जब स्व-स्थाने (in-situ) बालू अपनी सबसे सघन अवस्था (densest state) में होती है, तो उसका सापेक्ष घनत्व (relative density) कितना होता है?

A deposit of fine sand has porosity n and specific gravity of soil solids G. The hydraulic gradient of the deposit required to develop a boiling condition (quick sand condition) is given by:

The triaxial compression test is used to determine which property of soil?