JP4833098B2 - Material transportation method for marine revetment - Google Patents

Material transportation method for marine revetment Download PDF

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JP4833098B2
JP4833098B2 JP2007013773A JP2007013773A JP4833098B2 JP 4833098 B2 JP4833098 B2 JP 4833098B2 JP 2007013773 A JP2007013773 A JP 2007013773A JP 2007013773 A JP2007013773 A JP 2007013773A JP 4833098 B2 JP4833098 B2 JP 4833098B2
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asphalt
cooker
crane
ship
asphalt mixture
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JP2007297904A (en
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幸雄 高木
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Nippon Road Co Ltd
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Nippon Road Co Ltd
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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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  • Underground Or Underwater Handling Of Building Materials (AREA)
  • Road Paving Machines (AREA)
  • Revetment (AREA)

Description

本発明は、海洋護岸によって埋立地を作る海洋護岸用の材料運搬方法に関する。   The present invention relates to a material transport method for marine revetment where a landfill is created by marine revetment.

海に面して埋立地を作る際の海洋護岸は、基礎捨石層の上にケーソン等の構造物を順次設置していくことで構築される。   The sea revetment when creating a landfill facing the sea is constructed by sequentially installing caisson and other structures on the foundation rubble layer.

構築された構造物と構造物の間はゴム製のシール部材によって、構造物と基礎捨石層との間はシール材となるアスファルトマスチック等の打設による止水層とによってそれぞれシールされ潮の干満により埋立地の内部へ海水が流れ込むのを阻止する一方、内部の汚水等が海へ流れ出るのを防ぐようになっている。   The constructed structure and the structure are sealed by rubber seal members, and the structure and the foundation rubble layer are sealed by a water-stopping layer made of asphalt mastic or the like that serves as a seal material, and the tides are filled. This prevents seawater from flowing into the landfill, while preventing internal sewage from flowing into the sea.

止水層を作るアスファルトマスチックは、ケーソン等の構造物を設置した基礎捨石層に沿って打設するようになるが、ケーソン等の構造物までは、アスファルトプラントで作られた後、船で運ばれる。   The asphalt mastic that creates the water-stopping layer will be driven along the foundation rubble layer where caisson and other structures are installed, but the caisson and other structures will be transported by ship after being made at the asphalt plant. It is.

船は船着場に待機し、アスファルトプラントで作られたアスファルトマスチックは大型のアスファルト運搬車によって船着場まで陸送された後、船に積み換えられる。   The ship waits at the landing site, and the asphalt mastic produced at the asphalt plant is transported to the landing site by a large asphalt carrier and then transferred to the ship.

この場合、アスファルトマスチックは一定の品質を確保する必要があるところから陸送を含め、船にある運搬中も一定の最適温度に保持された状態で撹拌混合される。   In this case, the asphalt mastic is agitated and mixed in a state where it is maintained at a constant optimum temperature during transportation on the ship, including land transportation, from the point that it is necessary to ensure a certain quality.

このために、船には加熱装置を備えた撹拌混合装置が何基も必要となる。これにより、一度に大量のアスファルトマスチックが運べるようになるが反面、アスファルトマスチックを運搬車から船に積み換える作業に多大の時間がかかり、作業性の面で望ましくないことと、積み換えによる作業時の品質低下が避けられなかった。また、船は撹拌混合装置が設置され、他に流用がきかない専用船となってしまうためその設備投資に莫大な費用がかかる問題をかかえる。   For this purpose, the ship needs several stirring and mixing devices equipped with heating devices. As a result, a large amount of asphalt mastic can be transported at one time, but on the other hand, it takes a lot of time to transfer the asphalt mastic from the transport vehicle to the ship, which is not desirable in terms of workability, and at the time of work by reloading The deterioration of quality was inevitable. In addition, since the ship is equipped with a stirring and mixing device and becomes a dedicated ship that cannot be diverted to others, there is a problem that the equipment investment is very expensive.

そこで、本発明にあっては設備投資に費用がかからず、しかも、品質が確保された状態で運搬できる海洋護岸用の材料運搬方法を提供することを目的としている。   Accordingly, an object of the present invention is to provide a material transport method for marine revetment that can be transported in a state where quality is ensured without costing equipment investment.

