JP3544957B2 - Assembling seawall structure - Google Patents

Assembling seawall structure Download PDF

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Publication number
JP3544957B2
JP3544957B2 JP2001192639A JP2001192639A JP3544957B2 JP 3544957 B2 JP3544957 B2 JP 3544957B2 JP 2001192639 A JP2001192639 A JP 2001192639A JP 2001192639 A JP2001192639 A JP 2001192639A JP 3544957 B2 JP3544957 B2 JP 3544957B2
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wall
front wall
partition
walls
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JP2002302924A (en
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元 會 梁
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梁 元會
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/205Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Revetment (AREA)
  • Retaining Walls (AREA)

Description

【0001】
【産業上の利用分野】
本発明は、護岸の構築構造体に関し、特に海岸の保護、又は後面敷地を造成する為、又は海岸の土砂崩壊及び流失を防止する為の施設物である組立式護岸構造体に関するものである。
【0002】
【従来の技術】
従来、上記した海岸の土砂崩壊及び流失を防止等の為の施設物として、捨石を利用した石築式護岸や、大型コンクリート成型ブロックで均一に積置した護岸等が、数多く構築されてきた。
【0003】
【発明が解決しようとする課題】
しかしながら、上記したように従来の石築式護岸では、波浪がひどい地域の場合、構造自体が不安定で護岸としての安定性に劣り、護岸の崩壊及び流失といった脆弱点があるとともに、護岸周辺の景観と調和するための水に親しむ空間(親水空間)としての考慮が全くなかった。
【0004】
また、大型コンクリート成型ブロック(block)で構築した護岸では、構築する時に多量の大型コンクリート成型ブロックを設置するが、その時、後面の土圧によって大型コンクリート成型ブロックが崩壊される恐れがあるのが実情であった。
【0005】
本発明は、上記のような点に鑑みて開発されたものであり、その目的とするところは、石築式護岸や大型コンクリート成型ブロックによる護岸の欠点を解決し、より単純明瞭な構造でありながら力学的に安定した充分な設計強度を有し、護岸後面の土圧に充分に耐え、波浪の回折及び波圧を減少できるようにすると共に親水空間としての役割まで兼備できる組立式護岸構造体を提供することにある。
【0006】
【課題を解決するための手段】
本発明は上記の目的を有効に達成するために、次のような構成にしてある。すなわち、請求項1に記載の本発明の組立式護岸構造体は、コンクリート成型ブロックを積置してなる組立式護岸 (1) において、捨石 (2) を平面的に布設して基礎壇 (3) を形成し、この基礎壇 (3) の上面に下端壁 (4) が設けられ、その一側端には下端壁 (4) より高くて、傾斜度を有する止め顎 (4e) が突出されるように形成し、この下端壁 (4) のおよそ中央部には隔壁 (4a) を垂直に立てられ、上記の隔壁 (4a) の反海水方向には外側面が傾斜度を有する後面部壁 (4b) を連設し、この隔壁 (4a) の前方にはこの隔壁 (4a) から相互一定な距離をおいて一側面に同一角度の傾斜度を有し、旦つ隔壁 (4a) より少し小さい高さの前面部壁 (4c)(4d) が各々連設されて留水池 (15) を形成されるようにし、この前面部壁 (4c)(4d) の上端は前面壁体 (W) を支持するブロック (11) がコンクリート現場打設で作られるようにし、その一側方に前面壁体 (W) が波浪からの衝撃などの外力を吸収し最小化する為に、その一側方に同じ高さの伸縮ゴム板 (12) が連設できるようにし、前面部壁 (4c)(4d) と一定な距離だけに離隔して前面部壁 (4c)(4d) と同じ傾斜度を有する前面壁体 (W) を構成し、この前面壁体 (W) の外海側壁体〈 8 〉には水平方向に多数段の水平凹面部 (6) と凸面部 (5) が形成されるようにし、各凹面部 (6) には多数個の一定な直径の海水通水孔 (7) を穿設して一定な距離をおき、左右側に凸面部 (5) と同じ高さの左右側壁 (9)(10) を形成し、このように構成された前面壁体 (W) は上記支持ブロック (13) の上端におかれるようになり、前両壁体 (W) と止め顎 (4e) の間に固定ブロック (14) を据置して、前面壁体 (W) の上端一側面が伸縮ゴム板 (12) に付着されるようにし、最上端部にカバーコンクリート (16) を据置固定してなる構成である。
【0007】
【0008】
【発明の実施の形態】
以下、本発明の実施の形態を添付の図に基づいて説明する。図1は本発明で実施される組立式護岸構造体を示す一部断面の説明図であり、図2は本発明で実施される組立式護岸構造体の横断面図である。
【0009】
上記の図に示すように、(1)は本発明の実施の形態の一例である組立式護岸構造体であって、この組立式護岸構造体(1)は、沿岸等の所望の箇所に構築する基礎壇(3)と、この基礎壇(3)に立設する支持体(17)と、この支持体(17)に所定間隔を以って弾性材(12)を介し傾斜させて支持させる前面壁体(W)と、支持体(17)と前面壁体(W)との間に形成される空間である留水池(水を留める空間部)(15)と、支持体(17)と留水池(15)及び前面壁体(W)の上部を覆うカバー(16)とを少なくとも備えている。
【0010】
図示の組立式護岸構造体1は、多数の捨石(2)によって形成した基礎壇(3)と、この基礎壇(3)の上に設けた下端壁(4)と、下端壁(4)の一側端部に設けた止め顎(4e)と、下端壁(4)の前後方向の略中央部又は中央部に設けた隔壁(4a)と、隔壁(4a)の後側に隔壁(4a)を支持するように設けた後面部壁(4b)と、上記止め顎(4e)側である前面を傾斜させて裾広がりに形成するとともに隔壁(4a)より低く形成し、上記隔壁(4a)の前側に隔壁(4a)の長手方向に所定間隔を以って設けた前面部壁(4c)(4d)と、外面側に水平凹面部(6)と水平凸面部(5)とを交互に連続して有するとともに各水平凹面部(6)に複数の通水孔(7)を有し、上記前面部壁(4c)(4d)と一定距離を隔てて前面部壁(4c)(4d)の傾斜面に沿って設けた前面壁体(W)と、前面部壁(4c)(4d)の上端に設けて前面壁体(W)を支持するブロック(11)と、前面壁体(W)とブロック(11)との間に設けた波浪による衝撃等の外力を吸収する伸縮ゴム板基礎壇(3)と、前面壁体(W)と隔壁(4a)との間の空間に設けた留水池(15)と、前面壁体(W)の両側に設けた側壁(9)(10)と、上記前面壁体(W) とブロック(11)と隔壁(4a)及び後面部壁(4b)の各上端を覆うカバーコンクリート(11)とを少なくとも備えた構成からなる。
【0011】
より具体的に図示の組立式護岸構造体を詳述すると、先ず構築する箇所に多数の捨石(2)を一定範囲内の厚みで上面を平面的になるように設けて基礎壇(3)を形成する。この基礎壇(3)の上面には下端壁(4)を設ける。下端壁(4)の一側端部には、下端壁(4)より少し高くて海側の面を傾斜させた止め顎(ストッパー)(4e)が上方に突出するようにして設けてある。止め顎(4e)の海側と反対の面は下端壁(4)から垂直に形成されている。また、止め顎(4e)の上面は平らに形成してある。
【0012】
下端壁(4)の前後方向(海側と反海側の方向)のおよそ中央部には、止め顎(4e)と平行に隔壁(4a)が垂直に設けてある。隔壁(4a)の反海側である後側には、外側面(反海側)を海側に適宜の傾斜角度(例えば65°等)で傾斜形成した後面部壁(4b)が設けてある。後面部壁(4b)は隔壁(4a)を支持する。
【0013】
上記の下端壁(4)と止め顎(4e)と隔壁(4a) 及び後面部壁(4b)は、コンクリート等によって一体的に形成されている。なお、これらをそれぞれ別体として形成し、支持体(17)としてそれぞれを強固に連結してもよい。
【0014】
上記隔壁(4a)の前側(海側)には、止め顎(4e)側である前面を傾斜させて裾広がりに形成するとともに隔壁(4a)より少し低く形成した前面部壁(4c)(4d)が、隔壁(4a)の前側(海側)に隔壁(4a)の長手方向に所定間隔を以って設けてある。
【0015】
この前面部壁(4c)(4d)の上端には、後述する前面壁体(W)を支持するブロック(11)がコンクリート現場打設で作られる。ブロック(11)の一側方である海側には、伸縮ゴム板(12)が連設され、波浪からの衝撃などの外力を吸収して最小化する。
【0016】
