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Journal articles on the topic 'Maximum hygroscopic moisture content and compaction moisture content'

Author: Grafiati

Published: 7 June 2025

Last updated: 16 July 2025

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1

Aytmuratova, G., and T. Berdiyev. "PHYSICAL AND HYDRO-PHYSICAL PROPERTIES OF IRRIGATED SOILS OF THE LOWER AMUDARYA RIVER." Sciences of Europe, no. 156 (January 6, 2025): 3–7. https://doi.org/10.5281/zenodo.14603386.

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The article provides information on the physical properties of irrigated meadow-alluvial and barren-meadow soils of Chimboy and Shumanay districts: soil bulk density, specific gravity, soil porosity, and water physical properties. The specific gravity is 2.58-2.68 g/cm3 in the upper layers and 2.69-2.75 g/cm3 in the lower layers. Cross-sections were excavated in key areas and it was found that the bulk density of the soil by layer was 1.31-1.38 g/cm3, slightly denser in the lower layers and fluctuated between 1.39-1.45 g/cm3. The specific gravity fluctuated between 2.58-2.68 g/cm3 in the upper

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2

Seredin, V. V., N. A. Medvedeva, A. V. Anukhina, and A. V. Andrianov. "THE EFFECT OF STRESS PRESSURE ON THE FORMATION OF BOUND WATER IN KAOLIN CLAY." Engineering Geology 13, no. 6 (2018): 36–46. http://dx.doi.org/10.25296/1993-5056-2018-13-6-36-46.

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Clays during lithogenesis change the composition, structure and properties, including the physicochemical ones. Some researchers present the results of studying changes in the properties of bound water in clays under the influence of increasing temperatures and pressures. When compaction of water-saturated clays, the “free” water of large pores is removed first, then under loads of 1–3 MPa -- osmotic water, and at a pressure of more than 10 MPa, the removal of “structured hydrated layers” of adsorption-bound water begins. According to the literature,several layers of water closest to a solid s

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3

Zhao, Zheng Rong, Lei Wang, and Hong Xia Yang. "Compaction Characteristic of Lime Modified Expansive Soil." Advanced Materials Research 710 (June 2013): 348–51. http://dx.doi.org/10.4028/www.scientific.net/amr.710.348.

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Through compaction test discussed about the compaction characteristics of expansive soil by lime modified in middle of Shandong province. The results show that the optimum moisture content is lower when the expansive soil is cured by dry compaction method, and the maximum dry density is higher. Compaction curve appeared the phenomenon of two peaks when expansive soil is cured by wet compaction method.Lime content of lime improved expansive soil, particle size composition, age and compaction function have influence on compaction curve.With the increase of the quantity of lime, the optimum moist

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4

Wang, Rui Ying, Qing Wang, Ying Gao, et al. "Multiple Compaction Tests on Laterite." Applied Mechanics and Materials 405-408 (September 2013): 138–41. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.138.

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Laterite has high void ratio, low density, high moisture content, high plasticity, but it does not match with their physical nature, which has the relatively high strength and low compressibility. In order to improve the strength of laterite and increase its compactness, we usually use the method of dynamic compaction in some large engineering projects. Its easy to find that soil compaction degree increased with the moisture content When the content of moisture is low, but soil compaction decreased after reaching the highest. Multiple compaction can effectively improve the maximum dry density

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5

Hassan, Asem A. "Evaluation of Soil Compaction Characteristics at a Construction Site in Al-Khalis City, Northeast of Iraq." Journal of Physics: Conference Series 2049, no. 1 (2021): 012005. http://dx.doi.org/10.1088/1742-6596/2049/1/012005.

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Abstract Soil compaction characteristics namely optimum moisture content and maximum dry density are frequently used as criteria to control field compaction specifications. This study aims to evaluate the compaction characteristics of soil at a construction site located in AL-Khalis City, northeast of Iraq. Ten soil samples were collected from the study area; five samples were augured to perform the Standard Proctor compaction tests to investigate the relationship between the moisture content and the dry density of the soil. A core cutter method was implemented to collect additional five sampl

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6

Wu, Xi Rong, and Li Li Zhu. "Analysis of the Influence of Water Content on Shanxi Loess CBR and Rebound Module." Advanced Materials Research 919-921 (April 2014): 820–23. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.820.

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Selection of five typical loess in Shanxi Province, the paper adopt the indoor test methods to prepares the different compaction and different moisture content specimens which were used to test CBR value and rebound module, analyzes the impact of compactness and moisture content on the CBR value and resilient modulus and establishes the relationship of CBR and moisture content. The result shows that the level of moisture content has great impact on CBR value and rebound module. The CBR value is maximal under optimum moisture content and maximum degree of compaction condition. The times of comp

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Wu, Xi Rong, and Jun Ming Shen. "Research on the Impact of Moisture Content on the CBR Value of Shanxi Loess." Advanced Materials Research 838-841 (November 2013): 80–83. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.80.

