AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
Volume 28, Issue 69
Displaying 51-96 of 96 articles from this issue
Architectural Planning and Design
Rural Planning
Urban Planning
  • Collecting Statistics from the Databases of All Over Japan and Aichi Prefecture
    Yoichi IMAMURA
    2022Volume 28Issue 69 Pages 882-887
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    In the early Showa period, there were 60,000 ryoteis and 20,000 okiyas and 80,000 geishas. Tokyo, Osaka and Aichi had many geishas, but the number of geisha per capita was the highest in Ishikawa. The number of geisha decreased during the Showa Depression and increased during the Sino-Japanese War. In Aichi, most of machiai-chayas were in Nagoya. Nagoya had many ryoteis, okiyas and geishas, but the number of geisha per capita exceeded Nagoya’s one in some areas. In Aichi, few areas had the changes in the number of geisha were on downward trends.

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  • - Relationship amongst Coordinated Core Metropolitan Area, City Planning Area and Living Sphere -
    Shogo MORI, Miki MURAKI, Daisuke SUNAGA
    2022Volume 28Issue 69 Pages 888-893
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    To tackle current issue such as declining and elder population, regional planning is one of the key programs for local municipalities. So, this paper deals with the unit of regional compact city policy and attempts to clarify the functional unit in the region across current border of municipalities. From the analysis such as Coordinated Core Metropolitan Areas, population size, city planning areas, living spheres and questionnaire survey, large cities tend to have positive answers for Regional Compact City Policy but small cities. Therefore, decision-making mechanism should be cleared between member municipalities.

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  • Sota KAMIGAUCHI, Michio OKAMATSU, Junhwan SONG
    2022Volume 28Issue 69 Pages 894-899
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    This study is to clarify the transition of the vicinity of Fukuyama castle focused on the historical remains related to the castle. By clarifying the transition, we aim to utilize the historical remains for revitalizing local cities as their characteristics. It is not only for visitors but also for their citizens to arouse a feeling of “Civic Pride”. Our final goal is to make the findings of this study as a basic information for formulation of City Planning of Fukuyama and of other local cities which have the similar issues of losing its attractiveness and of population decline.

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  • Aya HAGIHARA, Shinji IKARUGA, Takeshi KOBAYASHI, Rei SHIRAISHI
    2022Volume 28Issue 69 Pages 900-905
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    This study focuses on cases where stations and medical facilities were integrally developed, offering knowledge about planning methods for the city center revitalization. First, we defined 35 districts with a redeveloped railway station alongside medical facilities development after the 2000s. Second, we conducted a questionnaire survey with the municipalities about these developments and the outputs contributing to urban regeneration. Finally, we organized the results by types of medical facilities. Then, we assess the characteristics of planning methods done and the effects observed.

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  • - For visioning urban space after COVID-19 -
    Taku GOTO, Shota TAMURA, Takahiro TANAKA, Makoto TSUKAI
    2022Volume 28Issue 69 Pages 906-911
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    At present, the spread of COVID-19 has caused many infections in our country, which have not yet been brought under control. The government declared a state of emergency in April 2020 and requested the public to refrain from going out unnecessarily. The impact of the spread of COVID-19 is not only threatening people’s lives and health, but also the economy and people’s action and attitudes. Therefore, in order to study the future of the town planning, this study clarified the changes of staying population due to COVID-19 from the viewpoint of land use.

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  • Example of Wakasa Uriwari eco-housing estates
    Shinji NOJIMA, Shutaro ISHIHARA
    2022Volume 28Issue 69 Pages 912-917
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    The purpose of this study is to present the planning method and process of the infill-type housing estate in Wakasa Town, and to clarify the effect of environmental improvement and community reorganization after the project. The research results are as follows. This housing estate has many young households, which has a positive effect on the age balance of the district, and U-turn households promote parent-child ties. The landscape is full of greenery and is used by the local residents, which has a positive effect. It forms a community with the village by participating in various district events and activities.

