China Railway Tunnel Group Co., Ltd.

China Railway Tunnel Group Third Division Co., Ltd.

Ning Ma

Xin Zhang

Min Cao

Baixi Feng

Jialiang Ding

Fuxian Yu

Xin Wen

Huiwen Ding

Xianhai Tang

The present application relates to a top plate jacking device and jacking construction method configured for V-shaped columns, the top plate jacking device comprising a temporary support pile comprises a plurality of pile holes arranged on a construction surface, a bottom end of the pile hole is cast-in-place with a bearing platform, a temporary support column is inserted on the bearing platform, a plurality of pillars are fixed at a top of the temporary support column, wherein comprises a plurality of vertically connected column segments, two adjacent column segments detachably connected vertically through a connecting component; a support block is provided at a top of the plurality of pillars, the top of the support block abuts against a lower surface of the top plate; a hydraulic jack is configured to jack the top plate and is provided with a plurality of intervals at the top of the temporary support column.

Top plate jacking device and jacking construction method configured for V-shaped columns

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Guangdong, China

Ning Ma