JP6940133B2 - Floating breakwater - Google Patents

Floating breakwater Download PDF

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JP6940133B2
JP6940133B2 JP2017080299A JP2017080299A JP6940133B2 JP 6940133 B2 JP6940133 B2 JP 6940133B2 JP 2017080299 A JP2017080299 A JP 2017080299A JP 2017080299 A JP2017080299 A JP 2017080299A JP 6940133 B2 JP6940133 B2 JP 6940133B2
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main body
cylindrical member
floating breakwater
pair
plates
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JP2018178551A (en
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聡 若杉
聡 若杉
博実 竹下
博実 竹下
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株式会社古川組
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters

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Description

本発明は水面上に係留した状態で備える浮消波堤に関するものである。 The present invention relates to a floating breakwater provided while moored on the water surface.

この種の浮消波堤は特許文献１に示されたものがあり、この浮消波堤は消波堤本体の内部が仕切壁によって上下２室に仕切られ、その下室が底無しタンク状に形成されると共に、その上室の内部に波の進行方向に沿って３つのタンクが形成され、該上室の両舷タンクは、水密箱状に形成されて、その内部に所定量の液体が封入されると共に、連通路を介して互いに連通され、上室の中央タンクは、その上面が開放されると共に、仕切壁に貫設した流通孔を介して下室に連通されている。 This type of floating breakwater is shown in Patent Document 1. In this floating breakwater, the inside of the breakwater breakwater body is divided into two upper and lower chambers by a partition wall, and the lower chamber is shaped like a bottomless tank. At the same time, three tanks are formed inside the upper chamber along the traveling direction of the wave, and the tanks on both sides of the upper chamber are formed in a watertight box shape, and a predetermined amount of liquid is contained inside the tanks. It is sealed and communicated with each other through a communication passage, and the central tank of the upper chamber is communicated to the lower chamber through a flow hole penetrating through a partition wall while its upper surface is opened.

そして、消波堤本体が透過波に乗って縦揺れしたり横揺れしたりした場合には、その縦揺れは中央タンクと下室との間で海水が流通孔を通って交互に流通することにより著しく小さくされ、横揺れは両舷タンク内の液体が連通路を通過して交互に流通することにより著しく小さくされるため、消波堤本体を安定的に係留することができるとするものである。 Then, when the breakwater main body sways or rolls on the transmitted wave, the pitching causes seawater to alternately circulate between the central tank and the lower chamber through the distribution hole. The roll is significantly reduced by the liquid in the tanks on both sides passing through the communication passages and circulating alternately, so that the breakwater main body can be moored stably. be.

特開平７−１１９１２４号公報Japanese Unexamined Patent Publication No. 7-119124

しかしながら、上記従来の浮消波堤は構造が複雑で製作コストが嵩むという問題点がある。
本発明は構造が簡単で製作コストが低く、しかも波のエネルギーを減衰でき、本体が回転するのを抑制することが可能で、波の透過を安定して抑えることができる浮消波堤の提供を、その目的とする。 However, the above-mentioned conventional floating breakwater has a problem that the structure is complicated and the manufacturing cost is high.
The present invention provides a floating breakwater that has a simple structure, low manufacturing cost, can attenuate wave energy, can suppress rotation of the main body, and can stably suppress wave transmission. Is the purpose.

本発明は上記課題を解決するためになされたものであり、請求項１の発明は、水に浮かべた状態で係留されて備えられる浮消波堤であって、略円筒状の本体と、前記本体の開口を閉鎖する蓋体と、前記本体に設けられ板状で、且つ本体の長手方向の略全長に渡って延び、下方に垂直に延びて水中へ突出するエネルギー減衰部材を鋼製で具備しており、前記エネルギー減衰部材として、前記本体の軸心の延長線を挟んで距離が等しくなるように互いに間隔を開けて配置された一対の遮板が、前記本体の長手方向に互いに間隔を開けて複数設けられ、且つ、前記遮板の水中へ突出する寸法は前記本体の直径のほぼ二分の一に設定されており、前記本体の内部には、発泡スチロール製の円柱体がほぼ隙間のない状態となるように収容されており、前記円柱体は浮力付与材として前記本体の軸心が水面位置程度となる浮力を付与するものであることを特徴とする浮消波堤である。 The present invention has been made to solve the above problems, and the invention of claim 1 is a floating breakwater provided by mooring while floating on water, and has a substantially cylindrical main body and the above. It is made of steel and includes a lid that closes the opening of the main body, and an energy damping member that is provided on the main body and has a plate shape and extends over substantially the entire length of the main body in the longitudinal direction and extends vertically downward to project into water. As the energy damping member, a pair of shielding plates arranged at intervals so as to have equal distances across an extension line of the axis of the main body are spaced apart from each other in the longitudinal direction of the main body. A plurality of open siding plates are provided, and the size of the shield plate protruding into the water is set to be approximately half the diameter of the main body, and a cylindrical body made of foamed styrol has almost no gap inside the main body. It is housed so as to be in a state, and the columnar body is a floating breakwater that imparts buoyancy as a buoyancy imparting material so that the axis of the main body is about the position of the water surface.