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  • -For using Yato topography as a green infrastructure-
    Makoto YOKOYAMA, Yui SASAKI, Kaoru MATSUO, Takahiro TANAKA
    2022Volume 28Issue 69 Pages 918-923
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    Green Infrastructure (GI) which utilizing various function of natural recourses for resolving social issue is necessary to correspond with the bad effects seems to be caused by climate change, such as urban warming and increasing floods in recent year. This study aims to proposing design guideline for using small valley called “Yato” as GI effectively and we evaluated the thermal (air temperature) and water environment (flow rate) in some of them in Yokohama. All Yato in Yokohama are also classified six types based on these results, and countermeasures to improving thermal and water environment were suggested for each type.

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  • Kosuke MASUO, Akira KANEHIRO, Young Bum KIM, Rei MOMII, Hiroko WADA
    2022Volume 28Issue 69 Pages 924-928
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    In this study, we set four challenges to overcome in rebuilding the historic buildings that were extensively damaged by the tsunami. The four issues are (1) financing and system construction, (2) emergency restoration of damaged buildings and infrastructure restoration, (3) time-limited reconstruction schedule issues, and (4) legal compliance issues. The authors have constructed and practiced solutions to these four problems and demonstrated certain effects.

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  • Yujie REN, Shichen ZHAO
    2022Volume 28Issue 69 Pages 929-934
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    In this study, we proposed a new analysis method of cognition preferences for urban landscapes based on machine learning algorithms and SNS data. Benefiting from the high performance of machine learning algorithms and the diversity of SNS data, this new framework can not only accurately estimate urban residents’ subjective evaluation of urban landscapes but also quantitatively compare the cognition preferences of residents with different characteristics.

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  • Yuichi SUESHIGE, Yu SATO
    2022Volume 28Issue 69 Pages 935-940
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    To prevent graffiti, a private business operator is conducting a project involving the posting of outdoor advertisements on walls surrounding Shibuya station, as requested by the owners of these walls. In this study, the project status and influence of changing the graffiti on the walls to advertising on the landscape impression of visitors are evaluated. The results indicate that wall owners can not only reduce the damage caused by graffiti but also earn advertising revenue. Moreover, the impression of visitors, in terms of the liveliness, calmness, and security of the landscape, is enhanced.

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  • Chihiro ARIHARA, Yusuke YABUTANI, Kohei AKUI, Toshiyuki NUMA
    2022Volume 28Issue 69 Pages 941-946
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    In this study, we implemented the street furniture “BOLLARD TABLE” at the Oote-Mall in the central area of Toyama City, and verified its effectiveness. As a result, it was found that the “BOLLARD TABLE” creates a well-designed staying space that gives users a sense of openness and the character of the Oote-Mall. These findings will provide insights for the development of street furniture that provides a new way to enjoy urban space while ensuring safety considering the COVID-19 pandemic.

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  • -For award systems of prefectures and prefectural capitals-
    Shion TATSUMI, Ryo INOUE
    2022Volume 28Issue 69 Pages 947-952
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    The purpose of this paper is to explore the trends in the national award system and to identify the actual conditions and issues. We identified national trends in terms of establishment history, objectives and age. In addition, focusing on the regional characteristics of the award systems, we investigated the contents of the judging and the actual situations of public participation. As a result, we found that few systems are open to the community and few opportunities to be directly involved in the evaluation of works.

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  • Toshiya YAMAMOTO, Ryo TAGUCHI
    2022Volume 28Issue 69 Pages 953-957
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    This study analyzed the operational status of 18 districts to which the tsunami reconstruction base development project established for the reconstruction after Great East Japan Earthquake was applied. As a result, the following three points were mainly clarified. Of the 7 districts that were gradually expanded, 5 districts including the land readjustment project were 10ha or less, and 5 districts with an applicable area of 5ha or less were slow to introduce the project and only public facilities were developed. 7 districts with more than 10ha were not merged with the land readjustment project except Rikuzentakata City.

