1887

oa Civil Engineer in South Africa - Boiler support structure of Matimba Power Station

 

Abstract

Two different designs were offered for the boiler structure of Matimba Power Station, one being based on concrete pylons with a dimension of 7,5 m x 7,5 m each, the other using steel pylons measuring 2,5 m x 2,5 m. A detailed comparison revealed definite advantages on the part of the steel alternative : lower cost, a reduced construction period and a significant increase in usable floor space between the columns. This article gives details of the steel structure design principles and also refers to manufacture and erection procedures that had to be adapted.

Ten opsigte van Matimba-kragstasie is twee verskillende ontwerpe van die ketelstruktuur aangebied, die een gebaseer op betonmaste, elk met afmetings van 7,5 m x 7,5 m, en die ander op die gebruik van staalmaste met afmetings van 2,5 m x 2,5 m. 'n Uitvoerige vergelyking het besliste voordele van die keuse van staal aan die lig gebring, nl laer koste, 'n verminderde konstruksietydperk en 'n aansienlike toename in bruikbare vloerruimte tussen die kolomme. Dié artikel verskaf besonderhede van die staalstruktuurontwerpbeginsels en verwys ook na vervaardiging- en oprigtingsprosedures wat aangepas moes word.

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/content/civeng1/29/1/EJC25035
1987-07-01
2016-12-08
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