Chronic Beach Erosion Adjacent to Inlets and Remediation by Composite (T-Head) Groins.

摘要

Beaches located directly downdrift of inlets may become isolated from sediment sources and experience chronic erosion. Because shore-protection actions taken on a beach isolated from sediment sources may not significantly disturb the downdrift beach, highly efficient sand-retention structures such as T-head and L-head groins may be considered as a remediation measure. This Coastal and Hydraulics Engineering Technical Note (CHETN) gives an overview of the performance and functional design procedures for T-head and similar composite groins.