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Wyświetlanie 1-15 z 33
Tytuł:
Evaluation of sinkingeffect in container stack
Autorzy:
Kuznetsov, A. L.
Kirichenko, A. V.
Semenov, A. D.
Powiązania:
https://bibliotekanauki.pl/articles/116631.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
containerization
container stack
container
TEU
sinking effect
container logistics
container terminal
container cargo-handling system
Opis:
The container yard is the key element of any modern container terminal. The huge amount of boxes dwelling on the operational areas of the terminals could occupy a lot of space, since one-time storage capacity of the container mega terminal handling over one million TEUs annually is something around 20 000 TEUs. The ecological pressure imposed on modern container terminal does not permit to allocate for this storage large land areas, thus forcing the box stacks grow high. The selection of the individual boxes becomes a complex and time-consuming procedure, demanding a lot of technological resources and deteriorating the service quality. The predicted combinatorial growth of redundant moves needed to clear the access to the individual container is aggravated by the well-known and widely discussed ‘sinking effect’, when containers arrived earlier are gradually covered by the ones arriving afterwards. While the random selection could be adequately assessed by combinatorial methods, the ‘sinking effect’ allows neither intuitive consideration, nor any traditional mathematical means. The only practical way to treat this problem today is in simulation, but the simulation itself causes yet another problem: the problem of model adequacy. This study deals with one possible approach to the problem designated to prove its validity and adequacy, without which the simulation has naught gnoseological value.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 159-162
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The determination of times of transhipment processes at maritime container terminals
Autorzy:
Bartosiewicz, A.
Kucharski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2211919.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
container vessel
transhipment process
container terminal
maritime container transportation
maritime container terminal
ship-to-Shore
rubber-tyred gantr
Baltic Container Terminal
Gdynia
Opis:
Nowadays managers and decision-makers around the world seek every opportunity to lower costs of the ship’s mooring time at seaports. In this article, main operations taking place at maritime container terminals are first disaggregated in several elementary activities. Then the vessel cycle time is analysed while separately investigating the STS (Ship to Shore) crane cycle time, the RTG (Rubber-Tyred Gantry) crane work cycle time and the IMV (Internal Movement Vehicle) transfer time. A triangular distribution describes times of each of the container handling stages while the PERT (Program Evaluation and Review Technique) method is used to estimate the total time for all reloading activities. The paper demonstrates the proposed method effectiveness with data of Baltic Container Terminal (BCT) Gdynia. The use of formulas developed for the calculation of times of individual operations that affect the reloading of a container at maritime container terminals enables an in-depth assessment of the effectiveness of the reloading processes. Thus, the proposed tool gives terminal managers opportunity to track which stage of the container reloading consumes most time and generates biggest costs.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 507--513
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation Model of Container Land Terminals
Autorzy:
Kuznetsov, A. L.
Kirichenko, A. V.
Eglit, J. J.
Powiązania:
https://bibliotekanauki.pl/articles/116236.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
marine simulations
simulation model
container land terminals
container terminal
transport infrastructure
object-oriented model
terminal simulation
container
Opis:
The simulation as a tool for the design of port and terminals has emerged as an answer for the demand to enhance the quality and reliability of the project results. Very high costs of the project solution implementation and practically total lack of liquidity of transport infrastructure objects always induced the immense commercial risks in the terminal business. Lately these risks have multiplied significantly due to rapid changes on the global and regional markets of transport services. Today, many experts come to see this volatility as an indicator of the next phase in development of the global trade system and the derivative cargo transportation system, specifically the state of temporal saturation. The shift of the global goods volumes from quick and steady growth to relatively small fluctuations around constant values causes quick oscillations in re-distribution of demand over the oversized supply. This new business and economic environment seriously affected the paradigm of transport terminal design and development techniques. The new operational environment of terminals put a request for the designers to arrange the results not in terms of “point”, but in terms of “functions”. Eventually it resulted in development of the modern object-oriented model approach. The wide spread of this approach witnesses the objective demand for this discipline, while in many aspects it remains in the intuitive (pre-paradigmal) phase of its development. The main reason for it is in the problem definition itself, which usually is formulated as the simulation of a given terminal. At the same time, the task is to assess the operational characteristics of the terminal engaged in processing of a given combination of cargo flows. Consequently, it is not the terminal that should be simulated, but the processes of cargo flows handling performed by this terminal under investigation. Another problem that restricts the practical spread of simulation is in the model adequacy. A model which adequacy is not proved has no gnoseological value at all. The paper describes the approach aimed at development of the models with the features discussed above.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 2; 321-326
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dry port as a lean and green strategy in a container terminal hub: a mathematical programming model
Autorzy:
Digiesi, Salvatore
Facchini, Francesco
Mummolo, Giovanni
Powiązania:
https://bibliotekanauki.pl/articles/406891.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
lean logistic
container terminal
material handling
container relocation problem
dry port
Opis:
Maritime freight transport represents an effective solution, allowing to ensure a low-impact service both under an economic and a sustainable perspective. As a consequence, in the last ten years, an increasing trend of goods transported by sea has been observed. In order to improve the terminal containers’ performance, recently published scientific studies shown the applicability of the ‘lean logistic’ concept as a strategic key for ensuring a continuous improvement of the logistic chain for inter-/intra terminal containers’ activities. According to this approach, the adoption of a dry port can positively affect terminal containers’ performance, but this requires resources and investments due to inter-terminal activities (e.g. transport of the container from port to dry port and vice versa). The purpose of the study is to develop a mathematical programming optimization model to support the decision making in identifying the best containers’ handling strategy for intermodal facilities, according to lean and green perspectives. Numerical experiments shown the effectiveness of the model in identifying efficient material handling strategies under lean and green perspective.
