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HPT-28 is a horizontal specialized drilling rig developed by APIE, suitable for horizontal pipe shield operations jet grouting construction. The HPT-28 rig adopts a dual power design, which can use a 12-meter drilling rods, and can achieve a 100-meter drill through a rod loader.
Discover our wide range of hydraulic power packs designed to perfectly match various types of hydraulic pile breakers. Whether you require a compact power pack for smaller breakers or a more robust one for larger models, we have the right solution for your needs.
Vibroflot Compaction is a deep compaction technique for densifying granular soils with less than 10 –15% silt present. This method is popular for improving reclaimed land. Under the influence of simultaneous vibration and saturation, loose sand and or gravel particles are repacked into a denser state and lateral confining pressure within the soil mass is increased.The Vibroflot is normally suspended from a standard crawler crane or a piling rig.
The single roler bit is composed of a single cone and a lug matched by a bearing.According to different strata and construction requirements, different cutting struclures can be selected; wear resistant carbide are welded and cemented carbide inserts are inserted on the back of the lug. Das Drehbohrgerät treibt die Welle an, um sich zu drehen und einen Überdruck auszuüben, so dass der Drehbohrmeißel auf das Gestein aufschlagen, es rollen und abscheren kann. Das Gestein zerkleinern, um eine Brechringzone zu bilden, dann die mittlere Säule durch den Schwung der Welle brechen und die gebrochene Säule herausnehmen, um ein Loch zu bilden.

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