INVESTIGATION OF LIQUID ON PRESSURE AND STRESS OF BURIED PIPE UNDER EXPLOSION WAVES

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PARVIZ MOHSEN; Jamali Nader

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE OF CIVIL ENGINEERING ARCHITECTURE AND URBAN PLANNING ELITES
Year:2016 | Issue:2

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Title

INVESTIGATION OF LIQUID ON PRESSURE AND STRESS OF BURIED PIPE UNDER EXPLOSION WAVES

Author(s)

PARVIZ MOHSEN | Jamali Nader

Keywords

STRESS

PRESSURE

ALE

EXPLOSION

LS-DYNA

Abstract

ONE OF THE MOST IMPORTANT LIFELINES IS THE WATER PIPELINES THAT MAY BE SUBJECTED TO EXPLOSION. IN THIS PAPER A PARAMETRIC STUDY ON THE BURIED PIPE IN THE SOIL HAS BEEN PERFORMED DUE TO BLAST LOADING. EFFECTS OF VARIOUS PARAMETERS HAVE BEEN INVESTIGATED SUCH AS PHYSICAL PROPERTIES OF WATER, AIR, SOIL, PIPE AND T.N.T. THE ARBITRARY LAGRANGIAN-EULERIAN METHOD HAS BEEN USED BY THE LS-DYNA SOFTWARE. AN ARBITRARY LAGRANGIAN-EULERIAN ALGORISM IS USED IN ORDER TO PREVENT THE ELEMENT DISTORTION IN LARGE DEFORMATION AND NONLINEAR STRUCTURAL ANALYSES. THE RESULT SHOWS THE PRESSURE AND STRESS VALUE OF THE PIPE CROWN, SLIGHT INCREASE FIRSTLY, THEN INCREASES TO A PEAK AND DECREASES FINALLY. THAT IS BECAUSE THE EXPLOSIVE LOADING DIRECTION IS OPPOSED TO THE PRESSURE OF FLUID IN A BURIED PIPE THAT CAUSING THE PRESSURE DESCENDING. SO, PRESSURE OF FLUID IN BURIED PIPE CAN DO A FAVOR TO STABILIZING PIPE PRESSURE.

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APA: Copy

PARVIZ, MOHSEN, & Jamali, Nader. (2016). INVESTIGATION OF LIQUID ON PRESSURE AND STRESS OF BURIED PIPE UNDER EXPLOSION WAVES. INTERNATIONAL CONFERENCE OF CIVIL ENGINEERING ARCHITECTURE AND URBAN PLANNING ELITES. SID. https://sid.ir/paper/938814/en

Vancouver: Copy

PARVIZ MOHSEN, Jamali Nader. INVESTIGATION OF LIQUID ON PRESSURE AND STRESS OF BURIED PIPE UNDER EXPLOSION WAVES. 2016. Available from: https://sid.ir/paper/938814/en

IEEE: Copy

MOHSEN PARVIZ, and Nader Jamali, “INVESTIGATION OF LIQUID ON PRESSURE AND STRESS OF BURIED PIPE UNDER EXPLOSION WAVES,” presented at the INTERNATIONAL CONFERENCE OF CIVIL ENGINEERING ARCHITECTURE AND URBAN PLANNING ELITES. 2016, [Online]. Available: https://sid.ir/paper/938814/en

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