前面壁体(W)は、伸縮ゴム板(12)を介して上記ブロック(11)で支持される。この前面壁体(W)は、前面部壁(4c)(4d)と同じ傾斜度を有し、外海側壁(8)の面には水平方向に多数段の水平凹面部(6)と凸面部(5)が形成され、各凹面部(6)には多数個の一定な直径の海水通水孔(7)が穿設されていて、さらに一定距離をおき左右側に凸面部(5)と同じ高さの左右側壁(9)(10)が形成される。
【0017】
このように構成された前面壁体(W)は、止め顎(4e)側の下端壁(4)の上に設けた上面平坦な支持ブロック(13)の上に置かれる。前面壁体(W)と止め顎(4e)の間には、固定ブロック(14)を据置して前面壁体(W)が滑るのを防止するようにする。
【0018】
前面壁体(W)の上端の一側面が伸縮ゴム板(12)に附着されるようにし、最上端部にカバーコンクリート(16)を据置固定して前面壁体(W) とブロック(11)と隔壁(4a)及び後面部壁(4b)の各上端を覆う。そして隔壁(4a)と後面部壁(4b)の間は、捨石(2)を充填して陸地と連結する。
【0019】
上述のような構成からなる本発明の組立式護岸構造体1は、図示のように海岸線に沿って構築することにより、外海側Sから寄せる波浪は、前面壁体(W)の水平で多数段に連続形成されてある凹面部(6)と凸面部(5)にぶつかって反射、回折されて波力を弱化させると同時に、各凹面部(6)に穿設された多数個の海水通水孔(7)を通じて、一部の波浪が留水池(15)に進入しながら波力を消尽させ、更にこの時発生する衝撃を伸縮ゴム板(12)によって吸収することにより、前面壁体(W)の破損を最大限に防ぐことができる。
【0020】
また、前面壁体(W)は、後方の隔壁(4a)及び前面部壁(4b)(4c)(4d)から分離されているので、周辺環境と外海からくる波浪の規模によって自由に海側の凹凸模様を図示以外の凹凸模様に変更して選択することができ、消波機能ばかりでなく見る人に美感を感じさせることができる。さらに前面壁体(W)は、水に親しむ空間としての効果も得ることができ、また、後側に消波の役割をする前面壁体(W)とは別途に隔壁(4a)と各前面部壁(4c)(4d)、 前面部壁(4b)で壁体を構成しているので、土圧から組立式護岸構造体1を保護することが可能であり、堅固で安定性のある護岸を提供できるようになる。
【0021】
なお、支持体(17)は、前面壁体(W)との間に留水池(15)を形成できるようにして上記前面壁体(W)を支持できれば、図示の例に限らず如何なる形状、構造のものであってもよい。また、弾性材(12)は波浪等によって前面壁体(W)に受ける外力による圧力を減少できればゴム材に限らず他の材質の部材であってもよい。
【0022】
【発明の効果】
上記した説明でも明らかなように本発明の組立式護岸構造体では、外海の沿岸等の所望の箇所に構築することにより、外海から打ち寄せる波浪は前面壁体の凹面部及び凸面部にぶつかれて反射、回折されて波力を弱化させるとともに、凹面部の通水孔から波浪の一部が留水池に進入して波力を消尽させ、更に弾性材によって波浪による衝撃も吸収されるため前面壁体の破損を防止できる。
【0023】
また、単純明瞭な構造でありながら力学的に安定した充分な設計強度を有し、護岸後面の土圧に充分に耐えうる。
【0024】
また、前面壁体は隔壁と前面部壁及び後面部壁から分離されているので、前面壁体周辺環境と外海から来る波浪の規模によって、凹面部と凸面部及び通水孔を形成した他の外面形状の前面壁体を自由に選択して構築することにより、消波機能ばかりでなく見る人に美感を感じさせることができると共に親水空間としての効果も得ることができ、この親水空間としての役割まで兼備できる。
【0025】
【図面の簡単な説明】
【図1】本発明で実施される組立式護岸構造体を示す一部断面の説明図である。
【図2】本発明で実施される組立式護岸構造体の横断面図である。
【符号の説明】
W 前面壁体
1 組立式護岸構造体
2 捨石
3 基礎壇
4 下端壁
4a 隔壁
4b 後面部壁
4c,4d 前面部壁
4e 止め顎
5 凸面部
6 凹面部
7 通水孔
8 外海側壁
9,10 左右側壁
11 ブロック(b1ock)
12 伸縮ゴム板
13 支持ブロック
14 固定ブロック
15 留水池
16 カバーコンクリート
17 支持体
[0001]
[Industrial applications]
TECHNICAL FIELD The present invention relates to a seawall construction structure, and more particularly to a prefabricated seawall structure that is a facility for protecting a seashore or building a rear site, or for preventing seashore sediment collapse and runoff.
