đê phụ

Một con đê phụ được xây dựng song song với con đê chính.

Definition

1. Noun:
   • Secondary dike / auxiliary levee: A smaller or secondary embankment built parallel to, or in support of, a main river dike or sea dike. Its purpose is to provide additional flood defense, to contain overflow, or to reinforce the primary structure.

Usage Examples

• Noun:
  • Khi đê chính có nguy cơ vỡ, lực lượng đã huy động để củng cố đê phụ. (When the main dike was at risk of breaking, forces were mobilized to reinforce the secondary dike.)
  • Hệ thống đê phụ giúp giảm áp lực nước lên đê chính trong mùa lũ. (The system of auxiliary levees helps reduce water pressure on the main dike during the flood season.)

Advanced Usage

• In engineering and water management contexts, an "đê phụ" is a critical component of a layered flood defense system, often acting as a backup containment area.

Variants and Related Words

• Đê (n): dike, levee, embankment.
• Đê chính (n): main dike, primary levee.
• Kè (n): revetment, a retaining structure to protect a bank or dike.

Synonyms

• Secondary dike
• Auxiliary levee
• Counter-dike (a direct translation of the French term )

Notes

• The term is a compound noun formed from "đê" (dike) and "phụ" (subsidiary, auxiliary). It is a technical term primarily used in civil engineering, hydrology, and disaster management contexts related to flood control.