Academic literature on the topic 'Maximum hygroscopic moisture content and compaction moisture content'

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

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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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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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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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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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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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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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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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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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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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Dissertations / Theses on the topic "Maximum hygroscopic moisture content and compaction moisture content"

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Arvelo, Andres. "EFFECTS OF THE SOIL PROPERTIES ON THE MAXIMUM DRY DENSITY OBTAINED FRO." Master's thesis, University of Central Florida, 2004. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2966.

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In the construction of highways, airports, and other structures, the compaction of soils is needed to improve its strength. In 1933 Proctor developed a laboratory compaction test to determine the maximum dry density of compacted soils, which can be used for specifications of field compaction. The Compaction of soils is influenced by many factors, the most common are the moisture content, the soil type and the applied compaction energy. The objective of this research is the analysis of the maximum dry density values based on the soil classification and characterization. The method of choice in
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Book chapters on the topic "Maximum hygroscopic moisture content and compaction moisture content"

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Lange D.P. and Fanourakis G. "Comparing Vibratory and Impact Laboratory Compaction Methods." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-031-5-93.

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Laboratory analysis carried out on different soils shows that vibratory and impact compaction produce different results. Standard methods based on BS 1377: 1975 using the vibratory hammer and mod AASHTO for impact were applied. Results obtained for maximum dry density and optimum moisture content were compared for each soil. It was found that the vibratory method was more suitable than impact for non-cohesive soils and gravels. Cohesive soils reached maximum compaction at higher moisture contents using vibration as opposed to impact, but at lower densities. It is clear that field densities under vibratory compaction would be difficult to achieve where the laboratory control method was based on impact.
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Jimoh Yinusa A. "A 2D mathematical model for the CBR of a road sub base in Ilorin, Nigeria." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-031-5-396.

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This paper reports the development of a two dimensional mathematical model for the California Bearing Ratio (CBR) of a typical sub base material in terms of the density and moisture to replace the hitherto graphical model of an iso-CBR plot. Conventional laboratory compaction and CBR tests were simultaneously conducted on samples of soils obtained from the highway borrow pits around Ilorin township according to relevant portions of the British standard testing procedure; BS 1377: 1990. The outcomes of the test were used for the formulation of the relationships of the CBR with the resultant of the vectorially combined normalized dry density and moisture content at low compactive and medium compactive energy levels (LCE and MCE). The most efficient forms of the models for the samples from 0-1m and 1-2 m depths below the ground surface are the quadratic and third order equations, with the R2values of more than 90 %. Indeed the differentials of the quadratic model proved that the maximum CBR occurs at Π value ofwhich is the actual indication of the optimum condition when the two normalized parameters are each equal to unity, their maximum values.
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Maneli A., Kupolati W.K., Ndambuki J.M., and Abiola O.S. "Influence of curing time and compaction on black cotton soil stabilized with fly ash, ground-granulated blast furnace slag and lime." In Construction Materials and Structures. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-466-4-575.

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The influence of curing time and compaction efforts on black cotton soil stabilized with optimum percentages of two industrial wastes activated with lime were evaluated in this paper. Fly ash (FA), ground granulated blast furnace slag (GGBFS) and lime at 12%, 8% and 1-9% respectively were used to stabilize black cotton soil in accordance to South Africa standards. Atterberg's limit, compaction and California bearing ratio (CBR) tests were conducted on the specimens. All the mixtures were compacted at optimum moisture content to different degrees of compaction and cured for 7, 28, 60 and 90 days before testing. The result showed that stabilized soil with 12% FA, 8% GGBFS and 6% lime improved the soil to be used as subgrade material. Both maximum dry density and optimum density increases as lime increased up to 6% and then decreased. It was observed that for all the curing days, there is an increase in CBR values as the compaction increased. The 60thday of curing at 100% modified AASHTO compaction effort produced the highest CBR value while the lowest CBR was recorded at 28 days at 90% compaction.
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Ndimbo Raphael. "Experimental Study on use of Mechanically Stabilized Residual Soils for Pavement Layers in Magoe Mozambique." In Proceedings of the 15th African Regional Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-778-9-382.

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This study is an investigation of the effects of stabilizing 2 types of residual soils (sample A and B) with natural river sand (sample C) in Tete Province, Mozambique. Various combinations of soils and sand (sample A+C, B+C and A+B+C) are assessed for the purpose of improving their strength to conform as pavement materials. Laboratory classification tests (grading and Atterberg Limits) were conducted on each of the 3 natural materials and strength tests (CBR and compaction) were performed on each of the 2 soil samples (sample A and B) and on the mixtures of soils and sand (A+C, B+C and A+B+C) in different proportions of the blended materials. The results of strength tests indicated that the addition of sand to sample A reduced the maximum dry density (MDD) and the optimum moisture content (OMC) and the CBR values (for 1-day soaked) decreased. For sample B, addition of sand caused a decrease in OMC and an increase of the MDD and CBR (1-day soaked). The optimum proportions of the blended material were obtained with 20% sand (C), 20% of soil sample B and 60% of soil sample A which gave a CBR of 98% after 4 days of soaking. A trial section of base course with materials dumped in the ratio of 1 truck of soil sample B, 1 truck of sand sample C and 3 trucks of soil sample A gave a 4-day soaked CBR of 79%. The study indicates that sand may be mixed with several soils from different borrow pits to improve the properties for road construction materials. Laboratory and field tests are presented to compare the properties of the mechanically stabilized trial section and the optimum design parameters.
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Conference papers on the topic "Maximum hygroscopic moisture content and compaction moisture content"

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Khan, Hamad, Muhammad Jawad-ul-Haq, Abdullah Khan Jadoon, and Haq Nawaz Khan. "Optimizing Granular Soil Properties with Marble Dust: A Case Study from Peshawar City." In 14th International Civil Engineering Conference. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-ozq4uc.

