Abstract

Silt curtains are generally stretched around construction site in the coastal region to protect turbidity generated by the construction works from flowing out of the region. The hydraulic functions of silt curtain have been investigated in the two-dimensional wave tank. However, the silt curtains are stretched in a three-dimensional sea and three-dimensional effect becomes very important.In this study, the effects of a stand-up type and a hang-down type silt curtain on the unidirectional flow are investigated through experiments in a basin. The authors also proposed numerical model for predicting flow pattern around silt curtain and examined the validity of the procedures by using experimental results.

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