Key and difficult issues and countermeasures of cross-rive immersed tube construction in Baise Reservoir Irrigation Zone
An introduction was made on the characteristics and procedures of immersed tube construction,with the emphasis put on the key and difficult issues of the cross-rive immerse tube construction in Baise Reservoir Irriga-tion Zone.Analysis was made on the layout of immersed tube construction platform,underwater foundation treat-ment,backfilling of sand cushion layer,sinking of immersed tube structure and the impact on navigation capacity,based on which corresponding countermeasures and technical measures were proposed.
immersed tubeconstruction platformunderwater rock excavationunderwater foundation treatmentim-pact on navigationBaise Reservoir Irrigation Zone