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Q: Which of the following civil structure prepared from pre-assembled rectangular cages made of double twisted steel woven wire mesh filled with rocks/boulders?
  • A. Gabion structure
  • B. Gaint structure
  • C. Earthen bunds
  • D. Cantilever retaining wall
Correct Answer: Option A - As per IRC : SP : 116, 2018- Gabion structure– It is prepared from pre-assembled rectangular cages made of double twisted steel woven wire mesh filled with rocks. • It is a sample gravity retaining structure, which retains soil with its weight. Earthen bunds– It is essentially an external catchment, long slope technique of water harvesting. It is U-shaped structure of earthen bunds which formers build on their cultivated lands to harvest runoff from adjacent upslope catchments.
A. As per IRC : SP : 116, 2018- Gabion structure– It is prepared from pre-assembled rectangular cages made of double twisted steel woven wire mesh filled with rocks. • It is a sample gravity retaining structure, which retains soil with its weight. Earthen bunds– It is essentially an external catchment, long slope technique of water harvesting. It is U-shaped structure of earthen bunds which formers build on their cultivated lands to harvest runoff from adjacent upslope catchments.

Explanations:

As per IRC : SP : 116, 2018- Gabion structure– It is prepared from pre-assembled rectangular cages made of double twisted steel woven wire mesh filled with rocks. • It is a sample gravity retaining structure, which retains soil with its weight. Earthen bunds– It is essentially an external catchment, long slope technique of water harvesting. It is U-shaped structure of earthen bunds which formers build on their cultivated lands to harvest runoff from adjacent upslope catchments.