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. 23, 2025
Filed:
Jul. 05, 2023
China Tiesiju Civil Engineering Group Co., Ltd., Hefei, CN;
The Third Construction Co., Ltd. of Ctce Group, Tianjin, CN;
Rui Yuan, Tianjin, CN;
Lin Qin, Tianjin, CN;
Gang Huang, Tianjin, CN;
Qianchao Yin, Tianjin, CN;
Hao Hong, Tianjin, CN;
Jianlong Yan, Tianjin, CN;
CHINA TIESIJU CIVIL ENGINEERING GROUP CO., LTD., Hefei, CN;
THE THIRD CONSTRUCTION CO., LTD. OF CTCE GROUP, Tianjin, CN;
Abstract
A method for preventing sudden subsidence of an open caisson in a soft foundation includes the following steps: a position of the open caisson is determined; grouting is carried out to reinforce a foundation of the open caisson; an open caisson manufacturing site is leveled; sections of the open caisson are manufactured and installed; the step of sections of the open caisson are manufactured and installed is repeated until all the sections are manufactured and the open caisson subsides in place as a whole.