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.

Date of Patent:
Sep. 16, 2025

Filed:

Mar. 08, 2024
Applicant:

Changsha University of Science & Technology, Changsha, CN;

Inventors:

Jianguo Wei, Changsha, CN;

Yuming Zhou, Changsha, CN;

Hao Yue, Changsha, CN;

Anmin Zou, Changsha, CN;

Ping Li, Changsha, CN;

Haolong Ju, Changsha, CN;

Qiucai Nan, Changsha, CN;

Min Fu, Changsha, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 7/18 (2006.01);
U.S. Cl.
CPC ...
E01C 7/18 (2013.01);
Abstract

A rubber particle-doped composite chip seal and a construction method thereof. The rubber particle-doped composite chip seal includes a coarse aggregate in a lower layer, a fine aggregate in an upper layer, and an SBS-modified emulsified asphalt binding and encapsulating the coarse aggregate and the fine aggregate into a whole, wherein the coarse aggregate is a gravel having a particle size of 4.75 mm to 7.1 mm, the fine aggregate is rubber particles having a particle size of 1.18 mm to 4.75 mm after pre-treatment, and the fine aggregate has a doping amount of 30% to 45% of a volume of all aggregates.


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