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The Ohnaruto Bridge, one of the Honshu-Shikoku Bridges in Japan, is a three-span two-hinged stiffening-truss suspension bridge. Multi-column foundations were adopted for the towers. In the original seismic design of the Ohnaruto Bridge, an inland near-field earthquake was not considered for the...
A new type of cable-supported bridge, the cable-stayed arch bridge, is proposed. This new bridge is a combination of a cable-stayed bridge and an arch bridge, and the girder is supported by both stay cables and arch ribs. Its static behavior, sectional forces and deflections, under the design...
AASHTO highway live loads are sometimes increased to idealize more realistic traffic conditions. Certain regions in the Middle East require increasing the AASHTO HL93 live loads by a 1.5 factor based on comparisons with the British Standards HA + HB live loads. Even in the US, the AASHTO live...
In September 2011, the I-64 Sherman Minton Bridge over the Ohio River between New Albany, IN and Louisville, KY was closed due to the detection of cracks in fracture-critical tie chord members. The bridge remained closed for over five months while non destructive testing and repairs were...
Owner agencies and state transportation departments have expressed concern over costly inspection requirements for short-span steel truss bridges due to the potential designation of members as fracture-critical. This designation has a direct impact on future implementation of these structures as...
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