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    UTILITY VAULT SUPPORT BAR SNAP FEATURE
    1.
    发明申请
    UTILITY VAULT SUPPORT BAR SNAP FEATURE 审中-公开

    公开(公告)号：US20170260712A1

    公开(公告)日：2017-09-14

    申请号：US15456753

    申请日：2017-03-13

    申请人： Oldcastle Precast, Inc.

    发明人： Nguyen Thai Dang ,  Eric Long

    IPC分类号： E02D29/14 ,  E04H9/12

    CPC分类号： E02D29/14 ,  B65D37/00 ,  B65D41/00 ,  B65D41/62 ,  B65D57/00 ,  E02D29/04 ,  E02D29/12 ,  E04H9/12

    摘要： A vault system is provided that secures a brace to the underside of a vault lid to improve the performance of the lid when the lid is subject to external loads. The vault has guiding features to receive a brace and place the brace in a particular position. Then, a vault lid is pressed into the vault, and tabs on the vault lid deflect into receiving portions on the ends of the brace to secure the brace to the vault lid. The resulting vault lid is reinforced with a brace. In some embodiments, the guiding feature comprises a rib in a recess in the brace, and in various embodiments, the tabs have an arm and a hook disposed on a distal end of the arm. The tab arms deflect to fit around the end of the brace, then an undercut on the hook secures the brace to the lid.

    Prefabricated and flexible earthquake-resistant self-resetting structure associated with a subway station
    4.
    发明申请
    Prefabricated and flexible earthquake-resistant self-resetting structure associated with a subway station 审中-公开

    公开(公告)号：US20190048554A1

    公开(公告)日：2019-02-14

    申请号：US15566629

    申请日：2017-02-22

    申请人： Beijing University of Technology

    发明人： Xiuli Du ,  Hongtao Liu ,  Chengshun Xu ,  Zili Wang

    IPC分类号： E02D29/00 ,  E04H9/02 ,  E02D29/045 ,  E04B1/98

    CPC分类号： E02D29/04 ,  E02D29/045 ,  E04B1/98 ,  E04H9/021 ,  E04H9/027

    摘要： The present disclosure discloses a self-reset flexible earthquake-resistant system of the prefabricated subway station, comprising prefabricated component prestressed tendon, waterproof rubber, and rubber bearing. The main structure of station is built by connection between prestressed tendon and prefabricated component, it changes the connection methods of connection node from consolidation joint to hinged joint which makes the subway station into a flexible system, while at the same time, self-reset function is realized by prestressed tendon; “T” and “” system is combined with rubber waterproof tape, and rubber bearing which is installed in connection site of prefabricated component, multi-protection measures of waterproof is realized, earthquake-resistant effect is also realized. Connection problem with the prefabricated component can be solved by the self-reset flexible earthquake-resistant system of the prefabricated subway station; underground station structure is changed into the flexible system through releasing bending moment in connection site of the prefabricated component, deforming ability of subway station is improved, the earthquake-resistant ability of underground subway station is improved.