pipe pile locking notch structure and water-stopping method of steel pipe pile cofferdam |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4946957B2 (en) * | 2008-04-07 | 2012-06-06 | 住友金属工業株式会社 | Steel pipe sheet pile connection structure and steel pipe sheet pile |
| JP4916485B2 (en) * | 2008-06-05 | 2012-04-11 | 大成建設株式会社 | Steel pipe sheet pile joint structure, steel pipe sheet pile foundation and steel pipe sheet pile connection method |
| JP5284249B2 (en) * | 2009-11-30 | 2013-09-11 | 新日鐵住金株式会社 | Steel pipe sheet pile joint structure and steel pipe sheet pile foundation |
| JP6690118B2 (en) * | 2014-12-11 | 2020-04-28 | 日本製鉄株式会社 | Retaining wall |
| JP6567981B2 (en) * | 2016-01-27 | 2019-08-28 | 三井住友建設株式会社 | Steel pipe well pier and half precast concrete pier |
-
1994
- 1994-07-19 JP JP16692994A patent/JP3368398B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781894B (en) * | 2009-12-23 | 2012-05-09 | 中铁大桥局集团第一工程有限公司 | Steel pipe pile locking notch structure and water-stopping method of steel pipe pile cofferdam |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0827774A (en) | 1996-01-30 |
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