INVESTIGATION ON DESIGN AND FABRICATION OF TWO HALF LAMINATED SLEEPERS IN COMPARION WITH CONVENTIONAL TYPE
The economical importance of railroads and their development in Iran have been caused those annually 500000 wood sleepers to be required, if sleepers are to be maintained in suitable condition. However, the wood resources are also limited, specially producing roadbeds with high classes. For conserva...
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Format: | article |
Langue: | FA |
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Regional Information Center for Science and Technology (RICeST)
2001
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Accès en ligne: | https://doaj.org/article/debb72da1acf4df7bfba4c5d2fd1acf6 |
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