Chongqi Yangtze River Rail-cum-Road Bridge
Rotary drilling rig and tremie pipe deep-water bored pile foundation for the Chongqi Yangtze River Rail-cum-Road Bridge. Main pier piles over 80m deep in complex geology.
项目挑战
Super-large diameter pile foundation construction in deep water with complex geology, requiring overcoming cobble layers and highly weathered sandstone formations.
解决方案
Deployed multiple large rotary drilling rigs and tremie pipe systems, adopted staged drilling techniques with professional operation teams ensuring construction precision.
项目成果
Successfully completed all north main tower pile foundations, with single-pile drilling cycles reduced to 4-5 days, 100% pass rate, and excellent quality acceptance.