oa Civil Engineering = Siviele Ingenieurswese - Maguga hydropower project : international

Volume 15, Issue 11
  • ISSN : 1021-2000



Designed for substantial floods and varying releases, the 26 m high Maguga regulating mass concrete weir consists of a 104 m long spillway, an outlet works comprising two 35 m long outlet channels with Crump weirs to facilitate accurate flow measurement. Innovative features include the use of river boulders to compensate for the constraints in crushed concrete aggregate supply. Outstanding engineering was also achieved by using the provided infrastructure for the provision of the power station, concrete bases for the hydropower machines, industrial floors and supports for the 61 t gantry crane. A pre-cast 20 m high stairway and offices were added to the original structure.

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