Źródło:
Management and Production Engineering Review; 2019, 10, 1; 14-28
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fundamental risk assessment in reduced data conditions in particular example
Autorzy:
Zając, M.
Valis, D.
Powiązania:
https://bibliotekanauki.pl/articles/2069668.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
risk assessment
container terminal
transhipment system
Opis:
The paper represents discussion about risk assessment for transhipment system in reduces data condition. As a particular example transhipment system is presented. Article can be treated as first estimation. Future work and objectives are characterized in the end.
Źródło:
Journal of Polish Safety and Reliability Association; 2009, 2; 381--386
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Container terminal as a queening transport networks
Autorzy:
Smolarek, L.
Wilczyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/241560.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
container terminal
queuing theory
queuing networks
Opis:
The queuing networks consist of several connected simple queuing system. In container terminal as an open network containers enter the queuing network from sea and landside, received adequately service at system and leave the network. Jackson’s network is simplest form of queuing networks, characterized by unlimited overall numbers of customers belong to the one class of customers. Customer – containers arrived' system with exponential arrival pattern (Poison or Erlang) and are served on single or multi-channel servers with exponential service time.Another case of queuing networks is network of Kelly with different classes of customers (containers) but each class of containers has fixed route (service model) in the transport system. The Baskett, Chandy, Muntz and Palacios – BCMP networks include different class of customers, with different queuing discipline and generally distributed time. Routes (service model) through the network may depend on the class of customers – containers, and the containers can change its class while passing through the system. This article describes different queuing networks, which can be used to modelling of the container terminal as a queuing transport network. The Queuing Theory may be used to determine the appropriate level of capacity required at container terminal and the staffing levels required at service facilities, over the nominal average capacity required to service expected demand. The model of the container terminal called a queuing network had better represent the real structure then a single system.
Źródło:
Journal of KONES; 2014, 21, 3; 265-270
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The concept of inland shipping service to the Container Terminal Świnoujście
Autorzy:
Wiśnicki, B.
Powiązania:
https://bibliotekanauki.pl/articles/360095.pdf
Data publikacji:
2013
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
inland shipping
containerisation
container terminal
hinterland connections
Opis:
In the paper the concept of the system of inland shipping connections to the proposed deep-water Container Terminal Świnoujście is presented. In the introduction argumentation for the container terminal in the port of Świnoujście investment is given. The terminal is briefly described in terms of its infrastructure and operating assumptions. In the next part, the determinants that affect connections between sea container terminal and its hinterland are discussed. The most important part of the work is devoted to the characteristics of the planned inland shipping connections, including: a description of the units, routes and organizational-economic assumptions. The work ends with conclusions that contain a description of the potential sea-land transport chains passing through the Container Terminal Świnoujście.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2013, 35 (107); 161-167
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling and simulation methodology for dynamic resources assignment system in container terminal
Autorzy:
Lu, B.
Powiązania:
https://bibliotekanauki.pl/articles/260155.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
container terminal
resources assignment system
modelling
simulation
Opis:
As the competition among international container terminals has become increasingly fierce, every port is striving to maintain the competitive edge and provide satisfactory services to port users. By virtue of information technology enhancement, many efforts to raise port competitiveness through an advanced operation system are actively being made, and judging from the viewpoint of investment effect, these efforts are more preferable than infrastructure expansion and additional equipment acquisition. Based on simulation, this study has tried to prove that RFID-based real-time location system (RTLS) data collection and dynamic operation of transfer equipment brings a positive effect on the productivity improvement and resource utilization enhancement. Moreover, this study on the demand for the real-time data for container terminal operation have been made, and operation processes have been redesigned along with the collection of related data, and based on them, simulations have been conducted. As a result of them, much higher productivity improvement could be expected.
