Effect of uncertainty of hydraulic conductivity and number of samples in Monte-Carlo method on time-dependent variation of soil consolidation

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Malekpour amir; Sadeghiyan Nima; MOHAMMADI MAHTAB

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Journal: Iranian Journal of Soil and Water Research Year:2018 | Volume:49 | Issue:4 Page(s): 739-749

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Title

Effect of uncertainty of hydraulic conductivity and number of samples in Monte-Carlo method on time-dependent variation of soil consolidation

Author(s)

Malekpour amir | Sadeghiyan Nima | MOHAMMADI MAHTAB | Issue Writer Certificate

Keywords

FineQ1

grained soil;LogQ1

normal distribution;poreQ1

water pressure;probabilistic analysisQ2

Abstract

The uncertainty of hydraulic conductivity plays an important role in probabilistic analysis of consolidation of soils. In current research, a computer program was developed in MATLAB and solving the governing partial differential equation using numerical finite difference method, it was applied as the basis solution to Monte-Carlo simulation. Meanwhile, the effect of number of random samples was investigated applying 100 and 1000 samples from log-normal distribution of hydraulic conductivity (related to a land located in Saravan-Guilan) into the probabilistic consolidation model. The results showed that the probabilistic distribution curve of pore-water pressure becomes flatter with time and the uncertainty increases. Increasing the number of hydraulic conductivity samples from 100 to 1000 caused negligible effect on the probabilistic distribution of pore-water pressure. Moreover, the greatest goodness of fit of normal distribution to pore-water pressure obtained close to the soil surface and 23 percent greater than the center of soil layer.

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APA: Copy

Malekpour, amir, Sadeghiyan, Nima, & MOHAMMADI, MAHTAB. (2018). Effect of uncertainty of hydraulic conductivity and number of samples in Monte-Carlo method on time-dependent variation of soil consolidation. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 49(4 ), 739-749. SID. https://sid.ir/paper/225473/en

Vancouver: Copy

Malekpour amir, Sadeghiyan Nima, MOHAMMADI MAHTAB. Effect of uncertainty of hydraulic conductivity and number of samples in Monte-Carlo method on time-dependent variation of soil consolidation. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2018;49(4 ):739-749. Available from: https://sid.ir/paper/225473/en

IEEE: Copy

amir Malekpour, Nima Sadeghiyan, and MAHTAB MOHAMMADI, “Effect of uncertainty of hydraulic conductivity and number of samples in Monte-Carlo method on time-dependent variation of soil consolidation,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 49, no. 4 , pp. 739–749, 2018, [Online]. Available: https://sid.ir/paper/225473/en

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