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Application of Short Spiral Drills in Engineering Scenarios
release time：2026-11-04
source： network
The short spiral drill bit is primarily used for efficient drilling in hard formations during rotary drilling operations. It serves as a critical tool for handling complex geological conditions in large-diameter rotary hole-making, with specific applications spanning multiple core scenarios and process stages.
🏗️ Engineering Scenario Implementation
Pile foundations in complex riverbed strata: In construction sites with medium-weathered and weakly weathered rock layers 5~10 meters thick, such as the Pearl River bed, the improved double-cone double-screw short spiral drill bit can reduce single-pile hole formation time to 4~8 hours, achieving over 10 times the efficiency of traditional impact drills.
Pile Foundation Construction in Mountainous and Hilly Areas: Adapting to complex geology with boulders and weathered rock in mountainous regions, it replaces traditional impact drilling techniques to address challenges such as hole collapse and slow penetration, widely used in large-diameter pile foundation construction for highways, bridges, and municipal buildings.
Permafrost Drilling: For permafrost layers with high ice content, conical short spiral drill bits can efficiently break up the frozen soil, avoiding the issues of slippage and poor penetration encountered with conventional drill buckets.
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