前記目的を達成するために、本発明にあっては、アスファルトプラントによりアスファルト混合物を作る工程と、前記アスファルトプラントにより作られたアスファルト混合物を加熱、撹拌混合する自走式のアスファルトクッカで受けとりクレーンを備えた運搬船が待機する船着場まで陸走する工程と、船着場に到着した前記アスファルトクッカを前記運搬船のクレーンを用いて前記運搬船に１台ずつ積込む工程と、埋立地となる海洋護岸を構築するケーソンの近くまで前記運搬船を航行させアスファルトクッカごと運ぶ工程とを有し、前記運搬船に乗り入れたアスファルトクッカは、前記運搬船のクレーンにより吊下げられた打設用の投入バケットに対して直接アスファルト混合物の投入が可能となっていることを特徴とする。 In order to achieve the above-mentioned object, in the present invention, a crane for receiving an asphalt mixture by an asphalt plant and a self-propelled asphalt cooker for heating, stirring and mixing the asphalt mixture produced by the asphalt plant are provided. Build a marine revetment as a landfill, a process of landing to the landing site where the equipped transport ship waits, a process of loading the asphalt cooker arriving at the landing site into the transport ship one by one using the crane of the transport ship The asphalt cooker sailing to the vicinity of the caisson and transporting the asphalt cooker together with the asphalt cooker. It is characterized in that it can be input.

本発明によれば、アスファルトクッカはアスファルトプラントからアスファルト混合物を受け取った後、そのまま運搬船に乗り入れることが可能となるためアスファルト混合部の積み換え作業が不用となり、アスファルトプラントから海上運搬までの時間を大幅に短縮することができる。しかも、長時間の積み換え作業がなくなるためアスファルト混合物の品質低下を防ぐことができる。 According to the present invention , the asphalt cooker can receive the asphalt mixture from the asphalt plant and then enter the transport ship as it is. Can be shortened. In addition, since long-time transshipment work is eliminated, the quality of the asphalt mixture can be prevented from deteriorating.

また、アスファルトクッカは、加熱、撹拌混合する市販のアスファルトクッカをそのまま利用することができると共に、運搬船に乗ったままクレーンにより吊下げられた打設用の投入バケットに対して最適温度に加熱されたアスファルト混合物の投入を直接行うことができるため、品質を一定に保持した状態で止水層の打設作業を行うことができる。   In addition, asphalt cooker can be used as it is, commercially available asphalt cooker that is heated and stirred and mixed, and is heated to an optimum temperature with respect to the input bucket for placement suspended by a crane while on a transport ship. Since the asphalt mixture can be directly charged, the water stop layer can be placed while maintaining the quality constant.

また、運搬船は一般の船又はクレーン船を利用する手段となるため、設備投資に必要なコストを大幅に下げることができる。   Further, since the carrier ship is a means for using a general ship or a crane ship, the cost required for capital investment can be greatly reduced.

以下、図１乃至図３の図面を参照しながら本発明の参考形態について具体的に説明する。 Hereinafter, a reference embodiment of the present invention will be specifically described with reference to the drawings of FIGS. 1 to 3.

図１は本発明にかかる海洋護岸用の材料運搬方法全体の概要説明図を示したものである。   FIG. 1 is a schematic explanatory diagram of the entire material transport method for marine revetment according to the present invention.

海洋護岸用の材料運搬方法は、アスファルトプラント１によりアスファルト混合物を作る工程と、前記アスファルトプラント１により作られたアスファルト混合物を自走式のアスファルトクッカ３で受けとり加熱、撹拌混合しながら運搬船７が待機する船着場５まで陸走する工程と、前記船着場からアスファルトクッカ３を運転し直接運搬船７に乗り入れる工程と、埋立地となる海洋護岸を構築するケーソン９の近くまで前記運搬船７を航行させアスファルトクッカ３ごと運ぶ工程を有している。   The material transport method for marine revetments consists of a process of making an asphalt mixture by the asphalt plant 1 and a carrier ship 7 waiting for the asphalt mixture produced by the asphalt plant 1 to be received by the self-propelled asphalt cooker 3 and heated and stirred and mixed. The process of landing to the landing site 5, the process of driving the asphalt cooker 3 from the landing site and directly entering the transport ship 7, and the asphalt by navigating the transport ship 7 to the vicinity of the caisson 9 for constructing the marine revetment as a landfill site A process for carrying the entire cooker 3 is provided.

