Nepal Kathmandu-Terai Fast Track Pile Foundation
A total of 1,596 bored piles across the project, deepest 76m, diameters 1.0-2.5m. The project spans Nepal's mountainous terrain with extremely challenging construction conditions.
项目挑战
Narrow work platforms on steep mountain slopes, high risk of hole collapse, and severe drill bucket wear in hard mountain rock.
解决方案
Used rotary drilling rigs as the primary drilling equipment, optimized drill tooth configurations for different strata, and developed staged drilling plans for hard rock sections.
项目成果
Rotary drilling rigs achieved a productivity rate of 5.99m/h, far exceeding percussion hammers (3.27m/day) and manual excavation (1m/day), significantly accelerating the project schedule.