Building Construction
Mansard roof is a roof which slopes in

Two directions with break in the slope on each side
Two directions without break in the slope on each side
Four directions without break in the slope on each side
Four directions with break in the slope on each side

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Building Construction
In clay soil

Swelling and shrinkage characteristics prevail
All listed here
Consolidation continues even after several years of construction
Differential settlement is generally prevalent

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