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Strength tests of folding bridges' spans

Bartnicki A.

Journal of KONES

2011

Vol. 18, No. 1

47-52

The restoration of the road infrastructure to its earlier state is a long and costly process and it is often the case that local government authorities cannot afford it. Due to this, alternative solutions are sought, which will shorten to the minimum the time dedicated to reconstructing destroyed parts of roads and bridges on one hand and which will constitute an economical solution on the other. A good idea for achieving the former and the latter at the same time seems to be the utilization, in the process of rebuilding permanent bridge crossings, of the military folding bridges' elements which have been withdrawn from use in the engineering subsections of the Polish Armed Forces. This paper presents non-military applications of military folding bridges, with special attention to strength tests thereof. It describes currently applied Polish and foreign methods of testing this type of bridge crossings and introduces a new method, indicating further development in this field.