n Civil Engineering = Siviele Ingenieurswese - Some practical applications of CSW testing in South Africa : geotechnical engineering




This article discusses the increased use and applicability of the Continuous Surface Wave (CSW) test by using three recently completed projects as examples - a major bridge over the Jukskei River in Gauteng, extensions to the engineering building at Stellenbosch University, and the rehabilitation of a dolomite subsidence on the R21 freeway. These examples prove the value of the test in supplementing information on ground conditions gathered from other investigative methods, in deriving design parameters where no other test method is possible, and as a tool used for quality assurance purposes on a major construction project. In one of the examples significant cost savings of over R2 million were achieved through well-executed geotechnical investigations where particular reliance was placed on the CSW test.


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