ESTIMATION OF ENGINEERING PROPERTIES OF ROCKS

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KHALESI MOGHADAM S.; KHAMEHCHIAN MASHA ELAH; AMIN NASERI MOHAMMAD REZA

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Journal: JOURNAL OF ENGINEERING GEOLOGY Year:2009 | Volume:3 | Issue:1 Page(s): 513-522

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Title

ESTIMATION OF ENGINEERING PROPERTIES OF ROCKS

Author(s)

KHALESI MOGHADAM S. | KHAMEHCHIAN MASHA ELAH | AMIN NASERI MOHAMMAD REZA | Issue Writer Certificate

Keywords

MULTILAYER PERCEPTRON NEURAL NETWORKQ3

LUGEONQ2

DISCONTINUITY PROPERTIESQ3

MULTIVARIATE REGRESSIONQ3

SHOORQ3

JIROFT DAM SITEQ2

FORECASTINGQ2

Abstract

Estimation of engineering properties of rocks and flow rate is an important issue in rock engineering. Properties of discontinuities have considerable effect on rock mass inflow, because they are the main pass of water flow in fracture rock masses. Despite the bulky research about water flow in rock mass, there is no clear evidence as to relationships between all of these parameters and water inflow in rock masses. Neural network systems have a great advantage in dealing with complicated problems such as FORECASTING, classification and pattern recognition. In this paper, artificial neural network techniques were used in order to forecast LUGEON amount and Hydraulic conductivity behavior of Granodioritic rock mass of SHOOR-Jiroft dam site from some characterization of discontinuities such as Rock quality designation, Fracture frequency, Aperture, Weighted joint density, Fracture zone and depth. Relationships between these factors were analyzed with Simple Linear Regression, MULTIVARIATE REGRESSION and Stepwise Regress-ion. A MULTILAYER PERCEPTRON NEURAL NETWORK (MLPNN) with back propaga-tion procedure was developed for training the network. A Dataset containing 304 values of water pressure test in Granodioritic rock mass of SHOOR-Jiroft Dam project was used to train and test the network with the Levenberg-Marquardt training algorithm. The results indicated that neural network forecast hydraulic conductivity considerably better than regression methods do.

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APA: Copy

KHALESI MOGHADAM, S., KHAMEHCHIAN, MASHA ELAH, & AMIN NASERI, MOHAMMAD REZA. (2009). ESTIMATION OF ENGINEERING PROPERTIES OF ROCKS. JOURNAL OF ENGINEERING GEOLOGY, 3(1), 513-522. SID. https://sid.ir/paper/186395/en

Vancouver: Copy

KHALESI MOGHADAM S., KHAMEHCHIAN MASHA ELAH, AMIN NASERI MOHAMMAD REZA. ESTIMATION OF ENGINEERING PROPERTIES OF ROCKS. JOURNAL OF ENGINEERING GEOLOGY[Internet]. 2009;3(1):513-522. Available from: https://sid.ir/paper/186395/en

IEEE: Copy

S. KHALESI MOGHADAM, MASHA ELAH KHAMEHCHIAN, and MOHAMMAD REZA AMIN NASERI, “ESTIMATION OF ENGINEERING PROPERTIES OF ROCKS,” JOURNAL OF ENGINEERING GEOLOGY, vol. 3, no. 1, pp. 513–522, 2009, [Online]. Available: https://sid.ir/paper/186395/en

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