Study of Three-Dimensional Wave Forces on Lowering of Steel-Suspending Cofferdam

HUANG Bo; DUAN Lunliang; ZHU Bing

doi:10.3969/j.issn.0258-2724.2018.03.013

Volume 31 Issue 3

Jun. 2018

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Journal of Southwest Jiaotong University > 2018 > 53(3): 525-532.

HUANG Bo, DUAN Lunliang, ZHU Bing. Study of Three-Dimensional Wave Forces on Lowering of Steel-Suspending Cofferdam[J]. Journal of Southwest Jiaotong University, 2018, 53(3): 525-532. doi: 10.3969/j.issn.0258-2724.2018.03.013

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HUANG Bo, DUAN Lunliang, ZHU Bing. Study of Three-Dimensional Wave Forces on Lowering of Steel-Suspending Cofferdam[J]. Journal of Southwest Jiaotong University, 2018, 53(3): 525-532. doi: 10.3969/j.issn.0258-2724.2018.03.013

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Study of Three-Dimensional Wave Forces on Lowering of Steel-Suspending Cofferdam

doi: 10.3969/j.issn.0258-2724.2018.03.013

Received Date: 28 Sep 2016
Publish Date: 25 Jun 2018

Abstract

Abstract

In order to understand the interaction between dumbbell shaped steel boxed cofferdam and wave during the construction of the bridge across the sea. The interaction between a steel-suspending cofferdam and wavesis studied, to investigate the influence of waves on the construction progress of the large dumbbell cofferdam. A numerical model for wave-cofferdam interactions is established, in which the Reynolds-averaged Navier-Stokes equations and k-ε model are used to generate waves, while the VOF(volume of fluid) method is used to trace the water surfaces. The influence of the steel tube and the lowering of the cofferdam on the wave field around the cofferdam are considered. The numerical simulation results show that the steel tube and lowering of the cofferdam have significant effects on the wave field around the cofferdam. Consideration of the lowering of the steel-suspending-cofferdam, the wave forces on the cofferdam will be 10% larger than that on the cofferdam with a certain submerged depth. With increments of the wave height and wave period, the wave forces acting on the lowering steel-suspending cofferdam tend to increase.
- wave effect,
- cofferdams,
- three-dimensional models,
- numerical simulation

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References

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Study of Three-Dimensional Wave Forces on Lowering of Steel-Suspending Cofferdam

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