アスファルトプラント１は、例えば、工場の敷地内に設置され本体１ａ内部にストレートアスファルト及び骨材が投入されることで、シール材となるアスファルト混合物が作られるようになっている。アスファルト混合物は、ケーソン９と基礎捨石層１１との間に止水層を作るためのものであって、混合する材料は必ずしもストレートアスファルト及び骨材に限定されない。   The asphalt plant 1 is installed in a factory site, for example, and straight asphalt and aggregate are put into the main body 1a so that an asphalt mixture serving as a sealing material is produced. The asphalt mixture is for making a water-stopping layer between the caisson 9 and the basic rubble layer 11, and the material to be mixed is not necessarily limited to straight asphalt and aggregate.

アスファルトクッカ３は、図３に示すように市販されている車であって通常の道路工事等に使用されているものをそのまま流用している。運転室１３の運転席に座ることで目的の場所への自由な走行が可能となっている。運転室１３の後方には、バーナ等の加熱手段及び回転ドラム等の撹拌手段からなる加熱、撹拌混合装置１５を有し、運転室１３側となる前方を矢印の如く、持ち上げることで取出口１７から最適温度に加熱されたアスファルト混合物の取出しが可能となる。   The asphalt cooker 3 is a commercially available car as shown in FIG. 3 and is used as it is for normal road construction. Sitting in the driver's seat of the driver's cab 13 enables free traveling to a target location. Behind the cab 13 is a heating / stirring mixing device 15 composed of a heating means such as a burner and a stirring means such as a rotating drum. The asphalt mixture heated to the optimum temperature can be taken out from.

運搬船７は、甲板１９の上に屋根等がない乗り入れ用の桟橋２０を備えた一般的なフエリ台船と呼ばれるもので、複数のアスファルトクッカ３を一度に運べる大きさとなっている。航行はエンジン付きの自走式タイプ又はエンジンなしの牽引タイプがあり、いずれのタイプのものを使用してもよく、本実施例では自走式タイプを利用する手段となっている。この場合、運搬船７は必ずしもフエリ台船でなくてもよく、新たに桟橋をかけて乗り降りできる一般の船であってもよい。   The transport ship 7 is called a general ferry trolley equipped with a pier 20 for entering without a roof or the like on the deck 19, and has a size capable of carrying a plurality of asphalt cookers 3 at a time. The navigation includes a self-propelled type with an engine or a towing type without an engine. Either type may be used, and in this embodiment, the self-propelled type is used. In this case, the transport ship 7 does not necessarily have to be a ferry carrier, and may be a general ship that can be used to get on and off the pier.

一方、埋立地となる海洋護岸を構築するケーソン９の近くには、クレーン２１が配置され打設用の投入バケット２３が吊下げられている。クレーン２１は曳航タイプのクレーン船となっていて、牽引することでいずれの場所でも移動可能となっている。   On the other hand, a crane 21 is arranged near a caisson 9 that constructs an ocean revetment as a landfill site, and an input bucket 23 for placing is suspended. The crane 21 is a towing type crane ship and can be moved anywhere by towing.

次に、材料運搬方法について具体的に説明すると、アスファルトプラント１により作られたアスファルト混合物をアスファルトクッカ３で受けとり、設定温度まで加熱した後、撹拌混合しながら運搬船７が待機する船着場５まで陸走し、そのまま船着場５から直接運搬船７に乗り入れる。乗り入れ完了後、運搬船７によってケーソン９の近くまでアスファルトクッカ３ごと運搬する手段となっている。   Next, the material transporting method will be described in detail. The asphalt mixture produced by the asphalt plant 1 is received by the asphalt cooker 3, heated to the set temperature, and then landed to the landing point 5 where the transport ship 7 waits while stirring and mixing. Run and enter the transport ship 7 directly from the dock 5. After the boarding is completed, the asphalt cooker 3 is transported to the vicinity of the caisson 9 by the transport ship 7.

運搬船７によって運ばれたアスファルトクッカ３はクレーン２１によって吊下げられた打設用の投入バケット２３内へ最適温度に加熱されたアスファルト混合物を直接投入し、投入バケット２３による打設が行なわれる。   The asphalt cooker 3 carried by the transport ship 7 directly puts the asphalt mixture heated to the optimum temperature into the placing bucket 23 for casting suspended by the crane 21, and placing by the throwing bucket 23 is performed.

これら一連の運搬工程において、アスファルト混合物の船への積み換え作業がなくなるため、作業性に非常に優れると共に、アスファルト混合物の品質を低下させることなく海洋護岸まで運べるようになる。しかも、現場到着後、アスファルトクッカ３から直接アスファルト混合物の打設を行うことができる。   In these series of transportation processes, the asphalt mixture is not transshipped to the ship, so that the workability is excellent and the asphalt mixture can be transported to the seawall without deteriorating the quality. Moreover, the asphalt mixture can be placed directly from the asphalt cooker 3 after arrival at the site.

