Powerchina Huadong Engineering Corporation Limited

Hu Zhou

Haifeng Qi

Xingjian Sun

Ning Liang

Na Lv

Jinping Luo

Jinning Shen

Danshan Wang

Hongbao Rong

The present invention relates to an offshore non-driven-in large-diameter monopile foundation structure and a construction method. An object of the invention is to provide an offshore non-driven-in large-diameter monopile foundation structure with simple structure, convenient construction and clear mechanic behavior, and a construction method. The technical solution adopted by the invention is as follows: an offshore non-driven-in large-diameter monopile foundation structure suitable for rock foundations is characterized in that a drilling hole is drilled in a rock foundation, a large-diameter monopile is implanted into the drilling hole, the bottom of the large-diameter monopile is sealed by underwater bottom-sealing concrete, and the gap between the outer wall of the large-diameter monopile and the hole wall of the drilling hole is filled with a grouting material goofed by a grouting system that is preset inside the large-diameter monopile. The invention is applied to offshore wind power and other industries.

Offshore non-driven-in large-diameter monopile foundation structure and construction method

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Zhejiang, China

Hu Zhou