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1

Yu, Yiting, Huimin Peng, and Jiangu Qian. "Numerical modeling bearing capacity in wetting unsaturated expansive soils." IOP Conference Series: Earth and Environmental Science 1330, no. 1 (2024): 012055. http://dx.doi.org/10.1088/1755-1315/1330/1/012055.

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Abstract To address the load-bearing deterioration of expansive soils uplift pile foundation after moisture absorption, a coupled seepage-soil deformation model for unsaturated expansive soils is implemented into ABAQUS. This modeling work consists primarily of two aspects: (1) The total strain of expansive soils has been decoupled into two parts, i.e., one caused by external loads and calculated by using Mohr-Coulomb plasticity model, and the other induced by wetting swelling and modeled by defining the moisture-swelling relation curve of expansive soils; (2) User-defined field subroutine (US
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2

Yang, He-Ping, Jian-Long Zheng, and Rui Zhang. "Addressing Expansive Soils." Civil Engineering Magazine Archive 77, no. 3 (2007): 62–69. http://dx.doi.org/10.1061/ciegag.0000112.

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3

A Putri, Christy, Widjojo A Prakoso, and Wiwik Rahayu. "Review of classification methods to determine expansion degree of expansive soils in Indonesia." E3S Web of Conferences 347 (2022): 03006. http://dx.doi.org/10.1051/e3sconf/202234703006.

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Expansive soils are one of the problematic soils that can cause damage to structures, such as buildings and roads. In Indonesia, the geographical distribution of expansive soils is quite widespread, in many regions including Java, Sumatera, and Papua. This study was conducted by reviewing previous research on the expansion degree of expansive soils. The suitability of the expansion degree indicated by the activity method, Van der Merwe’s criteria, and Chen’s criteria were evaluated by comparing a series of laboratory test results to these criteria. It was observed that the expansion degree ind
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4

Wang, Ming Wu, Shuai Qin, and Peng Hua. "Risk Analysis of Shrink and Expansion for Expansive Soils and Improved Expansive Soils in the Xinqiao Airport Runway of Hefei." Applied Mechanics and Materials 90-93 (September 2011): 1307–12. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.1307.

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Risk analysis of shrinking and swelling of expansive soils and improved expansive soils with lime (IESL) for airport runway projection is a complex uncertainty problem. To select the rational foundation treatment plan and ensure the safe operation of runway, herein combined with the features of expansive soils in the runway area of Xinqiao international airport of Hefei, a novel risk analysis method was proposed to classify shrinkage and swell of expansive soils and IESLs by means of coupling set pair analysis with stochastic simulation of triangular fuzzy numbers. A function of six elements c
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5

Samidurai, V. "Influence of Flyash on expansive Soils." International journal of Emerging Trends in Science and Technology 03, no. 03 (2017): 4998–5003. http://dx.doi.org/10.18535/ijetst/v4i3.03.

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6

Yang, Hai Ying, and Yun Liu. "Methods of Support Vector Machine on Classification of Expansive Soils." Advanced Materials Research 531 (June 2012): 562–65. http://dx.doi.org/10.4028/www.scientific.net/amr.531.562.

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The classification of the grade of shrink and expansion for the expansive soils was the initial and essential work for engineering construction in expansive soil area. Based on the principle of support vector machine analysis, a classification model of expansive was established in this paper, including five indexes reflecting the shrink and expansion of expansive soil, liquid limit, swell-shrink total ratio, plasticity index, water contents and free expansive ratio and functions were obtained through training a large set of expansive samples. It was shown that the classification model of SVM a
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7

Neethu, John, Nihal N. Mohamed, KS Niveditha, Das Renil, and Prakash J. Ridhick. "Alkali Interaction with Expansive and Non Expansive Soils." Applied Science and Engineering Journal for Advanced Research 4, no. 2 (2025): 8–14. https://doi.org/10.5281/zenodo.15107823.

