THE EFFECT OF RICE HUSK ASH ON MECHANICAL PROPERTIES OF CLAYEY SOILS STABILIZED WITH LIME IN THE PRESENCE OF SULPHATE

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BAZYAR MOHAMMAD HOSSIN; EBRAHIMI MOSTAFA; ZAMANI LENJANI MAHDI; MAKARCHIAN MASOUD

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Journal: JOURNAL OF ENGINEERING GEOLOGY Year:2017 | Volume:11 | Issue:3 Page(s): 23-52

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Title

THE EFFECT OF RICE HUSK ASH ON MECHANICAL PROPERTIES OF CLAYEY SOILS STABILIZED WITH LIME IN THE PRESENCE OF SULPHATE

Author(s)

BAZYAR MOHAMMAD HOSSIN | EBRAHIMI MOSTAFA | ZAMANI LENJANI MAHDI | MAKARCHIAN MASOUD | Issue Writer Certificate

Keywords

GYPSUM CLAYQ1

UNCONFINED STRENGTHQ1

SWELLING POTENTIALQ1

STABILIZATIONQ1

RICE HUSK ASHQ1

Abstract

Geotechnical engineers, in many cases face with low strength or high SWELLING POTENTIAL of clayey soils. STABILIZATION methods are used to improve the mechanical properties of this type of soils. Lime and cement are the most popular materials used in chemical STABILIZATION of clayey soils. If sulphate exists in the stabilized clayey soil with lime, or if soil is exposed to sulphates, problems such as strength reduction and swelling will occur. Reuse of industrial residual such as RICE HUSK ASH (RHA) can be beneficial from the economy point of view. RHA includes a proper amount of silica with high specific surface area which is very suitable for activating the reaction between the soil and lime. In this paper, chemical STABILIZATION of GYPSUM CLAYs using lime and RHA is addressed.Sulphates exist in the constitution of the soil. Unconfined compression strength and SWELLING POTENTIALs of the stabilized soil are evaluated. The results of this study indicate that RHA has positive impacts on improving mechanical properties of the GYPSUM CLAYs stabilized with lime. From the view point of strength and swelling characteristics, and economy, addition of 6–8% lime and 8-10% RHA as an optimum amount is recommended.

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APA: Copy

BAZYAR, MOHAMMAD HOSSIN, EBRAHIMI, MOSTAFA, ZAMANI LENJANI, MAHDI, & MAKARCHIAN, MASOUD. (2017). THE EFFECT OF RICE HUSK ASH ON MECHANICAL PROPERTIES OF CLAYEY SOILS STABILIZED WITH LIME IN THE PRESENCE OF SULPHATE. JOURNAL OF ENGINEERING GEOLOGY, 11(3 ), 23-52. SID. https://sid.ir/paper/186305/en

Vancouver: Copy

BAZYAR MOHAMMAD HOSSIN, EBRAHIMI MOSTAFA, ZAMANI LENJANI MAHDI, MAKARCHIAN MASOUD. THE EFFECT OF RICE HUSK ASH ON MECHANICAL PROPERTIES OF CLAYEY SOILS STABILIZED WITH LIME IN THE PRESENCE OF SULPHATE. JOURNAL OF ENGINEERING GEOLOGY[Internet]. 2017;11(3 ):23-52. Available from: https://sid.ir/paper/186305/en

IEEE: Copy

MOHAMMAD HOSSIN BAZYAR, MOSTAFA EBRAHIMI, MAHDI ZAMANI LENJANI, and MASOUD MAKARCHIAN, “THE EFFECT OF RICE HUSK ASH ON MECHANICAL PROPERTIES OF CLAYEY SOILS STABILIZED WITH LIME IN THE PRESENCE OF SULPHATE,” JOURNAL OF ENGINEERING GEOLOGY, vol. 11, no. 3 , pp. 23–52, 2017, [Online]. Available: https://sid.ir/paper/186305/en

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