Cantilever pouring arch control method with buckle cable steering device on the column of long-span main arch
A control method and cantilever technology, which is applied in the direction of erecting/assembling bridges, buildings, bridge construction, etc., can solve the problems of large force on the buckle cable, many anchor points, and large amount of use, so as to reduce the number of anchor points, reduce the force of the buckle cable, The effect of saving consumption
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[0044] A kind of cantilever casting arch control method of long-span arch bridge, such as Figure 4-Figure 9 shown, including the following steps:
[0045] Step one, such as Figure 4-Figure 6 , the junction pier 1 is constructed in advance, and the buckle tower 2 is canceled on the top of the junction pier 1. During the construction process, according to the force requirements of the cantilever pouring in the later stage, multiple buckle cable anchor points 11 and anchor cable anchorages are set at different positions of the junction pier 1 pier body. Point 12, the anchorage point 11 of the buckle cable is connected to the buckle cable 3, and the buckle cable 3 is used for the cable-stayed buckle hanging cantilever to pour the main arch segment, the anchor cable anchor point 12 is connected to the anchor cable 4, and the anchor cable 4 is used to balance the force of the buckle tower 2 .
[0046]Step 2: After the construction of the junction pier 1 is completed, the operati...
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