JPH09310341A - Watertight splice for concrete sheet pile, and joint member for splice - Google Patents
Watertight splice for concrete sheet pile, and joint member for spliceInfo
- Publication number
- JPH09310341A JPH09310341A JP12602196A JP12602196A JPH09310341A JP H09310341 A JPH09310341 A JP H09310341A JP 12602196 A JP12602196 A JP 12602196A JP 12602196 A JP12602196 A JP 12602196A JP H09310341 A JPH09310341 A JP H09310341A
- Authority
- JP
- Japan
- Prior art keywords
- sheet pile
- joint
- sheet piles
- concrete
- joint member
- 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.)
- Granted
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、護岸や土留め壁に
用いられるコンクリート矢板の隣接矢板との接合面に形
成するコンクリート矢板の水密継手及びこの水密継手を
形成するための継手目地材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a watertight joint of concrete sheet piles formed on a joint surface of a concrete sheet pile used for a revetment or earth retaining wall with an adjacent sheet pile and a joint joint material for forming the watertight joint.
【0002】[0002]
【従来の技術】従来から、土留め壁、河川や港湾の護
岸、築島、止水壁などの構築に、鋼矢板(シートパイ
ル)が用いられてきた。このシートパイルは、溶接によ
り容易に長尺のものが得られること、継手部分が噛み合
い構造となっているので相互にガイド機能があることな
どの長所を有するが、耐塩、耐酸性などの耐久性、耐腐
食性に難点があり、これらの観点から、コンクリート矢
板が普及してきている。2. Description of the Related Art Conventionally, steel sheet piles have been used to construct earth retaining walls, revetments for rivers and harbors, built islands, and water blocking walls. This sheet pile has the advantages that long lengths can be easily obtained by welding, and that the joints have a meshing structure, so they have mutual guide functions, but durability such as salt resistance and acid resistance. However, there is a drawback in corrosion resistance, and from these viewpoints, concrete sheet piles have become popular.
【0003】コンクリート矢板は、継手部の構造が平
形、溝形、波形、又は突合わせ凹凸嵌合で、矢板相互の
結合力が弱く、水密性を確保するために、種々工夫を必
要とする実情にあった。In concrete sheet piles, the joint structure is flat, grooved, corrugated, or abutting concavo-convex fitting, the joining force between the sheet piles is weak, and various measures are required to ensure watertightness. There was
【0004】[0004]
【発明が解決しようとする課題】コンクリート矢板は、
上述のように継手部の構造が、相互に係合する形状では
ないため、打ち込み精度により、継手目地が開く場合が
ある。打ち込まれた矢板が地盤上で目視可能な場合は、
打ち直しすればよいが、地盤面下に打ち込まれた矢板で
目視できない時は目地が開いている可能性もある。[Problems to be Solved by the Invention] Concrete sheet piles are
As described above, the structures of the joint portions are not in a shape that engages with each other, and therefore the joint joint may open depending on the driving precision. If the driven sheet pile is visible on the ground,
It may be struck again, but there is a possibility that the joint is open when the sheet pile that has been driven into the ground cannot be seen.
【0005】本発明は上記問題点を解決するために、新
規なコンクリート矢板の水密継手及びこれに用いる継手
目地材を提供することを目的とするものである。In order to solve the above problems, it is an object of the present invention to provide a novel watertight joint for concrete sheet pile and a joint joint material used therefor.
【0006】[0006]
【課題を解決するための手段】本発明は、上記問題点を
解決するためになされたもので、コンクリート矢板の隣
接矢板との接合端面に、長手方向に沿って横断面が鈎形
S字形の凹凸条をなし隣接矢板同士が互いに係合する同
形逆向きの係合部を目地材でそれぞれ形成したことを特
徴とするコンクリート矢板の水密継手である。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems and has a hooked S-shaped cross section along the lengthwise direction at the end face of a concrete sheet pile joined to an adjacent sheet pile. A watertight joint for a concrete sheet pile, characterized in that engaging portions of the same shape and in opposite directions, which have concave-convex strips and engage with each other, are formed of joint material.