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Several typical soil samples in Shanxi Province were selected. Laboratory experiments were adopted to study the CBR of the three kinds of soil samples with different compaction and different water content. Orthogonal experiment was used to analyze the impact of factors including water content, compaction and soil sample category on the CBR value. The result shows that the moisture content has great impact on CBR value and the CBR value is maximize under optimum moisture content and maximum degree of compaction condition, while the not flooded CBR is decrease with the increasing of water conten

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8

Adunoye, G. O., A. A. Ojo, A. F. Alasia, and M. O. Olarewaju. "A study on the correlation potential of compaction characteristics and atterberg limits of selected lateritic soils." International Journal of Physical Research 8, no. 1 (2020): 22. http://dx.doi.org/10.14419/ijpr.v8i1.30689.

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The importance of soil compaction for civil engineering construction and application cannot be over-emphasised. To perform soil compaction, numerous number of samples are required, with considerable time and laborious laboratory activities. This has necessitated the need to find models for the prediction of compaction characteristics, using easily determined soil properties. This work therefore undertook a study of the correlation potential of compaction characteristics and Atterberg limits of soils, with a view to modelling compaction characteristics, using Atterberg limits. To achieve this a

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9

Sadiq yasun, Azhar, and Jamal N. Al Abbasi. "A Proposed Approach for Evaluating Soils Optimum Moisture Content Arithmetically and Use Statistical Functions for Checking Method." International Journal of Engineering & Technology 7, no. 4.20 (2018): 287. http://dx.doi.org/10.14419/ijet.v7i4.20.25941.

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The processing of optimum moisture content for specific soils as indicated by ASTM D698 specifications detail relies upon developing the fitting third or second degree bend connection between dampness content versus soil dry unit weight on a fitting bend, the registered optimum moisture substance may contrast for a similar soil as for fitting bend figure and its position. The main objective of this study is to evaluate the optimum moisture content value based on computing average moisture content adapted from standard or modified Proctor compaction test trials and compared it with respect to t

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10

Wang, Yong Bing, Guo Qiang Ying, Jian Lin Hu, Hua Wei Wei, and Qian Zhang. "Analysis for Influence Factors of Cold Recycling Mixture Compaction Test." Applied Mechanics and Materials 204-208 (October 2012): 1633–37. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.1633.

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In order to study the factors which influence the inorganic binder stabilized material’s compaction test results, different recycled material content therefore different reclaimed gradation mixtures are tested while varying the amount of cement. The experiment results show that contents of the recycled base material and the recycled surface material on the compaction test results are determined by the change of their density and water absorption ratio. Dry density of the recycled mixture increases with the increase of the reclaimed base material density. Low water absorption ratio of the recyc

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11

Wen, Yi, Yong He Wang, Hong Bing Xiao, and Chang Zi Qu. "Study about the Compacted Properties of Completely Weathered Granite Improved Soil." Applied Mechanics and Materials 170-173 (May 2012): 482–85. http://dx.doi.org/10.4028/www.scientific.net/amm.170-173.482.

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In this paper, through the indoor experiment study of compaction characteristics of completely weathered granite improved soil, analyse the relation of the maximum dry density and the optimum moisture content with lime and cement content, and through the fitting working out the relation curves and fitting formula of the improved soil of the maximum dry density and the optimum moisture content with lime and cement content . Provide reference for similar engineering.

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12

WASSIE, Tadesse Abebe, and Gökhan DEMİR. "COMPACTION CHARACTERISTICS OF SOFT SOIL STABILIZED WITH LIME AND METAKAOLIN-BASED GEOPOLYMER." INTERNATIONAL REFEREED JOURNAL OF ENGINEERING AND SCIENCES, no. 19 (2023): 10–18. http://dx.doi.org/10.17366/uhmfd.2023.19.2.

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Aim: This study was conducted to investigate the effect of lime and metakaolin-based geopolymer on soft soil's compaction characteristics. Method: The compaction was done using an automatic soil compactor according to the ASTM-D698 testing procedure. The geopolymer synthesis was prepared in the ratio of 5%,10% and 15% of the dry weight of the soil using sodium hydroxide and sodium silicate alkali activators. In addition, lime was added in amounts of 6% of the soil's dry weight. Findings: It was discovered that soft soil had an optimum moisture content (OMC) of 26% and a maximum dry density (MD

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Yin, Ying Zi, and Ya Lei Wang. "Study of Key Parameters in the Process of Aeolian Sand Compactibility." Applied Mechanics and Materials 580-583 (July 2014): 278–82. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.278.

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The main factors affecting soil compatibility include moisture content, compaction work, soil type, grading and coarse material content etc.. The effects of compaction work are as follows: the stronger compaction work is, the more larger soil dry density is. The optimum moisture content decreases with the compaction work increasing. This paper mainly studies the effect of compaction work to aeolian sand compatibility. Its lay-down thickness is about 30-50cm when we use vibratory roller to compact aeolian sand in practical engineering. This paper analysis’s and studies the maximum dry density a

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14

Awarri, A.W., and C.G. Otto. "Effect of Soil Compaction on the Subgrade Strength of Road Pavement." Journal of Scientific and Engineering Research 10, no. 6 (2023): 71–76. https://doi.org/10.5281/zenodo.10462540.

