Patents Assigned to CHINA ACADEMY OF RAILWAY SCIENCES CORPORATON LIMITED RAILWAY ENGINEERING RESEARCH INSTITUTE
  • Patent number: 11136724
    Abstract: A fiber-reinforced prestressed reinforced concrete sleeper is integrally cast and includes a sleeper body and two rail bearing regions. A rail clamping base is arranged on a surface of the each rail bearing region. The two rail bearing regions are located under rails on both sides of the sleeper and the two rail bearing regions are located above the sleeper body. A reinforcing fiber is mixed into the two rail bearing regions only, and a reinforcing rib is arranged in the sleeper body. The reinforcing fiber is concentrated in a main stress region under the surface of the rail bearing regions. The reinforcing fiber arranged in a region with a large stress is more than the reinforcing fiber arranged in a region with a small stress.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: October 5, 2021
    Assignees: CHINA ACADEMY OF RAILWAY SCIENCES CORPORATON LIMITED RAILWAY ENGINEERING RESEARCH INSTITUTE, CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED, BEIJING TIEKE SHOUGANG TRACK TECHNOLOGY Co., LTD
    Inventors: Yangsheng Ye, Ruilin You, Jia Fan, Weibin Liu, Xianggang Du, Zhenyu Tan, Zhanguo Ma, Liangshan Xu