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This research examines the interaction of alkali contaminants with both expansive and non-expansive soils, specifically black cotton soil and red soil, while assessing the effectiveness of sulphur and gypsum in restoring soil pH for geotechnical stability. Alkaline contamination, commonly caused by industrial effluents, construction activities, and agricultural practices, alters soil behavior by influencing its strength, swelling-shrinkage properties, and overall suitability for construction and infrastructure development. Laboratory experiments are conducted to evaluate the impact of alkalini
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8

Ho, David Y. F. "Foundations on expansive soils." Canadian Geotechnical Journal 26, no. 4 (1989): 770–71. http://dx.doi.org/10.1139/t89-099.

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9

Houston, Sandra L., Heather B. Dye, Claudia E. Zapata, Kenneth D. Walsh, and William N. Houston. "Study of Expansive Soils and Residential Foundations on Expansive Soils in Arizona." Journal of Performance of Constructed Facilities 25, no. 1 (2011): 31–44. http://dx.doi.org/10.1061/(asce)cf.1943-5509.0000077.

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10

You, Qi Yong. "Numerical Simulation of the Stability of Added Lime Expansive Soils Embankment." Advanced Materials Research 838-841 (November 2013): 821–24. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.821.

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The main reason of expansive soil embankment slope landslide is the infiltration of rainwater. Analyzing engineering characteristics and failure mechanism of expansive soil embankment slope, considering the force of expansion under the infiltration of rainwater, and choosing the appropriate constitutive model, simulate expansive soil embankment slope under humidification state. According different conditions of the expansive soil and different depth of infiltration, and simplifying the swelling force, establish a simple and reasonable model of expansion force changes. Expansive soil embankment
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11

Holanda, Maria Júlia de Oliveira, Jesce John da Silva Borges, Samuel França Amorim, Silvio Romero de Melo Ferreira, and Larissa Ferreira Gomes de Araújo. "Classification of expansive soils among problematic soils in the brazilian semiarid from artificial neural networks." Caderno Pedagógico 21, no. 9 (2024): e7408. http://dx.doi.org/10.54033/cadpedv21n9-015.

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The climatological and geomorphological conditions of the Brazilian semiarid region favor the formation of potentially expansive soils. The development of neural networks to identify and classify expansive soils in Pernambuco, and the need to export to soils across the semiarid region of Brazil is investigated in this study using a Multi-Layer Perceptron (backpropagation). The neural network was developed using 87 experimental data points, divided into three groups. The Training Group, consisting of 53 samples, using data inputs: sand percentage, clay percentage, plasticity index, activity ind
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12

Wang, Ming Wu, Kang Ge, and Da Rong Zhu. "Experimental Study of Engineering Behaviors on Improved Expansive Soils in the Xinqiao Airport Runway of Hefei." Advanced Materials Research 261-263 (May 2011): 1329–35. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.1329.

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Foundation treatment of expansive soils is a complex worldwide problem. Herein engineering behaviors of expansive soils and improved expansive soils with lime (IESL) in the runway area of Xinqiao international airport of Hefei were investigated by means of laboratory experiments and field tests. It was concluded that the expansive soils of mean plasticity index 24.2, and optimum moisture content of 16% in the engineering area, behaved weak and medium expansive potential. The plastic index of improved expansive soil of 7% lime mixed indoor and of 8% lime incorporated on site dropped to 20 and 1
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13

Chakravarthy, Thokala, and K. Shyam Chamberlin. "Fly ash and bagasse ash embankment in flexible pavements for the analysis and strengthening of black cotton soil’s strength stabilized properties." E3S Web of Conferences 391 (2023): 01005. http://dx.doi.org/10.1051/e3sconf/202339101005.

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Soil stabilization is necessary to increase the soil’s durability, volume stability, and engineering expansion strength. Expansive soils (also known as black cotton soil), a problem that affects the entire world and poses various challenges for civil engineers, are extremely hard while dry but completely lose their strength when wet. In this study, fly ash has been employed to stabilize the soil. Five, ten, twenty, and twenty-five percent of fly ash was used in the experiments. Bagasse ash is an easily accessible byproduct of the sugar cane refining process that has negative environmental effe
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14

Han, Liwei, Wenhui Ji, Liyuan Ma, Ruibin Guo, Yifan Zhang, and Hongyang Zhang. "Microscopic Mechanisms and Evolution Models of Crack Development in an Expansive Soil under Conditions of Rainfall Evaporation Cycles." Sustainability 16, no. 17 (2024): 7617. http://dx.doi.org/10.3390/su16177617.