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<strong>Abstract </strong>Investigations were carried out on how different compactible efforts affected the subgrade strength of road pavements. At a depth of 1.0 m, soil samples were taken, and subsequently subjected to compaction and California bearing ratio (CBR) tests. For the standard and modified Proctor compaction tests, the soil samples were poured into a mould in three and five equal layers, respectively. With 25, 30, 35, 40, 45, 50, 55, and 60 blows of the 2.5kg and 4.5kg rammer with a drop of 300mm and 450mm, respectively, under light and heavy compaction conditions, the standard an

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15

Hassan, Asem, and Gehan Nadhum. "Geotechnical-Electrical Evaluation of Soil Compaction Parameters, South of Baqubah City." Iraqi Geological Journal 56, no. 1D (2023): 144–55. http://dx.doi.org/10.46717/igj.56.1d.12ms-2023-4-21.

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Soil compaction is fundamental for improving the geotechnical properties of a wide range of engineering structures. Evaluation of compaction parameters is crucial for maintaining the long-term performance of these structures. In this study, geotechnical-electrical relationships were adopted to evaluate the compaction parameters of soil south of Baqubah City. Forty-seven soil specimens, collected from eight locations, were prepared and compacted at various conditions that can be found in the geotechnical practice. First, laboratory tests such as sieve analysis, liquid limit, and plastic limit w

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16

Zahermand, Samad, Mahmod Vafaeian, and Mohammad Hosein Bazyar. "Analysis of the physical and chemical properties of soil contaminated with oily (petroleum) hydrocarbons." Earth Sciences Research Journal 24, no. 2 (2020): 163–68. http://dx.doi.org/10.15446/esrj.v24n2.76217.

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This paper is focused on analyzing the engineering properties and geotechnical changes of the soil contaminated by petroleum hydrocarbons, compared to non-contaminated soil. Also, identifying the physical and chemical behaviors and the interaction mechanisms between soil and contaminants at the time of contamination is far-reaching. This study aims to investigate the effects of petroleum contaminants on Atterberg limits, cation-exchange capacity, electrical conductivity and acidity, maximum dry density, and optimum moisture content of clay soil compared to non-contaminated samples with similar

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17

Bardhan, Abidhan, Raushan Kumar Singh, Sufyan Ghani, Gerasimos Konstantakatos, and Panagiotis G. Asteris. "Modelling Soil Compaction Parameters Using an Enhanced Hybrid Intelligence Paradigm of ANFIS and Improved Grey Wolf Optimiser." Mathematics 11, no. 14 (2023): 3064. http://dx.doi.org/10.3390/math11143064.

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The criteria for measuring soil compaction parameters, such as optimum moisture content and maximum dry density, play an important role in construction projects. On construction sites, base/sub-base soils are compacted at the optimal moisture content to achieve the desirable level of compaction, generally between 95% and 98% of the maximum dry density. The present technique of determining compaction parameters in the laboratory is a time-consuming task. This study proposes an improved hybrid intelligence paradigm as an alternative tool to the laboratory method for estimating the optimum moistu

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18

Allman, Michal, Martin Jankovský, Valéria Messingerová, Zuzana Allmanová, and Michal Ferenčík. "Soil compaction of various Central European forest soils caused by traffic of forestry machines with various chassis." Forest Systems 24, no. 3 (2015): e038. http://dx.doi.org/10.5424/fs/2015243-07541.

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<p><em>Aim of study: </em>The primary objective of this paper was to compare the effects of different types of forestry machine chassis on the compaction of the top layers of soil and to define the soil moisture content level, at which machine traffic results in maximum compaction.</p><p><em>Area of study:</em> Measurements were conducted in eight forest stands located in Slovakia and the Czech Republic. The soil types in the stands subjected to the study were luvisols, stagnosols, cambisols, and rendzinas.</p><p><em>Material and Meth

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19

Ahmed, Ahmed, Yvan Gariepy, and Vijaya Raghavan. "Influence of wood-derived biochar on the compactibility and strength of silt loam soil." International Agrophysics 31, no. 2 (2017): 149–55. http://dx.doi.org/10.1515/intag-2016-0044.

