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Topdrill — DTH Hammers & Bits
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Ø1,000 mm large diameter DTH bit face, dust-covered after drilling hard abrasive gabbro

Hard Rock Lets You Plant Shallower — If You Can Drill It

References / Topdrill Engineering Team

Ø1,000 mm large diameter DTH bit face, dust-covered after drilling hard abrasive gabbro

Hard Rock Lets You Plant Shallower — If You Can Drill It Read More »

[Photo ③] Site overview. Barge, crawler crane and tug working against the rock shoreline, with land-section piles already standing.

Offshore Piling at Jindo, Korea — 20 Steel Pipe Piles at Ø1,000mm, Held to a 15mm Annular Clearance

References / Topdrill Engineering Team

A 15 mm clearance is routine on solid ground. Holding it from a barge in a tidal channel is not. Field notes from 20 offshore piles in Korea.

Offshore Piling at Jindo, Korea — 20 Steel Pipe Piles at Ø1,000mm, Held to a 15mm Annular Clearance Read More »

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