A LABORATORY STUDY ON THE PORE PRESSURE GENERATION MODEL FOR FIROUZKOOH SILTY SANDS USING HOLLOW TORSIONAL TEST

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BAZIAR MOHAMMAD HASSAN; SHAHNAZARI HABIB; SHARAFI HASSAN

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Paper Information

Journal: INTERNATIONAL JOURNAL OF CIVIL ENGINEERING Year:2011 | Volume:9 | Issue:2 Page(s): 126-134

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Information Journal Paper

Title

A LABORATORY STUDY ON THE PORE PRESSURE GENERATION MODEL FOR FIROUZKOOH SILTY SANDS USING HOLLOW TORSIONAL TEST

Author(s)

BAZIAR MOHAMMAD HASSAN | SHAHNAZARI HABIB | SHARAFI HASSAN | Issue Writer Certificate

Keywords

LIQUEFACTION

HOLLOW TORSIONAL CYLINDER TEST

FIROUZKOOH SILTY SAND

CYCLIC STRESS RATIO

PORE WATER PRESSURE

Abstract

This paper discusses the applicability of a simple model to predict PORE WATER PRESSURE generation in non-plastic silty soil during cyclic loading. Several Stress-controlled cyclic hollow torsional tests were conducted to directly measure excess PORE WATER PRESSURE generation at different levels of CYCLIC STRESS RATIOs (CSR) for the specimens prepared with different silt contents (SC=0% to 100%). The soil specimens were tested under three different confining pressures (s'3=60, 120, 240 kPa) at a constant relative density (Dr=60%), with different silt contents. Results of these tests were used to investigate the behavior of silty sands under undrained cyclic hollow torsional loading conditions. In general, beneficial effects of the silt were observed in the form of a decrease in excess PORE WATER PRESSURE and an increase in the volumetric strain. Modified model for PORE WATER PRESSURE generation model based on the test results are also presented in this paper. Comparison of the proposed pore pressure build up model with seed's model indicates the advantage of proposed model for soil with large amount of silt.

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APA: Copy

BAZIAR, MOHAMMAD HASSAN, SHAHNAZARI, HABIB, & SHARAFI, HASSAN. (2011). A LABORATORY STUDY ON THE PORE PRESSURE GENERATION MODEL FOR FIROUZKOOH SILTY SANDS USING HOLLOW TORSIONAL TEST. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, 9(2), 126-134. SID. https://sid.ir/paper/271869/en

Vancouver: Copy

BAZIAR MOHAMMAD HASSAN, SHAHNAZARI HABIB, SHARAFI HASSAN. A LABORATORY STUDY ON THE PORE PRESSURE GENERATION MODEL FOR FIROUZKOOH SILTY SANDS USING HOLLOW TORSIONAL TEST. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING[Internet]. 2011;9(2):126-134. Available from: https://sid.ir/paper/271869/en

IEEE: Copy

MOHAMMAD HASSAN BAZIAR, HABIB SHAHNAZARI, and HASSAN SHARAFI, “A LABORATORY STUDY ON THE PORE PRESSURE GENERATION MODEL FOR FIROUZKOOH SILTY SANDS USING HOLLOW TORSIONAL TEST,” INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, vol. 9, no. 2, pp. 126–134, 2011, [Online]. Available: https://sid.ir/paper/271869/en

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