Large-span steel bridge factory overall unloading method
The invention relates to an integral unloading method for a large-span steel bridge factory, which specifically comprises the following steps of: 1) cutting off other jig frames corresponding to the two side parts of a box girder in sequence under the condition that the jig frames corresponding to t...
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| creator | XU BIN TIAN SHENGDE ZHOU WEI XU JINMING HE JIHONG |
| description | The invention relates to an integral unloading method for a large-span steel bridge factory, which specifically comprises the following steps of: 1) cutting off other jig frames corresponding to the two side parts of a box girder in sequence under the condition that the jig frames corresponding to the two ends and the middle part of the box girder are reserved; the jig frames corresponding to the middle of the box girder are all located between the two sliding supports, a plurality of base plates are arranged at the two ends and the middle of the box girder and correspond to the jig frames, and the box girder is supported on the base plates. (2) the box girder is synchronously jacked on the jig frames corresponding to the two ends of the box girder through jacking mechanisms, base plates on the jig frames corresponding to the two ends of the box girder are removed, and then the jacking mechanisms synchronously fall back to enable the box girder to be supported on the sliding supports and the jig frames in the |
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| language | chi ; eng |
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| subjects | ASSEMBLY OF BRIDGES CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS OR VIADUCTS |
| title | Large-span steel bridge factory overall unloading method |
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