Feature
1.Advantages: Faster hole formation, higher quality, shorter construction time, and improved cost efficiency in piling.
2.Suitable Ground Conditions: Gravel layers, sandy loam, clay with gravel, silt, fine sand, karst cavities, sandy gravel backfill, soft soil, and quicksand (collapsible formations).
3.Specifications:
(1)For 600-1000mm diameter: Max. depth ~30m (rotary drilling rigs)
(2)or 1000-1500mm diameter: Max. depth ~22m (requires SR220/280+ rigs)
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