Maximum Stresses in Framed BridgesVan Nostrand, 1878 - 192 páginas |
Otras ediciones - Ver todas
Términos y frases comunes
apex apices Assumed weight BILL OF MATERIALS Bow String braces C. E. Illustrated center drivers center of moments chord panel chord piece cloth column compression compression members computed counters cut pieces dead load deck bridge depth diagonals diameters economical height edition equal factor of safety farthest abutment feet Fink foot formula front engine girder given gives hence HYPSOMETRY inclined Iron lever arm live load extends locomotive excess lower chord lustrated maximum chord strains maximum strains ment morocco nearest abutment NOSTRAND'S PUBLICATIONS nth panel panel lengths partial truss pounds PRACTICAL TREATISE Pratt Truss principle of moments Prof rails reaction shearing force Similarly span square inch stringers struts supposed tension tion Total weight triangular truss U. S. Navy uniform load upper chord vertical posts VOUSSOIR web members weight of bridge whence wood-cuts y₁ Zerah Colburn zero