oa Civil Engineering = Siviele Ingenieurswese - Problems of foundations on collapsing soils
|Article Title||Problems of foundations on collapsing soils|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineering = Siviele Ingenieurswese|
|Publication Date||Dec 1958|
|Pages||547 - 549|
|Keyword(s)||Collapsing soils and Foundations|
The writer would like to express the view that the collapsing soil phenomenon is perhaps not such an uncommon one as some engineers may think, and he would like to give brief details of three instances in which such soil deposits have recently been encountered in the vicinity of the Witwatersrand. The first was at a site close to the railway college at Kaalfontein, where it was proposed to construct an overhead road bridge over future double track railway lines. The soil profile comprised a loose, red, silty sand with a dry density of 88 lb/cu.ft. to a depth of 24 ft. 6 in. below ground level, followed by a compact broken rock layer of 18 in. thickness constituting the pebble marker, and partly decomposed rock immediately below.
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