STRUCTURE WITH FATIGUE DIAGNOSTIC FUNCTION AND ITS FATIGUE DIAGNOSTIC METHOD

PROBLEM TO BE SOLVED: To reliably prevent fatigue fracture by improving reliability in fatigue diagnosis on structures such as light poles and sign poles in roads. SOLUTION: A fatigue diagnostic device 20 is integrally incorporated in an light pole 10 with a fatigue diagnostic function from the begi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA SATOSHI, SAKAI YOSHINAGA
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reliably prevent fatigue fracture by improving reliability in fatigue diagnosis on structures such as light poles and sign poles in roads. SOLUTION: A fatigue diagnostic device 20 is integrally incorporated in an light pole 10 with a fatigue diagnostic function from the beginning of its installation. The fatigue diagnostic device 20 comprises: an oscillation sensor 21 for measuring the magnitude of oscillations at an intermediate height section 10B of the light pole 10; an accumulating part for accumulating the number of oscillations by magnitude from the beginning of its installation to the present day measured by the oscillation sensor 21; and a display part 24 for displaying accumulated data or fatigue data on a light pole base part 10A (section to be diagnosed) derived from the data. COPYRIGHT: (C)2004,JPO