![For four free standing pile group having arc tan value of 18.3, the efficiency as per Converse Labarre formula, would be For four free standing pile group having arc tan value of 18.3, the efficiency as per Converse Labarre formula, would be](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1207951/original_Q27.png)
For four free standing pile group having arc tan value of 18.3, the efficiency as per Converse Labarre formula, would be
![Behaviour of Open and Closed End Pile Groups Subjected To Vertical Loading : A Comparative Study - Civil Engineering Portal - Biggest Civil Engineering Information Sharing Website Behaviour of Open and Closed End Pile Groups Subjected To Vertical Loading : A Comparative Study - Civil Engineering Portal - Biggest Civil Engineering Information Sharing Website](https://www.engineeringcivil.com/wp-content/uploads/2014/05/ultimate-bearing-capacity-of-piles-in-granular-soils.jpg)
Behaviour of Open and Closed End Pile Groups Subjected To Vertical Loading : A Comparative Study - Civil Engineering Portal - Biggest Civil Engineering Information Sharing Website
![Solved) - A pile group consists of nine friction piles in clay soil (see... - (1 Answer) | Transtutors Solved) - A pile group consists of nine friction piles in clay soil (see... - (1 Answer) | Transtutors](https://files.transtutors.com/book/qimg/a172f04a-6e9c-4c3f-af18-4547ecdd3131.png)