shear strength behavior of crude oil contaminated sand -concrete interface
Publish place: 10th International Congress on Civil Engineering
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE10_0997
تاریخ نمایه سازی: 19 تیر 1394
Abstract:
A laboratory investigation into crude oil contaminated sand-concrete interface behavior is performed. The interface tests were carried out through a direct shear apparatus. Pure sand and sand-bentonite mixture with different crude oil contents and three concrete surfaces of different textures (smooth, semi-rough, and rough) were examined. The experimental results show that the concrete surface texture is an effective factor in soil-concrete interface shear strength. The interface shear strength of rough concrete surface was found higher than smooth and semi-rough concrete surfaces. In addition to the texture, the normal stress and crude oil content also play important roles in interface shear strength. Moreover, the friction angle decreases with increasing crude oil content due to increase of oil viscosity in soil and it increases with increasing interface roughness.
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Authors
taghi ebadi
assistant professor department of civil & environmental engineering amirkabir university of technology tehran iran
amirhossein mohammadi
ph.d studentdepartment of civil & environmental engineering amirkabir university of technology tehran iran
hamed pouralizadeh
m.sc.studen department of civil & environmental engineering amirkabir university of technology tehran iran
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