Utilization Potential of Glass Fiber and Crumbled Rubber as Subgrade Reinforcement for Expansive Soil

Mahmoud Al-Khazaleh, Dua’a O. Al-Masri, Mohamad H. S. Al-Khodari, Diya' A. Y. Hamdan, Ala'a A. Y. Hamdan, Mohammad N. M. Bani Atta

Abstract


Due to its high potential for volume change, expansive soil is a problematic building material that can cause harm to road infrastructure. The purpose of this study is to examine the effect of glass fiber and rubber on the properties of expansive soil and their suitability as subgrade reinforcement in road applications. For different percentages of glass fiber and rubber in the soil, the Maximum Dry Density (MDD), Optimum Moisture Content (OMC), and CBR were measured. The results demonstrated that the incorporation of glass fiber and rubber improved the soil's properties. With increasing fiber and rubber content, the MDD and CBR increased, while the OMC decreased. In addition, the strength of the reinforced soil was significantly greater than that of the unreinforced soil. The research indicates that the addition of glass fiber and rubber can improve the efficacy of expansive soil as subgrade reinforcement in road applications.

 

Doi: 10.28991/HEF-2023-04-03-06

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Keywords


Glass Fiber; Rubber Fiber; Expansive Soil; Soil Reinforcement; California Bearing Ratio.

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DOI: 10.28991/HEF-2023-04-03-06

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Copyright (c) 2024 Mahmoud Al-Khazaleh, Dua’a O. Al-Masri, Mohamad H. S. Al-Khodari, Diya' A. Y. Hamdan, Ala'a A. Y. Hamdan, Mohammad N. M. Bani Atta