請求項２の発明は、請求項１に記載した浮消波堤において、エネルギー減衰部材は、一対の遮板と本体の外周面とを連結する連結部材を備えたことを特徴とする浮消波堤である。 The invention of claim 2 is the floating wave breaker according to claim 1 , wherein the energy damping member includes a connecting member for connecting a pair of shielding plates and an outer peripheral surface of the main body. It is a bank.

請求項３の発明は、請求項１または２に記載した浮消波堤において、本体は複数の円筒状部材を連結して構成されていることを特徴とする浮消波堤である。 The invention of claim 3 is the floating breakwater according to claim 1 or 2 , wherein the main body is formed by connecting a plurality of cylindrical members.

本発明の浮消波堤では、構造が簡単で製作コストを低く抑えることができる。また、波のエネルギーを減衰でき、本体が回転するのを抑制することが可能で、波の透過を安定して抑えることができる。 The floating breakwater of the present invention has a simple structure and can keep the manufacturing cost low. In addition, the energy of the wave can be attenuated, the rotation of the main body can be suppressed, and the transmission of the wave can be stably suppressed.

本発明の実施の形態に係る浮消波堤を係留した状態の斜視図である。It is a perspective view of the state in which the floating breakwater according to the embodiment of the present invention is moored. 図１の浮消波堤の正面図である。It is a front view of the floating breakwater of FIG. （Ａ）は図２のＡ−Ａ断面図、（Ｂ）は図２のＢ−Ｂ断面図、（Ｃ）は図２のＣ−Ｃ断面図、（Ｄ）は図２のＤ−Ｄ断面図である。(A) is a cross-sectional view taken along the line AA of FIG. 2, (B) is a cross-sectional view taken along the line BB of FIG. 2, (C) is a cross-sectional view taken along the line CC of FIG. It is a figure. 図１の浮消波堤の構成部材である蓋体の平面図である。It is a top view of the lid which is a constituent member of the floating breakwater of FIG. 図１の浮消波堤の構成部材である円筒状部材の正面図である。It is a front view of the cylindrical member which is a constituent member of the floating breakwater of FIG. 図５の円筒状部材の底面図である。It is a bottom view of the cylindrical member of FIG. 図５の円筒状部材に連結される円筒状部材の正面図である。It is a front view of the cylindrical member connected to the cylindrical member of FIG. 図７の円筒状部材の底面図である。It is a bottom view of the cylindrical member of FIG. 図５、図６の円筒状部材と、この円筒状部材に組み付けられる部材の斜視図である。5 is a perspective view of the cylindrical member of FIGS. 5 and 6 and a member assembled to the cylindrical member. 図７、図８の円筒状部材と、この円筒状部材に組み付けられる部材の斜視図である。7 is a perspective view of the cylindrical member of FIGS. 7 and 8 and a member assembled to the cylindrical member. 図１の浮消波堤を水面上に係留した状態の側面図である。It is a side view of the state where the floating breakwater of FIG. 1 is moored on the water surface.

本発明の実施の形態に係る浮消波堤１を図面にしたがって説明する。
図１、図２に示すように浮消波堤１は長手方向の中心を境に左右対称の形状を為している。浮消波堤１は略円筒状の本体３、この本体３の左右の開口を閉鎖する蓋体５、本体３に設けられ板状で、且つ本体の長手方向の略全長に渡って延び、後述するように水中へ突出するエネルギー減衰部材としての遮板７、９、１１、１３等を具備している。本体３、蓋体５及び遮板７、９、１１、１３は鋼材によって構成されている。 The floating breakwater 1 according to the embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the floating breakwater 1 has a symmetrical shape with the center in the longitudinal direction as a boundary. The floating breakwater 1 has a substantially cylindrical main body 3, a lid 5 that closes the left and right openings of the main body 3, a plate shape provided on the main body 3, and extends over a substantially total length in the longitudinal direction of the main body, which will be described later. It is provided with shielding plates 7, 9, 11, 13, and the like as energy damping members that project into the water so as to do so. The main body 3, the lid body 5, and the shield plates 7, 9, 11, and 13 are made of steel.

