An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer

Mazhar Syed; Sai Kiran Chukka; Anasua GuhaRay

doi:10.1007/978-981-97-1753-8_4

An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer

Mazhar Syed, Sai Kiran Chukka, Anasua GuhaRay^*

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Untreated expansive subgrade soil attains weak geomechanical stability against periodic moisture fluctuation, leading to massive damage on pavement structures. Traditional binders degrade the atmosphere by producing greenhouse gases. This study examines the geoengineering effectiveness of glass fiber composite alkaline binder mixed soil (GF-AS) with different fly ash-sugarcane bagasse ash (SBA) percentages. Alkaline stabilizer (AS) is formed by reacting an alkali solution (NaOH + Na2SiO3) with industrial residual pozzolanic precursors (sugarcane bagasse + fly ash) at 0.4 water-to-solids ratios. The effects of fiber, SBA, and binder doses on the penetration resistance and indirect tensile strength (ITS) in fiber-reinforced soil are quite significant. Mineralogical and morphological studies using powder X-ray crystallography and field emission scanning electron micrographs are conducted to understand the micro surface texture between soil-fiber mixture. The alkaline-fiber soil exhibits higher interfacial bonding and interlocking density compared to lime-fiber soil. A finite element analysis carried out in commercially available software to assess the strength performance of soil with varying binder content in subgrade applications shows that the alkaline-treated subgrade soil exhibits less deformation compared to the lime-treated soil.

Original language	English
Title of host publication	Proceedings of the Indian Geotechnical Conference 2022 Volume 4 - Geotechnics
Subtitle of host publication	Learning, Evaluation, Analysis and Practice GEOLEAP
Editors	Babu T. Jose, Dipak Kumar Sahoo, Anand J. Puppala, C. N. V. Satyanarayana Reddy, Benny Mathews Abraham, Ravikiran Vaidya
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	37-46
Number of pages	10
ISBN (Print)	9789819717521
DOIs	https://doi.org/10.1007/978-981-97-1753-8_4
State	Published - 2024
Externally published	Yes
Event	Indian Geotechnical Conference, IGC 2022 - Kochi, India Duration: 15 Dec 2022 → 17 Dec 2022

Publication series

Name	Lecture Notes in Civil Engineering
Volume	479 LNCE
ISSN (Print)	2366-2557
ISSN (Electronic)	2366-2565

Conference

Conference	Indian Geotechnical Conference, IGC 2022
Country/Territory	India
City	Kochi
Period	15/12/22 → 17/12/22

Bibliographical note

Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

Keywords

Alkaline stabilizer
Finite element model
Glass fiber reinforcement
Microstructure
Subgrade soil

ASJC Scopus subject areas

Civil and Structural Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1007/978-981-97-1753-8_4

Cite this

Syed, M., Chukka, S. K., & GuhaRay, A. (2024). An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer. In B. T. Jose, D. K. Sahoo, A. J. Puppala, C. N. V. S. Reddy, B. M. Abraham, & R. Vaidya (Eds.), Proceedings of the Indian Geotechnical Conference 2022 Volume 4 - Geotechnics: Learning, Evaluation, Analysis and Practice GEOLEAP (pp. 37-46). (Lecture Notes in Civil Engineering; Vol. 479 LNCE). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-981-97-1753-8_4

Syed, Mazhar ; Chukka, Sai Kiran ; GuhaRay, Anasua. / An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer. Proceedings of the Indian Geotechnical Conference 2022 Volume 4 - Geotechnics: Learning, Evaluation, Analysis and Practice GEOLEAP. editor / Babu T. Jose ; Dipak Kumar Sahoo ; Anand J. Puppala ; C. N. V. Satyanarayana Reddy ; Benny Mathews Abraham ; Ravikiran Vaidya. Springer Science and Business Media Deutschland GmbH, 2024. pp. 37-46 (Lecture Notes in Civil Engineering).

