1887

oa Civil Engineer in South Africa - Statistical comparisons of some geotechnical properties of residual soils in the Johannesburg graben : technical paper

Volume 33, Issue 11
  • ISSN : 0009-7845

 

Abstract

Geomorphological, engineering geological and geotechnical engineering data can be evaluated together using standard statistical methods to determine the likely engineering properties of residual soils. The geomorphological characteristics of land surfaces and the geotechnical properties of the underlying soils are interrelated owing to a common dependence on age. Identification of a particular land surface thus enables geotechnical properties of the subsoils to be more clearly evaluated and even predicted. Statistical comparisons of the quantitative geotechnical properties of soils from different sites enable significant differences in the associated land surfaces to be identified. Recent studies of ancient land surfaces were carried out in the Witwatersrand area near Johannesburg and some long-suspected geomorphic relationships were explored and statistically evaluated.

Die toegepaste wetenskappe van geomorfologie, ingenieursgeologie en geotegniese ingenieurswese kan gekombineer word, deur die gebruik van aanvaarde statistiese metodes, om die waarskynlike ingenieurseienskappe van residuele gronde te bepaal. Soos wat landskappe en hulle kenmerkende grondprofiele verskil met betrekking tot ouderdom, so verskil die geotegniese parameters, en deur die identifisering van die landskap kan die geotegniese eienskappe van die onderliggende grond duideliker geevalueer en selfs voorspel word, wat dit moontlik maak om statisties te bepaal of verskillende landskappe opvallend van mekaar verskil. Navorsing is onlangs in die Witwatersrandgebied naby Johannesburg op oerlandskappe uitgevoer en verskeie vermoedens aangaande geomorfologiese verhoudings is ondersoek en deur statistiese metodes gekwantifiseer.

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/content/civeng1/33/11/EJC25112
1991-11-01
2016-12-11

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