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:
Jul. 29, 2025
Filed:
Oct. 29, 2024
Shenzhen Campus of Sun Yat-sen University, Shenzhen, CN;
Sun Yat-sen University, Guangzhou, CN;
Southern Marine Science and Engineering Guangdong Laboratory ( Zhu Hai), Zhuhai, CN;
Linchong Huang, Guangzhou, CN;
Xumin Huang, Guangzhou, CN;
Yu Liang, Guangzhou, CN;
Chenyang Zhao, Guangzhou, CN;
Cungang Lin, Guangzhou, CN;
Shenzhen Campus of Sun Yat-sen university, Shenzhen, CN;
Sun Yat-sen university, Guangzhou, CN;
SOUTHERN MARINE SCIENCE AND ENGINEERING GUANGDONG HAI), Zhuhai, CN;
Abstract
The present invention discloses a control apparatus and method for buoyancy adjustment of shield tunnel segments, wherein the inner end wall of anchor rod accommodating cavity is provided with a first slurry channel extending forward to the outer peripheral wall of anchor rod, the countersunk bolt is provided with a second slurry channel passing through the front and rear end faces of the countersunk bolt, and a locking structure is disposed in the accommodating cavity to lock the countersunk bolt in the accommodating cavity and connect the first slurry channel and second slurry channel. The entire construction process which can be carried out during the construction or operation period greatly reduces construction costs and space.