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  • - Comparison of students’ behavior between before COVID-19 pandemic and restriction period, and significance of campus space -
    Naoko SAIO, Masashi MAEMOTO, Takao OZASA, Yoshiaki IKEUCHI, Kazuhisa T ...
    2022Volume 28Issue 69 Pages 958-963
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    Due to COVID-19, university campuses have been closed since April 2020, and campus space usage was restricted. The significance of campus space will be discussed by comparing the campus use by the students before and after the self-restraint. A web-based questionnaire survey was conducted on 6,789 students to identify the actual situation of activities such as classes and interactions, as well as their keen opinions through open-ended responses. Restrictions on campus use lead to the loss of interaction and campus spaces for students to study and to live. This research clarifies the significance of campus space for future campus planning.

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  • −Collaboration with the City for Campus Re-opening in the City of Boston, Massachusetts, United States−
    Kengo MITSUI, Naoko SAIO
    2022Volume 28Issue 69 Pages 964-969
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    The global spread of COVID-19 has forced many universities to close their doors. In the city of Boston, the government assisted institutions to use off-campus spaces for institutional use on a temporary to re-open the campus. This study focuses on the universities and the city of Boston and finds out the background and contents of the policy and details of temporary uses. In conclusion, the existing institutional planning code helped to promote the communication smoothly between universities and communities for temporary uses. Furthermore, this study shows hotels in the city were used as student dorms for de-densification, isolation, and quarantine.

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Architecture System and Management
  • Masaki SAWADA, Masamichi KAWAKAMI, Shin-ichi OKUYAMA
    2022Volume 28Issue 69 Pages 970-975
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    By analyzing Architecture-disputes found in architecture journal articles about building defects, there were four types of liability. According to these four types, we made pathways for architects as designers shall see things from different angles, clients shall understand the project and explain to neighbors, designers and supervisors shall coordinate with the project party after design phase and supervisors shall be aware of being the last barrier against building defects.

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  • Website posts contributed by the general public
    Naonari YAJIMA, Taisuke SADAYUKI
    2022Volume 28Issue 69 Pages 976-981
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    This paper provides the first statistics on stigmatized properties in Tokyo, Japan, based on information posted by the general population on the website oshimaland.com. The data suggest that events are more likely to be posted when they are more recognizable to the public. In concrete terms, ratios of the numbers of posted events to the numbers of deaths reported in government statistics are much higher for homicides and fires than for suicides and solitary deaths. In addition, most deaths by homicides and fires are posted immediately after the events occur, whereas other events take longer to be posted. 

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  • Jun IWAMATSU, Kazuyoshi ENDO
    2022Volume 28Issue 69 Pages 982-985
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    Anyone can calculate the building unit price obtained from the building start statistics relatively easily. It is useful for capturing a macro view of the building market, and there is a great need for its use in architectural planning. However, if the stratification of the attributes of the observed data is extremely advanced, the number of data may be too small, and interpolation and smoothing are required for good estimation. In this paper, some of the basic and concrete methods are shown based on the examples, and the technical framework that enables the appropriate methods is presented.

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  • - Targeting OmniClass and Uniclass2015 –
    KIEU Tri Cuong, Kazuya SHIDE
    2022Volume 28Issue 69 Pages 986-991
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    In this study, we construct the constructure of WBS using classification system and analyze the possibility of using unified building information throughout the construction process in order to improve the efficiency of construction project management. Specifically, we assume WBSs using a combination of UniFormat and MasterFormat tables of OmniClass, Elements/Functions and Systems with Products tables of Uniclass2015, which are known as international standard classification systems, and construct quantitative analysis inside per table and in association of tables. Furthermore, we consider the feasibility of unifying building information according to WBS using the two concepts of separability and structural comprehensiveness.

