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1. The rock mass at a hydroelectric powerhouse project in Himachal Pradesh, India, consists of jointed quartz mica schist with aver¬age GSI of about 65 (Hoek and Brown, 1997). Triaxial tests on intact rock cores showed a. = 30 MPa and tni = 15.6.
a. Estimate the rock mass parameters mm, s and a.
b. Estimate C and of the rock mass.
c. Estimate the uniaxial compressive and tensile strengths of the rock mass.
2. Carry out a thorough literature review and summarise the empirical correlations relating RMR, Q and GSI, including the limitations of the specific correlations.
To determine the distance between P and B, a point Q is marked on the ground and the following measurements are made: The distance between PQ is 230.0 ft, the angle QPB is 53°30', and the angle PQB is 80°15'.
Water flowing in a wide channel of depth 35 cm undergoes hydraulic jump that resulted in energy dissipation of 72%. Estimate (a) the downstream depth, (b) the volume flow rate per meter of width.
If the 50-kg crate starts from rest and travels a distance of 6m up the palne in 4s, determine the magnitude of force P acting on the crate. The coefficient of kinetic friction between the crate and the ground is \mu_k=.25
A cylindrical soil sample fails under an axial vertical stress of 160 kN/m^2, when it is laterally unconfined. The failure plane makes an angle of 50 degrees with the horizontal.
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A college student borrows $1500 during his senior year. The loan is to be repaid in 20 equal quarterly installments. The interest rate is 5% per year with the first payment to be made 3 years after the date of the loan. What will be the approximat..
what is the maximum weight of the crate that the system can support? What is the angle theta required for equilibrium?
A-Olympus Mons, a 69,000-foot-tall mountain on Mars, is the largest volcano in the solar system. Its circumference at the base is large enough to cover almost the entire state of Colorado.
Water is flowing at a depth of 10 ft with a velocity of 10 ft/s in a channel of rectangular section. Find the depth and change in water surface elevation caused by a smooth upward step in the channel bottom of 1 ft.
A worker is to paint the walls of a square room 8ft high and 12 ft along each side. what surface area in square meters must she cover?
A permanent endowment at the University of Alabama is to award scholarships to engineering students. The awards are to be made beginning 5 years after the $10 million lump-sum donation is made.
A bridge is subjected to a load of 10,000 kN at its mid span, yielding a displacement of 5 millimetres at that location. What will be the bending stiffness of the bridge in this case (make sure the unit is given)
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