Explain the driving of tunnels in hard rocks and in soft grounds and the problems associated with tunnels development ?

Q: A coal mine is using the room and pillar method, block version with rooms and crosscuts 20ft in…

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Q: 3) Module 14 - Earthworks The following shows cross-section notes for a road grading work. x1 -3.2…

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Q: 1A) Site investigation should form a part of a coordinated chain of design from inception of the…

A: Reconnaissance survey:It is the Initial stage of site investigation where the site engineer collects…

Q: Discuss the Long-wall Mining and Short-wall Mining Methods with Reference to Strata Control.

A: Long wall Mining: Mine development in the longwall mining process is done in such a way that big…

Q: 1. What is the wetted area for a triangular channel having depth y and the side slope being Z? a)…

A: The wetter area for a triangular channel having depth y and the side slope being Z

Q: Where does the Earth fill and rockfill dams are typically used?

A: Earth fill dam: Earth dam is made of earth (or soil). It resists the forces exerted upon it mainly…

Q: QUESTION 14 The cross section of excavation is: O 7.40 m2 O 4.06 m2 3.58 m2 O None of the answers…

A: Question 14 Cross-section of the excavation = 550 x (250+1100) = 0.55 x (.25+1.1) =0.55 x 1.35 =…

Q: Explain the term borrow-pit leveling?

A: Out of many levelling methods employed borrow pit levelling is unique in its process.

Q: Explain about the Deep-Ground Improvement Techniques.

A: The deep ground improvement techniques are a set of methods that are used to improve the engineering…

Q: Describe Mohr’s Failure Criterion?

A: The theory of Mohr implies that failure occurs once the circle of Mohr reaches the envelope provided…

Q: Q5. As a civil engineer, you have been assign to prepare earthwork cost estimation for a proposed…

A: Mass haul diagram  A mass haul diagram properly include Haul:  The transportation of your project's…

Q: Q- The nature of the soil and its engineering properties and moisture content and groundwater…

A: The above mentioned properties are are important factors for ground discharge methods, where the…

Q: 5. Calculate the wetted area of a circular

A: To find : Wetted area.

Q: A rectangular channel 7.1 m wide by 3.1 m deep is lined with a smooth stone, well laid and has a…

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Q: 1) Which statement is correct about Point A at station 20+00? a) No earthwork is needed at this…

A: 1. At point A, the cumulated volume is zero. From the mass diagram earthwork is required for cut and…

Q: Which are the Alternate Types of Retaining Structures?

A: Retaining structure are used to retain the sloped soil mass firmly.

Q: Design riprap for a channel in erodible soil on a slope of 0.04 and a maximum depth of 7.3 ft using…

A: An erodible soil case-Slope of the channel S=0.04Maximum depth h=7.3 ft To Find-The value of the…

Foundation construction