また、市販のアスファルトクッカ及びフエリ台船を利用するため、専用船を作る費用が省略され設備投資の面でも大変好ましいものとなる。   Further, since commercially available asphalt cookers and ferries are used, the cost of making a dedicated ship is omitted, which is very favorable in terms of capital investment.

図４から図６は一実施形態を示したもので、運搬船７を用いてアスファルトクッカ３を直接運ぶことは前記参考形態と同一であるが、運搬船７にクレーン２５が設置されたクレーン台船２７を利用することにある。 FIG. 4 to FIG. 6 show an embodiment , and directly transporting the asphalt cooker 3 using the transport ship 7 is the same as the reference embodiment , but the crane carrier 27 in which the crane 25 is installed on the transport ship 7. Is to use.

これにより、船着場５に到着したアスファルトクッカ３をクレーン台船２７のクレーン２５を用いて甲板１９に積込む工程と、埋立地となる海洋護岸を構築するケーソン９の近くまでクレーン台船２７で航行した後、そのクレーン台船２７のクレーン２５を用いてアスファルトクッカ３のアスファルト混合物を打設する工程が特徴となっている。   As a result, the asphalt cooker 3 arriving at the landing stage 5 is loaded onto the deck 19 using the crane 25 of the crane carriage 27, and the crane carriage 27 close to the caisson 9 that constructs the ocean revetment as a landfill. After sailing, the step of placing the asphalt mixture of the asphalt cooker 3 using the crane 25 of the crane carrier 27 is a feature.

具体的に各工程を説明すると前記アスファルトプラント１により作られたアスファルト混合物を加熱、撹拌混合する自走式のアスファルトクッカ３で受けとりそのままクレーン台船２７が待機する船着場５まで陸送する。船着場５に到着した前記アスファルトクッカ３を前記クレーン台船２７のクレーン２５を用いて前記クレーン台船２７の甲板１９に１台ずつ積込む。次に、積込み完了後クレーン台船２７を航行させアスファルトクッカ３ごと埋立地となる海洋護岸を構築するケーソン９の近くまで運び、クレーン台船２７に積込んだアスファルトクッカ３のアスファルト混合物を前記クレーン２５により吊下げられた打設用の投入バケット２３により受け取り、打設を行うものである。   More specifically, each process is received by a self-propelled asphalt cooker 3 that heats, agitates and mixes the asphalt mixture produced by the asphalt plant 1 and is landed to the landing site 5 where the crane carrier 27 stands by. The asphalt cookers 3 arriving at the landing stage 5 are loaded one by one on the deck 19 of the crane carrier 27 using the crane 25 of the crane carrier 27. Next, after the loading is completed, the crane carrier 27 is navigated and transported together with the asphalt cooker 3 to the vicinity of the caisson 9 that constructs the ocean revetment to be a landfill, and the asphalt cooker 3 loaded on the crane carrier 27 is loaded with the asphalt mixture. It is received by the loading bucket 23 suspended by 25 and is placed.

この場合、船着場５に到着したアスファルトクッカ３をクレーン台船２７に積込むには、図６に示す如くクッカ車積込み台２９を用いることが望ましい。   In this case, in order to load the asphalt cooker 3 arriving at the landing site 5 onto the crane carriage 27, it is desirable to use a cooker carriage loading table 29 as shown in FIG.

クッカ車積込み台２９は、アスファルトクッカ３が直接載る設置固定台となっていて、積込み台数分製作される。   The cooker vehicle loading table 29 is an installation fixed table on which the asphalt cooker 3 is directly mounted, and is manufactured for the number of loading items.

クッカ車積込み台２９の各コーナ部４箇所は吊下げ具３１の吊下げチェーン３３に引掛けることで４点支持による吊下げが可能となり、甲板１９への搭載完了後は４箇所の吊り下げチェーン３３を取外すことでアスファルトクッカ３と一緒に積込みが完了するようになっている。   The four corners of the cooker truck loading table 29 can be hung on the suspension chain 33 of the hanging tool 31 to be supported by four points, and after the mounting on the deck 19, the four hanging chains are provided. By removing 33, loading with the asphalt cooker 3 is completed.

