Experimental Study on Local Scour and Related Mechanical Effects at River-Crossing Underwater Oil and Gas Pipelines

Figure 6

Schematic diagram of different embedment ratio tests: (a) schematic diagram of the test setup when the embedment ratio is −2, (b) schematic diagram of the test setup when the embedment ratio is −1.5, (c) schematic diagram of the test setup when the gap ratio is −1, (d) schematic diagram of the test setup when the embedment ratio is −0.5, (e) schematic diagram of the test setup when the embedment ratio is 0, (f) schematic diagram of the test setup when the embedment ratio is 0.5, and (g) schematic diagram of the test setup when the embedment ratio is 1.

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