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Expansive soil is a special soil type that undergoes volume expansion during hygroscopicity and volume contraction during dehumidification. In this study, the effects of rainfall–evaporation cycles on the microscopic pores and cracks of expansive soils under different rainfall intensities were analyzed by simulating light rainfall, medium rainfall, and high-temperature drought environments using nuclear magnetic resonance (NMR) technology and image processing methods. The results showed that the micropores and small medium pores of the expanded soil gradually evolved into macropores during the
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15

Ibrahim, Hawkar, and Rizgar Hummadi. "Swelling potential and swelling pressure calculation methods: A comprehensive review." Edelweiss Applied Science and Technology 9, no. 2 (2025): 172–92. https://doi.org/10.55214/25768484.v9i2.4442.

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Expansive soils, characterized by volume changes due to variations in water content, significantly affect geotechnical engineering. Proper assessment of swelling potential and swelling pressure is essential for improving foundation design on expansive soils, enabling a reduction in risks arising from soil expansion. Different methods for measuring and calculating swelling potential and swelling pressure have been developed, ranging from empirical to analytical approaches, many of which are based on laboratory tests and analysis of soil properties. The paper presents a new classification of the
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16

Al-Rawas, Amer Ali, and A. McGown. "Microstructure of Omani expansive soils." Canadian Geotechnical Journal 36, no. 2 (1999): 272–90. http://dx.doi.org/10.1139/t98-111.

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The fundamental factors controlling the expansive nature of Omani soils are their characteristics with respect to geology, mineralogy, engineering, and microstructure. The first three factors have been extensively studied, however, the fourth has not yet been fully investigated and no work has been published on this aspect. Therefore, this paper deals with the microstructure characteristics of these soils. The scanning electron microscope was employed in this investigation. Three samples selected from different sites where expansive soils problems were known (Al-Khod, Al-Murtafa'a, and Duqm) w
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17

Sridharan, A., and K. Prakash. "Classification procedures for expansive soils." Proceedings of the Institution of Civil Engineers - Geotechnical Engineering 143, no. 4 (2000): 235–40. http://dx.doi.org/10.1680/geng.2000.143.4.235.

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18

Nagaraj, H., M. Munnas, and A. Sridharan. "Swelling behavior of expansive soils." International Journal of Geotechnical Engineering 4, no. 1 (2010): 99–110. http://dx.doi.org/10.3328/ijge.2010.04.01.99-110.

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19

A. Al-Neami, Mohammad, and Farah S. Al-Jabary. "Wedge Foundation in Expansive Soils." Engineering and Technology Journal 27, no. 13 (2009): 2307–18. http://dx.doi.org/10.30684/etj.27.13.5.

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20

Zamin, Bakht, Hassan Nasir, Muhammad Ali Sikandar, et al. "Comparative Study on the Field- and Lab-Based Soil-Water Characteristic Curves for Expansive Soils." Advances in Civil Engineering 2022 (May 2, 2022): 1–9. http://dx.doi.org/10.1155/2022/6390442.

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Expansive soils are problematic and viewed as a potential hazard for buildings and structures due to swell and shrink phenomena. The damaging effect of these soils is strongly correlated with the soil-water characteristics of expansive soils present in the shallow depth. The seasonal wetting-drying cycle is vital in fluctuating moisture content in the surficial soils. As such, soils remain unsaturated most of the time due to high absorption capacity. Therefore, it is crucial to assess them as unsaturated soil, and the soil-water characteristic curve (SWCC) is an essential tool for measuring un
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21

Tian, Xuwen, Hongbin Xiao, Zixiang Li, Zhenyu Li, Huanyu Su, and Qianwen Ouyang. "Experimental Study on the Strength Characteristics of Expansive Soils Improved by the MICP Method." Geofluids 2022 (March 25, 2022): 1–10. http://dx.doi.org/10.1155/2022/3089820.