[0002]
[Prior art]
Conventionally, as a facility for preventing the above-mentioned landslides and erosion on the coast, there have been constructed many stone revetments using rubble, and revetments uniformly stacked with large concrete molding blocks.
[0003]
[Problems to be solved by the invention]
However, as described above, in the case of the traditional stone-built revetment, in areas with severe waves, the structure itself is unstable and the stability as a revetment is inferior, and there are vulnerabilities such as collapse and loss of the revetment, as well as around the revetment. There was no consideration as a water-friendly space (hydrophilic space) to harmonize with the landscape.
[0004]
In addition, a large number of large concrete molding blocks are installed on the revetment constructed with large concrete molding blocks (blocks), but at that time, there is a possibility that the large concrete molding blocks may be collapsed by earth pressure on the back side. Met.
[0005]
The present invention has been developed in view of the above points, and aims at solving the shortcomings of the revetment by a stone type revetment or a large concrete molding block, and has a simpler and clearer structure. Prefabricated revetment structure that has sufficient design strength that is mechanically stable while being able to withstand the earth pressure behind the revetment, reduce wave diffraction and wave pressure, and also have a role as a hydrophilic space. Is to provide.
[0006]
[Means for Solving the Problems]
The present invention has the following configuration in order to effectively achieve the above object. That is, in the prefabricated revetment structure of the present invention according to claim 1, in a prefabricated revetment (1) in which concrete molding blocks are stacked , rubble (2) is laid in a plane to form a foundation (3). ) Is formed , a lower end wall (4) is provided on the upper surface of the foundation platform (3) , and a stopper jaw (4e) that is higher than the lower end wall (4) and has a slope protrudes at one end. A partition wall (4a) is vertically set approximately at the center of the lower end wall (4) , and the rear wall has an outer surface inclined in the seawater direction of the partition wall (4a). (4b) provided continuously to have a slope of the same angle in front of the partition wall (4a) on one side at a mutual constant distance of the partition wall (4a), slightly above Dantsu partition wall (4a) The front walls (4c) and (4d) having a small height are respectively connected to form a retaining reservoir (15), and the upper ends of the front walls (4c) and (4d) have front walls (W). work in the block (11) is concrete site strokes set to support the The front wall (W) absorbs external forces such as shocks from waves and minimizes external forces on one side, so that an elastic rubber plate (12) with the same height is connected on one side. can be as to constitute a front wall (4c) (4d) and constant distance in spaced apart front wall (4c) front wall having the same inclination as the (4d) (W), the front wall The outer seaside body < 8 > of the body (W) has a large number of horizontal concave portions (6) and convex portions (5) formed in the horizontal direction, and each concave portion (6) has a large number of fixed portions. Place a constant distance such sea water flow holes (7) in diameter was drilled to form the left and right side walls of the same height as the convex portion (5) to the left and right side (9) (10), constructed as described above The front wall (W) that has been placed on the upper end of the support block (13) , and fixed block (14) is placed between the front both walls (W) and the stopper jaw (4e) , One side of the upper end of the front wall (W) is attached to the elastic rubber plate (12) , and the top end is covered. This is a configuration in which the concrete (16) is stationary.
[0007]
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is an explanatory view of a partial cross section showing a prefabricated seawall structure implemented in the present invention, and FIG. 2 is a cross-sectional view of the prefabricated seawall structure implemented in the present invention.
[0009]
As shown in the above figures, (1) is a prefabricated seawall structure as an example of an embodiment of the present invention, and this prefabricated seawall structure (1) is constructed at a desired location such as a coast. Base (3), a support (17) erected on the base (3), and the support (17) is tilted and supported at predetermined intervals via an elastic material (12). A front wall (W), a reservoir (a space for retaining water) (15) which is a space formed between the support (17) and the front wall (W), and a support (17). At least a reservoir (15) and a cover (16) for covering the upper part of the front wall (W) are provided.