浮消波堤１を構成する部材について詳細に説明する。
符号１５は円筒状部材を示し、この円筒状部材１５の左右両端部にはフランジ１７が形成されている。フランジ１７と円筒状部材１５の外周面は略二等辺三角形の板状を為す複数の補強板を介して連結されている。また、フランジ１７には複数のボルト挿通穴２１が形成されている。 The members constituting the floating breakwater 1 will be described in detail.
Reference numeral 15 indicates a cylindrical member, and flanges 17 are formed at both left and right ends of the cylindrical member 15. The outer peripheral surfaces of the flange 17 and the cylindrical member 15 are connected via a plurality of reinforcing plates forming a plate shape having a substantially isosceles triangle shape. Further, a plurality of bolt insertion holes 21 are formed in the flange 17.

円筒状部材１５の外周面には、各々一対を一組とする遮板７、９、１１が三組取り付けられており、遮板７、９、１１は下方へ垂直に延びている。また、遮板７、９、１１の突出寸法（幅寸法）は円筒状部材１５の直径のほぼ二分の一に設定されている。
一対の遮板７は互いに間隔を開けて対向して設けられ、円筒状部材１５の軸心Ｃの延長線Ｌを挟んで備えられている。そして、一対の遮板７は延長線Ｌからの距離が等しくなるように配置されている。一対の遮板９、一対の遮板１１も同様に配置されている。
遮板７が最も大きな長さ寸法を有し、遮板９、遮板１１の順に大きな長さ寸法を有しており、遮板７は遮板１１のほぼ２倍の長さ寸法となっている。 Three sets of shield plates 7, 9 and 11 are attached to the outer peripheral surface of the cylindrical member 15 in pairs, and the shield plates 7, 9 and 11 extend vertically downward. Further, the protruding dimension (width dimension) of the shielding plates 7, 9 and 11 is set to be substantially half the diameter of the cylindrical member 15.
The pair of shield plates 7 are provided so as to face each other with a gap from each other, and are provided so as to sandwich an extension line L of the axis C of the cylindrical member 15. The pair of shield plates 7 are arranged so that the distances from the extension line L are equal. A pair of shield plates 9 and a pair of shield plates 11 are also arranged in the same manner.
The shield plate 7 has the largest length dimension, and the shield plate 9 and the shield plate 11 have the largest length dimension in this order, and the shield plate 7 has almost twice the length dimension of the shield plate 11. There is.

一対の遮板７どうしの間には３枚の連結板１８が渡設されている。連結板１８は一対の遮板７と円筒状部材１５の外周面とに固定されており、連結板１８を介して一対の遮板７どうしと、円筒状部材１５の外周面とが連結されている。連結板１８は一対の遮板７の長手方向に互いに等間隔を開けて配置されている。
一対の遮板９どうしの間にも３枚の連結板１８が渡設されており、一対の遮板９どうしと、円筒状部材１５の外周面とが連結されている。連結板１８を介して一対の遮板９どうしと、円筒状部材１５の外周面とが連結されている。連結板１８は一対の遮板９の長手方向に互いに等間隔を開けて配置されている。
更に、一対の遮板１１どうしの間には２枚の連結板１８が渡設されており、一対の遮板１１どうしと、円筒状部材１５の外周面とが連結されている。連結板１８は一対の遮板１１の両端部に配置されている。 Three connecting plates 18 are laid between the pair of shielding plates 7. The connecting plate 18 is fixed to the pair of shield plates 7 and the outer peripheral surface of the cylindrical member 15, and the pair of shield plates 7 and the outer peripheral surface of the cylindrical member 15 are connected to each other via the connecting plate 18. There is. The connecting plates 18 are arranged at equal intervals from each other in the longitudinal direction of the pair of shielding plates 7.
Three connecting plates 18 are laid between the pair of shielding plates 9, and the pair of shielding plates 9 and the outer peripheral surface of the cylindrical member 15 are connected to each other. The pair of shield plates 9 and the outer peripheral surface of the cylindrical member 15 are connected to each other via a connecting plate 18. The connecting plates 18 are arranged at equal intervals from each other in the longitudinal direction of the pair of shielding plates 9.
Further, two connecting plates 18 are laid between the pair of shielding plates 11, and the pair of shielding plates 11 and the outer peripheral surface of the cylindrical member 15 are connected to each other. The connecting plates 18 are arranged at both ends of the pair of shield plates 11.