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Microbially induced calcite precipitation (MICP) has been a promising method to improve geotechnical engineering properties; however, there are few literatures about the application of the MICP method to improve the strength characteristics of expansive soils with low permeability. In this paper, a series of CD triaxial tests were carried out to investigate the effect of the MICP method on the strength characteristics of the expansive soils. The results show that the shear strength of the specimens increased with the increase in the cementation solution and eventually reached a stable value. T
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22

Martínez, Domingo E., and Gilberto Q. Sotolongo. "Comprehensive Methodology for the Evaluation of Clay Expansiveness. A Case Study." Soils and Rocks 31, no. 3 (2008): 145–49. http://dx.doi.org/10.28927/sr.313145.

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Although expansive soils have been widely studied by different authors, just a few have made methodological proposals to comprehensively evaluate this phenomenon. The aim of this paper is to suggest a methodology which will serve as guideline to evaluate soil expansiveness in a comprehensive way. This methodology comprises a series of tasks: identification and classification of potentially expansive soils, estimation of the active zone depth, quantification of the expansion, calculation of heave and choice of a solution.
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23

Chen, Junhua, Jiejie Mu, Aijun Chen, Yao Long, Yanjiang Zhang, and Jinfeng Zou. "Experimental Study on the Properties of Basalt Fiber–Cement-Stabilized Expansive Soil." Sustainability 16, no. 17 (2024): 7579. http://dx.doi.org/10.3390/su16177579.

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Expansive soil is prone to rapid strength degradation caused by repeated volume swelling and shrinkage under alternating dry–wet conditions. Basalt fiber (BF) and cement are utilized to stabilize expansive soil, aiming to curb its swelling and shrinkage, enhance its strength, and ensure its durability in dry–wet cycles. This study examines the impact of varying content (0–1%) of BF on the physical and mechanical characteristics of expansive soil stabilized with a 6% cement content. We investigated these effects through a series of experiments including compaction, swelling and shrinkage, uncon
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24

Harianja, Tami Silvia, Hendry, Dewi Amalia, Geni Firuliadhim, and Muchtar. "Comparison of the effectiveness of micromaterials and nanomaterials of lime as a stabilizing agent for expansive soils on the value of the plasticity index." E3S Web of Conferences 479 (2024): 06003. http://dx.doi.org/10.1051/e3sconf/202447906003.

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Expansive soils are soils that have high shrinkage expansion. This condition is detrimental to buildings on it. Losses due to swelling and shrinkage in expansive soils require stabilization with quicklime with varying particle sizes of materials needed to reduce soil swelling and shrinkage. Stabilization with nano has been widely used. However, the procurement of nanomaterials is very expensive. Therefore, this paper will explain the effectiveness of micromaterials when compared to nanomaterials. The main focus that will be discussed in this paper is how the comparison of plasticity index (PI)
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25

Wei, Jianhu, Jianmeng Wei, Qijun Huang, Sheikh Mohd Iqbal Bin S. Zainal Abidin, and Zhenjie Zou. "Mechanism and Engineering Characteristics of Expansive Soil Reinforced by Industrial Solid Waste: A Review." Buildings 13, no. 4 (2023): 1001. http://dx.doi.org/10.3390/buildings13041001.

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Expansive soils exhibit detrimental swelling and shrinking characteristics in response to variations in water content, posing a threat to engineering safety. Utilizing industrial solid waste for improving the engineering properties of expansive soil presents a promising solution due to its low pollution and high recoverability. This paper reviews the progress of research on various industrial solid wastes in stabilizing expansive soil. The review comprehensively discusses the microscopic characteristics and mechanism of industrial solid waste-stabilized soils, as well as their impact on the co
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Xu, Li Li, Xiang Min Qu, and Li Jia Liu. "Experimental Study on Expansion Characteristics, Frost Heaving Characteristics of EPS Beads Improved Expansive Soils." Advanced Materials Research 742 (August 2013): 80–84. http://dx.doi.org/10.4028/www.scientific.net/amr.742.80.

