SHEAR FORCE AND BENDING MOMENT IN BEAMS
2.1 TYPES OF LOADS AND BEAMS
DEFINITIONS OF: AXIAL LOAD, TRANSVERSE LOAD, CONCENTRATED
(OR) POINT LOAD, UNIFORMLY DISTRIBUTED LOAD (UDL), VARYING
LOAD – TYPES OF SUPPORTS AND REACTIONS: SIMPLE SUPPORT,
ROLLER SUPPORT, HINGED SUPPORT, FIXED SUPPORT; VERTICAL
REACTION, HORIZONTAL REACTION, MOMENT REACTION – TYPES OF
BEAMS BASED ON SUPPORT CONDITIONS- DIAGRAMMATIC
REPRESENTATION OF BEAMS, LOADS AND SUPPORTS – STATIC
EQUILIBRIUM EQUATIONS – DETERMINATE AND INDETERMINATE
BEAMS.
2.2 SHEAR FORCE AND BENDING MOMENT IN BEAMS
DEFINITIONS OF SHEAR FORCE AND BENDING MOMENT –
CONVENTIONAL SIGNS USED
FOR S.F. AND B.M – S.F AND B.M OF GENERAL CASES OF
DETERMINATE BEAMS – S.F
AND B.M DIAGRAMS FOR CANTILEVERS, SIMPLY SUPPORTED BEAMS
AND OVER HANGING BEAMS – POSITION OF MAXIMUM BM – POINT OF
CONTRA FLEXURE – DERIVATION OF RELATION BETWEEN INTENSITY OF LOAD , S.F AND B.M. – NUMERICAL PROBLEMS ON S.F AND B.M
(DETERMINATE BEAMS WITH CONCENTRATED LOADS AND UDL ONLY)