André Coyne

André Coyne (10 February 1891, Paris – 21 July 1960, Neuilly-sur-Seine) was a French civil engineer who designed 70 dams in 14 countries. He received his education at École Polytechnique and its School of Civil Engineering afterwards.

He worked on the Plougastel Bridge and in 1928 was appointed as the chief engineer of dams in the Upper Dordogne River. While in that position, he designed the Marèges Dam which incorporated several innovative advancements in dam design. In 1935 he became the head of France's Large Dam Engineering Department and between 1945 and 1953 he served as President of the International Commission on Large Dams. In 1947 he departed civil service and started his own consulting firm, Coyne et Bellier.[1][2]

Other dams he later designed in France include the Grandval and Roselend Dams. Overseas he designed the Kariba Dam on the Zimbabwe-Zambia border and the Daniel-Johnson Dam in Quebec.[1]

Coyne also designed the Malpasset Dam in Southern France. Nearly immediately after construction was completed on the dam, cracks were noticed at the base. A few years later, on December 2, 1959, the dam abruptly swung open and released a 50 meter high wall of water that reached the nearby town of Fréjus, killing an estimated 421 people. It was said that Coyne was deeply affected by the dam's failure. He died half a year later.

A study later found that the design of the dam was probably not the reason for its failure. Other factors were blamed instead, including the location of the dam, the stability of the rock material, the fact that a geological fault was found on the site, and heavy rain that had raised the water level by 15 feet that year.

The company that André Coyne started is still operating under the name Coyne et Bellier.

References

  1. 1 2 "André Coyne (1891 - 1960)". Planete-TP. Retrieved 29 April 2012.
  2. ↑ "Andrew Coyne" (in French). Structurae. Retrieved 29 April 2012.

External links


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