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Abstract Biochar is proven to enhance soil fertility and increase crop productivity. Given that the influence of biochar on soil compaction remains unclear, selected physico-mechanical properties of soil amended with wood-derived biochar were assessed. For unamended silt loam, the bulk density, maximum bulk density, optimum moisture content, plastic limit, liquid limit, and plasticity index were 1.05 Mg m-3, 1.69 Mg m-3, 16.55, 17.1, 29.3, and 12.2%, respectively. The penetration resistance and shear strength of the unamended silt loam compacted in the standard compaction Proctor mold and at i

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20

Mohd Ramli, Nurul Amira, Mohd Hafiz Fazalul Rahiman, Latifah Munirah Kamarudin, et al. "A New Method of Rice Moisture Content Determination Using Voxel Weighting-Based from Radio Tomography Images." Sensors 21, no. 11 (2021): 3686. http://dx.doi.org/10.3390/s21113686.

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This manuscript presents a new method to monitor and localize the moisture distribution in a rice silo based on tomography images. Because the rice grain is naturally hygroscopic, the stored grains’ quality depends on their level of moisture content. Higher moisture content leads to fibre degradation, making the grains too frail and possibly milled. If the moisture is too low, the grains become brittle and are susceptible to higher breakage. At present, the single-point measurement method is unreliable because the moisture build-up inside the silo might be distributed unevenly. In addition, th

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Ika Ernawati, Willis Diana ,. Afriza Marianti ,. "Optimasi Kadar Aspal pada Stabilisasi Tanah Pasir Menggunakan Aspal dengan Uji CBR." Semesta Teknika 14, no. 2 (2015): 127–32. http://dx.doi.org/10.18196/st.v14i2.541.

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This research aims to determine the optimum bitumen content for sandy soil stabilization (sandy soil obtained from Glagah beach, Kulon Progo). Variation in bitumen content being used was 0% to 5% by weight of dry soil. Against, a mixture of bitumen and sandy soil proctor compaction tests was performed to obtain optimum moisture content (OMC) mixture which then was tested its California Bearing Ratio (CBR). The addition of bitumen content in soil stabilization with bitumen causing a continuing lack of OMC (Optimum Moisture Content) and increased MDD (Maximum Dry Density) on the compaction proce

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22

Wassie, Tadesse A., Gökhan Demir, and Utku Köktan. "Influence of Curing Time and Initial Moisture Content on Metakaolin-Based Geopolymer-Stabilized Soft Soil." Advances in Civil Engineering 2023 (October 31, 2023): 1–11. http://dx.doi.org/10.1155/2023/6673716.

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This study thoroughly investigated the impact of initial moisture content and curing time on metakaolin (MK)-based geopolymer stabilized soft soil. The stabilized soft soil was characterized with an unconfined compressive strength test, scanning electron microscopy, energy dispersive X-ray spectroscopy (EDS), and compaction test. The geopolymer was used at different concentrations (5%, 10%, and 15% of the dry weight of the soil), and the soft soil was prepared at its initial moisture content, which ranges from 0.75 LL to 1.25 LL. The results of the test indicate that there was an increase in y

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23

Talal, Masoud, and O. Suliman Manal. "Influence of Energy on Compaction Characteristics of High Expansive Soils." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 5 (2020): 1344–48. https://doi.org/10.35940/ijeat.E1114.069520.

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Each soil type has different behavior with regard to determination of maximum dry density and optimum moisture content and therefore any soil type has its own compaction requirements for experimental purposes and for control the compaction in the field. The general purpose of this study is to a better understanding of the compaction characteristics of high expansive soils, with emphasis on the relationships of moisture content and dry density of high expansive soils at a range of compaction energy levels. To achieve this purpose, high expansive soils samples were subjected to Atterberg limit a

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Nurek, Tomasz, Arkadiusz Gendek, and Magdalena Dąbrowska. "Influence of the Die Height on the Density of the Briquette Produced from Shredded Logging Residues." Materials 14, no. 13 (2021): 3698. http://dx.doi.org/10.3390/ma14133698.

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An alternative to plant biomass of various origins are forest logging residues. They differ significantly from other, previously used plant materials. This difference is due to the heterogeneous composition and relatively large size of individual particles. This research on the compaction of this type of shredded material was aimed at determining the influence of the die height on the density and relaxation of briquettes. This parameter is crucial for the proper construction of compaction devices. The measurements were carried out for the same fractional composition of the shredded logging res

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25

Lunev, A. A., and A. V. Iavinskii. "California Bearing Ratio of class F pond ash of various genesis." Construction and Geotechnics 12, no. 2 (2021): 26–41. http://dx.doi.org/10.15593/2224-9826/2021.2.03.

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To study the bearing capacity of pond ash, samples were taken from dumps of a number of power plants in the Russian Federation: Omsk TPP-4, Novocherkasskaya TPP, Serovskaya TPP, Apatitskaya TPP, producing pond of various genesis. All studied materials classified to class F according to ASTM C-618-12. At the first stage of the study, the maximum dry density of soil and the optimum moisture content were determined by the Proctor method (type B mold and type A compaction hammer), the results of which were compared with the results of determining the same parameters by the SoyuzDorNII method (usin

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26

Li, B. "Study on Shear Properties of the Soil-rock Mixture." E3S Web of Conferences 165 (2020): 04079. http://dx.doi.org/10.1051/e3sconf/202016504079.

