With reference to Problem 32, concerning opening width in the A Level, determine a bolting plan that
Question:
With reference to Problem 32, concerning opening width in the A Level, determine a bolting plan that would allow for 90 ft wide rooms.
(a) Specify, bolt length, safety factor, diameter, steel grade, and spacing.
(b) Also specify the associated pillar size and pillar safety factor with respect to ore strength for the mining plan.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 54% (11 reviews)
Given Roof in Problem 32 A level 90 ft rooms Find Determine a bolting p...View the full answer
Answered By
Qurat Ul Ain
Successful writing is about matching great style with top content. As an experienced freelance writer specialising in article writing and ghostwriting, I can provide you with that perfect combination, adapted to suit your needs.
I have written articles on subjects including history, management, and finance. Much of my work is ghost-writing, so I am used to adapting to someone else's preferred style and tone. I have post-graduate qualifications in history, teaching, and social science, as well as a management diploma, and so am well equipped to research and write in these areas.
4.80+
265+ Reviews
421+ Question Solved
Related Book For
Question Posted:
Students also viewed these Geological Engineering questions
-
With reference to Problem 38, concerning opening width in the A Level, determine a bolting plan that would allow for 27.4 m wide rooms. (a) Specify, bolt length, safety factor, diameter, steel grade,...
-
With reference to Problem 56 data, water pressure of 80 psi is anticipated at 4,500 ft. What liner thickness is indicated, if a liner safety factor of 2.5 is required, note: Minimum thickness is 1 ft.
-
With reference to Problem 61 data, water pressure of 0.552 MPa is anticipated at 1,372 m. What liner thickness is indicated, if a liner safety factor of 2.5 is required, note: Minimum thickness is...
-
iHerb Inc. has several herb extractor evaporators that were purchased four years ago at a price of $20,000. These machines currently require annual maintenance costs of $2,000. However, the...
-
If the rms value of the electric field in an electromagnetic wave is doubled, (a) By what factor does the rms value of the magnetic field change? (b) By what factor does the average intensity of the...
-
Determine which of the circuits in Fig. 3.83 is planner and redraw it with no crossing branches. (a) (b) Figure 3.83 2 1S2 5 AWW 7 3 10 V 6 4 8 5 4 1 4 A
-
The Minangkabau, a rice-growing society in West Sumatra, Indonesia, is one of the few matrilineal Islamic societies in South Asia. In Minangkabau villages, kinship relations and families are...
-
Using the cost estimation template and Actuals in Figure 7-5, compare the model in the figure with the following estimates derived from a multiplicative model. Base your comparison on the mean bias,...
-
A business has a NOL of $75,000 in 2023. Net business income is $26,000 in 2024 and $31,500 in 2025. How much of the NOL can be used to offset 2025 business income?
-
Of all the price analysis methodologies that exist, which are the foundational methods. Longing & Shorting. Trading & Investing. Volume & sentiment. On-chain & Macroeconomic. Mean reversion &...
-
With reference to Problem 6.32 data, roof rock above the upper A Level is Bonneterre dolomite that is overlain by Davis shale. (a) Determine the maximum opening width that is physically possible in...
-
An alternative mining plan is to develop two levels, below the upper A Level, and mine only the high grade. The B Level would be in the 43 ft of high grade, while the C level would be in the lower 20...
-
What are financial securities? Describe some financial instruments. Assume that you recently graduated and have just reported to work as an investment advisor at the brokerage firm of Balik and...
-
On January 1, 2025, Cullumber Co. issued ten-year bonds with a face value of $5,625,000 and a stated interest rate of 10%, payable semiannually on June 30 and December 31. The bonds were sold to...
-
My name is Linda Jackson and I currently live in Shreveport, LA which is my hometown. I decided to return home after 40 years of living in Dallas, Germany, and Tallahassee, Florida. I have a...
-
Stadium Company has two manufacturing departments, Forming and Painting. The company uses the weighted-average method and it reports the following data. Units completed in the Forming department are...
-
A 0 . 2 0 0 kg mass hangs from a string and forms a conical pendulum. The period of the pendulum in a perfect circle is 2.6 s while the ball is traveling 2 m / s . What is the angle of the pendulum?...
-
A stone is thrown vertically upward with a speed of 3 3 . 0 m / s from the top of building 7 5 . 0 meters high. What is the stone\'s velocity 2 . 9 8 s after being thrown?
-
Find the longest path through the graph below, using the computation times on the nodes and the communication times on the edges. P2 6 1 P1 2 1 P5 1 P3 22 3 P4 2
-
Make an argument that Williams had a right to delay the closing until after August 1.
-
(a) What is the hot reservoir temperature of a Carnot engine that has an efficiency of 42.0% and a cold reservoir temperature of 27.0C? (b) What must the hot reservoir temperature be for a real heat...
-
Use nodal analysis to find V0 in the network shown. Then solve this problem using Matlab and compare your results. 12V
-
Find V0 in the circuit shown using Nodal Analysis. 12V 2k VO
-
Use nodal analysis to find I0 in the network shown. 12V 1o 4mA
-
A 2-meter-tall basketball player attempts a goal 12.4 meters from the basket that is 3.05 meters high. If he shoots the ball at a 55 angle, at what initial speed must he throw the basketball so that...
-
Find the following. 2. 3 y(t) + 3y(t) 3+ = x(t) + 3 x(t) 3. y(t) - 1/2 y(t) x(t) = dt d 4. dt d 5. dt y(t) + 1/2 y(t) + y(t) y(t) + 1/2 y(t) = x(t) + x(t) = x(t)
-
1. Who are the people affected by rsum truth decisions? 2. Why might a job seeker have a duty to blur parts of his or her work history? 3. Why might an egoist lie on the rsum, and why not? 4. Does an...
Study smarter with the SolutionInn App