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  2. -- Types Of Stones And Rocks For The Constraction Of Plnat

Types Of Stones And Rocks For The Constraction Of Plnat

Below are qualities and uses of various stone types which are commonly used as construction materials Basalt and Trap The structure is medium to fine grained and compact Their colour varies from dark gray to black Fractures and joints are common Their weight varies from 18 kNm3 to 29 kNm3 The compressive strength varies from 200 to 350

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