A swing method for installing a splay saddle 4 at a restricted site comprises the following steps: marking a hoisting point 21 below a frame system 1 and fixing a rack winch 5 to the ground; moving the saddle to a hoisting area on a trailer 3; connecting the saddle to a hoisting winch 13 on the frame system and to the rack winch and operating the hoisting winch to lift the saddle from the trailer; operating the hoisting and rack winches to lift, swing and land the saddle; operating the hoist and rack winches to swing the saddle gradually to the hoisting point; operating the winches to lift the saddle to the height of a splay saddle buttress 7; and, translating the saddle along the frame system and connecting the saddle to the buttress. A buffer device 6 may be provided which slides along a track installed between the rack winch and the hoisting point. The saddle may land on the buffer as it is swung to the hoisting point.


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    Title :

    Swing installation construction method for tunnel anchorage splay saddle at a restricted site


    Contributors:
    YINGHONG ZAHNG (author) / BAO WANG (author) / GUIYU WANG (author) / CIWEN LIU (author) / WEN ZHOU (author) / WEI YOU (author) / QIQIAO ZHANG (author) / YOUZHI JIANG (author) / QING MENG (author) / QING YANG (author)

    Publication date :

    2024-06-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E01D BRIDGES , Brücken / B66C Krane , CRANES



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