IS 516-1959 page no 20 section 9.8
Procedure- The Load shall be applied continuously and without shock at a rate of 140 Kg/Sq cm/min.
In machine load applied KN/Sq mm /sec.
1st convert kg/sq cm/min to KN/ Sq mm/sec.
1 kg=0.0098 KN, 1 Sq cm= 100 Sq mm, 1 Min = 60 sec
so 140 Kg/Sq cm/min= (140*0.0098)/100/60=(140*0.0098)/(100*60)=0.00022867=0.0002287 KN/ Sq mm/sec
CORE=69 mm
Surface Area of Core= π * r 2= 3.14 * 34.5 * 34.5 = 3737.385 Sq mm
Rate of loading per Second in KN for Core = 0.0002287 Kn/Sq mm/sec * 3737 Sq mm = 0.85473 Kn/sec
Rate of loading per Minute= 0.85473 * 60 = 51.28 Kn/Sec
CUBE =100*100 mm
Area of cube=100 * 100=1000 Sq mm
Rate of loading per second in KN for cube test size 100 * 100= (0.0002287 Kn/Sq mm/sec) * 1000 Sq mm = 2.287 Kn/sec
Rate of loading per Minute=2.287 Kn/Sec * 60 =137.22 KN/Minute
CUBE=150*150 mm
Area of cube=150 * 150 = 22500 Sq mm
Rate of loading per second in KN for cube test size 150 * 150= (0.0002287 Kn/Sq mm/sec) * 22500 Sq mm = 5.14 Kn/sec
Rate of loading per Minute =5.14 Kn/Sec * 60 = 308.7 KN/Minute
Procedure- The Load shall be applied continuously and without shock at a rate of 140 Kg/Sq cm/min.
In machine load applied KN/Sq mm /sec.
1st convert kg/sq cm/min to KN/ Sq mm/sec.
1 kg=0.0098 KN, 1 Sq cm= 100 Sq mm, 1 Min = 60 sec
so 140 Kg/Sq cm/min= (140*0.0098)/100/60=(140*0.0098)/(100*60)=0.00022867=0.0002287 KN/ Sq mm/sec
CORE=69 mm
Surface Area of Core= π * r 2= 3.14 * 34.5 * 34.5 = 3737.385 Sq mm
Rate of loading per Second in KN for Core = 0.0002287 Kn/Sq mm/sec * 3737 Sq mm = 0.85473 Kn/sec
Rate of loading per Minute= 0.85473 * 60 = 51.28 Kn/Sec
CUBE =100*100 mm
Area of cube=100 * 100=1000 Sq mm
Rate of loading per second in KN for cube test size 100 * 100= (0.0002287 Kn/Sq mm/sec) * 1000 Sq mm = 2.287 Kn/sec
Rate of loading per Minute=2.287 Kn/Sec * 60 =137.22 KN/Minute
CUBE=150*150 mm
Area of cube=150 * 150 = 22500 Sq mm
Rate of loading per second in KN for cube test size 150 * 150= (0.0002287 Kn/Sq mm/sec) * 22500 Sq mm = 5.14 Kn/sec
Rate of loading per Minute =5.14 Kn/Sec * 60 = 308.7 KN/Minute