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11 条记录 (耗时 0.013 秒)

    Folding slab and central column composite joint and assembly method thereof
    3.
    发明授权
    Folding slab and central column composite joint and assembly method thereof 有权

    公开(公告)号：US10822789B1

    公开(公告)日：2020-11-03

    申请号：US16939092

    申请日：2020-07-27

    申请人： QINGDAO UNIVERSITY OF TECHNOLOGY

    发明人： Ben Mou ,  Dongshuai Hou ,  Yi Liu ,  Zunqiang Li

    IPC分类号： E04B1/26 ,  E04B1/30 ,  E04B5/12 ,  E04C3/36 ,  E04B5/02

    摘要： A folding slab and a central column composite joint and an assembly method thereof, wherein the folding slab and a prefabricated column-beam composite joint adopting a steel-wood composite structure guarantees a construction quality, improves a construction efficiency, and optimizes a seismic performance of a structure. The folding slab and the central column composite joint including a steel-wood composite column, square wood columns, connecting assemblies for connecting the steel-wood composite column and the square wood beams, and folding wood slabs connected with and supported by the steel-wood composite column, the square wood columns and the connecting assemblies.

    Life-cycle performance intelligent-sensing and degradation warning system and method for concrete structures
    5.
    发明授权
    Life-cycle performance intelligent-sensing and degradation warning system and method for concrete structures 有权

    公开(公告)号：US11268946B2

    公开(公告)日：2022-03-08

    申请号：US17286829

    申请日：2020-06-11

    申请人： QINGDAO UNIVERSITY OF TECHNOLOGY

    发明人： Penggang Wang ,  Zuquan Jin ,  Tiejun Zhao ,  Dongshuai Hou ,  Li Tian ,  Peng Zhang ,  Xiaomei Wan ,  Siyao Guo ,  Yupeng Tian

    IPC分类号： G01N33/38 ,  G08B3/10 ,  G08B13/196 ,  G08B21/18 ,  H04N7/18

    摘要： A life-cycle performance intelligent-sensing and degradation warning system and method for concrete structures are disclosed. The warning system comprises a main control module, a multifunctional sensor module, an anti-theft module and a critical warning module. Environmental parameters in concrete are monitored by the multifunctional sensor module, and the remaining service life of a concrete structure is accurately predicted through a life prediction model according to the temperature, humidity, chloride ion concentration and pH at different depths, and a critical chloride ion concentration and a structure stress status that are dynamically obtained. In addition, during warning analysis, a targeted correction method is designed for acquired data, and temperature and pH correction is carried out for real-time monitoring data of the chloride ion sensor to further guarantee the accuracy of monitoring data, such that scientific references are provided for durability evaluation, protection and restoration of the structure.

    Underwater rapid repair material for marine steel structure
    6.
    发明授权
    Underwater rapid repair material for marine steel structure 有权

    公开(公告)号：US12030812B1

    公开(公告)日：2024-07-09

    申请号：US18429030

    申请日：2024-01-31

    申请人： Qingdao University of Technology

    发明人： Zuquan Jin ,  Bo Pang ,  Yunsheng Zhang ,  Dongshuai Hou ,  Heping Zheng

    IPC分类号： C04B28/00 ,  C04B24/02 ,  C04B103/00 ,  C04B111/74

    CPC分类号： C04B28/006 ,  C04B24/023 ,  C04B2103/0046 ,  C04B2111/74

    摘要： An underwater rapid repair material for marine steel structure comprises: 20 to 50 parts by weight of an alkali activation material, 3 to 12 parts by weight of a fast hardening waterborne polymer curing agent, 2 to 8 parts by weight of a fast hardening waterborne polymer precursor, 30 to 100 parts by weight of an aggregate, 1 to 5 parts by weight of an activator and 3 to 20 parts by weight of a water. The underwater rapid repair material provided by the present invention is not dispersed and segregated in water, with an initial setting time as low as 0.5 hours and a final setting time as low as 1.1 hours, after pouring 3 hours, the compressive strength and flexural strength can reach about 60 MPa and 10 MPa respectively, and has high bonding strength to steel and is not easy to fall off after solidification.

    USE OF SILANE COMPOSITE EMULSION AS ANTI-CRACKING ENHANCER
    9.
    发明公开
    USE OF SILANE COMPOSITE EMULSION AS ANTI-CRACKING ENHANCER 审中-公开

    公开(公告)号：US20240254047A1

    公开(公告)日：2024-08-01

    申请号：US18004560

    申请日：2021-07-27

    申请人： QINGDAO UNIVERSITY OF TECHNOLOGY

    发明人： Shaochun Li ,  Shilin Xu ,  Ang Liu ,  Yongjuan Geng ,  Dongshuai Hou ,  Ruiyong Zhang ,  Zuquan Jin ,  Song Gao

    IPC分类号： C04B24/42 ,  C04B22/06 ,  C04B40/00 ,  C04B103/40

    CPC分类号： C04B24/42 ,  C04B22/066 ,  C04B40/0046 ,  C04B2103/408

    摘要： Provided is the use of a silane composite emulsion as an anti-cracking enhancer in a cement-based material. In the present disclosure, active groups on an isobutyltriethoxysilane molecule react with hydroxyl groups on a surface of a mortar to form a layered hydrophobic structure, slowing down a water loss inside the mortar of a cement-based material. The dehydration of butyl acrylate forms a network structure, which fills pores of the cement-based material, inhibits shrinkage of the cement-based material, and reduces the cracking caused by the shrinkage. Tetraethoxysilane can undergo hydrolysis at a room temperature to generate nano-silica with a large number of hydroxyl groups on a surface; and the nano-silica can undergo secondary hydration with calcium hydroxide in the cement to form a secondary hydration product C—S—H gel, thereby filling most of voids to make a structure of the cement hydration product denser, to increase a strength of the mortar.