Effect of number of freeze-thaw cycles on physical and mechanical properties of Lushan sandstone and cement mortar

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Abdolghanizadeh Koorosh; HOSSEINI MEHDI; Saghafiyazdi Morteza

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Journal: ENGINEERING GEOLOGY Year:2019 | Volume:11 | Issue:4 Page(s): 25-39

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Information Journal Paper

Title

Effect of number of freeze-thaw cycles on physical and mechanical properties of Lushan sandstone and cement mortar

Author(s)

Abdolghanizadeh Koorosh | HOSSEINI MEHDI | Saghafiyazdi Morteza | Issue Writer Certificate

Keywords

physicalQ1

mechanical propertiesQ1

Freeze-thaw cycleQ2

SandstoneQ1

cement mortarQ1

Abstract

Freeze-thaw process is one of these factors which extensively affects rocks and concrete properties. Thus, taking its impact on physical and mechanical properties of materials into account is required in the regions susceptible to the process. In most of the previous studies, the freezing and thawing periods' temperatures and their duration were chosen regardless of the weather conditions of the regions susceptible to the freeze-thaw process and regarding cement-based materials, the investigations were focused on concrete and there are a few studies on freeze-thaw effect on cement mortar. This study addressed the effect of number of Freeze-thaw cycles on porosity, uniaxial compressive strength and Brazilian tensile strength of Sandstone and cement mortar specimens considering the climatic data of western and northwestern regions of Iran in which the occurrence of freeze-thaw process is possible. Furthermore, the computerized scan (CT) was carried out on the Sandstone specimen to examine the damage resulting from freeze-thaw. The results indicated that the increase in the number of Freeze-thaw cycles caused in linear increase in the porosity of the specimens, while reducing their uniaxial and tensile strength. The study of the CT images also showed that the damage factor was increased by increasing the number of cycles.

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APA: Copy

Abdolghanizadeh, Koorosh, HOSSEINI, MEHDI, & Saghafiyazdi, Morteza. (2019). Effect of number of freeze-thaw cycles on physical and mechanical properties of Lushan sandstone and cement mortar. ENGINEERING GEOLOGY, 11(4 ), 25-39. SID. https://sid.ir/paper/380385/en

Vancouver: Copy

Abdolghanizadeh Koorosh, HOSSEINI MEHDI, Saghafiyazdi Morteza. Effect of number of freeze-thaw cycles on physical and mechanical properties of Lushan sandstone and cement mortar. ENGINEERING GEOLOGY[Internet]. 2019;11(4 ):25-39. Available from: https://sid.ir/paper/380385/en

IEEE: Copy

Koorosh Abdolghanizadeh, MEHDI HOSSEINI, and Morteza Saghafiyazdi, “Effect of number of freeze-thaw cycles on physical and mechanical properties of Lushan sandstone and cement mortar,” ENGINEERING GEOLOGY, vol. 11, no. 4 , pp. 25–39, 2019, [Online]. Available: https://sid.ir/paper/380385/en

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