Method for prefabricating and assembling large cantilever cover beam
A technology for prefabricating and assembling beams, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of transportation, hoisting difficulties, large crane occupation, design width of viaducts and tonnage increase, etc. The effect of processing, low investment and easy operation
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[0022] Example: such as figure 1 , 5 As shown, this embodiment specifically relates to a method for prefabricating and assembling a large cantilever cover beam, which is used for hoisting and splicing a large-tonnage cover beam 1 to the top of a column 2; the cover beam 1 is prefabricated into two cantilever segments of the cover beam 3 and a middle section of the cover beam 4.
[0023] Such as Figure 1 to 6 As shown, the prefabricated assembly method of the large cantilever cover beam of this embodiment specifically includes the following steps:
[0024] (1) Lift and install the middle section 4 of the cover beam to the top of the column 2. Such as figure 2 As shown, during the hoisting process, a crane is used for hoisting, and the middle section 4 of the cover beam is in a horizontal state. The top of the column 2 is provided with pre-embedded steel bars, and the middle section of the cover beam is provided with a sleeve. In the process of installing the middle section of th...
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