F. K. Kong MA, MSc, PhD, CEng, FICE, FIStructE, R. H. Evans CBE, DSc, D ès Sc, DTech, PhD, CEng, FICE, FIMechE, FIStructE (auth.)-Reinforced and Prestressed Concrete-Springer US (1987)

CASE I
Design and detailing-illustrative examples 435
1Ma•520)
1·4gk + 1·6qk B I·Ogk
A c
9m 7m
Simple beam reaction 338 338 121 121
Continuity correction -58 +58 +74 -74
Final reaction l28ol l396l 195 47
CASE 2 (r~ist.) 1Ma=520)
Simple beam reaction 157 157 263 263
Continuity correction -58 +58 +74 -74
Final reaction 99 215 13371 11891
CASE 3 (r~distJ 1Mac520)
Simple beam reaction 338 338 263 263
Continuity correction -58 +58 +74 -74
Final reaction l28ol 13961 13371 11891
Fig.ll.S-7
l2BOJ kN
l337lkN
B
.._ ..._ 215
Jl89lkN
9000
13961 kN
7000
Fig. 11.5-8 Shear force envelope
Step 5 Longitudinal reinforcement
Internal support B (Fig. 11.5-9(a)). From bending moment envelope
(Fig. 11.5-6),
M = 520 kNm
f3b = 0.83; hence x/d:::; 0.43 (eqn 4.9-3).