STUDY ON LIQUEFACTION CHARACTERISTICS OF VOLCANIC ASH SOIL

The Effect of Volcanic Ash Incorporation, Slope and Vegetation on Soil Surface Runoff and Erodibility Characteristics

The effects of Damavand volcanic ash on some morphological and physiological characteristics of Phaseolus vulgaris

The purpose of this study was to investigate the effect of Damavand volcanic ash on the morphological and physiological characteristics of beans as a factorial experiment in a completely randomized design. The results showed that the highest dry leaf weight was observed in 100 mg/L treatment per liter of volcanic ash (0.0099 g). The results also showed that the optimal sugar content of the solu...

Liquefaction of Heterogeneous Soil: Centrifuge Study

A series of centrifuge liquefaction tests have been conducted at C-CORE’s geotechnical centrifuge facility: two on variable soil and one on uniform soil deposits. A single storied frame structure resting on two strip footings was also placed on that soil deposit. Experimental results such as accelerations, excess pore water pressures (EPWP) and settlements were monitored throughout the tests. R...

Hygroscopic Properties of Volcanic Ash

Limited observational data exists on the physical interactions between volcanic ash particles and water vapor; yet it is thought that these interactions can strongly impact the microphysical evolution of ash, with implications for its atmospheric lifetime and transport, as well as formation of water and ice clouds. In this study, we investigate for the first time, the hygroscopic properties of ...

Absorption of copper (Cu2+) and nickel (Ni2+) from aqueous solutions by volcanic ash soil

Introduction: Natural volcanic ash soil is one of minerals whose major contents are metal oxides. In this study absorption of copper (Cu2+) and nickel (Ni2+) on natural volcanic ash soil has been investigated at 27±1c as a function of PH, metal concentration, contact time and the amount of sorbet, using batch experiments. Methods: The necessary samples of natural volcanic ashes were collected...