engineering recuitment GATE CE 2023-24 Test Series Soil Mechanics and Foundation Engineering Bearing Capacity Deep Foundation
A wooden pile is driven with a drop hammer weighing 20 kN and in the second trial it was driven with a single-acting steam-hammer of the same weight. In both cases, the free fall was 1.0 m. The penetration in the last blow was 5 mm. What is the ratio of pile carrying capacity of drop hammer to single-acting steam-hammer according to Engineering News Formula ________
Enter numerical value using the virtual keypad. Round off where necessary.