遮板７の右端部と遮板９の左端部との間、遮板９の右端部と遮板１１の左端部との間には隙間が開いている。すなわち、遮板７と遮板９は互いに間隔を開けて設けられ、遮板９と遮板１１は互いに間隔を開けて設けられている。
円筒状部材１５の外周面には一対の係留用ピース２９が固定されている。係留用ピース２９は遮板７の右端部と遮板９の左端部との隙間に対応する箇所に斜め下方を向く姿勢で備えられている。 There is a gap between the right end of the shield 7 and the left end of the shield 9, and between the right end of the shield 9 and the left end of the shield 11. That is, the shield plate 7 and the shield plate 9 are provided at intervals from each other, and the shield plate 9 and the shield plate 11 are provided at intervals from each other.
A pair of mooring pieces 29 are fixed to the outer peripheral surface of the cylindrical member 15. The mooring piece 29 is provided at a position corresponding to a gap between the right end portion of the shield plate 7 and the left end portion of the shield plate 9 in a posture of facing diagonally downward.

また、円筒状部材１５の外周面には標識灯取付台３３が取り付けられており、この標識灯取付台３３は、遮板９、１１と反対側になる位置、すなわち上方へ向く姿勢で備えられている。
遮板９には円筒状部材１５、遮板７、９、１１等が錆びるのを抑制するための防食部材３５が取り付けられている。 Further, an indicator light mounting base 33 is attached to the outer peripheral surface of the cylindrical member 15, and the indicator light mounting base 33 is provided at a position opposite to the shielding plates 9 and 11, that is, in a posture facing upward. ing.
The shielding plate 9 is provided with an anticorrosion member 35 for suppressing the rusting of the cylindrical member 15, the shielding plates 7, 9, 11 and the like.

符号２３は円筒状部材を示し、この円筒状部材２３の左右両端部にはフランジ２５が形成されている。フランジ２５と円筒状部材２３の外周面は略二等辺三角形の板状を為す複数の補強板を介して連結されている。また、フランジ２５には複数のボルト挿通穴２７が形成されている（図１０参照）。 Reference numeral 23 indicates a cylindrical member, and flanges 25 are formed on the left and right ends of the cylindrical member 23. The outer peripheral surfaces of the flange 25 and the cylindrical member 23 are connected to each other via a plurality of reinforcing plates forming a plate shape having a substantially isosceles triangle shape. Further, a plurality of bolt insertion holes 27 are formed in the flange 25 (see FIG. 10).

円筒状部材２３の外周面には、一対の遮板１３が取り付けられており、一対の遮板１３は下方へ垂直に延びている。また、遮板１３の水中へ突出する寸法（幅寸法）は、円筒状部材２３の直径のほぼ二分の一に設定されている。
一対の遮板１３は互いに間隔を開けて対向して設けられ、円筒状部材２３の軸心Ｃの延長線Ｌを挟んで備えられている（図１１参照）。そして、一対の遮板１３は延長線Ｌからの距離が等しくなるように配置されている。 A pair of shield plates 13 are attached to the outer peripheral surface of the cylindrical member 23, and the pair of shield plates 13 extend vertically downward. Further, the dimension (width dimension) of the shield plate 13 protruding into the water is set to be approximately half the diameter of the cylindrical member 23.
The pair of shield plates 13 are provided so as to face each other with a gap from each other, and are provided so as to sandwich an extension line L of the axis C of the cylindrical member 23 (see FIG. 11). The pair of shield plates 13 are arranged so that the distances from the extension line L are equal.

一対の遮板１３どうしの間には連結部材としての６枚の連結板１８が渡設されている。連結板１８は一対の遮板１３と円筒状部材２３の外周面とに固定されて、一対の遮板１３どうしと、円筒状部材２３の外周面とを連結している。連結板１８は一対の遮板１３の長手方向に互いに等間隔を開けて配置されている。 Six connecting plates 18 as connecting members are laid between the pair of shielding plates 13. The connecting plate 18 is fixed to the pair of shield plates 13 and the outer peripheral surface of the cylindrical member 23, and connects the pair of shield plates 13 to each other and the outer peripheral surface of the cylindrical member 23. The connecting plates 18 are arranged at equal intervals from each other in the longitudinal direction of the pair of shielding plates 13.

