Building Construction
The range of spread from the wall base to outer edge of a brick work foundation does not exceed

1/2 horizontal to 1 vertical
2 horizontals to 1 vertical
1 horizontal to 1 vertical
2/3 horizontal to 1 vertical

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Building Construction
Gravels

Never swell when they come into contact with water
All listed here
Vary in size between 2 to 20 mm
Are cohesionless aggregates

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