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Proposed EPS beads for the improvement of expansive soil in cold regions. Based on laboratory soil test study the feasibility and mechanism of the EPS beads improving expansive soils. Through four sets of comparative test with different contents of the EPS beads, the result indicates: The expansion rate of the soil, frost heave amount decreases with the increase in EPS beads content, EPS beads can effectively inhibit the expansion of expansive soil and frost heaving, proposed the optimal dosage.
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27

Alnmr, Ammar, Richard Paul Ray, and Rashad Alsirawan. "A State-of-the-Art Review and Numerical Study of Reinforced Expansive Soil with Granular Anchor Piles and Helical Piles." Sustainability 15, no. 3 (2023): 2802. http://dx.doi.org/10.3390/su15032802.

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Expansive soils exist in many countries worldwide, and their characteristics make them exceedingly difficult to engineer. Due to its significant swelling and shrinkage characteristics, expansive soil defies many of the stabilization solutions available to engineers. Differential heave or settlement occurs when expansive soil swells or shrinks, causing severe damage to foundations, buildings, roadways, and retaining structures. In such soils, it is necessary to construct a foundation that avoids the adverse effects of settlement. As a result, building the structure’s foundations on expansive so
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28

Lim, B. F., and G. A. Siemens. "Unifying framework for modeling swelling soil behaviour." Canadian Geotechnical Journal 53, no. 9 (2016): 1495–509. http://dx.doi.org/10.1139/cgj-2015-0049.

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The destructive effect of expansive soils on infrastructure is one of the classical issues associated with unsaturated soils. Given the continuing challenges associated with swelling soils there is still a need for a practical analysis method. The swelling equilibrium limit (SEL) provides a concept for modeling expansive soil behaviour. The SEL is an upper bound swelling limit, which depends on the soil’s initial state and the boundary conditions upon wetting. The SEL is obtained experimentally from swelling tests performed by applying a range of swelling scenarios from rigid boundary conditio
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29

Rahaja, Nikita, Ashok Kumar Gupta, and Kushal Kanwar. "Enhancing Soil Stability: The Impact of Rice Husk Ash on Expansive Soil Behavior." E3S Web of Conferences 596 (2024): 01011. http://dx.doi.org/10.1051/e3sconf/202459601011.

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Expansive soils, such as black cotton soils, are characterized by their pronounced vulnerability to swelling and shrinking caused by fluctuations in moisture levels. Such activity gives rise to worries over the longevity of constructions constructed on such soils, as they frequently undergo substantial expansion and contraction. Road surfaces, whether paved or unpaved, built on these expansive soil subgrades often experience problems such as potholes, cracking, wheel path rutting, heave and differential settlements Furthermore, apart from the difficulties presented by expanding soils, there is
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30

XU, YONGFU, and SONGYU LIU. "FRACTAL CHARACTER OF GRAIN-SIZE DISTRIBUTION OF EXPANSIVE SOILS." Fractals 07, no. 04 (1999): 359–66. http://dx.doi.org/10.1142/s0218348x99000360.

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Fractal mass distribution of expansive soil grains is studied in this paper. It is found that there is different fractal mass distribution exponent of the grain-size distribution for different genesis of expansive soils. The expansiveness, physical properties and mechanical properties of expansive soils can be quantitatively described by the fractal mass distribution exponent of grain-size distribution of expansive soils. In consolidated tests, the fractal mass distribution exponent increases with increases in consolidated pressure, as well as increases in confining pressure in triaxial tests.
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31

Panda, Guru Prasad, Alireza Bahrami, T. Vamsi Nagaraju, and Haytham F. Isleem. "Response of High Swelling Montmorillonite Clays with Aqueous Polymer." Minerals 13, no. 7 (2023): 933. http://dx.doi.org/10.3390/min13070933.

