2080 chaitra Question Solution 4 sem : stereographic projection method , Reserve Estimation.

Q.6. A hill slope with orientation N41° W/56° has outcrop of quartzite rock containing discontinuity orientation N50° W / 37° The friction angle of plane of discontinuity is 28°. Design a cut slope for a stable road with the possible mode of failure by using stereographic projection method Answer:
Q.7Apparent dip amounts of limestone bed rock along S15° E and S27°W are 1:16 and 1:22 respectively. The vertical thickness of bedrock is 215m. Calculate the reserve of limestone for cement factory. The extension of the rock having terrain of 3.27 Km and 72.05 m . Assume density of limestone is 𝟐.𝟕𝟓×𝟏𝟎𝟑𝑲𝒈/

Answer: