Ads Here

Sunday, 17 February 2019

Building stone Basalt and Trap


Basalt and Trap: The structure is medium to fine grained and compact. Their color varies from dark grey to black. Fractures and joints ar common. Their weight varies from eighteen kN/m3 to twenty nine kN/m3. The compressive strength varies from two hundred to 350 N/mm2. These ar igneous rocks. they're used as road metals, aggregates for concrete. they're additionally used for trash masonry works for bridge piers, watercourse walls and dams. they're used as pavement.

No comments:

Post a Comment