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- Map Monkey
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- caughtatwork
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The standard requires that all sites be classified basically as either -Gunn Parker wrote:What the heck is that, does not sound goodcaughtatwork wrote:Reactive clay,
Evil stuff
Class A - Most sand & rock sites with little or no ground movement
Class S - Sites with slight ground movement.
Class M - Moderately reactive clay or silt sites which can experience moderate ground movement.
Class H - Highly reactive clay sites which can experience high ground movement.
Class E - Extremely reactive sites.
or Class P - Sites which include soft soils, landslips, collapsing soils and the like.
It just means the ground can move. Hence the waffles and specially designed slab to allow for that.