نتایج جستجو برای: quay crane
تعداد نتایج: 3776 فیلتر نتایج به سال:
The scheduling problem is one of the most important operation in maritime ports. In this study we solved for a single quay crane and multiple yard trucks port Tripoli-Lebanon. previous proposed two exact methods but faced large instances CPU time. For reason, paper developed heuristic method (genetic algorithm) to obtain near optimal solution with an acceptable main objective minimize completio...
In order to accommodate the growing intercontinental container transport, port facilities have to be up-scaled drastically. The challenge is to develop facilities that can handle a new generation of ships, the jumbo container vessels, with a capacity of 8,000 TEU (Twenty-foot Equivalent Unit) or more. The total in-port time to serve these jumbos is set at 24 hours. This amounts to almost double...
One of the answers to the ever-increasing transhipment volumes that are required within the same timeframe at the quays of the world's large container ports, is the automation of the processes. However, until now ECT in Rotterdam and HHLA (CTA) in Hamburg are still the only two stevedores that have fully automated the transport from quay to stack as well as the stacking operations. Both operato...
This paper addresses the problem of determining stowage plans for containers in a ship, that is the so-called master bay plan problem (MBPP). MBPP is NP-complete [Botter, R.C., Brinati, M.A., 1992. Stowage container planning: A model for getting an optimal solution. IFIP Transactions B (Applications in Technology) B-5, 217–229; Avriel, M., Penn, M., Shpirer, N., 2000. Container ship stowage pro...
With the regular development of global epidemic, port shipping supply is tight. The problem congestion, soaring freight rates, and hard-to-find container space has emerged. This paper proposes a new joint berth-quay crane allocation model, namely E-B&QC, by taking minimum time in ship, cost extra transportation distance for collector trucks land area port, waiting ships. Then, deficiencies spar...
This paper focuses on the operational and strategic planning decisions related to the quayside of container terminals. We introduce an integrated operational research (OR) and system dynamics (SD) approach to solve the Berth Allocation Problem (BAP) and the Quay Crane Assignment Problem (QCAP). A BAPQCAP optimization modeling approach which considers practical aspects not studied before in the ...
The growths of containerization and transporting goods in containers have created many problems for ports, especially with the development of operation equipments produced by port machine manufacturer. A simulation study was proposed to a new container terminal handling technology, which is comprised of twin 40-foot quay cranes, a low bridge allocation system and twin 40-foot rail mounted gantr...
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