. From petrographic analysis, an igneous rock was found to be composed of a mixture of 30% quartz, 35% plagioclase, and 35% pyroxene whose specific gravity are 2.65, 2.7, and 3.3, respectively. If the dry unit weight of rock is 26 kN/m³, determine the porosity and wet (saturated) unit weight of rock.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Index Properties of Rocks. Rock Mechanicz
. From petrographic analysis, an igneous rock was found to be composed of a mixture of
30% quartz, 35% plagioclase, and 35% pyroxene whose specific gravity are 2.65, 2.7, and 3.3,
respectively. If the dry unit weight of rock is 26 kN/m³, determine the porosity and wet (saturated)
unit weight of rock.
Transcribed Image Text:. From petrographic analysis, an igneous rock was found to be composed of a mixture of 30% quartz, 35% plagioclase, and 35% pyroxene whose specific gravity are 2.65, 2.7, and 3.3, respectively. If the dry unit weight of rock is 26 kN/m³, determine the porosity and wet (saturated) unit weight of rock.
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