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Paper Abstract and Keywords
Presentation 2014-12-15 14:45
A basic study of measurement for fire damage level in concrete using high-intensity aerial ultrasonic waves and optical instrument -- Relationship between heated temperature and vibration velocity in concrete --
Masakatsu Enomoto, Ayumu Osumi, Youichi Ito (Nihon Univ) US2014-68
Abstract (in Japanese) (See Japanese page) 
(in English) Fire-damaged diagnosis of the concrete includes various method including the physical or chemical examination. We proposed a new method of a fire-damaged diagnosis by nondestructiveness and contactless method. Specifically, concrete surface generated forced excitation by high-intensity aerial ultrasonic waves and obtain fire-damaged information of the concrete surface by analyzed vibration properties. However, the building is to be repaired, it is necessary to determine the extent and cost of the work. In addition, it is also important to determine the level of fire damage within concrete sample, particularly along the depth direction, in order to determine the extent of necessary repairs. Therefore we dig a small hole of around 10mm in diameter into the concrete and attempt to detect fire-damaged the concrete using the vibration characteristic. In this report, we examine to make an internal fire-damaged diagnosis of the concrete sample which buried plural thermocouples.
Keyword (in Japanese) (See Japanese page) 
(in English) High-intensity ultrasonic waves / Noncontact exciting / Nondestructive method / Concrete / Fire-damaged diagnosis / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 363, US2014-68, pp. 17-22, Dec. 2014.
Paper # US2014-68 
Date of Issue 2014-12-08 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF US2014-68

Conference Information
Committee US  
Conference Date 2014-12-15 - 2014-12-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology, Suzukakedai Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) High Power Ultrasound, General 
Paper Information
Registration To US 
Conference Code 2014-12-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A basic study of measurement for fire damage level in concrete using high-intensity aerial ultrasonic waves and optical instrument 
Sub Title (in English) Relationship between heated temperature and vibration velocity in concrete 
Keyword(1) High-intensity ultrasonic waves  
Keyword(2) Noncontact exciting  
Keyword(3) Nondestructive method  
Keyword(4) Concrete  
Keyword(5) Fire-damaged diagnosis  
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1st Author's Name Masakatsu Enomoto  
1st Author's Affiliation Nihon University (Nihon Univ)
2nd Author's Name Ayumu Osumi  
2nd Author's Affiliation Nihon University (Nihon Univ)
3rd Author's Name Youichi Ito  
3rd Author's Affiliation Nihon University (Nihon Univ)
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Speaker Author-1 
Date Time 2014-12-15 14:45:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2014-68 
Volume (vol) vol.114 
Number (no) no.363 
Page pp.17-22 
#Pages 6 
Date of Issue 2014-12-08 (US) 

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