Źródło:
Polish Maritime Research; 2016, S 1; 97-103
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation Based Lectures for Students in Logistics
Autorzy:
Bjorbæk, C. T.
Berg, Ø.
Schuett, H.
Dushenko, M.
Powiązania:
https://bibliotekanauki.pl/articles/342326.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Wydawnictwo Uniwersytetu Morskiego w Gdyni
Tematy:
simulation
port operations
container terminal
learning
logistics
Opis:
Automation and digitalization in logistic processes nowadays increase the complexity of logistic systems (supply networks, terminals and warehouses) and leads to highly linked systems. Their dimensioning as well as start-up and optimization of operational processes require technical assistance today. Simulation is used for understanding the behaviour of the seaport terminal and analysing the interaction of the complex processes at the terminal. This paper will show an investigation of the usage of specific port terminal simulator in the education of logisticians at university. It will show the effects of using simulation within the lessons in respect to the understanding of port operation and port simulation.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Gdyni; 2018, 106; 81-96
1644-1818
2451-2486
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Gdyni
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przykład oceny ryzyka systemu przeładunku kontenerów
Risk assessment using the example of a container transshipment system
Autorzy:
Zając, M.
Valis, D.
Powiązania:
https://bibliotekanauki.pl/articles/258096.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Eksploatacji - Państwowy Instytut Badawczy
Tematy:
analiza ryzyka
terminal kontenerowy
risk assessment
container terminal
Opis:
Artykuł stanowi dyskusję nad sposobem przeprowadzania analizy ryzyka dla systemu przeładunku kontenerów. W omawianym przypadku szczególne znaczenie ma fakt niepełnej wiedzy o elementach systemu. Dalsze prace nad problemem oszacowania ryzyka w warunkach niepełnej wiedzy zostały przedstawione w zakończeniu artykułu.
The paper represents a discussion about the risk assessment for a transhipment system in a reduced data condition. As a particular example, a transhipment system is presented. The article can be treated as first estimation. Future work and objectives are presented and considered in the concluding section of the paper.
Źródło:
Problemy Eksploatacji; 2010, 1; 41-49
1232-9312
Pojawia się w:
Problemy Eksploatacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Terminal kontenerowy jako uczestnik wymiany komunikatów w procesie transportu intermodalnego
Container terminal as a participant of message exchange in intermodal transport process
Autorzy:
Waldmann, M.
Powiązania:
https://bibliotekanauki.pl/articles/310208.pdf
Data publikacji:
2017
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
zarządzanie
transport intermodalny
terminał kontenerowy
management
intermodal transport
container terminal
Opis:
W artykule przedstawiono zagadnienie przepływu komunikatów w procesie transportu na lądowym terminalu kontenerowym. Przedstawiono charakterystykę i podział terminali lądowych, oraz wyodrębniono podmioty współpracujące z terminalem w procesie przewozu intermodalnej jednostki transportowej. Omówiono usługi zachodzące w procesie transportu, które dotyczą funkcjonowania terminala kontenerowego i na podstawie wybranych usług scharakteryzowano przepływy komunikatów pomiędzy interesariuszami, zarówno pod względem treści jak i formy przekazu komunikatu.
The article presents the issue of message exchange in the transport process at the inland container terminal. The characteristics and division of inland terminals were presented and the cooperating entities were identified. The services involved in the transport process that deal with the operation of the container terminal are discussed. Basing of the selected services, the flow of messages between stakeholders has been characterized, both in terms of the content and the form of communication.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 6; 1784-1790, CD
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficiency Container Ports in Brazil: A DEA and FDH Approach
Autorzy:
Cabral, Alexandra Maria Rios
Ramos, Francisco S.
