If you're in a situation where you need to silence your phone, you can continue to receive new email alerts by turning on the phone's vibration feature. 1  1. Tap Settings on the iPhone's home screen. 2  2. Touch Sounds, then tap the Vibrate switch to set it to On.. 3  3. Tap Settings to return to the Settings screen.
Here is the derivation of that D2/162.2, Weight of steel bar per meter = Area of the steel x Density of steel x Bar length. = (3.14 x D2 /4) x 7850 kg/m3 x 1m (refer these posts basic formulas & unit weight of materials) = (D2 x 6162.25)/(1000 x 1000)
This will vary according to how much reinforcing steel per yard of concrete is used in the product. 200 pounds of reinforcing steel per yard would have resulted in a final density of 146.28 pounds per cubic foot.his will vary according to how much reinforcing steel per yard of concrete is used in the product. 200 pounds of reinforcing steel per yard would have resulted in a final density of 146.28 pounds per cubic foot.