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Proceedings Paper

Measurement of temperature profile of concrete structures with embedded fiber Bragg grating sensors and thermocouples
Author(s): Yong Wang; Chuan Swee Tjin; Xiaoming Sun; Yee Ling Tan; Sau Choeng Fan
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Paper Abstract

It is known that certain design consideration must be given to the concrete structures to cater for possible ambient temperature variations. The thermal stress that results from these changes can cause damage in concrete structures ifthey are restrained or ignored in the design stage. The thermal effects in concrete structures are mainly due to the surrounding environmental conditions and some other special effects, such as the heat of hydration during construction and casting of the bitumen. In this paper, we present our preliminary results on monitoring the non-linear temperature profiles of simulated bridge decks due to various environmental contributing factors using fiber Bragg grating (FBG) sensors and thermocouples. We will also present the data on the variations of the temperature profiles in the concrete due to different thickness of the bitumen topping.

Paper Details

Date Published: 21 March 2001
PDF: 10 pages
Proc. SPIE 4235, Smart Structures and Devices, (21 March 2001); doi: 10.1117/12.420870
Show Author Affiliations
Yong Wang, Nanyang Technological Univ. (Singapore)
Chuan Swee Tjin, Nanyang Technological Univ. (Singapore)
Xiaoming Sun, Nanyang Technological Univ. (Singapore)
Yee Ling Tan, Nanyang Technological Univ. (Singapore)
Sau Choeng Fan, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4235:
Smart Structures and Devices
Dinesh K. Sood; Ronald Albert Lawes; Vasundara V. Varadan, Editor(s)

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