Stresses analysis on a rail part

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PAIVA, Cássio Eduardo Lima de
SOUSA, José Luíz Antunes de Oliveira e
CORREIA, Luiz Fernando de Melo
WATANABE, Juliana Silva
CARVALHO, Rodrigo Moreira de
PEIXOTO, Creso de Franco
PASCHOALIN, Denis Palomo
Journal of Civil Engineering and Architecture (Print)
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PAIVA, Cássio Eduardo Lima de; SOUSA, José Luíz Antunes de Oliveira e; ALMEIDA, L. C.; AGUIAR, P. R.; CORREIA, Luiz Fernando de Melo; WATANABE, Juliana Silva; CARVALHO, Rodrigo Moreira de; PEIXOTO, Creso de Franco; PASCHOALIN, Denis Palomo. Stresses Analysis on a Rail Part. Journal of Civil Engineering and Architecture (Print), v. 7, n. 8, p. 964-973, 2013.
Railway track,Field strain survey,Rail stresses
The EFVM (Vitoria Minas Railroad) is one of the main railways in Brazil. It transports freight trains of ore, 220 wagons each. These wagons have 2 boogies of 2 axles each and 32 metric tons on metre gauge. Elastic strains were measured on a special part of this railway due to these trains. The main load to evaluate stresses and strains was a G 16 Locomotive, a C-C kind from Vale, a Brazilian Company. The measurements were obtained by dynamic deflectometer installed on a main line of this railway, near Ipatinga, a city from Minas Gerais, one of Brazil states. This track was equipped to obtain stresses under an equal repeated static load. A simulation of the stresses was made under critical strain by Ferrovia 1.0 software. It was also made an evaluation of unequal results from neighbor sleepers taking in comparison two equipped parts of this railway, one with compacted ballast and no compaction to the other. The results were strain limited, avoiding breakage or damage to the studied rails. This work analyses these measurements focusing on the improvement of track quality.