Maximum Stresses in Framed Bridges

action apex loads bracing car-load centre of moments chord panel chord stresses compression compute counters diagonal diagram distance due to dead end posts equal feet to left formula girder height of truss hence horizontal increased left abutment left reaction live load extends live load shears load held lower apex lower chord maximum shear ment method of apex method of moments minimum stress number of panels panel length Pratt truss Prof revised and enlarged right abutment Second edition section cutting shear in panel Similarly span stresses due stringers subtract supposed tension Third edition top chord total shear uniform load unit stress upper chord w₁ w₂ Warren girder Warren truss web members weight wheel wheel-loads William Cain wind