A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Reliability of timber bridges using nailed plywood box beams
The Nailed Box Beam structural efficiency is directly dependent of the flange-web joint behavior, which determines the partial composition of the section, as the displacement between elements reduces the effective rigidity of the section and changes the stress distribution and the total displacement of the section. This work discusses the use of Nailed Plywood Box Beams in small span timber bridges, focusing on the reliability of the beam element. It is presented the results of tests carried out in 21 full scale Nailed Plywood Box Beams. The analysis of maximum load tests results shows that it presents a normal distribution, permitting the characteristic values calculation as the normal distribution theory specifies. The reliability of those elements was analyzed focusing on a timber bridge design, to estimate the failure probability in function of the load level.
Reliability of timber bridges using nailed plywood box beams
The Nailed Box Beam structural efficiency is directly dependent of the flange-web joint behavior, which determines the partial composition of the section, as the displacement between elements reduces the effective rigidity of the section and changes the stress distribution and the total displacement of the section. This work discusses the use of Nailed Plywood Box Beams in small span timber bridges, focusing on the reliability of the beam element. It is presented the results of tests carried out in 21 full scale Nailed Plywood Box Beams. The analysis of maximum load tests results shows that it presents a normal distribution, permitting the characteristic values calculation as the normal distribution theory specifies. The reliability of those elements was analyzed focusing on a timber bridge design, to estimate the failure probability in function of the load level.
Reliability of timber bridges using nailed plywood box beams
Stamato, Guilherme Correa (author) / Calil Jr., Carlito (author) / Martinez, Mariano Espinosa (author) / Da Fonte, Thalita Fernandes (author) / Universidade Estadual Paulista (UNESP)
2006-12-01
Conference paper
Electronic Resource
English
Box beam , Maximum load , Normal distribution , Joint behavior , Plywood , Stress concentration , Structural efficiencies , Beam elements , Wood products , Timber , Full scale , Characteristic value , Effective rigidity , Reliability , Wooden bridges , Failure Probability , Timber bridge , Load levels
DDC:
690
Nailed timber trusses for bridges
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