Footbridge over the river Nevezis in town Kedainiai, Lithuania

摘要

The project of footbridge over the river Nevezis in this article is discussed. The bridge will be constructed in town Kedainiai. The main bearing structures of the bridge comprises of pair of glulam three hinged arches. Free span of the arches - 50.0m. The bracing system of the bridge comprises of glulam vertical bracings, staggered by distance 5.0m and pre-stressed horizontal cross bracings of round steel members with diameter 30.0mm. Inclined position of arches give higher stability of whole system of bridge structures. The arches of the bridge are supported by pole foundations of reinforced concrete.Sawn timber arranged edgewise was used in the construction of pre-stressed but not glued deck of the bridge. The timbers are placed parallel to the bridge axis and are pre-stressed with high strength 20mm diameter steel bars. The thickness of the deck - 200mm. The deck of the bridge is supported by glulam beams with cross section 200x360mm.These beams are placed in distance 5.0m perpendicular the bridge axis and suspended by 36mm steel bars to main bearing elements of arches. The results of static and dynamic calculations meets the requirements of the standards..