1887

oa Civil Engineering = Siviele Ingenieurswese - Excavation through saturated decomposed granite by multiple headings with vacuum drainage

Volume 30, Issue 4
  • ISSN : 1021-2000

 

Abstract

The initial 150 m of the second bore of the Du Toitskloof Tunnel was driven through soft decomposed granite by a method of multiple headings with vacuum drainage. By comparison, excavation of the soft-ground section of the first bore was done by ground freezing.

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/content/civeng/30/4/AJA10212019_16019
1988-04-01
2017-02-21

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