User: shahyash712

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Posts by shahyash712

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Answer: A: What are commonly used hauling equipment's in construction industry? Explain the
... Haulage mainly consists of trailers pulled by tractors or trucks. **A) Haulage trucks can be classified as:** **Dump Trucks** - On-highway. - Off-highway. **On-highway:** - For construction project dump truck is very common and essential equipment and is available in various sizes and typ ...
written 22 hours ago by shahyash7120
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Answer: A: Enlist the different methods of tunnelling in HARD ROCK. State the various stage
... **The different methods of tunneling in Hard rock are:** a) Full face heading method. b) Heading & bench method c) Drift method d) Pilot tunnel method **The various stages in the construction of tunnel are:** - Setting up and drilling. - Loading holes and firing the explosives. - Ventil ...
written 4 days ago by shahyash7120
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Answer: A: Explain method of tunnel driving mention below:
... **Pilot Tunnel method** - A small rectangular tunnel known as pilot tunnel is driven at the centre of the proposed tunnel. - For enlarging the section the holes are drilled readily along a ring, each ring is spaced about 1 to 1.2 m apart. About 4 such rings .i.e. 4 to 5 metres length of tunnel, i ...
written 4 days ago by shahyash7120
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Answer: A: Explain method of tunnel driving mention below:
... **Drift method** - It is not possible to drive the full face of tunnel, a small tunnel, known as drift is driven for a portion of tunnel length or sometimes for full length before taking up the excavation of full cross section of the tunnel. - A drift is a small tunnel measuring 3 m x 3 m, which ...
written 4 days ago by shahyash7120
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Answer: A: Explain method of tunnel driving mention below:
... **Heading and Bench method** - Tunnel cross section is divided into two parts, the top portion of the tunnel is known as the heading and the bottom portion as bench. - Usually this method is adopted for railway tunnels. - In this method of tunneling, top portion or heading will be about 3 ...
written 5 days ago by shahyash7120
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Answer: A: Explain method of tunnel driving mention below:
... **Full Face Heading:** - This method of tunneling is adopted when the length of the tunnel is more than 3 meters. - Large sized tunnels in rocks are always driven by this method. - With the development of drill carriage this method is becoming more and more popular. - In this method verti ...
written 5 days ago by shahyash7120
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Answer: A: Enlist the different methods of tunnelling in soft soil. State the various stage
... **The different methods of tunnelling in soft soil are:** 1. Needle beam method. 2. Linear plate method. 3. Forepoling method. 4. American method. 5. English method. - **Needle beam method:** - This method is useful for tunneling in the soft ground whose roof soil can stand without ...
written 5 days ago by shahyash7120
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Answer: A: Explain method of construction of diaphragm wall. It is constructed along the pl
... Diaphragm wall is a continuous wall constructed in ground in to facilitate certain construction activities, such as: a) As a retaining wall. b) As a cut-off provision to support deep excavation. c) As the final wall for basement or other underground structure. c) As a separating structure betwee ...
written 5 days ago by shahyash7120
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Answer: A: What do you understand by soil stabilization?
... **Soil Stabilization** is the alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties of a soil, thus improving the load bearing capacity of a sub-grade to support pavements and foundations. **Propert ...
written 5 days ago by shahyash7120
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Answer: A: Describe Lining of tunnel in detail. Explain method of concrete lining in tunnel
... - Concrete lining is one of the most conventional type of lining which has successfully been used in India and other parts of the world. - After excavating the tunnel, it is required to be lined with concrete. - The lining is done in two or three parts.i.e overt, invert and kerb. - For lini ...
written 6 days ago by shahyash7120

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