ABSTRACT The Standard Penetration Test (SPT) is used worldwide and is perhaps the most common in situ soil test. A recent paper published in the June 2022 edition of Geomechanics News highlighted the use of the test in current New Zealand practice. This paper explores…
ABSTRACT NZS 1170.5:2004 provides a subsoil classification system of classes A to E, which are determined by specific criteria of soil or rock characteristics. The fundamental site period, T, is a key parameter in the classification system and is particularly useful in deciding between soil…
Abstract The near surface geology of the Auckland area generally comprises alluvial soils, volcanic tuff/ash and/or residual soils. These soils may be expected to display different engineering characteristics given their different geological origins. The soils are mostly cohesive and the undrained shear strength, su, is…
The sleeve friction measurement, fs, is considered to be the least reliable of the three measurements in piezocone testing. It has been shown that the diameter of the friction sleeve in relation to the cone tip diameter has an effect on the sleeve friction measurements (fs). Testing…
