Distribution of Wheel Loads on Timber BridgesU.S. Department of Commerce, National Bureau of Standards, Institute for Applied Technology; Distributed by: Clearinghouse for Federal Scientific and Technical Information, 1968 - Bridges - 62 pages |
Common terms and phrases
21-FOOT SPAN 30d nails AASHO specifications accordance with AASHO adjacent applied load axle loads beam center of roadway center of span Cherry Creek coefficients corresponding wheel loads crossmember decking on edge deflections distribution of wheel end moments END REACTIONS equations experimental data FEET FROM REACTION feet from support Figure horizontal shear interior stringers joint load cells load distribution load on span load-cell support loading blocks loadometers matrix maximum bending maximum external shear maximum percentages maximum stress midpoint midspan numbering from left one-axle wheel loads percent of AASHO percentages of wheel positioned along center positioned for maximum pounds per square Reaction at load REACTIONS IN STRINGERS rear axle rear trailer axle shear with rear spiked static loads statically indeterminate stiffness stress in interior stringer is identified STRINGER NUMBER STRINGERS PERCENT superstructure timber bridge transverse decking WHEEL GUARD wheel loads determined wheel loads positioned Wildcat Creek bridge Yaak River ΕΙ