Survey of the urban bell in the belfry of St. Trinity Church in Krosno

Grzegorz Oleniacz, Izabela Skrzypczak, Lucjan Ślęczka, Tomasz Świętoń, Marta Rymar

Abstract


Urban is one of the three bells in the belfry of St. Trinity Church in Krosno. It is the largest one, with diameter equal to 1,535 mm and it is commonly considered as one of the largest historical bells in Poland. The total mass of all the three bells is close to 4,200 kilograms, so the dynamic actions produced by swinging have a great effect on the supporting structure and on the tower. However, the exact weight of the biggest bell isn't known, and for safety reasons it should be estimated in order to verify the real dynamic forces affecting the structure. The paper describes the method of Urban bell’s survey using terrestrial laser scanning and a total station as a task to estimate its weight by determining its volume.


Keywords


volume determining; terrestrial laser scanning

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References


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DOI: http://dx.doi.org/10.1515/rgg-2017-0004

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