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Expansive clays containing mineral montmorillonite exhibit swelling and shrinkage due to variations in the moisture content, leading to significant distresses. There has been a growing interest in chemical and polymer additives treated for high swelling montmorillonite clays in recent years. However, limited attention has been paid to the effect of polyacrylamide on the soil’s swelling behavior. Moreover, nontraditional methods of the soil treatment are applied for the rapid stabilization of soil. In this article, polyacrylamide polymer is used as an additive to expansive clay to control the s
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32

Dong, Yun, Wei Zhong He, and Bao Tian Wang. "Study on the Impact of Long-Term Immersion on the Shear Strength of Compacted Lime Stabilized Expansive Soils." Applied Mechanics and Materials 238 (November 2012): 431–34. http://dx.doi.org/10.4028/www.scientific.net/amm.238.431.

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To offer or predict the shear strength of compacted lime stabilized expansive soils after long-term immersion for the slope analysis, the paper carried out direct shear test on the compacted stabilized expansive soils after different immersion time. The test results show that long-term immersion has significant impact on the shear strength of the lime stabilized expansive soils, the shear strength reduced sharply after soaking, but the shear strength tends to a stable value about 60%~70% normal strength while soaking is longer than 50 days. Logarithm model can well fitted the sketch of φ, c an
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Samuel, Rinu, Anand J. Puppala, and Miladin Radovic. "Sustainability Benefits Assessment of Metakaolin-Based Geopolymer Treatment of High Plasticity Clay." Sustainability 12, no. 24 (2020): 10495. http://dx.doi.org/10.3390/su122410495.

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Expansive soils are prevalent world over and cause significant hazards and monetary losses due to infrastructure damages caused by their swelling and shrinking behavior. Expansive soils have been conventionally treated using chemical additives such as lime and cement, which are known to significantly improve their strength and volume-change properties. The production of lime and cement is one of the highest contributors of greenhouse gas emissions worldwide, because of their energy-intensive manufacturing processes. Hence, there is a pressing need for sustainable alternative chemical binders.
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Alemshet, Dereje, Basha Fayissa, Anteneh Geremew, and Gelata Chala. "Amelioration Effect of Fly Ash and Powdered Ground Steel Slag for Improving Expansive Subgrade Soil." Journal of Engineering 2023 (February 27, 2023): 1–9. http://dx.doi.org/10.1155/2023/1652373.

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The utilization of fly ash (FA) and powdered granulated steel slag (PGSS) as additives in soil stabilization plays a crucial role in environmental, economic, and weak soil property improving advantages. In this study, the combined effect of FA and PGSS in improving expansive subgrade soil was investigated. The materials used for this study were expansive soils, FA, and PGSS. The study has applied an experimental research method. For this investigation, the index properties, Free Swell Index (FSI), unconfined compressive strength (UCS), optimum moisture content (OMC), California bearing ratio (
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Zhang, Shaowei, and Dongdong Li. "The Effects of Salt-Lake Salt Solution on the Strength of Expansive Soil." Geofluids 2022 (April 19, 2022): 1–8. http://dx.doi.org/10.1155/2022/2798281.

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Expansive soils are widely distributed and often cause serious damage to structures. Hanzhong expansive soil and Yulin salt-lake solution were adopted to investigate the effect of salt-lake salt solution on the strength of expansive soil. Expansive soils modified with salt-lake salt solutions with different concentrations (0.1, 0.5, and 1.0 mol/L) were evaluated by X-ray diffraction (XRD), Atterberg limit, free swelling, no load swelling ratio, and triaxial compression tests. The improved expansive soil research using salt-lake salt solution was carried out based on the macroscopic mechanical
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36

Yee, Win Shwe, and Myo Nwet Khin. "Proposition of Empirical Correlation Equation for Swell Parameters of Expansive Soil from Monwya Township." International Journal of Trend in Scientific Research and Development 3, no. 6 (2019): 1289–95. https://doi.org/10.5281/zenodo.3589633.

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This study presents the swelling parameters for expansive soil from Monywa Township, Saging Region. In various civil engineering projects, soil is used as a construction material and it supports structural foundation. Expansive clay soils swell when they are wetted and shrink when they are dried out. Volume changes of expansive soils can cause damages to structure resting on them. Therefore, it is essential to identify the existence of expansive soil at proposed construction site. The present study deals with the properties of expansive soils from Institute of Economic IE , Industrial Zone IZ
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37

Houston, Sandra, and Xiong Zhang. "Review of expansive and collapsible soil volume change models within a unified elastoplastic framework." Soils and Rocks 44, no. 3 (2021): 1–30. http://dx.doi.org/10.28927/sr.2021.064321.

