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Effects of geofoam grains on soil shear strength parameters using direct shear test

Credit to Download: 1 | Page Numbers 9 | Abstract Views: 145
Year: 2017
Present: ارايه پوستري
COI code: ICSAU05_0446
Paper Language: English

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Authors Effects of geofoam grains on soil shear strength parameters using direct shear test

  MAHDI MOHAMAD JAFARI - M.A student in field of soil and foundation , school of engineering , central Tehran branch , Islamic Azad university , Tehran , Iran


In the study , the properties of shear resistance of geofoam-sand mixture and sand have been investigated by the direct shear experiment. The direct shear experiments have been performed with three vertical stresses ( 50 , 100 , 150 kpa) in form of 10*10 cm. Geofoam-sand mixtures have been remade with 0.2 , 0.4 and 0.6 weight percent of geofoam and two sizes of granules ( fine passing through sieve 10 and coarse remaining on sieve 4). Results from the experiments show that friction angle , dilatation amount decrease in sand and pseudo- cohesion increases in geofoam-sand mixture when weight percent of geofoam is increased. By increasing the vertical stress in this mixture ( with same weight percent of geofoam) , the shear resistance is increased and dilatation is c decreased. The coarse geofoam-sand mixture ( in a same weight percent of geofoam) has less shear resistance and higher dilatation than fine geofoam-sand mixture


Geofoam , internal friction angle, shear resistance , direct shear test

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COI code: ICSAU05_0446

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MOHAMAD JAFARI, MAHDI, 2017, Effects of geofoam grains on soil shear strength parameters using direct shear test, 5th international congress of structure, architecture and urban development, تهران, دبيرخانه دايمي كنفرانس, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
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The University/Research Center Information:
Type: Azad University
Paper No.: 11498
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