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  • -A survey of real estate agencies in the Toshima municipality of Tokyo-
    Yurika KANAZASHI, Taisuke SADAYUKI, Takako KOIKE
    2022Volume 28Issue 69 Pages 992-997
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    In Japan, the number of people facing difficulty in finding rental housing remains high. To address this issue, it is essential to investigate the underlying mechanisms from the perspective of renters, owners, and real estate agencies. We conducted a survey of real estate agencies in the municipality of Toshima, Tokyo, and found that agencies that had more business experience, that were better informed about the public subsidy system, and that engaged not only in brokage but also in leasing services tended to make more contracts with renters in need. Promoting the reutilization of vacant housing would be a potential solution.

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History and Theory of Architecture
Information Systems Technology
Education
Disaster
  • -Case study of Sagara Village, Kuma-gun, Kumamoto Prefecture -
    Masumi SUZUKI, Yoshie MATSUMOTO, Noritaka KIMURA, Kenichi HASEGAWA, Ta ...
    2022Volume 28Issue 69 Pages 1066-1071
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    This study investigates the actual conditions of houses flooded by the 2020 Kyushu floods, and reports on the recovery procedures. The recovery procedures were organized in the chronological order based on the records of the technical guidance provided by the authors. The recovery process chart clarified the work process and the number of people required. In addition, the authors interviewed the victims and summarized the recovery work and period of one year after the disaster. It was found that it was difficult for residents to work alone immediately after the disaster and that it was necessary to secure personnel.

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  • Toshihiko MIZUTA, Hiroshi KAGAMI
    2022Volume 28Issue 69 Pages 1072-1077
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    The 1964 Niigata earthquake is one of the biggest one occurred in the Japan Sea and caused various damage to the wide area. In the previous paper, the authors reexamined damage at Akita prefecture using local newspaper articles and appearance of various damage in spite of longer epicentral distance of more than 100 km was pointed out. In this paper, damage in the whole affected areas excepting the Niigata prefectures is discussed with reports and newspaper articles at that time. Detailed damage by local municipality is listed in a table and its spatial distribution is discussed.

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  • Kazuyoshi NISHIJIMA, Toru TAKAHASHI, Eriko TOMOKIYO
    2022Volume 28Issue 69 Pages 1078-1082
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    Typhoon Jebi in 2018 and typhoon Faxai in 2019 have revealed that the housing stock in Japan is wind vulnerable. In the face of the emerging climate change impact, it is an important and urgent matter to upgrade wind-vulnerable housing stock. For this, the upgrading of damaged houses, which are proved to be wind vulnerable, is most efficient. However, this is usually not happening. This study investigates the situation of the rehabilitation of the damaged houses by field and questionnaire surveys, focusing areas affected by typhoon Faxai and its vicinity, illustrating what hinders upgraded repair.

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  • Tsubasa OKAZE, Eriko TOMOKIYO, Hideki KIKUMOTO, Yoshihide TOMINAGA, Yi ...
    2022Volume 28Issue 69 Pages 1083-1088
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    This study reports the results of a post-disaster survey for residential environment in Chiba Prefecture after Typhoon Faxai on Sep. 9, 2019. Besides to damage surveys for houses caused by strong winds, questionnaire surveys on the residential environment, which inquired about the change of the residential environment after the disaster, were conducted. As the damage of roof becomes severe, the number of houses responding to “water leakage” increases. When the damage ratios of the roof were 10%, the response rate to “water leakage” was 30%.

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  • Eriko TOMOKIYO, Kazuyoshi NISHIJIMA
    2022Volume 28Issue 69 Pages 1089-1094
    Published: June 20, 2022
    Released on J-STAGE: June 20, 2022
    JOURNAL FREE ACCESS

    This study reports structural characteristics of damaged houses and cause of roof damage due to Typhoon Faxai. The field survey was conducted in three areas of Chiba Prefecture. It was found that the damage rate in these areas was about 60%. Damage to houses equipped with roof tile was remarkable, whereas the rate of damaged houses decreased as the building age became younger. Younger houses tend to have slight damage to roof and its cause was often wind-born debris from neighbor with damage due to strong winds during typhoon.

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