[0010]
The prefabricated revetment structure 1 shown in the figure has a foundation platform (3) formed by a large number of rubbles (2), a lower end wall (4) provided on the foundation platform (3), and a lower end wall (4). Stopper jaws (4e) provided at one end, a partition (4a) provided at a substantially central portion or a central portion of the lower end wall (4) in the front-rear direction, and a partition (4a) behind the partition (4a). The rear wall (4b) provided so as to support the front surface, which is the side of the locking jaw (4e), is inclined to form a wider skirt and is formed lower than the partition (4a), and the partition (4a) Front walls (4c) and (4d) provided at predetermined intervals in the longitudinal direction of the partition wall (4a) on the front side, and horizontal concave portions (6) and horizontal convex portions (5) alternately and continuously formed on the outer surface side. Each horizontal concave surface (6) has a plurality of water holes (7), and the front wall (4c) (4d) is separated from the front wall (4c) (4d) by a certain distance. A front wall (W) provided along the inclined surface and a block (11) provided at the upper end of the front wall (4c) (4d) to support the front wall (W) The elastic rubber base plate (3), which is provided between the front wall (W) and the block (11) and absorbs external force such as shock due to waves, and the front wall (W) and the partition (4a) Reservoir (15) provided in the space between them, side walls (9) (10) provided on both sides of the front wall (W), the front wall (W), block (11), and partition (4a) And a cover concrete (11) for covering each upper end of the rear wall (4b).
[0011]
More specifically, the prefabricated seawall structure shown in the drawing is described in detail.First, a large number of rubbles (2) are provided at a location to be constructed so that the upper surface becomes planar with a certain thickness, and the foundation platform (3) is provided. Form. A lower end wall (4) is provided on the upper surface of the foundation platform (3). At one end of the lower end wall (4), a stopper jaw (stopper) (4e), which is slightly higher than the lower end wall (4) and is inclined at the sea side, is provided so as to protrude upward. The surface opposite to the sea side of the stopper jaw (4e) is formed vertically from the lower end wall (4). The upper surface of the stopper jaw (4e) is formed flat.
[0012]
A partition wall (4a) is provided vertically at approximately the center of the lower end wall (4) in the front-rear direction (the direction toward the sea and the side opposite the sea) in parallel with the stopper jaw (4e). A rear wall (4b) is formed on the rear side of the partition wall (4a), which is opposite to the sea side, with the outer surface (opposite sea side) inclined toward the sea side at an appropriate inclination angle (for example, 65 ° or the like). . The rear wall (4b) supports the partition (4a).
[0013]
The lower end wall (4), the stopper jaw (4e), the partition (4a), and the rear wall (4b) are integrally formed of concrete or the like. In addition, these may be formed as separate bodies, respectively, and each may be firmly connected as the support (17).
[0014]
On the front side (sea side) of the partition wall (4a), the front side which is the stop jaw (4e) side is inclined to form a wider skirt and a front part wall (4c) (4d) formed slightly lower than the partition wall (4a) ) Are provided on the front side (sea side) of the partition wall (4a) at predetermined intervals in the longitudinal direction of the partition wall (4a).
[0015]
At the upper ends of the front wall portions (4c) and (4d), a block (11) for supporting a front wall body (W), which will be described later, is formed by casting in concrete. An elastic rubber plate (12) is continuously provided on the sea side which is one side of the block (11), and absorbs and minimizes an external force such as an impact from a wave.
[0016]
The front wall (W) is supported by the block (11) via an elastic rubber plate (12). This front wall (W) has the same inclination as the front walls (4c) and (4d), and the surface of the open sea side wall (8) has a multi-level horizontal concave surface (6) and a convex surface in the horizontal direction. (5) is formed, and a plurality of seawater passage holes (7) having a constant diameter are formed in each concave surface (6), and furthermore, a constant distance and a convex surface (5) are provided on the left and right sides. Left and right side walls (9) and (10) having the same height are formed.
[0017]
The front wall body (W) thus configured is placed on a flat upper support block (13) provided on the lower end wall (4) on the stopper jaw (4e) side. A fixed block (14) is placed between the front wall (W) and the retaining jaw (4e) to prevent the front wall (W) from slipping.
