Hydraulics - Renewable Energies
Hydraulics - Urban Hydraulic

ABRANTES RUBBER DAM WEIR

INFORMATION

CLIENT:
Consórcio MSF | LENA | SETH

SERVICES:
Construction
Licensing
Final Design
Technical Assistance

BEGINING:
2004

CONCLUSION:
2006

LOCATION:
Tejo River, Abrantes, Portugal

DESCRIPTION

Weir designed to create a permanent impounding in front of Abrantes’ Town, for scenic and leisure purposes. The weir comprises:

  • One fish ladder;
  • One spillway span 21,75m wide, equipped with a rubber inflatable gate 1m high;
  • Three spillway spans, each 46m wide and equipped with 3,2m high rubber inflatable;
  • One 40m wide concrete ogee crest spillway span;
  • One Ecological Flow Outlet.

This is a mobile weir, whose rubber gates will remain inflated for river flows between up to 750m3/s. Above
this, the gate will automatically deflate.