Doboku Gakkai Ronbunshu
Online ISSN : 1882-7187
Print ISSN : 0289-7806
ISSN-L : 0289-7806
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Volume 1998, Issue 583
Displaying 1-13 of 13 articles from this issue
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  • A STUDY OF THE SATELLITE CITY'S DIFFERENT POPULATION BY COMMUTATION TIME
    Horoshi Shibagaki
    1998 Volume 1998 Issue 583 Pages 1-12
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.1
    JOURNAL FREE ACCESS
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    This study is to analyze the governing factors using the regression analysis method to conclude that the shortening of the commutation time can con tribute to the population increase of the satellite cities. Population density of satellite cities within the area are closely related to the trip time from the satellite cities to the business center of Tokyo. The population densities of the cities are depicted by using the exponential distribution curve.
    The commutation time is one of the most important factors which governs the population distribution curve. However the other factors affect the curve considerlably.This study got desirable consequence by applied regression analysis method.
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  • AN ANALYSIS OF WHOLESALERS' ACTIVITY AND THEIR HISTORICAL TREND IN JAPAN
    Kazuhiko Ishiguro, Hajime Inamura, Yoshiyuki Tokunaga
    1998 Volume 1998 Issue 583 Pages 13-22
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.13
    JOURNAL FREE ACCESS
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    Wholesale industries have been playing a center role in physical distribution. It is necessary to make deep insight of their behavior to solve a traffic problems in urban area. This paper discusses the historical trend of the wholesale industries and degree of agglomeration of them comparing with production and population by region. It was found that wholesale industry has been shifting their location to demand cities, places of monetary transaction and those of physical distribution have been separating, physical distribution by retail salers is increasing. In addition, multi-levels structure of interregional transaction among wholesalers has analyzed.
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  • STUDY A PORT SPACE MODEL TO EXPLAIN PORT CHARACTERISTICS BY PRODUCTION FUNCTION
    Hironao Takahashi, Koshi Yamamoto
    1998 Volume 1998 Issue 583 Pages 23-32
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.23
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    The port space, which is composed of land area and water area, has produced various charatenstics on goods-distribution, manufacturing industry, human living and waterfront recreation.
    This paper proposes a port space model applied to prodution function to explain port characteristics by some factors related on various stocks to port space.
    As case study, the space characteristics of Port of Kashima are discussed through this model. As the result of case study, the propriety of this model has been confirmed.
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  • A MID-TERM FORECASTING OF TRADE COEFFICIENTS FOR AN INTERNATIONAL TRADE FORECAST MODEL
    Hajime Inamura, Tatsuhito Kouno, Yoshiyuki Tokunaga, Hiroyuki Takemura
    1998 Volume 1998 Issue 583 Pages 33-40
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.33
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    In order to estimate the international trade flow, it is necessary to build a trade coefficient estimation model in conjunction with each domestic econometric model. The trade statistics published by United Nation is the most valuable data for this purpose, however, it has many problems to use directly. This paper first discusses the reasons behind of the inconsistency of the data and missing data, then, proposes a model for data adjustment. The paper next proposes a model to estimate trade coefficients in the future. Applying the model to the trade between United State and Japan, the validity and applicability of the model have confirmed.
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  • DEVELOPMENT OF 3-D EVACUATION SIMULATION SOFTWARE BY USING A PERSONAL COMPUTER AND ITS EVALUATION
    Kouichi Takimoto, Fusanori Miura, Makoto Hara
    1998 Volume 1998 Issue 583 Pages 41-50
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.41
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    This paper presents the development of evacuation simulation software on a 3 dimensional image by using a personal computer. This simulation software consists of “data editor” by which users can simply construct simulated spaces such as underground shopping centers or department stores and “simulator” by which users can simulate evacuation in the spaces which are constructed by the data editor.
    To evaluate this software, we tried to explore wayfinding behavior by experiment using two kinds of mazes which were constructed by data editor. We found that three typical characteristics of wayfinding behavior were derived: first, tendency to go straight, second, tendency to turn frequently and third, tendency to choose paths where they walked before.