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In order to study the shear properties of the soil-rock mixture, a large-scale indoor direct shear test is used to test the shear strength (τ) of SRM under different positive pressures, and calculates the internal friction angle (φ) and cohesive force (c) according to the molar theory. The effects of soil-rock ratio, gradation, maximum particle size, moisture content, and compaction on the shear properties of the soil-rock mixtures are studied. The results show that as the soil-rock ratio decreases, the τ and φ of the SRM increase, while the c increases first and then decreases, and reaches th

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Wolor, Florianus Tobi, Irwan Lie Keng Wong, and Helen Adry Irene Sopacua. "Analisis Nilai Nilai Kadar Air Optimum Dan Kepadatan Kering Pada Tanah Lempung Dengan Penambahan Abu Cangkang Kemiri." Paulus Civil Engineering Journal 4, no. 2 (2022): 218–24. http://dx.doi.org/10.52722/pcej.v4i2.450.

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The purpose of this study was to determine the effect of adding Candlenut Shell Ash to the maximum dry density and optimum moisture content in clay soil. Pecan shell ash as a clay soil density stabilization agent which was carried out by standard proctor testing. The research method used is Atterberg Limits testing, Moisture Content testing, Specific Gravity testing, Gradation testing (sieve analysis and hydrometer), and Compaction testing. From the characteristic tests it showed that the soil was classified as clay soil and the compaction test at point 1 and point 2 with mixed variations of 0

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Rahman, Md. Nahid, Md. Murshedul Islam, and A. Ullah. "Correlation Between Optimum Moisture Content (Omc) and Plastic Limit (Pl) of Fine Grained Soil." DIU Journal of Science & Technology 17, no. 1 (2024): 23–28. https://doi.org/10.5281/zenodo.13827921.

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Plastic limit (PL) and optimum moisture content (OMC) laboratory tests are essential for any earthwork construction since they play a significant role in any newly started construction site. But it takes an excessive amount of time to determine OMC. Many of the index properties were found to be related to compaction parameters, optimum moisture content, and maximum dry density. The plasticity indices and the proportion of particles had the most significant connections, with the plastic limit having the highest degree of simple correlation. As a result, using the plastic limit of soil, it is ne

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Kumar, Kaushal, Shivam Saraswat, Kriti Sharma, et al. "Influence of Utilization of Fly Ash as Sand Replacement Agent in Sustainable Flexible Pavement." E3S Web of Conferences 430 (2023): 01174. http://dx.doi.org/10.1051/e3sconf/202343001174.

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The current investigation work has investigated the utilization of Fly Ash (FA) in soil improvement and to assess the impacts of addition of various rates of FA on the sample of unsaturated soil. Effect of fly ash addition has been investigated on moisture content, degree of compaction and densities of unsaturated soil by directing different experiments. In the primary phase samples have been prepared with included FA in the percentages of 12%, 17%, 22%, and 27% respectively. Moisture content and densities experiments have been conducted without addition of FA for reference value. Each experim

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Mahajana, Adam Niestera, Abdurrosid Salim, and I. Nyoman Dita Pahang Putra. "Kepadatan Tanah Timbunan Menggunakan Metode Sand cone Pada Proyek Pembangunan Jalan Lintas Selatan (JLS) Lot 2 Bululawang – Sidomulyo – Tambakrejo." Jurnal Talenta Sipil 8, no. 1 (2025): 367. https://doi.org/10.33087/talentasipil.v8i1.849.

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The construction of roads plays a crucial role in supporting public mobility and economic growth. The development of the South Java Road (JLS) is one of the initiatives designed to enhance connectivity in the southern region of Java Island. On the Bululawang – Sidomulyo – Tambakrejo segment, the quality of road construction work is a top priority to ensure safety, durability, and transportation efficiency. The development of JLS is strongly aligned with the Sustainable Development Goals (SDGs), particularly Goal 17, Partnerships for the Goals, involving various parties in ensuring the success

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Akbarimehr, Davood, Esmail Aflaki, and Abolfazl Eslami. "Experimental Investigation of the Densification Properties of Clay Soil Mixes with Tire Waste." Civil Engineering Journal 5, no. 2 (2019): 363. http://dx.doi.org/10.28991/cej-2019-03091251.

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The annual increase in production of industrial wastes, including scrap tire, has created several challenges for societies. Incorporating the wastes as raw materials has been proposed in different industries, using waste tire as physical additives and investigating the geotechnical properties of this mixture can reduce the environmental pollution, as well as offering economic and technical benefits. Clay soils are abundant in southern regions of Tehran where scrap tire is also produced in large quantities every year. Therefore, provided the chance, incorporating these wastes into the soil mix

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Wang, Shijie, Bo Chi, Xinzhi Wang, Bin Liu, and Chunchao Li. "Study on Water Sinking Sand Method for Sand Backfilling." E3S Web of Conferences 438 (2023): 01021. http://dx.doi.org/10.1051/e3sconf/202343801021.

