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French to English translations [PRO]
Tech/Engineering - Transport / Transportation / Shipping / ship to shore crane gantries | | French term or phrase: avant-bec | | Please could anyone provide the correct UK English term for this. Thanks. |
| | | boom | Explanation:
Picture of avant-bec relevable here. It appears to the the entire jib in front of the tower.
Ils comportent un AVANT-BEC qui est RELEVÉ au moment de l'accostage du navire.
http://www.cours-genie-civil.com/IMG/pdf/cours_manutention-q...
The rearward part of the crane is the arrière-bec
Le conteneur est amené ou enlevé de la partie située sous l'ARRIÈRE-BEC par des chariots qui le déposent ou l'ont pris sur le parc situé en arrière.
Same site:
La benne est suspendue à un chariot qui roule sur une poutre horizontale du portique, constituée par un AVANT-BEC RELEVABLE (pour dégager le gabarit du navire à l'accostage ou au départ) et une partie fixe à l'aplomb du quai.
Géant à quatre pattes arpentant depuis cinq ans le quai ouest du bassin du Commerce, le portique bleu et gris du terminal à conteneurs nord se trouve flanqué d'un grand frère. Plus haut (il culmine à 26 mètres) et plus long (88 mètres de L'AVANT-BEC À L'ARRIÈRE-BEC), le monumental outil de levage (620 tonnes d'acier) est en cours d'assemblage
http://www.dna.fr/articles/201001/13/un-colosse-la-rescousse...
There are TWO COMMON TYPES OF CONTAINER HANDLING GANTRY CRANE: HIGH PROFILE WHERE THE BOOM IS HINGED AT THE WATERSIDE OF THE CRANE STRUCTURE AND LIFTED UP IN THE AIR TO CLEAR THE SHIPS FOR NAVIGATION; the second type is the low profile type where the boom is shuttled/pulled towards and over the ship to allow the trolley to load and discharge containers. Low profile cranes are used where they may be in the flightpath of aircraft such as where a container terminal is located close to an airport
http://en.wikipedia.org/wiki/Container_crane
portainer (also known as a container crane, container handling gantry crane ... of container handling gantry crane: HIGH PROFILES (LUFFING BOOM) where the ...
http://www.statemaster.com/encyclopedia/Container-crane#Type...
Here the avant-bec is referred to as the "boom", the arrière-bec as the "main beam":
The primary structural components of container cranes are the gantry, HORIZONTAL MAIN BEAMS, LUFFING BOOM, and an overrunning or underrunning trolley with an adjacent operator’s cab. When in use, the BOOM IS LOWERED TO THE HORIZONTAL POSITION IN LINE WITH THE MAIN BEAM and above the container ship deck. The BOOM LENGTH IS DESIGNED TO REACH ACROSS THE ENTIRE WIDTH OF THE STACKED CONTAINERS ON THE SHIP. The HORIZONTAL MAIN BEAMS FORM A REARWARD EXTENSION OF THE BOOM over the container storage area on the wharf or pier. These cranes have non-rotating upper works; they must reposition themselves on the rails to be in line for each row of containers to be handled. The BOOM IS LUFFED UP to clear any ship superstructure before the crane moves along the rails. When the container crane is not in use, the BOOM IS LOCKED IN A NEARLY VERTICAL POSITION.
[ ... ]
The structure is a rigid traveling gantry with a FIXED MAIN BEAM AND A LUFFING BOOM. When the boom is in the horizontal (operating) position, it is supported by steel stays,
http://www.wbdg.org/ccb/DOD/UFC/ufc_3_320_07n.pdf
Structural pins are defined as those in connections/joints where no motion is intended to take place on their surface during normal crane operation. Examples of such pins are A-frame connections between its members and the machinery deck, and container crane MAIN BEAM (but not BOOM) stay-to-gantry connections. (Container crane BOOM stay hinge pins and gantry connections, which are stationary during normal crane operation, but are subjected to a substantial arc of rotation whenever the BOOM is elevated, are seated in lubricated bushings and are considered to be mechanical components.) http://www.tpub.com/content/UFC1/ufc_3_320_07n/ufc_3_320_07n...
Container Crane Booms. THESE BOOMS ARE THE LUFFING EXTENSIONS OF THE MAIN BEAMS. In their horizontal position, they function as cantilevered girders with trolley rails on their lower flanges. The boom girders are supported by stays at the outer ends and are hinged at the feet so that they can be raised to clear the ship's superstructure during travel or for storage
http://www.tpub.com/content/NAVFAC/1038/10380052.htm
It appears that in the case of a high-profile (luffing boom) container crane, the avant-bec is the "boom", as opposed to the "main beam" on the shoreward side. In the case of the low-profile crane there IS only one beam or boom (a "shuttle boom"), so they probably don't break it down into avant-bec and arrière-bec. I imagine it is safe to assume your crane is the high-profile type with a luffing boom which can be simplified to "boom", as opposed to the "main beam" on the shoreward side.
Of the twelve cranes, three are LOW-PROFILE/SHUTTLE-BOOM (cranes 1-3) and nine are HIGH-PROFILE/LUFFING BOOM machinery-on-trolley cranes. Of these, two (cranes 11-12) are super post-panamax cranes....
www.miamidade.gov/portofmiami/library/tariff/Page_30.pdf
is an artificial photo showing LOW PROFILE CRANES WITH THE SHUTTLE BOOM ...
www.liftech.net/LiftechPublications/newapps.pd
Conventional cranes are of a modified A-frame configuration. Recent cranes have an overall height of 110 m with the BOOM IN THE RAISED POSITION, and are 138 m long with the BOOM IN THE OPERATING POSITION. The BOOMS on earlier cranes were fully raised to clear ships while berthing and to keep the channel unobstructed for ship traffic. Booms on recent cranes are normally stowed at 45 degrees, which is tall enough to clear the berthed vessels.
[ ... ]
Low profile cranes feature a SHUTTLE BOOM that moves in and out for operating and stowed modes.
http://www.jwdliftech.com/LiftechPublications/1reducingimpac...
There IS this, however:
through the OUTREACH BOOM and BACKREACH BOOM of the DB crane. .... 2 are shown fixed container platforms 9, 10 and 12 constructed as integral ...
www.faqs.org/patents/app/20080219804
But these terms (outreach/backreach boom) appear to be used exclusively in patents.
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| Selected response from:
xxxBourth
Local time: 21:10
| Grading comment Thank you for the wealth of information and links. You are very kind.
4 KudoZ points were awarded for this answer |
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| Discussion entries: 0 |
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Automatic update in 00:
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21 mins confidence:   peer agreement (net): +1 launching nose or cutwater
Explanation:
According to Termium, avant-bec means launching nose or cutwater. Its definitions: "A launching nose is used during assembly and disassembly as the bridge is pushed over or pulled away from the river," and a cutwater is "The angular edge of the pier of a bridge, facing upstream." Hope that helps.
Reference: http://www.termium.com
| Transfusion
Local time: 15:10
Native speaker of:  English, French
PRO pts in category: 4
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The translation workplace 
