Mathematics · Foundation Engineering
A group of 9 friction piles are arranged in a 3 × 3 square grid maintaining equal spacing in all directions. Each pile is of diameter 300 mm and length 7 m. Assume that the soil is cohesionless with an effective friction angle φ' = 32°. What is the center-to-center spacing of the piles (in m) for a pile group efficiency of 60% computed using the Converse-Labarre formula?
- 10.677
- 20.391
- 30.486✓
- 40.582
Correct answer
0.486
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Foundation Engineering?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Foundation Engineering