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:
Mar. 07, 2023
Filed:
May. 27, 2021
Zhengzhou University, Henan, CN;
Safekey Engineering Technology (Zhengzhou), Ltd., Henan, CN;
Fuming Wang, Henan, CN;
Mingsheng Shi, Henan, CN;
Chaojie Wang, Henan, CN;
Chengchao Guo, Henan, CN;
Peng Zhao, Henan, CN;
Binghan Xue, Henan, CN;
Yangyang Xia, Henan, CN;
Yanjie Hao, Henan, CN;
Xijun Zhang, Henan, CN;
Xianfeng Zhao, Henan, CN;
Yingli Wang, Henan, CN;
Zhengzhou University, Henan, CN;
SAFEKEY Engineering Technology (Zhengzhou), Ltd., Henan, CN;
Abstract
A method for stabilizing and lifting a channel board by underwater grouting includes (A) when the channel board is damaged, removing the damaged channel board, cleaning and leveling a gravel layer under the damaged channel board, placing an undamaged channel board installed with first grouting pipes and a second grouting pipe on the gravel layer, wherein multiple geotextile bags are respectively bound to the first grouting pipes; when the channel board is subsided, installing first grouting pipes and a second grouting pipe into first grouting holes and a second grouting hole, respectively; (B) performing a first polymer grouting through the first grouting pipes, and performing a second polymer grouting through the second grouting pipe; (C) cutting off a part of the first grouting pipes the second grouting pipe which are exposed to the channel board, and leveling incisions; and (D) removing excess polymer left on the channel board.