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A study of long-term slope stability in the Sydney Basin, Australia

✍ Scribed by D.L. Dunkerley


Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
858 KB
Volume
10
Category
Article
ISSN
0013-7952

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✦ Synopsis


Dunkerley, D. L., 1976

. A study of long-term slope stability in the Sydney Basin, Australia. Eng. Geol.; 10: 1--12.

A study of slope characteristics in part of the Sydney Basin indicates that landslide occurrence and long-term slope stability are both governed by the residual shear strength of the clay soils which weather from the Triassic shales of this area. Both the present distribution of landslides and the form of the slopes themselves lend support to this conclusion.

It is found that on the Wianamatta shales forming the Razorback Range southwest of Sydney, landslides may only occur on slopes whose inclination exceeds 11 Β° . The average value of ~'r measured in direct shear was found to be 22 Β°. Values of ~r were,found to be very small hut positive.


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