符号３７は円筒状部材を示し、この円筒状部材３７は円筒状部材１５と線対称の形状を有している。この円筒状部材３７は円筒状部材１５に備えられる遮板７、９、１１等の部材も線対称形状であり、且つ線対称となる位置に備えられているので、円筒状部材３７に備えられる各部材については円筒状部材１５に備えられた各部材の説明で用いた符号を付す。
蓋体５は円板状で、円筒状部材１５、３７のフランジ１７に形成されたボルト挿通穴２１に対応するボルト挿通穴３９が形成されている。 Reference numeral 37 indicates a cylindrical member, and the cylindrical member 37 has a shape line-symmetrical with the cylindrical member 15. The cylindrical member 37 is provided on the cylindrical member 37 because the members such as the shield plates 7, 9, and 11 provided on the cylindrical member 15 also have a line-symmetrical shape and are provided at positions that are line-symmetrical. Each member is designated by a reference numeral used in the description of each member provided on the cylindrical member 15.
The lid 5 has a disk shape, and a bolt insertion hole 39 corresponding to the bolt insertion hole 21 formed in the flange 17 of the cylindrical members 15 and 37 is formed.

浮消波堤１の組み立て方法を説明する。
図９、図１０に示すように円筒状部材１５、２３に、浮力付与部材としての発泡スチロール製の円柱体４１を収容する。この円柱体４１は円筒状部材１５、２３の内側空間部に対し１０ｍｍ〜２０ｍｍ程度小さい直径となっている。円柱体４１を切断して長さ寸法を調節して、円柱体４１を円筒状部材１５、２３の内部、すなわち本体３内に僅かな隙間を開けて備える。
円柱体４１は、本体３の軸心が水面位置程度となる浮力を付与するように設定されている（図１１参照）。 The method of assembling the floating breakwater 1 will be described.
As shown in FIGS. 9 and 10, the cylindrical members 15 and 23 accommodate a styrofoam cylindrical body 41 as a buoyancy imparting member. The cylindrical body 41 has a diameter that is about 10 mm to 20 mm smaller than the inner space of the cylindrical members 15 and 23. The cylindrical body 41 is cut to adjust the length dimension, and the cylindrical body 41 is provided inside the cylindrical members 15 and 23, that is, inside the main body 3 with a slight gap.
The cylindrical body 41 is set to give a buoyancy so that the axial center of the main body 3 is about the water surface position (see FIG. 11).

そして、円筒状部材１５の右端部のフランジ１７と円筒状部材２３の左端部のフランジ２５とを接合し、円筒状部材２３の右端部のフランジ２５と円筒状部材３７の左端部のフランジ１７を接合する。次いで、各フランジのボルト挿通穴２１とボルト挿通穴２７にボルト（図示せず）を挿通し、ボルトにナット（図示せず）を螺合して締結することで、円筒状部材１５、２３、３７を連結する。
円筒状部材１５の左端部のフランジ１７と、円筒状部材３７の右端部のフランジ１７に蓋体５を宛がい、ボルト挿通穴２１とボルト挿通穴３９を対応させる。そして、ボルト挿通穴２１とボルト挿通穴３９にボルト（図示せず）を挿通し、ボルトにナット（図示せず）を螺合して締結することで、蓋体５によって円筒状部材１５の左端部の開口と、円筒状部材３７の右端部の開口を閉鎖する。
また、標識灯取付台３３に標識灯４３を取り付ける。 Then, the flange 17 at the right end of the cylindrical member 15 and the flange 25 at the left end of the cylindrical member 23 are joined, and the flange 25 at the right end of the cylindrical member 23 and the flange 17 at the left end of the cylindrical member 37 are joined. Join. Next, a bolt (not shown) is inserted into the bolt insertion hole 21 and the bolt insertion hole 27 of each flange, and a nut (not shown) is screwed into the bolt to fasten the cylindrical members 15, 23. 37 are connected.
The lid 5 is attached to the flange 17 at the left end of the cylindrical member 15 and the flange 17 at the right end of the cylindrical member 37 so that the bolt insertion hole 21 and the bolt insertion hole 39 correspond to each other. Then, a bolt (not shown) is inserted into the bolt insertion hole 21 and the bolt insertion hole 39, and a nut (not shown) is screwed into the bolt to fasten the bolt. The opening of the portion and the opening of the right end portion of the cylindrical member 37 are closed.
Further, the indicator light 43 is attached to the indicator light mounting base 33.