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Numerous laboratory tests on unsaturated soils revealed complex volume-change response to reduction of soil suction, resulting in early development of state surface approaches that incorporate soil expansion or collapse due to wetting under load. Nonetheless, expansive and collapsible soils are often viewed separately in research and practice, resulting in development of numerous constitutive models specific to the direction of volume change resulting from suction decrease. In addition, several elastoplastic models, developed primarily for collapse or expansion, are modified by add-on, such as
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38

Li, Tianguo, Lingwei Kong, and Bingheng Liu. "The California Bearing Ratio and Pore Structure Characteristics of Weakly Expansive Soil in Frozen Areas." Applied Sciences 10, no. 21 (2020): 7576. http://dx.doi.org/10.3390/app10217576.

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The California Bearing Ratio (CBR) of weakly expansive soil is specially relevant to its expansibility. The mechanisms affecting the bearing strength, in terms of the CBR, of weakly expansive soil that could be used as embankments filler are worth studying. In the present study, the effects of compaction energy on the compaction characteristics and CBR value were investigated. Additionally, the pore size distributions of soils with different compaction degrees were studied with nuclear magnetic resonance (NMR), and the effect of freeze–thaw cycles on the pore size distribution of soils with di
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39

Oinam, Malemleima. "Experimental Study on the Stabilization of Expansive Soil using Gypsum Hemihydrate." International Journal for Research in Applied Science and Engineering Technology 13, no. 3 (2025): 490–98. https://doi.org/10.22214/ijraset.2025.67288.

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An expansive soil is a type of soil that expands or contracts as a direct consequence of variations in water volume. Expansive soils have low bearing capacity, large settlement, and excessive water absorbability as their physical properties. They have inadequate bearing capacity due to high water content, and causes consolidation settlement. This makes them problematic for civil engineering construction. Various issues in the buildings or construction projects may arise as a result of expansive soil’s swelling and contracting behaviour such as crucible damage to roads and walkways and other li
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40

G, Venugopal, Sureka Naagesh, and Gangadhara S. "Effect of RBI Grade 81 on Strength Characteristics of Expansive Soil." ECS Transactions 107, no. 1 (2022): 15033–42. http://dx.doi.org/10.1149/10701.15033ecst.

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Expansive soils, which are generally termed as problematic soils, cause swelling and shrinkage resulting in significant damage to the structures constructed on them. In this study, an attempt is made to know the effect of Road Building International Grade 81 (RBI Grade 81) on strength characteristics of expansive soil. RBI Grade 81 has a wide range of response spectrum. Response spectrum is the range of soils for which a particular stabilizer can be used. A wide range of tests, such as Atterberg limits, compaction, unconfined compressive strength, and California bearing ratio, were conducted o
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Xu, Yongfu. "Bearing capacity of unsaturated expansive soils." Geotechnical and Geological Engineering 22, no. 4 (2004): 611–25. http://dx.doi.org/10.1023/b:gege.0000047043.29898.17.

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Day, Robert W. "Walking of Flatwork on Expansive Soils." Journal of Performance of Constructed Facilities 6, no. 1 (1992): 52–57. http://dx.doi.org/10.1061/(asce)0887-3828(1992)6:1(52).

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Liu, Martin D., Suched Likitlersuang, Suksun Horpibulsuk, and Dong Huy Ngo. "1D Constitutive Model for Expansive Soils." International Journal of Geomechanics 21, no. 3 (2021): 04020260. http://dx.doi.org/10.1061/(asce)gm.1943-5622.0001921.

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Leiper, Q. "Construction of buildings on expansive soils." Construction and Building Materials 6, no. 3 (1992): 152. http://dx.doi.org/10.1016/0950-0618(92)90007-l.

