| 摘要 |
PURPOSE: An optical fiber sensor for detecting the fire or deformation of a construction structure using a free type optical fiber sensing part is provided to be applied to an underground structure of a cable passage. CONSTITUTION: An optical fiber sensor for detecting the fire or deformation of a construction structure comprises a supporting member(200), optical fiber sensing parts, a integrated movable hollow core(300) and a freestyle optical fiber sensing part. A conduct type through hole(201) and a freestyle through hole(203) are formed on the core part of the supporting member. The optical fiber sensing part is settled on the conduct type through hole in order to move along with the supporting member.
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