Continuous Concrete Bridges: Concrete for Permanence

assumed BARS beam centerline change in deck closed abutments CONCENTRATED LOAD Concrete Bridge contraflexure critical sections curves dead load moments deck length deck loads Design Problem distribution factors due to deck end spans Equation falsework fixed end moments formulas in Table freely supported ft.kips ft.lb girder bridge grade separations haunch Highway Impact factor inertia influence lines L₁ L3 SPAN Live Load Moments Load at.8 point LOAD AT.9 LOAD IN SPAN Loading for maximum M₁ MAB FOR LOAD maximum negative maximum positive MBA IN TERMS Moment Distribution moment of inertia moments at supports open abutments Portland Cement Portland Cement Association ra for MBA reinforcement roadway shear shown in Fig slab bridges soffit SPAN 3 Fig SPAN I SPAN span lengths sq.ft Step stiffness coefficients stresses symmetrical T-girder TERMS OF PL truck-train unsymmetrical values WBAL width Мсв