Japanese Geotechnical Society Special Publication
Online ISSN : 2188-8027
ISSN-L : 2188-8027
1. Characterization - Laboratory testing of sand
The effects of dissipated energy on mechanical behavior of carbonate sands using monotonic triaxial tests
H. ShahnazariR. RezvaniM. A.Tutunchian
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2016 年 2 巻 9 号 p. 397-400

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Carbonate sediments which covered approximately 40% of the ocean surface, are located in temperate and tropical areas. This type of soil is typically observed near offshore hydrocarbon Industries. Understanding the mechanical behavior of these sediments was studied in recent decades. Intra-void ratio and particle breakage are two important parameters which affect shearing response of carbonate sediments. In this study two originally different carbonate sands obtained from the Persian Gulf were used. A series of undrained monotonic triaxial tests in different initial relative densities and confining pressures were performed to evaluate the mechanical behaviour of the used sands. The effect of particle breakage on the contraction and dilation phases of the carbonate soils was studied. The input energy done per unit volume of soils was calculated to investigate the effect of this important parameter on mechanical behavior of these soils.
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