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Based on the partial culvert backfilling project of the JI-HEI Expressway construction in Heilongjiang Province, China, this study investigates the impact of the physical and mechanical characteristics of backfill sand on the compaction degree of sand backfilled using the water sinking sand method. The research includes on-site sampling of the backfill sand, indoor geotechnical testing, water sinking sand method backfilling, and compaction degree testing of the backfilled material. The study explores the particle size distribution, moisture content, density, compaction characteristics, Califor

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Głuchowski, Andrzej. "Optimizing Backfill Materials for Ground Heat Exchangers: A Study on Recycled Concrete Aggregate and Fly Ash for Enhanced Thermal Conductivity." Materials 17, no. 23 (2024): 5876. https://doi.org/10.3390/ma17235876.

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This study investigates the potential use of recycled concrete aggregate (RCA), fly ash (FA), and their mixture (RCA+FA) as backfill materials for shallow vertical ground heat exchangers (GHEs). Granulometric, aerometric, and Proctor compaction tests were conducted to determine soil gradation, the void ratio, and the optimal moisture content (OMC) for maximum dry density. RCA demonstrated efficient compaction at lower moisture levels, while FA required higher moisture to reach maximum density. A 10% FA addition was optimized to fill voids in the RCA soil skeleton without compromising structura

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Qayoom, Nadeem. "EFFECT OF ORGANIC MATTER (VERMI-COMPOST) ON COMPACTION CHARACTERISTICS OF KAREWA SOILS: AN EXPERIMENTAL STUDY." Journal of Emerging Technologies and Innovative Research (JETIR) 7, no. 8 (2020): 572–78. https://doi.org/10.5281/zenodo.13827391.

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Soil rich in organic matter is apt for the growth of plants as it provides them with nutrients essential for their growth and nourishment. Apart from that, it also affects the soil structure and mineralogy and ultimately the soil properties. Based on same purpose, this study was carried out to investigate the effect of organic matter (Vermi-compost) on the compaction characteristics of Karewa soils. In thus study, three soil samples were taken from three sites and characterised as "CL" (clayey soil with low plasticity). Proctor tests of different compaction energies (viz., Standard Proctor, Mo

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Liu, Qiang, Junjie Yang, Yalei Wu, Zimou Wang, Xinyi Qiu, and Lijun Yan. "Physical and Mechanical Properties of All-Solid-Waste-Based Binder-Modified Abandoned Marine Soft Soil." Journal of Marine Science and Engineering 12, no. 3 (2024): 393. http://dx.doi.org/10.3390/jmse12030393.

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Large quantities of abandoned marine soft soil are generated from coastal engineering which cannot be directly utilized for construction without modification. The utilization of traditional binders to modify abandoned marine soft soil yields materials with favorable mechanical properties and cost efficiency. However, the production of traditional binders like cement leads to environmental pollution. This study uses a CGF all-solid-waste binder (abbreviated as CGF) composed of industrial solid waste materials such as calcium carbide residue (CCR), ground granulated blast furnace slag (GGBS), an

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Razali, Roslizayati. "Experimental Study on Mechanical Behavior of Laterite Soil Treated with Quicklime." Journal of Mechanical Engineering SI 11, no. 1 (2022): 109–22. http://dx.doi.org/10.24191/jmeche.v11i1.23592.

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The present study examines the effect of lime stabilisation on the mechanical properties of laterite soil. Compaction tests were performed in order to obtain optimum moisture content (OMC) and maximum dry density (MDD) for untreated and lime treated laterite soil. A series of Unconfined compressive strength (UCS) tests were carried out on the specimen containing different percentages of lime. In preparing test specimens, laterite soil was initially compacted at their respective OMC and MDD conditions and allowed to cure for 0, 3, 7, 14 and 28 days before being tested. Results for the standard

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Yosri, Ahmed M., Abdelhalim Azam, Fayez Alanazi, Abdulaziz H. Alshehri, and Mohamed Ahmed Okail. "Shear strength and particle breakage of construction and demolition waste as a function of moisture state and compaction level: Insights for sustainable highway engineering." PLOS ONE 19, no. 3 (2024): e0298765. http://dx.doi.org/10.1371/journal.pone.0298765.

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In this study, the variation of shear strength behavior and particle breakage (after shearing), as a function of moisture state and compaction level, is investigated for recycled concrete aggregate blended with recycled clay masonry. Recycled masonry was blended with concrete aggregate in percentages ranging from 0% to 30% by total weight. Tests include; basic engineering characteristics (particle size, modified compaction, hydraulic conductivity, and California Bearing Ratio, CBR) as well as unconsolidated undrained static triaxial testing. In triaxial tests, moisture levels ranged from 60% t

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Zeng, Biao, Lin-feng Wang, Yun Tian, Tao-rui Zeng, and Bing Li. "Study on Compaction Characteristics and Construction Control of Mixtures of Red Clay and Gravel." Advances in Civil Engineering 2018 (November 4, 2018): 1–8. http://dx.doi.org/10.1155/2018/8079379.

