Hydraulic pile screwing

Anderson, C.W. | Engineering Index Backfile | 1900

SCREWING-TYPE STEEL PIPE PILE, SCREWING-TYPE STEEL PIPE PILE DESIGN METHOD, SCREWING-TYPE STEEL PIPE PILE MANUFACTURING METHOD, AND SCREWING-TYPE STEEL PIPE PILE CONSTRUCTION METHOD

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COMPOSITE SCREW PILE, DEVICE AND METHOD OF SCREWING COMPOSITE SCREW PILE

GORYACHEV KONSTANTIN LVOVICH | Europäisches Patentamt | 2016

Precast concrete screw pile screwing-in construction machine tool

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Bolt screwing state judgment method, bolt screwing operation end and screwing system

WAN MINGMIN / WANG HAIPING / MA TIANLIANG et al. | Europäisches Patentamt | 2022