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Dynamic behaviour of Yarra river bridge
As first stage in study of dynamic characteristics of bridges, experimental and theoretical investigations were made of simply-supported, single-lane, girder bridge with prestressed concrete deck slabs spanning Yarra River in Amuri County; methods used, results obtained, and conclusions drawn are reported; deflection measurement and resonance testing; fundamental frequency determined experimentally was 8.25 cps which compares with computed values of 6.2 and 8.6 cps; investigation indicates that dynamic increment increases linearly with velocity of vehicle crossing bridge, varies inversely with mass ratio, and almost full composite action of structure under dynamic loading is verified.
Dynamic behaviour of Yarra river bridge
As first stage in study of dynamic characteristics of bridges, experimental and theoretical investigations were made of simply-supported, single-lane, girder bridge with prestressed concrete deck slabs spanning Yarra River in Amuri County; methods used, results obtained, and conclusions drawn are reported; deflection measurement and resonance testing; fundamental frequency determined experimentally was 8.25 cps which compares with computed values of 6.2 and 8.6 cps; investigation indicates that dynamic increment increases linearly with velocity of vehicle crossing bridge, varies inversely with mass ratio, and almost full composite action of structure under dynamic loading is verified.
Dynamic behaviour of Yarra river bridge
New Zealand Eng
Shepherd, R. (author) / Sidwell, G.K. (author)
1967
3 pages
Article (Journal)
English
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