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Red clay cannot be used as embankment filler directly due to its water-sensitive property. Gravel is usually added into red clay to enhance its performance in engineering practice. In order to investigate the influence of mixtures of red clay and gravel on the road performance, gravitational compaction experiment of red clay and vibratory compaction experiment of mixtures of red clay and gravel were conducted, respectively. The results indicate that compaction curves of red clay have double peak; the second peak is the real maximum dry density, and its corresponding moisture content is the opt

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Alkroosh, Iyad, Ali Al-Robay, Prabir Sarker, and Saif Alzabeebee. "Effect of Sand Percentage on the Compaction Properties and Undrained Shear Strength of Low Plasticity Clay." ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 9, no. 1 (2021): 16–20. http://dx.doi.org/10.14500/aro.10748.

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This paper investigates the influence of sand content on the mechanical behavior of a low plasticity clay that collected from south of Iraq (Sumer town). Samples have been prepared with sand contents of 0%, 10%, 20%, 30%, and 40% of the clay weight. Standard Proctor and unconfined compression tests have been carried out and the optimum moisture content, maximum dry density, and undrained shear strength have been determined. The results show a gradual increasing trend of the maximum dry density with the increase of the sand content up to 30%. The highest dry density reaches 1.90 g/cm3 correspon

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Ayan, Vahid, Mukesh C. Limbachiya, Joshua R. Omer, and Seyyed Masoud Nasr Azadani. "COMPACTION ASSESSMENT OF RECYCLED AGGREGATES FOR USE IN UNBOUND SUBBASE APPLICATION." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 20, no. 2 (2014): 169–74. http://dx.doi.org/10.3846/13923730.2013.801882.

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Study was recently conducted at Kingston University to assess the suitability of using recycled concrete aggregate (RCA) and reclaimed asphalt pavement (RAP) in unbound subbase mixtures. The results showed that the use of 100% recycled aggregates increased the optimum moisture content and decreased the maximum dry density of the sub-base materials in comparison with natural aggregates. Moreover, the replacement of RCA by reclaimed asphalt pavement by 50% decreased the optimum moisture content and increased the maximum dry density in proportion to 100% RCA. The effects of physical properties on

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Zvonarić, Matija, Ivana Barišić, Mario Galić, and Krunoslav Minažek. "Influence of Laboratory Compaction Method on Compaction and Strength Characteristics of Unbound and Cement-Bound Mixtures." Applied Sciences 11, no. 11 (2021): 4750. http://dx.doi.org/10.3390/app11114750.

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During road construction, granular materials for the unbound base course (UBC) and cement-bound base course (CBC) are mostly compacted by vibratory rollers. A widespread laboratory test for determining the optimal moisture content (OMC) and maximum dry density (MDD) of the mixture for installation in UBC and CBC is the Proctor test. Considering that the Proctor test does not produce any vibrations during compaction, this paper compares the Proctor test and the vibrating hammer test. The examination was conducted on UBC and CBC with varying cement content and aggregate types. All mixtures were

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Liu, Yonghong, Fujun Zhao, Qiuhong Wu, Baojie Fan, and Zhenqi Tang. "Experimental Research on Energy Evolution of Sandstone with Different Moisture Content under Uniaxial Compression." Sustainability 16, no. 11 (2024): 4636. http://dx.doi.org/10.3390/su16114636.

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In order to investigate the impact of moisture content on energy evolution, three types of rock samples with varying moisture contents were subjected to uniaxial compression tests. The study aimed to analyze the reasons behind the differences in energy during the deformation process of rocks with different moisture contents. The findings indicate that with increasing moisture content, the peak strength and elastic modulus of the samples decrease. However, the ratio of crack initiation strength σci to peak strength σf shows little effect, primarily because the characteristic strength ratio σci/

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Gautam, Gopal, and Ramesh Karki. "Strength evaluation in sub-base material due to variation of fine particles in soil." Journal of Innovations in Engineering Education 6, no. 1 (2023): 105–9. http://dx.doi.org/10.3126/jiee.v6i1.47803.

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For the development of road infrastructure and the various layers connected to it, soils must be compacted in order to increase their strength. Among many other variables, soil type, moisture content, and compaction energy have a significant impact on the compaction qualities of soil. Present study is done to evaluate strength of sub-base material with varying percentage of fines and also the variation of dry density, Optimum Moisture Content (OMC) and California Bearing Ratio (CBR) with fine content. The Standard Proctor Test was the technique used to determine the Maximum Dry Density (MDD) f

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Chegenizadeh, Amin, and Hamid Nikraz. "Paper Reinforcement and Soil." Advanced Materials Research 608-609 (December 2012): 1741–45. http://dx.doi.org/10.4028/www.scientific.net/amr.608-609.1741.

