High-steep terrain bridge-tunnel connecting digging-after-filling foam concrete transition structure and construction method
A technology of foam concrete and transitional structure, which is applied in foundation structure engineering, excavation, earthwork drilling and mining, etc. It can solve the problems of large bridge piles, cracks at the joints, and bridge pile deviations, etc., and achieves good strength and overall rigidity. The effect of small footprint and small foundation settlement
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[0040] The present invention will be further described below in conjunction with the examples. The description of the following examples is provided only to aid the understanding of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
[0041]The bridge-tunnel connection in the high and steep terrain is filled first and then excavated with a foam concrete transition structure. The transition section between the abutment 2 and the tunnel opening is provided with a foam concrete embankment 10. The foam concrete embankment is light in weight, has small foundation settlement, and has good strength and overall rigidity. , the transition from the tunnel to the bridge 1 through the foam concrete embank...
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