Powiązania:
https://bibliotekanauki.pl/articles/14476432.pdf
Data publikacji:
2018-03-15
Wydawca:
Wyższa Szkoła Bankowa we Wrocławiu
Tematy:
DEA
FDH
container terminal
Brazilian ports
port efficiency
technical efficiency
Opis:
Aim: This study aims to evaluate the technical efficiency of 44 Brazilian port terminals that handled containers in 2016. The evaluation will first proceed by identifying the main benchmarks. It will then provide an analysis of variables that may have an effect on technical efficiency as well as the nature of their relationship with the latter--namely: container movement and specialized terminals.   Design / Research methods: In this work we apply the techniques of Data Envelopment Analysis and Free Disposal Hull. Output-oriented models were constructed, using three inputs - berth depth, berth length and number of berths, and three outputs - number of containers handled, medium board measured in container handled per hour of mooring, and medium consignment rate measured in container throughput per ship.   Conclusions / findings: The main results show that half of the terminals have an inefficient infrastructure, with capacity larger than necessary to meet current demand for transportation of containers. In addition, there is a strong relationship between the efficiency and size of a terminal port and between the efficiency and degree of specialization. Moreover, the private use terminal of (TUP) Itacal and public quay OCRIM can serve as benchmarks for most of the terminals.   Originality / value of the article: Relatively few works in the literature tried to measure technical efficiency for developing countries. Besides that, none of the works found regarding Brazilian ports have shown the scenario after promulgation of the Port’s Law in 2013, and only a few used container cargo as focus. This article is of interest for scientists of the sector, exporters/importers, and Brazilian Government officers interested in observing the effects of public policies aimed at the sector. We also suggest future work concerning the sector's improvements which can follow from our findings. 
Źródło:
Central European Review of Economics and Management; 2018, 2, 1; 43-64
2543-9472
Pojawia się w:
Central European Review of Economics and Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Weighted Goal Programming model for Storage Space Allocation problem in a container terminal
Autorzy:
Dhahri, Maryam
Mezghani, Mouna
Rekik, Ines
Powiązania:
https://bibliotekanauki.pl/articles/2141111.pdf
Data publikacji:
2020
Wydawca:
Fundacja Centrum Badań Socjologicznych
Tematy:
Storage Space Allocation Problem
Weighed Goal
programming
container terminal
Sfax seaport
Opis:
Storage Space Allocation Problem (SSAP) is defined as the temporary assignment of unloading/loading containers to the storage blocks during a planning period with the aim of balancing the workload between the blocks. Despite the widespread literature on this topic, several previous studies neglected the practical and implementation aspect of their solutions. The aim of this paper is to formulate and solve the real-life SSAP at the Sfax seaport situated in Tunisia. A Weighted Goal Programming (WGP) based-methodology is proposed as a multi-objective resolution approach. In this proposed approach, three objectives have been accorded including: (i) the balance between the containers unloaded in the blocks, (ii) the balance between the containers unloaded and loaded simultaneously, and (iii) the minimization of the storage cost of the loading/unloading containers for each period. Experimental results show that the proposed approach provides good results and can be effective and practical for the studied Sfax seaport case study.
Źródło:
Journal of Sustainable Development of Transport and Logistics; 2020, 5, 2; 6-21
2520-2979
Pojawia się w:
Journal of Sustainable Development of Transport and Logistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Group-Bay stowage planning problem for container ship
Autorzy:
Shen, Y.
Zhao, N.
Mi, W.
Powiązania:
https://bibliotekanauki.pl/articles/258722.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
container terminal
Group-Bay stowage plan
terminal stowage plan
hybrid GA
Opis:
Stowage planning is the core of ship planning. It directly influences the seaworthiness of container ship and the handling efficiency of container terminal. As the latter step of container ship stowage plan, terminal stowage planning optimizes terminal cost according to pre-plan. Group-Bay stowage planning is the smallest sub problem of terminal stowage planning problem. A group-bay stowage planning model is formulated to minimize relocation, crane movement and target weight gap satisfying both ship owner and container terminal. A GA-A* hybrid algorithm is designed to solve this problem. Numerical experiment shown the validity and the efficiency.
Źródło:
Polish Maritime Research; 2016, S 1; 152-159
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multiequation models as diagnostic tools for measuring the operational fluidity of the container handling terminal
Autorzy:
Zadrąg, R.
Pac, B.
Powiązania:
https://bibliotekanauki.pl/articles/2073606.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
multi-equation models
simulation
container terminal
modele wielorównaniowe
symulacja
terminal kontenerowy
Opis:
The article presents the continuation of the authors’ research on the problem of the operational fluidity of cargo handling sea terminals, based on the example of the DCT. The article presents a solution based on the multiequation models and applied to analyze the operational fluidity of terminals in the transshipment and feeder relation. To provide a solution to the problem of the functioning of sea-land supply chains at the terminal, the GRETL software has been applied.
Źródło:
Journal of Polish CIMEEAC; 2017, 12, 1; 125--137
1231-3998
Pojawia się w:
Journal of Polish CIMEEAC
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 33

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