Memoirs of the Faculty of Engineering, Yamaguchi University
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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 30 Issue 2
published_at 1980
Dynamic Shear Characteristics of Aso Kuroboku
阿蘇火山灰土の動的セン断特性について
Ohara Sukeo
Yamamoto Tetsuro
About This Article
Descriptions
In order to clarify the property of static and dynamic strengths, and shear modulus of Aso Kuroboku, the folllowing experiments are performed. The dynamic triaxial tests were carried out by the method decreasing a confining pressure during cyclic dynamic loading. Shear modulus in a very low confined stress, such as no surface load is placed on a sample, was measured using a shaking box (Fig. 5) fixed on a shaking table. From the above experiments, it is found that the angle of dynamic shearing resistant of Kuroboku is nearly half of that in the case of static. Furthermore, it seems shear modulus in a range of very low confined stress can be extrapolated from the results of simple shear tests.
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