THE STUDY OF DEFORMATION PARAMETERS OF COARSE GRAINED ALLUVIUM OF TEHRAN USING MENARD PRESSUREMETER

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PAHLAVAN B.; FAKHER A.; KHAMEHCHIAN MASHA ELAH; SANIEI H.

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Journal: GEOSCIENCES Year:2003 | Volume:11 | Issue:47-48 Page(s): 96-117

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Title

THE STUDY OF DEFORMATION PARAMETERS OF COARSE GRAINED ALLUVIUM OF TEHRAN USING MENARD PRESSUREMETER

Author(s)

PAHLAVAN B. | FAKHER A. | KHAMEHCHIAN MASHA ELAH | SANIEI H. | Issue Writer Certificate

Keywords

COARSE- GRAINED ALLUVIUM OF TEHRANQ4

PRESSUREMETERQ4

PLATE LOADINGQ3

SHEAR WAVEQ2

SHEAR MODULUSQ2

NON-LINEAR BEHAVIOURQ4

Abstract

The most parts of Tehran area has been covered by coarse-grained alluvium deposits. So far, it has been difficult to obtain accurate strength and deformation parameters of the alluviums using laboratory and conventional in-situ tests.The presented paper explains the problems exist on using Menard PRESSUREMETER in Tehran coarse-grained alluviums, from execution point of view including the preparation of test pocket and operation, and proposes the adequate method. In addition the paper studies the shear moduli of this soils, obtained from Menard PRESSUREMETER, PLATE LOADING and SHEAR WAVE tests.The studies show that the shear moduli of cemented alluvium is, in average, 1.7 to 2 times greater than uncemented one.Also, the shear moduli increase with depth of tests, and the rate of increase is more rapid for cemented one than uncemented. However, because of strain level dependency of SHEAR MODULUS, the shear moduli obtained from pressure meter are smaller than PLATE LOADING and very smaller than SHEAR WAVE moduli. The stress-strain behaviour of Tehran alluvium soils, as expected, is non- linear.

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APA: Copy

PAHLAVAN, B., FAKHER, A., KHAMEHCHIAN, MASHA ELAH, & SANIEI, H.. (2003). THE STUDY OF DEFORMATION PARAMETERS OF COARSE GRAINED ALLUVIUM OF TEHRAN USING MENARD PRESSUREMETER. GEOSCIENCES, 11(47-48), 96-117. SID. https://sid.ir/paper/31710/en

Vancouver: Copy

PAHLAVAN B., FAKHER A., KHAMEHCHIAN MASHA ELAH, SANIEI H.. THE STUDY OF DEFORMATION PARAMETERS OF COARSE GRAINED ALLUVIUM OF TEHRAN USING MENARD PRESSUREMETER. GEOSCIENCES[Internet]. 2003;11(47-48):96-117. Available from: https://sid.ir/paper/31710/en

IEEE: Copy

B. PAHLAVAN, A. FAKHER, MASHA ELAH KHAMEHCHIAN, and H. SANIEI, “THE STUDY OF DEFORMATION PARAMETERS OF COARSE GRAINED ALLUVIUM OF TEHRAN USING MENARD PRESSUREMETER,” GEOSCIENCES, vol. 11, no. 47-48, pp. 96–117, 2003, [Online]. Available: https://sid.ir/paper/31710/en

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