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THE CABLE PROFILE
Cable profile for constant prestressing force in a beam of uniform section
93 other sections not shown
abscissa anchorage anchors angle assumed beam bending bridge cable profile calculated cantilever centre line centroid Chapter coefficient compressive stress considered construction corresponding cracking cross-section curvature dead load dead weight deck deflected tendons denoted depth diagram diameter distance distribution eccentricity effect end face equal expression failure foregoing funicular gauge blocks given Hence horizontal I-beam inclined increase intrinsic curve isostatic lines lever arm limiting value line of thrust live load longitudinal lower face lower flange magnitude maximum midspan minimum Mohr's circle necessary normal force obtained ordinates permissible stresses precast prestressed concrete prestressing force principal stress prism radial pressures radius of curvature ratio reduced reinforcement resultant cable shearing force due shearing stress shown in Fig slab span steel strength stresses ay tensile stresses tensioned stirrups thickness transmission length transverse unit length upper face upper flange vertical Vnet webs wires zero