[0018]
One side of the upper end of the front wall (W) is attached to the elastic rubber plate (12), and the cover concrete (16) is fixed at the top end, and the front wall (W) and the block (11) are fixed. And the upper ends of the partition (4a) and the rear wall (4b). The space between the partition wall (4a) and the rear wall (4b) is filled with rubble (2) and connected to land.
[0019]
The prefabricated seawall structure 1 of the present invention having the above-described structure is constructed along the shoreline as shown in the figure, so that waves approaching from the open sea side S can be separated from the front wall (W) by a large number of horizontal steps. At the same time, it hits the concave part (6) and the convex part (5), which are continuously formed, and is reflected and diffracted to weaken the wave power, and at the same time, a large number of seawater flowing through each concave part (6) Through the hole (7), some waves enter the reservoir (15) to extinguish the wave force, and the shock generated at this time is absorbed by the elastic rubber plate (12), so that the front wall (W ) Can be prevented to the maximum.
[0020]
In addition, the front wall (W) is separated from the rear partition (4a) and the front wall (4b) (4c) (4d), so it can be freely located on the sea side depending on the surrounding environment and the scale of waves coming from the open sea. Can be changed and selected as an uneven pattern other than that shown in the figure, and not only the wave breaking function but also the viewer can feel beautiful. In addition, the front wall (W) can also obtain an effect as a space close to water, and the partition (4a) and each front face separately from the front wall (W) which plays a role of wave extinction on the rear side. Since the walls are composed of the outer walls (4c) and (4d) and the front wall (4b), it is possible to protect the assembled revetment structure 1 from earth pressure, and a solid and stable revetment. Can be provided.
[0021]
Note that the support (17) is not limited to the example shown in the drawings, and can have any shape as long as the support can support the front wall (W) so that the reservoir basin (15) can be formed between the support and the front wall (W). It may have a structure. Further, the elastic material (12) is not limited to the rubber material, and may be a member of another material as long as it can reduce the pressure due to the external force applied to the front wall (W) due to waves or the like.
[0022]
【The invention's effect】
As is apparent from the above description, in the prefabricated seawall structure of the present invention, by building at a desired location such as the shore of the open sea, waves hitting from the open sea hit the concave and convex portions of the front wall and are reflected. In addition to being diffracted and weakening the wave force, a part of the wave enters the reservoir through the water hole in the concave part to dissipate the wave force, and the elastic material absorbs the shock due to the wave, so the front wall body Can be prevented from being damaged.
[0023]
In addition, despite having a simple and clear structure, it has mechanically stable and sufficient design strength, and can sufficiently withstand the earth pressure behind the revetment.
[0024]
Also, since the front wall is separated from the partition wall, the front wall and the rear wall, depending on the surrounding environment of the front wall and the scale of the waves coming from the open sea, other concave and convex portions and water passage holes may be formed. By freely selecting and constructing the front wall of the outer shape, not only the wave-absorbing function but also the aesthetic feeling can be given to the viewer, and the effect as a hydrophilic space can be obtained. You can also have a role.
[0025]
[Brief description of the drawings]
FIG. 1 is an explanatory view of a partial cross section showing a prefabricated seawall structure implemented in the present invention.
FIG. 2 is a cross-sectional view of a prefabricated seawall structure implemented in the present invention.
