Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Capacity of column is decreased but ductility of column increases Ductility of column reduces Capacity of column is decreased Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases Ductility of column reduces Capacity of column is decreased Both the capacity of column and ductility of column increase ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum diameter of longitudinal bars in a column is 12 mm 16 mm 8 mm 6 mm 12 mm 16 mm 8 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 15 mm 50mm 25 mm 20 mm 15 mm 50mm 25 mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For walls, columns and vertical faces of all structural members, the form work is generally removed after 14 days 3 days 24 to 48 hours 7 days 14 days 3 days 24 to 48 hours 7 days 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 tcr – rcs = tct fcr>fcs>fc. fc5>fcr>fC fcr tcr – rcs = tct fcr>fcs>fc. fc5>fcr>fC ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS : 456- 1978, minimum slenderness ratio for a short column is less than 18 between 18 and 24 more than 24 less than 12 less than 18 between 18 and 24 more than 24 less than 12 ANSWER DOWNLOAD EXAMIANS APP