【0007】この水密継手を形成するための継手目地材
として、横断面が鈎形のU字状の凹溝と、該凹溝の縁部
に形成され該凹溝の内部形状と同形断面で該凹溝と噛み
合う鈎状凸条と、背面側に突出しコンクリート中に埋設
される断面形状の複数条のアンカーとを備え、合成樹脂
押出し成形品であることを特徴とするコンクリート矢板
の継手目地材を提供する。As a joint joint material for forming this watertight joint, a U-shaped groove having a hook-shaped cross section and a groove having the same shape as the internal shape of the groove formed at the edge of the groove are used. A joint joint material for concrete sheet piles, characterized by being a synthetic resin extruded product, comprising a hook-shaped ridge that engages with the groove and a plurality of cross-section anchors that project to the back side and are embedded in concrete. provide.
【0008】鈎形S字形とは単なるS字状の波形の凹凸
ではなく、凸部の背面側にU字状の凹部が入り込んだS
字形を言う。この凹部と凸部が噛み合うと、隣接矢板同
士が結合し矢板同士の引き離し及びせん断に対して抵抗
する。また本発明の目地材は、高弾性樹脂の押出し成形
材とし、例えば高弾性塩化ビニールが好適である。The hook-shaped S-shape is not a simple S-shaped corrugated concavo-convex shape, but an S-shape in which a U-shaped concave portion is inserted on the back side of the convex portion.
Say the glyph. When the concave portion and the convex portion are engaged with each other, the adjacent sheet piles are coupled to each other and resist the separation and shearing of the sheet piles. Further, the joint material of the present invention is an extruded material of a highly elastic resin, and for example, highly elastic vinyl chloride is suitable.
【0009】[0009]
【発明の実施の形態】図4は、従来の水密PCコンクリ
ート矢板1a、1bの斜視図を示したもので、その接合
端面にはそれぞれ凹溝31a、31bと凸条32a、3
2bが形成されている。この凹溝と凸条には、図5に示
す目地材が用いられていた。図5は従来のコンクリート
矢板の目地構造を示すもので、図5(a)に示すよう
に、隣接する矢板1a、1bの接合端面にそれぞれ互い
に対向する凹溝31と凸条32とを設け、この凹溝31
中に弾性を有する目地材33の頭部が位置するように、
相手側の端面に目地材33の脚部を埋め込み、図5
(b)に示すように凹溝31中に目地材33が密実に接
触するようにし、水密目地を形成していた。図6は鋼矢
板41の断面を示すもので、鋼矢板41はその端部に隣
接矢板と係合するU字状の爪42を有し、この爪42が
互いに噛み合って矢板相互の連結と、打ち込みガイドの
役割を果たしていた。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 4 is a perspective view of a conventional watertight PC concrete sheet pile 1a, 1b, in which joint grooves have concave grooves 31a, 31b and convex ridges 32a, 3b, respectively.
2b is formed. The joint material shown in FIG. 5 was used for the groove and the ridge. FIG. 5 shows a joint structure of a conventional concrete sheet pile. As shown in FIG. 5 (a), a groove 31 and a ridge 32, which are opposed to each other, are provided on the joint end surfaces of the adjacent sheet piles 1a and 1b. This groove 31
In order for the head of the joint material 33 having elasticity to be located inside,
By embedding the leg portion of the joint material 33 in the end face of the other side,
As shown in (b), the joint material 33 was brought into solid contact with the concave groove 31 to form a watertight joint. FIG. 6 shows a cross section of the steel sheet pile 41. The steel sheet pile 41 has a U-shaped pawl 42 at its end that engages with an adjacent sheet pile, and the pawls 42 mesh with each other to connect the sheet piles together. It played the role of a driving guide.
【0010】本発明のコンクリート矢板の水密継手は、
この鋼矢板41の爪42と同様の作用を生じ、さらに優
れた効果を発揮するようにしようとするものである。図
1は本発明の実施例のコンクリート矢板の水密継手を示
す断面図である。コンクリート矢板1a、1bの接合端
面に、矢板の長手方向に沿って横断面が鈎形S字形の凹
凸条をなす係合部2a、2bが噛み合って水密継手を形
成している。図2は、図1の水密継手を形成する前の隣
接コンクリート矢板の接合端面を示している。一方の係
合部2aは突条3aと凹溝4aとが隣接して鈎形S字形
の断面を形成している。他方の係合部2bは突条3bと
凹溝4bとが隣接して鈎形S字形の断面を形成してい
る。そして両者の係合部2a、2bは逆向き同形であ
る。係合部2a、2bはそれぞれ矢板1a、1bのコン
クリート中にアンカー5a、5bを埋設している。図3
(a)(b)はそれぞれ、係合部2a、2bを形成する
目地材11a、11bの斜視図である。この目地材11
aの形状は、横断面が、鈎形のU字状の凹溝12aを備
え、この凹溝12aの縁部に鈎状突条13aを備え、背
面側に多数本のアンカー14aを備え、同一断面の長尺
のもので、合成樹脂の押出し成形品である。この凹溝1
2aの内部形状と突条13aとは同形断面である。そし
てこの凸条は相手方の凹溝と噛み合うものである。背面
側に突出したアンカー14aはコンクリート中に埋設さ
れる目地材をコンクリートと一体化する。The watertight joint of the concrete sheet pile of the present invention is
The same effect as that of the claw 42 of the steel sheet pile 41 is produced, and an even more excellent effect is exerted. FIG. 1 is a sectional view showing a watertight joint for a concrete sheet pile according to an embodiment of the present invention. Engaging portions 2a and 2b, which form a concavo-convex strip having a hook-shaped S-shaped cross section, mesh with the joint end surfaces of the concrete sheet piles 1a and 1b to form a watertight joint. FIG. 2 shows a joint end surface of an adjoining concrete sheet pile before forming the watertight joint of FIG. The protrusion 3a and the concave groove 4a of the one engaging portion 2a are adjacent to each other to form a hook-shaped S-shaped cross section. In the other engaging portion 2b, the protrusion 3b and the concave groove 4b are adjacent to each other to form a hook-shaped S-shaped cross section. The engaging portions 2a and 2b of the both have the same shape in the opposite direction. The engaging portions 2a and 2b have anchors 5a and 5b embedded in the concrete of the sheet piles 1a and 1b, respectively. FIG.
(A) (b) is a perspective view of joint material 11a, 11b which forms engaging part 2a, 2b, respectively. This joint material 11
The shape of a is provided with a U-shaped concave groove 12a having a hook-shaped cross section, a hook-shaped protrusion 13a at the edge of the concave groove 12a, and a large number of anchors 14a on the back side. It has a long cross section and is an extrusion molded product of synthetic resin. This groove 1
The internal shape of 2a and the ridge 13a have the same cross section. And this ridge engages with the groove of the other party. The anchor 14a protruding to the rear side integrates the joint material embedded in the concrete with the concrete.
【0011】目地材11bも目地材11aと全く同様
で、目地材11aを長手方向軸の回りに180度転回し
た形状である。つまり、横断面が、鈎形のU字状の凹溝
12b、鈎状突条13b、多数本のアンカー14bを備
えた同一断面の長尺の押出し成形の同一製品である。目
地材11a、11bは、互いに当接する端面に可撓性シ
ール片15a、15bを突出して備え、これが相手側に
当接する位置にはそれぞれシール面16a、16bを形
成している。図1から分かるように、矢板1a,1bが
隣接施工されたとき、当接面を互いにシールし水密性を
確保する。The joint material 11b is exactly the same as the joint material 11a and has a shape obtained by rotating the joint material 11a by 180 degrees around the longitudinal axis. That is, it is the same product of long extrusion molding having the same cross-section, which is provided with a U-shaped concave groove 12b having a hook shape, a hook-shaped protrusion 13b, and a plurality of anchors 14b. The joint materials 11a and 11b are provided with projecting flexible sealing pieces 15a and 15b on their end surfaces that come into contact with each other, and seal surfaces 16a and 16b are formed at the positions where they are brought into contact with the mating side. As can be seen from FIG. 1, when the sheet piles 1a and 1b are installed adjacent to each other, the contact surfaces are sealed with each other to ensure watertightness.
【0012】[0012]
【発明の効果】本発明によれば、従来鋼矢板でしか得ら
れなかった矢板相互の結合力が得られ、かつほぼ完全な
水密性を実現することができ、また、相互に噛み合う継
手部分がガイドとなり、正確な矢板打ち込み施工が可能
となった。According to the present invention, it is possible to obtain a coupling force between sheet piles, which has been conventionally obtained only with steel sheet piles, and to realize almost perfect water-tightness. It became a guide and it became possible to drive the sheet pile accurately.
【図1】実施例のコンクリート矢板の水密継手を示す断
面図である。FIG. 1 is a sectional view showing a watertight joint of a concrete sheet pile according to an embodiment.
【図2】実施例のコンクリート矢板の水密継手を示す断
面図である。FIG. 2 is a cross-sectional view showing a watertight joint of a concrete sheet pile according to an embodiment.
【図3】実施例のコンクリート矢板の目地材を示す斜視
図である。FIG. 3 is a perspective view showing a joint material of the concrete sheet pile of the embodiment.
