29-08-2023 дата публикации
Номер: CN116657494A
Автор:
HE KE,
DU LEI,
XU DEZHI,
YIN CHENZHE,
HUANG QINTAO,
GU XIAOYU,
SHAO JIANAN,
GUAN KUAI,
TAN JULIANG,
CAO QING,
WANG JIE,
LIU MINGWEI
Принадлежит:
The invention discloses a temporary protection method in a highway prefabricated small box girder bridge over-crossing railway construction process, which comprises the following steps: S1, prefabricating a box girder, fixing an embedded connecting piece at a set position of the box girder when reinforcement arrangement is completed and concrete is not poured, and enabling the outer end of the embedded connecting piece to extend out of the box girder; s2, after prefabrication of the box girder is completed, the steel mold is dismantled; s3, after the box girder is hoisted in place, a protective shed is erected at the outer end of the embedded connecting piece; s4, when a bridge wet joint is constructed, a working hole used for subsequently transporting out the dismantled protective shed material is reserved in the bridge joint; and S5, after the whole construction of the wet joint of the bridge is completed, the protective shed is dismantled. The connecting pieces are pre-buried when the ...
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