Bulletin of Japan Association for Fire Science and Engineering
Online ISSN : 1883-5600
Print ISSN : 0546-0794
ISSN-L : 0546-0794
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  • Yasushi OKA, Shinji OGAWA, Taishi MASHITA, Yushi ITO, Yukihisa KURIYAM ...
    2018 Volume 68 Issue 2 Pages 35-43
    Published: August 30, 2018
    Released: November 09, 2019
    JOURNALS RESTRICTED ACCESS

    Physical monitoring is useful for getting a better occupational safety management though improving the efficiency of firefighting activities, preventing incidents and accidents during activities, and reducing human errors caused by losing concentration. We proposed indices for indicating anaerobic status, which can be acquired noninvasively based on a frequency analysis of electrocardiographic information. Deviation from the aerobic metabolism status can be used as the alert threshold for "continuation of activity". The continuation of anaerobic metabolism status is also utilised for determining the alert threshold for "stop of activity". The alert threshold was set based on several kinds of tests which vary the temporary imposed load intensities and its effectiveness was validated.

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  • Hai Duy Bui, Masayuki Mizuno
    2018 Volume 68 Issue 2 Pages 45-62
    Published: August 30, 2018
    Released: November 09, 2019
    JOURNALS RESTRICTED ACCESS

    In Vietnam, fire safety regulations are applied only to buildings not higher than 50 m (75 m for only apartments) in height. The Vietnamese government has to find a solution to upgrade them. In the past study, Hagiwara and Tanaka conducted an international comparison of fire safety regulations on means of escape among several industrialized countries. In this study, a review was conducted on means of escape required in Vietnam, Singapore, Japan, Australia, and the USA based on their research. The provision of refuge areas inside buildings was added as a new component for comparison, and functional requirements on means of escape were used to analyze the current situation of Vietnam Building Code on Fire Safety of Buildings. This study has found some insufficiencies of it such as a lack of provisions on common path of travel, maximum travel distance from any point in a room to exit stairs and refuge area. Furthermore, this study gives suggestions to extend the application of the Vietnam Builing Code to buildings greater than 75 m high and suggests an additional functional requirement on means of escape named "availability of safe space for temporary refuge during a fire" to enhance evacuation safety of high-rise buildings.

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