What are the weights of concrete, crushed stone, machine-made sand, washed sand and river sand respectively 1m3? More detail

According to the provisions of the current building load code:

Each cubic meter of plain concrete weighs 22-24KN；; ; Reinforced concrete weighs 24-25KN (related to vibration and weak tamping);

The weight of sand per cubic meter is 12.2-20KN (related to water content and thickness, the wetter it is, the heavier it becomes);

The weight per cubic meter of crushed stone is 14- 15KN (related to the particle gradation of crushed stone, with good gradation being heavy and poor gradation being light).

1KN is approximately equal to 100Kg.

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