以上のようにして組み立てた浮消波堤１を係留場所へ曳航し、図１に示すように、４つのアンカーブロック４５にチェーン４７の一端部を連結し、他端部を係留用ピース２９に連結して、浮消波堤１を係留する。
前述のように本体３の軸心Ｃが水面位置程度の浮力を付与するように設定されているので、図１１に示す状態となる。
本体３の長手方向の略全長に渡って延びる遮板７、９、１１、１３が水中へ垂直に突出しているので、本体３が波を受けた場合に、波のエネルギーを減衰でき、しかも本体３が回転するのを抑制することが可能である。従って、波の透過を安定して抑えることができる。 The floating breakwater 1 assembled as described above is towed to the mooring place, and as shown in FIG. 1, one end of the chain 47 is connected to the four anchor blocks 45, and the other end is connected to the mooring piece 29. Connect and moor the floating breakwater 1.
As described above, the axial center C of the main body 3 is set to give a buoyancy of about the water surface position, so that the state shown in FIG. 11 is obtained.
Since the shielding plates 7, 9, 11 and 13 extending vertically over the substantially entire length of the main body 3 project vertically into the water, the energy of the waves can be attenuated when the main body 3 receives a wave, and the main body 3 can be attenuated. It is possible to suppress the rotation of 3. Therefore, the transmission of waves can be stably suppressed.

また、一対の遮板７、一対の遮板９、一対の遮板１１、一対の遮板１３はそれぞれ互いに間隔を開けて対向して設けられ、本体３の軸心Ｃの延長線Ｌを挟み、且つ延長線Ｌからの距離が等しくなるように備えられているので、図１１において右方向、左方向のいずれの方向から波が来ても、上記のように波のエネルギーを減衰でき、しかも本体３が回転するのを抑制することが可能であり、波の透過を安定して抑えることができる。 Further, the pair of shield plates 7, the pair of shield plates 9, the pair of shield plates 11, and the pair of shield plates 13 are provided so as to face each other with a gap from each other, and sandwich the extension line L of the axis C of the main body 3. Moreover, since the distance from the extension line L is provided to be equal, the energy of the wave can be attenuated as described above regardless of whether the wave comes from the right direction or the left direction in FIG. It is possible to suppress the rotation of the main body 3, and it is possible to stably suppress the transmission of waves.

更に、連結板１８が設けられているので、遮板７、９、１１、１３にかなり大きな圧力が加わっても、遮板７、９、１１、１３が変形するのを防止することが可能である。 Further, since the connecting plate 18 is provided, it is possible to prevent the shielding plates 7, 9, 11 and 13 from being deformed even if a considerably large pressure is applied to the shielding plates 7, 9, 11 and 13. be.

また、本体に発泡スチロール製の円柱体４１がほぼ隙間のない状態となるように備えられているので、本体３に穴が開くなどしても、浮消波堤１が沈没することはない。
また、本体３を構成する円筒状部材１５、２３、３７は市販の鋼管に僅かな加工を施すことで製作されているので、浮消波堤１の製作コストを低く抑えることができる。 Further, since the styrofoam cylinder 41 is provided in the main body so that there is almost no gap, the floating breakwater 1 does not sink even if a hole is formed in the main body 3.
Further, since the cylindrical members 15, 23, and 37 constituting the main body 3 are manufactured by slightly processing a commercially available steel pipe, the manufacturing cost of the floating breakwater 1 can be suppressed to a low level.