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45

Sridevi, Paidi. "Stabilization of Expansive Soils Using Flyash." International Journal for Research in Applied Science and Engineering Technology 12, no. 3 (2024): 2364–68. http://dx.doi.org/10.22214/ijraset.2024.59331.

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Abstract: Soil plays an essential role in the construction of any civil engineering structure. It must be able to withstand the loads without breaking down. In some areas, the soil may not be strong enough to withstand the incoming loads. To address this, there are many methods of soil stabilization available, but some of these methods, such as chemical stabilization, lime stabilization, etc., can have an adverse effect on the soil's chemical composition. In this paper, we will be looking at the effects of fly ash on the strength gain of an expansive clay soil when combined with different perc
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Kalkan, Ekrem, and Necmi Yarba. "The Effects of Pine Tree Sawdust on the Volume Compressibility of Expansive Soils." International journal of Science and Engineering Applications 10, no. 04 (2021): 029–33. http://dx.doi.org/10.7753/ijsea1004.1001.

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Expansive soils are very important natural geological materials used in the geotechnical applications in the worldwide. After compacting, they are used as hydraulic barriers in earth structures, such as core of earth fill dams, landfill liners, and etc. However, these soils have some defects from technical points of view. To remove the defects, one of the soil improvement methods is mixing of these soils with granular materials. In this study, pine tree sawdust was used as granular additive material to stabilize the expansive soils. The effects of pine saw dust on the volume compressibility of
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LI, Kai, Liang Kong, Hossein Nowamooz, and Cyrille Chazallon. "The mechanical behavior of an expansive soil due to long-term seasonal rainfalls." E3S Web of Conferences 195 (2020): 02019. http://dx.doi.org/10.1051/e3sconf/202019502019.

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Expansive soils, susceptible to be affected by the environmental conditions, expand when water is added and shrink when they dry out. This continuous change in soil volume is able to cause structures built on them to move unevenly and crack. To investigate the hydro-mechanical behavior of unsaturated expansive soils, many laboratory tests on these materials have been carried on and numerous models have also been proposed with a relatively large number of parameters. In this study, a simplified model based on Zarka method has been developed for unsaturated expansive soils. The direct determinat
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Li, Jie, and An Nan Zhou. "The Australian Approach to Residential Footing Design on Expansive Soils." Applied Mechanics and Materials 438-439 (October 2013): 593–98. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.593.

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Expansive soils in semi-arid regions are of great concern to design and geotechnical engineers. Damage to residential buildings resulting from expansive soil movements has been widely reported in Australia. This paper describes the current practice in Australia, which includes the site classification, laboratory tests and residential footing design. A case study of a residential house damaged by expansive soils is also presented.
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Li, Tao, Yanqing He, Guokun Liu, Binru Li, and Rui Hou. "Experimental Study on Cracking Behaviour and Strength Properties of an Expansive Soil under Cyclic Wetting and Drying." Shock and Vibration 2021 (December 26, 2021): 1–13. http://dx.doi.org/10.1155/2021/1170770.

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Expansive soil is characterized by its unique structural morphology and drastic volume change. With infrastructure increasingly constructed in expansive soil areas, engineering problems caused by the properties of expansive soils have attracted more attention. Cyclic wetting-drying and shear testing were accordingly conducted on an expansive soil from Chengdu area in China. Crack development and shear strength change were analyzed using the Mohr–Coulomb equation for shear strength by fitting the experimental data. The results show the following: (1) With the increase in wetting-drying cycles,
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Abass, Qammar. "USE OF NANO SILICA AND COIR FIBER TO STRENGTHEN THE ENGINEERING PROPERTIES OF CLAYEY SOIL." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem31949.

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One of the problematic soils is expansive soil, which has a strong tendency to shrink when dried and to inflate when its moisture level changes. In India, expansive soils made up of clays are referred to as black cotton soils. The alternating swell-shrink tendency of expansive soils results in foundation structures, including buildings and earth retaining wall pavements, to become distressed. For geotechnical engineers, comprehending the behavior of expansive soil and implementing the proper control measures has been a challenging challenge. A lot of study is being done to develop solutions fo
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