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The Effect of Stress Path and Line Surcharge in Seismic Pressure on Walls in Cohesive-Frictional Soils

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 38
Year: 2019
COI code: ICSAU06_0523
Paper Language: English

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Authors The Effect of Stress Path and Line Surcharge in Seismic Pressure on Walls in Cohesive-Frictional Soils

Mojtaba Ahmadabadi - Lecturer and faculty member at Shiraz Art Institute of Higher Education, Shiraz, Iran
Karim Zohrabi - Lecturer and faculty member at Shiraz Art Institute of Higher Education, Shiraz, Iran
Mitra Khaksar - Student of Shiraz Art Institute of Higher Education, Shiraz, Iran
Najme Rastegar - Student of Shiraz Art Institute of Higher Education, Shiraz, Iran
Zahra Ghayemi - Student of Shiraz Art Institute of Higher Education, Shiraz, Iran
Maryam Asgari - Student of Shiraz Art Institute of Higher Education, Shiraz, Iran

Abstract:

The position of the title in this section is 120 mm from the top of the page or upper edge. In this paper, due to the effect of surcharge on wall, diagrams are presented for wall design. In these diagrams, without the need for formulation, pressure on the wall can be determined under the effect of surcharge. These graphs are in seismic mode and cohesive-frictional soils. All graphs are dimensionless and are for all heights and soil specific gravity. In this paper, the effect of the wall parameters has been studied. The results show that in high surcharges, the effect of surcharge is far greater than the impact of pseudostatic seismic acceleration coefficient. Also, increasing of line surcharge and horizontal acceleration coefficient of earthquake increase the seismic pressure coefficient and seismic force on the wall, contrary to the adhesion and internal angle of friction of the soil, which reduces the seismic pressure coefficient. In view of the fact that a wall in the period of time T to reach the acceleration coefficient Kh should experience all different seismic coefficients at different times, the stress path on the wall is plotted at this period of time. These graphs are also dimensionless and are for different soils, and in other cases, interpolation can be used.

Keywords:

active earth pressure, line surcharge, angle of internal friction, stress path effect, retaining wall

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COI code: ICSAU06_0523

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Ahmadabadi, Mojtaba; Karim Zohrabi; Mitra Khaksar; Najme Rastegar; Zahra Ghayemi & Maryam Asgari, 2019, The Effect of Stress Path and Line Surcharge in Seismic Pressure on Walls in Cohesive-Frictional Soils, 6th. National Congress on civil engineering, architecture and urban development, تهران- دانشگاه علم و صنعت ايران, دبيرخانه دائمي كنگره-دانشگاه ميعاد با همكاري دانشگاه شيراز - دانشگاه مراغه و دانشگاه علم و صنعت ايران, https://www.civilica.com/Paper-ICSAU06-ICSAU06_0523.htmlInside 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.
First Time: (Ahmadabadi, Mojtaba; Karim Zohrabi; Mitra Khaksar; Najme Rastegar; Zahra Ghayemi & Maryam Asgari, 2019)
Second and more: (Ahmadabadi; Zohrabi; Khaksar; Rastegar; Ghayemi & Asgari, 2019)
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