Media Releases

VIADUCT ERECTION THROUGH CENTURION

VIADUCT ERECTION THROUGH CENTURION

To date Gautrain viaduct construction has primarily focused on the Johannesburg, Midrand and Ekurhuleni areas, whilst construction in Centurion has focused mainly on ground improvement and foundation installation. Viaduct erection has however recently commenced on the longest Gautrain viaduct (Viaduct 5) which traverses through Centurion and has a total length of over 4km. Figure 1 : Aerial view...

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BALANCED CANTILEVER VIADUCTS

BALANCED CANTILEVER VIADUCTS

An innovative construction technique is being used for the construction of the Gautrain viaducts crossing over the busy N1 and N14 freeways on either side of Centurion. The so-called Balanced Cantilever construction method is used for building long-span bridges over areas where construction from the ground upwards is not possible. The method is therefore ideal for the viaducts being constructed...

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FOUNDATION DESIGN FOR VIADUCTS IN DOLOMITE AREAS

FOUNDATION DESIGN FOR VIADUCTS IN DOLOMITE AREAS

Background Between Centurion and Pretoria, in the northern section of the Gautrain route, the rail alignment traverses about 16km of dolomitic ground, of which 5.8km will be on viaducts (elevated structures) with the remaining portion constructed at ground level. The viaducts are constructed in one of two ways, by installing pre-cast segments using underslung girders, or by means of the...

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OVERVIEW OF THE DOLOMITIC GEOLOGY UNDERLYING CENTURION

OVERVIEW OF THE DOLOMITIC GEOLOGY UNDERLYING CENTURION

Background Between Centurion and Pretoria, in the northern section of the Gautrain route, the rail alignment traverses about 16km of dolomitic ground, of which 5.8km will be on viaducts (elevated structures) with the remaining portion constructed at ground level. This band of dolomites is part of a broad swathe of dolomite bedrock which surrounds the Johannesburg Granite Dome. The dolomites...

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STATE OF THE PROVINCE ADDRESS BY THE PREMIER OF GAUTENG

STATE OF THE PROVINCE ADDRESS BY THE PREMIER OF GAUTENG PAUL SHIPOKOSA MASHATILE, GAUTENG LEGISLATURE; 16 FEBRUARY 2008 Honourable Speaker and Deputy Speaker Colleagues in the Executive Council Honourable Members of the Gauteng Legislature Honourable Members of the National Assembly Mayors, Speakers and Councillors The Director General of Gauteng Chairperson of the Gauteng Youth Commission The...

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