[Explanation of symbols]
W Front wall 1 Prefabricated revetment structure 2 Ripped stone 3 Base 4 Lower wall 4a Partition wall 4b Rear wall 4c, 4d Front wall 4e Stopper jaw 5 Convex part 6 Concave part 7 Water hole 8 Open sea side wall 9, 10 Left and right Side wall 11 block (b1ock)
12 Elastic rubber plate 13 Support block 14 Fixed block 15 Reservoir 16 Cover concrete 17 Support

Claims (1)

コンクリート成型ブロックを積置してなる組立式護岸 (1) において、捨石 (2) を平面的に布設して基礎壇 (3) を形成し、この基礎壇 (3) の上面に下端壁 (4) が設けられ、その一側端には下端壁 (4) より高くて、傾斜度を有する止め顎 (4e) が突出されるように形成し、この下端壁 (4) のおよそ中央部には隔壁 (4a) を垂直に立てられ、上記の隔壁 (4a) の反海水方向には外側面が傾斜度を有する後面部壁 (4b) を連設し、この隔壁 (4a) の前方にはこの隔壁 (4a) から相互一定な距離をおいて一側面に同一角度の傾斜度を有し、旦つ隔壁 (4a) より少し小さい高さの前面部壁 (4c)(4d) が各々連設されて留水池 (15) を形成されるようにし、この前面部壁 (4c)(4d) の上端は前面壁体 (W) を支持するブロック (11) がコンクリート現場打設で作られるようにし、その一側方に前面壁体 (W) が波浪からの衝撃などの外力を吸収し最小化する為に、その一側方に同じ高さの伸縮ゴム板 (12) が連設できるようにし、前面部壁 (4c)(4d) と一定な距離だけに離隔して前面部壁 (4c)(4d) と同じ傾斜度を有する前面壁体 (W) を構成し、この前面壁体 (W) の外海側壁体〈 8 〉には水平方向に多数段の水平凹面部 (6) と凸面部 (5) が形成されるようにし、各凹面部 (6) には多数個の一定な直径の海水通水孔 (7) を穿設して一定な距離をおき、左右側に凸面部 (5) と同じ高さの左右側壁 (9)(10) を形成し、このように構成された前面壁体 (W) は上記支持ブロック (13) の上端におかれるようになり、前両壁体 (W) と止め顎 (4e) の間に固定ブロック (14) を据置して、前面壁体 (W) の上端一側面が伸縮ゴム板 (12) に付着されるようにし、最上端部にカバーコンクリート (16) を据置固定してなる組立式護岸構造体。 In a prefabricated revetment (1) with concrete molding blocks stacked , rubble (2) is laid in a plane to form a foundation platform (3) , and a lower end wall (4 ) is formed on the upper surface of the foundation platform (3). ) Is provided, and at one end thereof , a stopper jaw (4e), which is higher than the lower end wall (4) and has an inclination, is formed so as to protrude , and approximately at the center of the lower end wall (4). The partition wall (4a) is set up vertically, and a rear wall (4b) having an outer surface inclined in the anti-seawater direction of the partition wall (4a ) is continuously provided, and this partition wall (4a) is provided in front of the partition wall (4a). The front walls (4c) and (4d) each having a constant distance from the bulkhead (4a) and having the same angle of inclination on one side and having a slightly smaller height than the bulkhead (4a ) are respectively provided. So that a reservoir (15) is formed, and the upper end of the front wall (4c) (4d) is made such that a block (11) supporting the front wall (W) is made by casting in place of concrete, On one side, the front wall (W) is the impact from waves In order to absorb and minimize external forces such as the above, an elastic rubber plate (12) of the same height can be connected to one side of it, and it is separated from the front wall (4c) (4d) by a certain distance. To form a front wall (W) having the same inclination as the front walls (4c) and (4d), and the open sea side wall < 8 > of the front wall (W) has a large number of horizontal stages. A concave portion (6) and a convex portion (5) are formed, and a number of seawater holes (7) having a constant diameter are formed in each concave portion (6) at a fixed distance. The left and right side walls (9) and (10) having the same height as the convex portion (5) are formed on the left and right sides, and the front wall body (W) thus configured is placed on the upper end of the support block (13). The fixed block (14) is placed between the front walls (W) and the retaining jaws (4e) , and one side of the upper end of the front wall (W ) is attached to the elastic rubber plate (12). A prefabricated seawall structure in which the cover concrete (16) is fixed at the top end .
JP2001192639A 2000-10-25 2001-06-26 Assembling seawall structure Expired - Fee Related JP3544957B2 (en)

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KR10-2000-0062814A KR100374184B1 (en) 2000-10-25 2000-10-25 The structure of the prefabricated seawall

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KR100642425B1 (en) * 2004-07-09 2006-11-03 (유) 이도건설 Hydrophilic structure
JP4703579B2 (en) * 2007-01-29 2011-06-15 清水建設株式会社 Wave protection structure
CN103215918B (en) * 2013-04-17 2016-05-18 河海大学 A kind of ramp type pile foundation manger board transmission dike
CN104846774B (en) * 2015-04-29 2017-03-08 广州市市政工程设计研究总院 Urban catchments river course stores up sustained release sponge bank structure soon
CN109024507B (en) * 2018-07-21 2020-05-29 四川启创建设工程有限公司 Hydraulic engineering energy dissipater structure
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