したがって、この一実施形態によれば、アスファルト混合物の船への積み換え作業がなくなるため、作業性に非常に優れると共に、アスファルト混合物の品質を低下させることなく海洋護岸まで運べるようになる。しかも、現場到着後、アスファルトクッカ３から直接アスファルト混合物の打設を行うことができる。 Therefore, according to this embodiment , since the work of transshipment of the asphalt mixture to the ship is eliminated, the workability is very excellent, and the asphalt mixture can be transported to the seawall without deteriorating the quality. Moreover, the asphalt mixture can be placed directly from the asphalt cooker 3 after arrival at the site.

また、市販のアスファルトクッカ３及びクレーン台船２７を利用するため、専用船を作る費用が省略され設備投資の面でも大変好ましいものとなる。   Further, since the commercially available asphalt cooker 3 and the crane carrier 27 are used, the cost of making a dedicated ship is omitted, which is very preferable in terms of capital investment.

本発明にかかる参考形態による海洋護岸用の材料運搬方法全体の概要説明図。BRIEF DESCRIPTION OF THE DRAWINGS Outline explanatory drawing of the whole material conveyance method for marine revetments by the reference form concerning this invention. 参考形態において投入バケットによるアスファルト混合物の打設作業を示した概要説明図。 The schematic explanatory drawing which showed the placement work of the asphalt mixture by a charging bucket in a reference form . アスファルトクッカの概要側面図。Outline side view of asphalt cooker. 一実施形態による海洋護岸用の材料運搬方法全体の概要説明図。 The general | schematic explanatory drawing of the whole material conveyance method for marine revetments by one Embodiment . 一実施形態において投入バケットによるアスファルト混合物の打設作業を示した概要説明図。 The schematic explanatory drawing which showed the placement operation | work of the asphalt mixture by an injection | throwing-in bucket in one Embodiment . クッカ車積込み台の概要説明図。Outline explanatory drawing of a cooking car loading platform.

符号の説明Explanation of symbols

１ アスファルトプラント
３ アスファルトクッカ
５ 船着場
７ 運搬船
９ ケーソン
１１ 基礎捨石層
２１ クレーン
２３ 投入バケット
２５ クレーン
２７ クレーン台船
２９ クッカ車積込み台
３１ 吊下げ具
３３ 吊下げチェーン DESCRIPTION OF SYMBOLS 1 Asphalt plant 3 Asphalt cooker 5 Landing place 7 Transport ship 9 Caisson 11 Foundation rubble layer 21 Crane 23 Input bucket 25 Crane 27 Crane carrier 29 Cooker vehicle loading base 31 Suspension tool 33 Suspension chain

Claims (1)

アスファルトプラントによりアスファルト混合物を作る工程と、前記アスファルトプラントにより作られたアスファルト混合物を加熱、撹拌混合する自走式のアスファルトクッカで受けとりクレーンを備えた運搬船が待機する船着場まで陸走する工程と、船着場に到着した前記アスファルトクッカを前記運搬船のクレーンを用いて前記運搬船に１台ずつ積込む工程と、埋立地となる海洋護岸を構築するケーソンの近くまで前記運搬船を航行させアスファルトクッカごと運ぶ工程とを有し、前記運搬船に乗り入れたアスファルトクッカは、前記運搬船のクレーンにより吊下げられた打設用の投入バケットに対して直接アスファルト混合物の投入が可能となっていることを特徴とする海洋護岸用の材料運搬方法。   A step of making an asphalt mixture by an asphalt plant, a step of landing to a landing site where a carrier ship equipped with a crane is received by a self-propelled asphalt cooker that heats, agitates and mixes the asphalt mixture made by the asphalt plant, and A step of loading the asphalt cooker arriving at the landing site into the transport vessel one by one using the crane of the transport vessel, and a step of carrying the asphalt cooker by navigating the transport vessel to the vicinity of a caisson for constructing a marine revetment as a landfill And the asphalt cooker that has entered the carrier ship is capable of directly feeding the asphalt mixture into a loading bucket that is suspended by a crane of the carrier ship. Material transport method for
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JP4746604B2 (en) * 2007-11-13 2011-08-10 大成ロテック株式会社 Method for placing asphalt mixture

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JPH05148836A (en) * 1991-08-26 1993-06-15 Okanoe Mie Manufacturing, carrying and placing system for marine concrete
JPH06320999A (en) * 1993-05-14 1994-11-22 Kazuhiro Tamada Truck mixer for transporting asphalt
JP2920464B2 (en) * 1993-12-09 1999-07-19 日本海上工事株式会社 Asphalt casting apparatus and construction method
JP3056367B2 (en) * 1994-01-21 2000-06-26 日本海上工事株式会社 Asphalt mixture handling equipment
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