Device and method for testing buoyant force of buried pipeline
A technology of buried pipelines and testing devices, which is applied to measuring devices, force/torque/work measuring instruments, instruments, etc., can solve problems such as difficulty in finding theoretical methods, different engineering conditions, and few consensuses, etc., to achieve reduction Small test error, reduce the influence of boundary effects, reduce the effect of friction
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[0021] A device for testing buoyancy of buried pipelines, such as Figure 1 to Figure 2 Shown, including: test slot 1, pipe model 2, flexible filling material 3, connecting flange 4, connecting rod 5, loading beam 6, directional bearing 7, notch reaction beam 8, axial force meter 9, first type Connecting screw 10, first type connecting nut 11, second type connecting screw 12, second type connecting nut 13, rock and soil model 18, pipe sealing steel plate 20, glass side 21, of which:
[0022] The test tank 1 is provided with a glass side surface 21, the rock-soil model 18 is filled in the test tank 1, the pipe model 2 is buried, the two ends of the pipe model 2 are sealed with a pipe model sealing steel plate 20, and the surface of the pipe model sealing steel plate 20 is equipped with flexible filling materials 3; The pipeline model 2 is connected to the connecting rod 5 through the connecting flange 4, and the connecting rod 5 passes through the directional bearing 7 fixed on th...
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