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Water Retaining Structures

Gravity dam Barrage Koudiat Acerdoune, Algeria

Gravity dam Barrage Koudiat Acerdoune, Algeria - The 57° inclined run-off channel bottom plate and intermediate walls were constructed with concreting cycle heights of 2.40 m.
Gravity dam Barrage Koudiat Acerdoune, Algeria - The SKS climbing scaffold, in combination with the VARIO GT 24 wall formwork, guaranteed stable climbing units especially for the vertical structural elements.
Gravity dam Barrage Koudiat Acerdoune, Algeria - With the SKS climbing system, the loads from the fresh concrete pressure were transferred without formwork ties via the brackets into the scaffold anchoring.
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Project data

Location: Koudiat Acerdoune, Algeria

  • height: 120m
  • length: 493m
  • construction period: 2002 – 2008
  • capacity: 640,000,000 m³
  • structure: RCC gravity dam

Requirements

  • system that can be handled easily and flexibly
  • delivery of enormous amounts of formwork

Customer

Razel Algérie

Customer's benefit

  • flexible adjustment of the systems to different requirements
Roger Dunand-Chatellet | Jean-Claude Mogno
Leading construction manager | Construction manager

PERI planned and supplied the complete formwork and scaffolding solution for the implementation of the dam. It was always possible to flexibly adjust the systems, which were used, to the particular pouring section and the different requirements.

PERI solution

  • TRIO side formwork for layer-by-layer placement of the rolled concrete
  • single-sided SKS climbing formwork solution for the 2 m thick structural concrete layer with pouring cycle heights of 2.40 m
  • horizontally used brace frames at the run-off channel

PERI systems in use