公开(公告)号：US20210231371A1

公开(公告)日：2021-07-29

申请号：US16633299

申请日：2018-12-27

Applicant: SHANDONG UNIVERSITY

Inventor： Zhi GE ,  Huaqiang YUAN ,  Renjuan SUN ,  Yanhua GUAN ,  Xuechi GAO ,  Yufeng BI ,  Zhichao XUE ,  Yanqiu HU ,  Yujie FENG ,  Jiajie WU ,  Xinlei HU ,  Jin QIN ,  Yikai WANG

IPC: F26B21/02 ,  C04B20/02 ,  C04B18/16 ,  F26B25/08

Abstract: A device and method for reinforcing recycled aggregate based on in-situ C—S—H production including a first, second, third chamber, and a blast drier. A spray structure arranged on the top of the third chamber; the first and second chamber connected to the spray structure through pumps. A hollowed container arranged at the bottom of the spray structure. A certain gap reserved between the bottom of the container and the bottom of the third chamber, the bottom of the third chamber is provided with at least one drain outlet; the blast drier connected to the bottom of the third chamber, and a cover is arranged on the top of the third chamber. The first chamber contains calcium hydroxide solution. The second chamber contains a mixed solution of TEOS, water and anhydrous ethanol. The container is arranged in the third chamber, and the container is used to contain to-be-treated recycled aggregate.

公开(公告)号：US20230384180A1

公开(公告)日：2023-11-30

申请号：US18321811

申请日：2023-05-23

Applicant: SHANDONG HI-SPEED GROUP CO., LTD. ,  SHANDONG UNIVERSITY

Inventor： Qifeng WANG ,  Zhi GE ,  Chuan WANG ,  Yifeng LING ,  Ning ZHANG ,  Hongzhi ZHANG ,  Xiang GAO ,  Yuliang WANG ,  Hongyuan XIAO ,  Yanhua GUAN ,  Renjuan SUN ,  Meijun LIANG ,  Yujie FENG

IPC: G01M5/00 ,  E01D19/12

CPC classification number: G01M5/0041 ,  E01D19/125 ,  E01D2101/26

Abstract: A reinforcement and bearing capacity calculation method for a self-stressed bridge deck link slab includes: calculating a cross-section moment of inertia of the link slab and a negative moment borne by the link slab; introducing a design self-stress according to stress distribution of the self-stressed bridge deck link slab, whether reinforced or un-reinforced; calculating a cracking moment of the plain self-stressed bridge deck link slab, comparing the cracking moment and the negative moment, proceeding to the next step, or configuring a structural reinforcement as needed; determining a design strength of reinforcement, selecting a reinforcement ratio, and calculating a resisting moment of the link slab; comparing the resisting moment and the negative moment of the link slab, design conditions are satisfied, or configuring the reinforcement ratio and carrying out iterative calculation to obtain a resisting moment; and analyzing stress on the reinforcement and concrete.