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:
Feb. 27, 2024
Filed:
Aug. 29, 2020
Changsha University of Science and Technology, Hunan, CN;
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY, Changsha, CN;
Abstract
A loading module includes a test vehicle, a servo cylinder is mounted on the test vehicle, a piston rod of the servo cylinder is connected with a bearing plate acting on a subgrade surface, an annular loading plate is disposed around the bearing plate, and the loading plate is connected, through a force transmission rod, with a bearing tray on which a counterweight block is placed; a data collecting module includes a second high precision displacement sensor and a plurality of first high precision displacement sensors; a data processing module includes a computer, the computer is connected with a signal input end of the servo cylinder, an output end of the first high precision displacement sensor and an output end of the second high precision displacement sensor respectively, and performs inverse calculation for a dynamic resilient modulus value of a subgrade using a software.