Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete None of these decreases with richer mixes increases with richer mixes remains constant None of these decreases with richer mixes increases with richer mixes remains constant ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is 100 x100 x500 mm 150 x150 x700 mm 150 x150 x500 mm 100 x100 x700 mm 100 x100 x500 mm 150 x150 x700 mm 150 x150 x500 mm 100 x100 x700 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on aCbC only depends on both crst and acbc is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on aCbC only depends on both crst and acbc ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by fcr fcr>fcs>fc. tcr – rcs = tct fc5>fcr>fC fcr fcr>fcs>fc. tcr – rcs = tct fc5>fcr>fC ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a reinforced concrete section, the shape of shear stress diagram is wholly rectangular rectangular above neutral axis and parabolic below neutral axis wholly parabolic parabolic above neutral axis and rectangular below neutral axis wholly rectangular rectangular above neutral axis and parabolic below neutral axis wholly parabolic parabolic above neutral axis and rectangular below neutral axis ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The limits of percentage p of the longitudinal reinforce-ment in a column is given by 0.8% to 8% 0.15% to 2% 0.8% to 6% 0.8% to 4% 0.8% to 8% 0.15% to 2% 0.8% to 6% 0.8% to 4% ANSWER DOWNLOAD EXAMIANS APP