liftech集装箱装卸桥 Tandem-40-Dockside-Container-Cranes-and-Their-Impact-on-Terminals-Paper.pdf

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ASCEPorts2007Conference

SanDiego,CA

Tandem-40DocksideContainerCranesandTheir

ImpactonTerminals

123

DerrickLind,JonathanK.Hsieh,andMichaelA.Jordan

1DerrickLind,SE,Associate,LiftechConsultantsInc.,344-20thStreet,Suite360,

Oakland,CA94612:Tel510-832-5606,Fax510-832-2436;dlind@liftech.net

2JonathanK.Hsieh,SE,Principal,LiftechConsultantsInc.;jhsieh@liftech.net

3MichaelA.Jordan,SE,CEO,LiftechConsultantsInc.;mjordan@liftech.net

Background

Conventionalsingle-hoistcontainercraneshavebeeninusesincethemid-

sixties.Manyinnovationshavebeendevelopedtoimprovetheproductivity,

includingincreasesintrolley/hoistspeeds,craneswithtwotrolleys,andelevating

girdercranes.Thelatestdevelopmentisatandem-40cranethatcanhandletwo40-

footcontainersforeachlift.

Tandemcranetechnologyhasbeenprovensuccessful.Severalports,

includingAlgeciras,Spain;Antwerp,Belgium;Dubai,U.A.E.;Shanghai,China;and

Yantian,China,arenowusingtandem-40seffectively.

Thispaperdiscussessingle-hoisttandem-40(SHT40)anddual-hoisttandem-

40(DHT40)cranes.Thesecranespickuptwoormorecontainerswithasingle

trolleyrunningonaconventionalrunway.Wecomparethesecranestoconventional

containercranesanddiscusstandemcranecomponents,theimportanceofimproved

yardoperationstoaccommodatethetandem40s,impactonwharfstructuredesign,

andpossibleproductivityimprovements.

CraneConfigurations

CraneconfigurationsandterminologyareshowninFigure1.Termsmay

varysomewhatintheindustry,butthetermsshownarecommonl

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