| 摘要 |
PROBLEM TO BE SOLVED: To provide structure for fitting a sensor which detects breakage of a tension material used for a prestressed concrete structure, so as to perform high-precision detection and to be exchangeable easily. SOLUTION: The sensor fitting structure to the concrete structure is composed of a drilled hole 5 formed in the prestressed concrete structure 1 from its surface up to the periphery of the buried position of the tension material 2 towards the position, a cylindrical holder 8 stuck to the internal surface of the drilled hole 5 and made of a material whose elastic coefficient is smaller than that of concrete, a jig 11 to which the sensor 10 fitted in the cylindrical holder 8 in such a way as to be detachable or attachable freely is fitted toward the tension material 2 side at the tip of the jig, and a filler 16 which fills up the cylindrical holder 8. COPYRIGHT: (C)2004,JPO
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