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Composite soils have been extensively used in civil engineering applications, especially in slopes, embankment dam and landfills. This paper aims to investigate effect of paper reinforcement inclusion on compaction characteristic of composite soil (i.e. clay composite). A series of laboratory tests performed to assess reinforcement effect on optimum water content and maximum dry unit weight of composite soils. Clay was selected as soil part of the composite and paper was used as reinforcement. The paper reinforcement parameters differed from one test to another, as paper length varied from 15

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Chegenizadeh, Amin, and Hamid Nikraz. "Investigation on Compaction Characteristics of Reinforced Soil." Advanced Materials Research 261-263 (May 2011): 964–68. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.964.

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Composite soils have been widely used in civil engineering applications, especially in slopes, embankment dam and landfills. This paper aims to investigate effect of fiber inclusion on compaction characteristic of composite soil (i.e. clay composite). A series of laboratory tests carried out to evaluate fiber effect on optimum water content and maximum dry unit weight of composite soils. Clay was selected as soil part of the composite and plastic fiber was used as reinforcement. The fiber parameters differed from one test to another, as fiber length varied from 10 mm to 35mm and fiber content

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Chegenizadeh, Amin, and Hamid Nikraz. "Bentonite Composite and Fibre." Advanced Materials Research 652-654 (January 2013): 38–42. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.38.

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Composite soils have been widely used in civil engineering applications, especially in slopes, embankment dam and landfills. This paper aims to investigate effect of fiber inclusion on compaction characteristic of composite soil (i.e. clay composite). A series of laboratory tests carried out to evaluate fiber effect on optimum water content and maximum dry unit weight of composite soils. Clay was selected as soil part of the composite and natural fiber was used as reinforcement. The fiber parameters differed from one test to another, as fiber length varied from 10 mm to 20mm and fiber content

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Chegenizadeh, Amin, and Hamid Nikraz. "Geotechnical Parameters of Composite Soil." Advanced Materials Research 308-310 (August 2011): 1651–55. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.1651.

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Composite soils have been widely used in civil engineering applications, especially in slopes, embankment dam and landfills. This paper aims to investigate effect of fiber inclusion on compaction characteristic of composite soil (i.e. clay composite). A series of laboratory tests carried out to evaluate fiber effect on optimum water content and maximum dry unit weight of composite soils. Clay was selected as soil part of the composite and natural fiber was used as reinforcement. The fiber parameters differed from one test to another, as fiber length varied from 10 mm to 25mm and fiber content

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Sara, G. Mohammed* Mohammed Y. Fattah Mohammed B. Abd Al-Jabbar. "COMPARISON BETWEEN COMPACTION OF SUBBASE MATERIAL BY PROCTOR TESTS AND SUPERPAVE GYRATORY COMPACTOR." Global Journal of Engineering Science and Research Management 6, no. 6 (2019): 1–10. https://doi.org/10.5281/zenodo.3250717.

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Proctor impact compaction tests represent the most commonly used laboratory method to determine the maximum dry unit weight and optimum moisture content of soils. One shortcoming of the Proctor test is that it uses impact loads to compact the soil in a stiff non-yielding mold. This technique may not accurately simulate modern field compaction methods so, a more appropriate method of compacting soils in the laboratory is needed. The research presented herein explores the feasibility of using a superpave gyratory compactor (SGC) to compact subbase material. The subbase is brought from Badra area

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Diniz, Jacqueline F. B., João M. P. Q. Delgado, Anderson F. Vilela, et al. "Drying of Sisal Fiber: A Numerical Analysis by Finite-Volumes." Energies 14, no. 9 (2021): 2514. http://dx.doi.org/10.3390/en14092514.

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Vegetable fibers have inspired studies in academia and industry, because of their good characteristics appropriated for many technological applications. Sisal fibers (Agave sisalana variety), when extracted from the leaf, are wet and must be dried to reduce moisture content, minimizing deterioration and degradation for long time. The control of the drying process plays an important role to guarantee maximum quality of the fibers related to mechanical strength and color. In this sense, this research aims to evaluate the drying of sisal fibers in an oven with mechanical air circulation. For this

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Meti, Tri Harianto, Abdul Rachman Djamaluddin, and Achmad Bakri Muhiddin. "A Experimental Study of Laboratory Compaction and Sand Cone on Foundation Tub Soil." Science Proceedings Series 3, no. 1 (2021): 61–67. http://dx.doi.org/10.31580/sps.v3i1.1953.

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Soil is a very important material so that it must be able to support the loads above it, so the soil must have a sufficiently good soil bearing capacity. In this study, the soil compaction was compared with the laboratory compaction method with the sandcone method. The objectives of the study were knowing the characteristics of the soil and knowing the laboratory compaction compares with the sandcone compaction in the foundation tub. Soil is drawn from the same point for the Proctor Test and Sand cone Test. The results of this test are used in the foundation model test. Characteristics testing

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