Symmetric BendingYCACB: Beam: one type of prismatic bars which takes bending as the mainformofdeformation: Symmetric longitudinal plane: formed by the centroidal axes ofcross sections.: Symmetric bending: all external forces & moments acting in thesymmetric longitudinal plane (beam axis being bent from a straightline to a curve within the symmetric longitudinal plane)11
• Beam: one type of prismatic bars which takes bending as the main form of deformation. Symmetric Bending 11 • Symmetric longitudinal plane: formed by the centroidal axes of cross sections. • Symmetric bending: all external forces & moments acting in the symmetric longitudinal plane (beam axis being bent from a straight line to a curve within the symmetric longitudinal plane)
Types of BeamsHAHMARACantilever beamSimply supported beam3kN3kN0.8kN/mPMB2mm1m1m1.mmBeam with an overhangCompound beam
Types of Beams Simply supported beam Beam with an overhang Compound beam Cantilever beam
Types of Supports and ReactionsSlottedholeAnchorColumnPoleBeamboltBaseplateBeamBearingBeamplatePoleBeamConcretewallConcretepierFixed supportRoller supportHinged or pinned supportFHRxRxMR11Ry13
Fixed support Hinged or pinned support Roller support FRy FRx MR FRx FRy FRy 13 Types of Supports and Reactions
Internal ReleasesMHVAxial release· Shear release.Moment releaseShear releaseat x <LAxial release atx<aq2MPP9H4aHAABHrVMomentreleaseatx14
Internal Releases • Axial release • Shear release • Moment release 14
Internal ReleasesPin orrollerMoment&axial releasesReinforced concrete bridge bentBeammodel
Internal Releases