以上、本発明の実施の形態について詳述してきたが、具体的構成は、この実施の形態に限られるものではなく、本発明の要旨を逸脱しない範囲における設計の変更などがあっても発明に含まれる。
例えば、上記実施の形態では、本体を３本の円筒状部材によって構成したが、本発明はこれに限定されず、１本または２本、または４本以上の円筒状部材によって構成してもよい。
円筒状部材の数や使用する円筒状部材の長さ寸法を変更して本体の長さ寸法を変えることができる。従って、本発明の浮消波堤では、係留場所等に応じて本体の長さ寸法を容易に変更することが可能である。
また、各遮板の水中へ突出する寸法（幅寸法）、長さ寸法、数は係留場所等の条件に応じて変えることが可能である。 Although the embodiment of the present invention has been described in detail above, the specific configuration is not limited to this embodiment, and the invention can be made even if there is a design change within a range not deviating from the gist of the present invention. included.
For example, in the above embodiment, the main body is composed of three cylindrical members, but the present invention is not limited to this, and the main body may be composed of one, two, or four or more cylindrical members. ..
The length dimension of the main body can be changed by changing the number of cylindrical members and the length dimension of the cylindrical member to be used. Therefore, in the floating breakwater of the present invention, the length dimension of the main body can be easily changed according to the mooring place and the like.
Further, the dimension (width dimension), the length dimension, and the number of each shield plate protruding into the water can be changed according to the conditions such as the mooring place.

本発明の浮消波堤は、浮消波堤製造業、港湾土木業において利用可能性を有する。 The floating breakwater of the present invention has potential in the floating breakwater manufacturing industry and the port civil engineering industry.

１…浮消波堤 ３…本体 ５…蓋体
７、９、１１、１３…遮板 １５…円筒状部材 １７…フランジ
１８…連結板 ２１…ボルト挿通穴 ２３…円筒状部材
２５…フランジ ２７…ボルト挿通穴 ２９…係留用ピース
３３…標識灯取付台 ３５…防食部材 ３７…円筒状部材
３９…ボルト挿通穴 ４１…発泡スチロール ４３…標識灯
４５…アンカーブロック ４７…チェーン
Ｃ…本体の軸心 Ｌ…本体の軸心の延長線 1 ... Floating breakwater 3 ... Main body 5 ... Lid body 7, 9, 11, 13 ... Shielding plate 15 ... Cylindrical member 17 ... Flange 18 ... Connecting plate 21 ... Bolt insertion hole 23 ... Cylindrical member 25 ... Flange 27 ... Bolt insertion hole 29 ... Mooring piece 33 ... Indicator light mount 35 ... Anticorrosion member 37 ... Cylindrical member 39 ... Bolt insertion hole 41 ... Styrofoam 43 ... Indicator light 45 ... Anchor block 47 ... Chain C ... Main body axis L ... Extension of the axis of the main body

Claims (3)

水に浮かべた状態で係留されて備えられる浮消波堤であって、略円筒状の本体と、前記本体の開口を閉鎖する蓋体と、前記本体に設けられ板状で、且つ本体の長手方向の略全長に渡って延び、下方に垂直に延びて水中へ突出するエネルギー減衰部材を鋼製で具備しており、
前記エネルギー減衰部材として、前記本体の軸心の延長線を挟んで距離が等しくなるように互いに間隔を開けて配置された一対の遮板が、前記本体の長手方向に互いに間隔を開けて複数設けられ、且つ、前記遮板の水中へ突出する寸法は前記本体の直径のほぼ二分の一に設定されており、
前記本体の内部には、発泡スチロール製の円柱体がほぼ隙間のない状態となるように収容されており、前記円柱体は浮力付与材として前記本体の軸心が水面位置程度となる浮力を付与するものであることを特徴とする浮消波堤。 A floating breakwater that is moored and provided while floating on water, and has a substantially cylindrical main body, a lid that closes the opening of the main body, and a plate-like and long body provided on the main body. It is equipped with an energy damping member made of steel that extends over approximately the entire length of the direction and extends vertically downward to project into the water.
As the energy damping member, a plurality of pair of shield plates arranged at equal distances with respect to the extension line of the axis of the main body are provided at intervals in the longitudinal direction of the main body. Moreover, the dimension of the shielding plate protruding into the water is set to be approximately half the diameter of the main body.
Inside the main body, a styrofoam cylinder is housed so that there is almost no gap, and the cylinder imparts buoyancy as a buoyancy imparting material so that the axis of the main body is at the water surface position. A floating breakwater characterized by being a thing. 請求項１に記載した浮消波堤において、エネルギー減衰部材は、一対の遮板と本体の外周面とを連結する連結部材を備えたことを特徴とする浮消波堤。 The floating breakwater according to claim 1, wherein the energy damping member includes a connecting member that connects a pair of shielding plates and an outer peripheral surface of the main body . 請求項１または２に記載した浮消波堤において、本体は複数の円筒状部材を連結して構成されていることを特徴とする浮消波堤。 The floating breakwater according to claim 1 or 2 , wherein the main body is formed by connecting a plurality of cylindrical members .
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