【図4】コンクリート矢板の斜視図である。FIG. 4 is a perspective view of a concrete sheet pile.
【図5】従来の水密継手の説明図である。FIG. 5 is an explanatory view of a conventional watertight joint.
【図6】鋼矢板のプロフィル図である。FIG. 6 is a profile diagram of a steel sheet pile.
1a、1b 矢板 2a、2b 係合部 3a、3b 凸条 4a、4b 凹溝 5a、5b アンカー 11a、11b 目地材 12a、12b 凹溝 13a、13b 凸条 14a、14b アンカー 15a、15b シール片 16a、16b シール面 31、31a、31b 凹溝 32、32a、32b 凸条 33 目地材 41 鋼矢板 42 爪 1a, 1b Sheet pile 2a, 2b Engagement part 3a, 3b Convex strip 4a, 4b Recessed groove 5a, 5b Anchor 11a, 11b Joint material 12a, 12b Recessed groove 13a, 13b Convex strip 14a, 14b Anchor 15a, 15b Sealing piece 16a, 16b Sealing surface 31, 31a, 31b Recessed groove 32, 32a, 32b Convex strip 33 Joint material 41 Steel sheet pile 42 Claw
Claims (2)
面に、長手方向に沿って横断面が鈎形S字形の凹凸条を
なし隣接矢板同士が互いに係合する同形逆向きの係合部
を目地材でそれぞれ形成したことを特徴とするコンクリ
ート矢板の水密継手。1. A concrete sheet pile is provided with a concavo-convex strip having an S-shaped cross section in the longitudinal direction on a joint end surface with an adjacent sheet pile, and joint portions of the same shape and opposite direction where adjacent sheet piles are engaged with each other are jointed. Watertight joints for concrete sheet piles, each of which is made of wood.
の縁部に形成され該凹溝の内部形状と同形断面で該凹溝
と噛み合う鈎状凸条と、背面側に突出しコンクリート中
に埋設される断面形状の複数条のアンカーとを備え、合
成樹脂押出し成形品であることを特徴とするコンクリー
ト矢板の継手目地材。2. A U-shaped concave groove having a hook-shaped cross section, a hook-shaped convex line formed at an edge of the concave groove and having a cross-section having the same shape as the internal shape of the concave groove and meshing with the concave groove, and a back surface. A joint joint material for a concrete sheet pile, which is a synthetic resin extruded product and is provided with a plurality of cross-sectioned anchors protruding to the side and embedded in concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12602196A JP3487530B2 (en) | 1996-05-21 | 1996-05-21 | Watertight joints and joint joints for concrete sheet piles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12602196A JP3487530B2 (en) | 1996-05-21 | 1996-05-21 | Watertight joints and joint joints for concrete sheet piles |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09310341A true JPH09310341A (en) | 1997-12-02 |
JP3487530B2 JP3487530B2 (en) | 2004-01-19 |
Family
ID=14924756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12602196A Expired - Fee Related JP3487530B2 (en) | 1996-05-21 | 1996-05-21 | Watertight joints and joint joints for concrete sheet piles |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3487530B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103938614A (en) * | 2014-05-05 | 2014-07-23 | 张武 | Strengthening type prestressed concrete corrugated plate pile |
CN106498931A (en) * | 2016-11-03 | 2017-03-15 | 河海大学 | A kind of oblique V-type reinforced concrete sheet pile |
CN114657976A (en) * | 2022-04-19 | 2022-06-24 | 北京首钢建设集团有限公司 | Prestressed steel pipe concrete pile and construction process thereof |
-
1996
- 1996-05-21 JP JP12602196A patent/JP3487530B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103938614A (en) * | 2014-05-05 | 2014-07-23 | 张武 | Strengthening type prestressed concrete corrugated plate pile |
CN106498931A (en) * | 2016-11-03 | 2017-03-15 | 河海大学 | A kind of oblique V-type reinforced concrete sheet pile |
CN114657976A (en) * | 2022-04-19 | 2022-06-24 | 北京首钢建设集团有限公司 | Prestressed steel pipe concrete pile and construction process thereof |
CN114657976B (en) * | 2022-04-19 | 2024-01-05 | 北京首钢建设集团有限公司 | Prestressed concrete-filled steel tube pile and construction process thereof |
Also Published As
Publication number | Publication date |
---|---|
JP3487530B2 (en) | 2004-01-19 |
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