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  • International Database for Civil and Structural Engineering

El Cajón Dam

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General Information

Structural Type: Arch dam
Function / usage: Hydroelectricity plant
Other name(s): Francisco Morazán Hydroelectric Project
Completed in: 1985

Geographic Information & Related Structures

Location: Honduras, North America

Technical Information

Dimensions

height 226 m

Cost

cost of construction United States dollar 775 000 000

Materials

dam structure concrete

Chronology

1986

The reservoir is filled to capacity, but cracking and leaking occurs that potentially could erode the dam.

1993

Leaking reaches excessive levels and water color indicates that the rock underneath the dam is becoming increasingly porous. Dam failure is feared, but none of the remedial grouting seems to have any effect.

Winter 1994
- April 1995

Special measures are taken to fill the rock cavities below dam level: First, 8 650 wooden and plastic balls are injected, but while they remain in place, the grout injection still fails. Lastly, 25 000 polypropylene feed sacks are injected to create a mesh inside the karsts to retain the grout. This solution proves effective. Leaking is reduced from 1600 liters/hour to less than 100.

24 April 1994

A power surge knocks out electricity throughout Honduras. Flooding of the powerhouse almost occurs, but the turbines re-start and power the sump pumps just in time to save the powerhouse.

Participants

Currently there is no information available about persons or companies having participated in this project.

Relevant Web Sites

There currently are no relevant websites listed.

Relevant Publications

There is no relevant literature listed in the database.

Internal Information
Structure-ID: s0002551
Created: 11/01/2002
Last Updated: 22/07/2014