Application of a new measuring method using an optical fiber strain sensor to an underground tunnel

被引：0

作者：

Fukuro, Atsusshi ^{[1
]}

Torigoe, Toshihiko ^{[1
]}

Mizuguchi, Hiroyuki ^{[1
]}

Ueda, Takao ^{[1
]}

机构：

[1] Univ Tokushima, Dept Civil Engn, Tokushima 7708506, Japan

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2006年 / 20卷 / 25-27期

关键词：

optical fiber sensor; B-OTDR; maintenance; measuring method;

D O I：

10.1142/S0217979206040210

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The measuring methods using optical fiber strain sensors are being considered as structural monitoring technologies for concrete structures. B-OTDR method using optical fiber strain sensors can measure continuous strain along an optical fiber over 80km. Because of this advantage, it is expected to measure deformations in large-scale structures. But, this new measuring method, B-OTDR method, is just in development. There is very few case of applying this measuring method to actual structures. This paper describes a new measuring method using optical fiber strain sensors (B-OTDR method) applying to an actual concrete underground tunnel which was expected to deform by new shaft work near this tunnel. As a result, this method using optical fiber strain sensors can measure the deformation of the underground tunnel.

引用

页码：3692 / 3697

页数：6

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