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 tcr – rcs = tct fcr>fcs>fc. fcr fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. fcr fc5>fcr>fC ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is 0.68 d 0.55 d 0.85 d 0.43 d 0.68 d 0.55 d 0.85 d 0.43 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 10% of average ± 15% of average ±20% of average ±5% of average ± 10% of average ± 15% of average ±20% of average ±5% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be 900 mm 600 mm more than 1 m 750 mm 900 mm 600 mm more than 1 m 750 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 depends on aCbC only 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 both crst and acbc depends on as, only depends on aCbC only 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 both crst and acbc depends on as, only ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 70% 40% 60% 50% 70% 40% 60% 50% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS