The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 27, 2022
Filed:
Apr. 29, 2021
Zhejiang University, Zhejiang, CN;
Ronghua Zhu, Zhejiang, CN;
Hengfeng Wang, Zhejiang, CN;
Zhenya Tian, Zhejiang, CN;
Hanqiu Liu, Zhejiang, CN;
Zhisheng Tu, Zhejiang, CN;
Xiang Sun, Zhejiang, CN;
Qingfu Xu, Zhejiang, CN;
Peiling Chen, Zhejiang, CN;
ZHEJIANG UNIVERSITY, Zhejiang, CN;
Abstract
The present invention is a grouting method for single pile rock-socketed foundation for offshore wind power, comprising: driving a steel casing into an overburden layer to dig the overburden layer and a rock stratum so as to dig a pile hole; hoisting a steel pipe pile into the steel casing and positioning the steel pipe pile in the pile hole, wherein an annular cavity is formed between the inner walls of the steel pipe pile and the pile hole and the bottom of the steel casing; grouting a first grouting layer to the bottom of a pipe hole of the steel pipe pile; grouting a plurality of grouting layers into the upper end of the first grouting layer in the annular cavity; and pulling out the steel casing, wherein after a grouting solution is aged, the steel pipe pile is stably connected to the overburden layer and the rock stratum.