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Central Hidroelectrica Angostura, Chile

Chile

This project consists of a discharge tunnel for the largest hydroelectric power station built over the course of the last decade in Chile. Due to the size of the cross-section, Doka planned a 2-storey forming carriage made of the Doka load-bearing tower SL-1. In spite of the great longitudinal inclination of 13.75%, it was assembled with this inclination by a Doka formwork instructor.

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Project data

Year of completion
2013
Project duration
6 Months
Country
Chile
Address
Los Angeles Chile
Town or city
Los Angeles
Contractors
Empresa Constructora Angostura Ltda
Structure
Tunnel
Type of structure
Mining-type tunnel

Wall

Construction method
Partially monolithic
Cross-sectional shape
Curved/round
Clear width
10.75 m
Clear height
10.75 m
Formed length of tunnel
168 m
Length of concreting section
10 m
Number of casting sections
18