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title = "An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer",

abstract = "Untreated expansive subgrade soil attains weak geomechanical stability against periodic moisture fluctuation, leading to massive damage on pavement structures. Traditional binders degrade the atmosphere by producing greenhouse gases. This study examines the geoengineering effectiveness of glass fiber composite alkaline binder mixed soil (GF-AS) with different fly ash-sugarcane bagasse ash (SBA) percentages. Alkaline stabilizer (AS) is formed by reacting an alkali solution (NaOH + Na2SiO3) with industrial residual pozzolanic precursors (sugarcane bagasse + fly ash) at 0.4 water-to-solids ratios. The effects of fiber, SBA, and binder doses on the penetration resistance and indirect tensile strength (ITS) in fiber-reinforced soil are quite significant. Mineralogical and morphological studies using powder X-ray crystallography and field emission scanning electron micrographs are conducted to understand the micro surface texture between soil-fiber mixture. The alkaline-fiber soil exhibits higher interfacial bonding and interlocking density compared to lime-fiber soil. A finite element analysis carried out in commercially available software to assess the strength performance of soil with varying binder content in subgrade applications shows that the alkaline-treated subgrade soil exhibits less deformation compared to the lime-treated soil.",

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Syed, M, Chukka, SK & GuhaRay, A 2024, An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer. in BT Jose, DK Sahoo, AJ Puppala, CNVS Reddy, BM Abraham & R Vaidya (eds), Proceedings of the Indian Geotechnical Conference 2022 Volume 4 - Geotechnics: Learning, Evaluation, Analysis and Practice GEOLEAP. Lecture Notes in Civil Engineering, vol. 479 LNCE, Springer Science and Business Media Deutschland GmbH, pp. 37-46, Indian Geotechnical Conference, IGC 2022, Kochi, India, 15/12/22. https://doi.org/10.1007/978-981-97-1753-8_4

An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer. / Syed, Mazhar; Chukka, Sai Kiran; GuhaRay, Anasua.
Proceedings of the Indian Geotechnical Conference 2022 Volume 4 - Geotechnics: Learning, Evaluation, Analysis and Practice GEOLEAP. ed. / Babu T. Jose; Dipak Kumar Sahoo; Anand J. Puppala; C. N. V. Satyanarayana Reddy; Benny Mathews Abraham; Ravikiran Vaidya. Springer Science and Business Media Deutschland GmbH, 2024. p. 37-46 (Lecture Notes in Civil Engineering; Vol. 479 LNCE).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Chukka, Sai Kiran

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N1 - Publisher Copyright: © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

PY - 2024

Y1 - 2024

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AB - Untreated expansive subgrade soil attains weak geomechanical stability against periodic moisture fluctuation, leading to massive damage on pavement structures. Traditional binders degrade the atmosphere by producing greenhouse gases. This study examines the geoengineering effectiveness of glass fiber composite alkaline binder mixed soil (GF-AS) with different fly ash-sugarcane bagasse ash (SBA) percentages. Alkaline stabilizer (AS) is formed by reacting an alkali solution (NaOH + Na2SiO3) with industrial residual pozzolanic precursors (sugarcane bagasse + fly ash) at 0.4 water-to-solids ratios. The effects of fiber, SBA, and binder doses on the penetration resistance and indirect tensile strength (ITS) in fiber-reinforced soil are quite significant. Mineralogical and morphological studies using powder X-ray crystallography and field emission scanning electron micrographs are conducted to understand the micro surface texture between soil-fiber mixture. The alkaline-fiber soil exhibits higher interfacial bonding and interlocking density compared to lime-fiber soil. A finite element analysis carried out in commercially available software to assess the strength performance of soil with varying binder content in subgrade applications shows that the alkaline-treated subgrade soil exhibits less deformation compared to the lime-treated soil.

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Syed M, Chukka SK, GuhaRay A. An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer. In Jose BT, Sahoo DK, Puppala AJ, Reddy CNVS, Abraham BM, Vaidya R, editors, Proceedings of the Indian Geotechnical Conference 2022 Volume 4 - Geotechnics: Learning, Evaluation, Analysis and Practice GEOLEAP. Springer Science and Business Media Deutschland GmbH. 2024. p. 37-46. (Lecture Notes in Civil Engineering). doi: 10.1007/978-981-97-1753-8_4

An Experimental Investigation and Numerical Modeling of Glass Fiber-Reinforced Expansive Subgrade Soil With Alkaline Stabilizer

Abstract

Publication series

Conference

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

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Cite this