| 摘要 |
A safety diagnosis apparatus for pillars of an arch tunnel is provided to sense the inclination of the pillar in advance and thus to perform maintenance and repair of the pillar at proper time. A safety diagnosis apparatus for pillars of an arch tunnel comprises diagnosis tubes(10,10a,10b,10c), bearing discs(20,20a), tube frames(30,30a,30b,30c) and an administrator terminal(40). The diagnosis tube includes a supporting plate(13) and a contact recess(12). The bearing disc includes fix grooves(21,21a,21b,21c), insertion holes(22,22a), and a coupling hole(24) to be fixed on the floor by an anchor bolt(24a). The tube frame includes a sensor fixing unit(33) with a sensor hole(33a) in which switch sensors(34,34a,34b,34c) equipped with a press bar(34d) are mounted.
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