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  • FUNCTIONAL HIERARCHY OF A ROAD NETWORK AND ITS RELATIONS TO TIME RELIABILITY
    Yasuo Asakura, Masuo Kashiwadani, Ken-ichiro Fujiwara
    1998 Volume 1998 Issue 583 Pages 51-60
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.51
    JOURNAL FREE ACCESS
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    This paper aims to show the relations between the time reliability and the functional hierarchy of a road network. For given functions of links, two measures of network hierarchy are proposed. The network User Equilibrium with variable demand and stnct link capacity constraint is applied for calculating travel times between an OD pair of the network with some degraded links. Reliability is defined as the probability of whether travel time is kept within an acceptable level, and an approximation algorithm common for calculating reliability models is proposed. Numerical examples suggest that improving functional hierarchy will increase the time reliability of a road network
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  • TIME DOMAIN ANALYSIS METHOD FOR TRACK/WHEEL INTERACTION
    Masaru Furuta, Kazuhisa Abe
    1998 Volume 1998 Issue 583 Pages 61-70
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.61
    JOURNAL FREE ACCESS
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    A time domain numerical method is constructed for dynamic interaction analysis of wheel and track, so that nonlinearity of the system can be introduced. The rail is described as an Euler beam and the deflection is expressed by a time domain integral representation. The wheel and sleepers are modeled as masses. Stability of the dynamic analysis is augmented by introducing the compatibility into contact forces acting between the three subsystems. A time integration scheme for spring, damper and mass system in which the contact forces consist with that of the beam model is derived based on integral equation method. Influence of nonliriearity in rail pad on the dynamic response is investigated using the proposed method.
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  • OPTIMIZATION OF THE SIZE AND LOCATION OF LOGISTICS TERMINALS
    Eiichi Taniguchi, Michihiko Noritake, Tadashi Yamada, Toru Izumitani
    1998 Volume 1998 Issue 583 Pages 71-81
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.71
    JOURNAL FREE ACCESS
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    This paper addresses a model to determine the optimal size and location of logistics terminals which are planned together with interchanges of expressways around large cities. This model uses the queuing theory and nonlinear programming and explicitly takes into account the traffic conditions of road networks. Genetic algorithms are adopted to rapidly obtain the approximate solution for large scale nonlinear optimization problems. The model is successfully applied to an actual road network in the Kyoto-Osaka area. Three objective functions are considered, such as the total costs, the emission of CO2 and the total travel time costs, and the calculated results are examined in detail.
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  • ANALYSIS ON GEOGRAPHICAL AND SOCIAL FACTORS TO FORM VOLUNTARY ORGANIZATIONS FOR DISASTER PREVENTION IN NAGASAKI CITY
    Kazuo Takahashi, Shogo Abiru, Takeshi Fukushima, Yuri Nakamura
    1998 Volume 1998 Issue 583 Pages 83-94
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.83
    JOURNAL FREE ACCESS
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    The heavy rain which swept over the Nagasaki districts on 23 July 1982, killed 299 persons. Voluntary organizations for disaster prevention were formed to promote and make sure of evacuation of inhabitants by leadership of Nagasaki City. However, the ratio of voluntary organizations to town associations is about 35% and this ratio is not increasing.
    In this paper, analysis on voluntary organizations for disaster prevention in Nagasaki City is reported. Questionnaire survey and chart for disaster prevention in Nagasaki City analyzed by the cross method and the multi-dimensional quantification theory.
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  • ANALYSIS OF THE RECONSTRUCTION PROCESS OF BUILDINGS IN THE DAMAGED AREA OF THE GREAT HANSHIN-AWAJI EARTHQUAKE
    Michiyasu Odani, Hiroyuki Hino, Manami Hihama, Mami Horikiri
    1998 Volume 1998 Issue 583 Pages 95-101
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.95
    JOURNAL FREE ACCESS
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    The authors have carried out a survey on the removal and reconstruction of collapsed buildings in the eastern part of Higashinada Ward in kobe City after Great Hanshin-Awaji Earthquake. In this study, on the basis of the results of our survey during a year after the earthquake, we analyzed changes in the number of the removed and reconstructed buildings in the study area, and visualized changes in the landscape of the buildings before and after the earthquake by Computer Graphics. As a result, the characteristics of distribution of damaged buildings in the area are shown and it is found that the reconstruction of the buildings have made little progress.
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  • THE THIRD INTERNATIONAL SYMPOSIUM ON INTERSECTIONS WITHOUT TRAFFIC SIGNALS
    Haruo Ozaki
    1998 Volume 1998 Issue 583 Pages 103-104
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.103
    JOURNAL FREE ACCESS
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  • THE EIGHTH MEETING OF THE INTERNATIONAL ASSOCIATION OF TRAVEL BEHAVIOUR RESEARCH
    Toshiyuki Yamamoto, Satoshi Fujii
    1998 Volume 1998 Issue 583 Pages 105-106
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.105
    JOURNAL FREE ACCESS
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  • THE 2ND CONFERENCE OF THE EASTERN ASIA SOCIETY FOR TRANSPORTATION STUDIES
    Kazuhiko Ishiguro, Hajime Inamura
    1998 Volume 1998 Issue 583 Pages 107-108
    Published: January 20, 1998
    Released on J-STAGE: August 24, 2010
    DOIhttps://doi.org/10.2208/jscej.1998.107
    JOURNAL FREE ACCESS
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