oa Civil Engineer in South Africa - Du Toitskloof - the main tunnel contract
|Article Title||Du Toitskloof - the main tunnel contract|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineer in South Africa|
|Author||L. Tauschinger and L.A.J. Rohrig|
|Publication Date||Jan 1988|
The construction methods employed and the specialized equipment used on the project are described. Details of the design aspects and the construction of the soft ground section to the second tunnel are provided. An alternative technique was used: 'multiple face' excavation supported by vacuum drainage of the ground water table.
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