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A The marble processing industry in the Peshawar region generates a significant amount of waste during the cutting and processing stages, with approximately 20 to 25% of the total processed stone ending up as waste. This waste is often disposed of in open land, causing severe environmental problems. To address these issues, this study investigates the use of waste marble dust for soil stabilization as an economical and sustainable solution, particularly in regions where granular material for backfilling is scarce. Granular soil (sand) samples were mixed with varying percentages of waste marble
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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 soft clay." In INTERNATIONAL CONFERENCE ON ARCHITECTURAL AND CIVIL ENGINEERING 2020. Cihan University-Erbil, 2021. http://dx.doi.org/10.24086/aces2020/paper.143.

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This study investigated the influence of sand content on the mechanical behaviour of a low plasticity clay found in Iraq. Samples were prepared with sand contents of 0%, 10%, 20%, 30%, and 40% of the weight of the clay. Standard Proctor and unconfined compression tests were carried out and the optimum moisture content, maximum dry density, and undrained shear strength were determined. The results showed a gradual increasing trend of the maximum dry density with the increase of the sand content up to 30%. The highest dry density reached was 1.90 gm/cm3 corresponding to an optimum moisture conte
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Malikzada, Abdulmuner, Hasan Fırat Pulat, and İnci Develioğlu. "Effect of Fly Ash on Compaction Behavior of Alluvial Soil." In International Students Science Congress. Izmir International Guest Student Association, 2021. http://dx.doi.org/10.52460/issc.2021.016.

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Low plasticity, high bearing capacity, low settlement, etc. are the preferred properties for most engineering projects. Alluvial soils are problematic soils because of low bearing capacity, high organic matter content, and high void ratio so they do not meet the preferred condition for engineering projects. It has been necessary to improve unsuitable materials to make them acceptable for construction. Fly ash (FA) has earlier been used for stabilizing roads due to its high content of calcium and silicate oxides which give puzzolanic properties and thus high compression strength. In this resear
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Prasetyanti, Aji, Muchamad Rifai, Indah Suryaningtyas, et al. "Electrical density gauge (EDG) for quick quality control approach in soil compaction." In Zbornik radova sa Nacionalne konferencije sa međunarodnim učešćem – Zelena Gradnja 2024. University of Niš - Faculty of Civil Engineering and Architecture, 2024. http://dx.doi.org/10.5937/greenb24047p.

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Soil compaction can be a main civil work as during construction, soil is compacted layer by layer and the quality of each layer is controlled by a ratio between its dry density and the maximum value obtained from a Proctor test. A very common conventional method of this measurement is sand cone or rubber balloon method, and of course it can be a constraint for a rapid project. Recently, a complex impedance measuring instrument (CIMI) method, commonly known as electrical density gauge (EDG) is introduced in Indonesia as it is uncommonly used. It is a quick method to control the compaction quali
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Khalid, Norazlan, Mazidah Mukri, and Norbaya Sidek. "Predicting the Compaction Characteristics for Malaysian Sedimentary Residual Soil Mixed Bentonite as Compacted Soil Liner by Regression Model." In International Conference on Nanoscience and Nanotechnology 2022. Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-9pl11c.

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This paper presents the regression model for predicting the maximum dry density (MDD) and optimum moisture content (OMC) for sedimentary residual soil mixed with bentonite. The empirical models were developed in accordance with the statistical validity steps and conditions. The laboratories were conducted to determine the physical properties of mixed samples with bentonite such as Atterberg limit and particle size distribution. Meanwhile the compaction testing was performed on the mixed soil samples with bentonite to determine the MDD and OMC values at different compaction energies. The data o
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M. Alshkane, Younis, Alle A. Hussein, Kamal A. Rashed, and Diyari A. Mohammed. "Estimation of Soaked California Bearing Ratio using Compaction Characteristics and Liquid Limit for Cohesive Soils in Iraq." In The 3rd International Conference on Engineering and Innovative Technology. Salahaddin University-Erbil, 2025. https://doi.org/10.31972/iceit2024.061.

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Developing reliable models to predict engineering parameters is an effective strategy to reduce the time needed for tests and the overall cost of the project. One of the extensively used parameters in highway construction projects is the California Bearing Ratio (CBR), which is of the significant parameter in road layers. In this study, the goal is to investigate the possibility of predicting CBR values of fine-grained soil from soil index properties for subgrade made from cohesive materials. The simple regression using one variable and multiple regression analysis using multi variable have be
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Rahman, Abdul Samad Abdul, Norbaya Sidek, Sulaiman Hasim, Juhaizad Ahmad, Mohd Ikmal Mohd Fazlan, and Nur Syazwana Mohamad. "Coconut Shell Ash (CSA) as the Stabilizer for Soft Soil Treatment." In International Conference on Nanoscience and Nanotechnology 2022. Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-y966ph.

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Soft soil consists of inherent properties where it is unstable in geotechnical condition with low shear strength. The present of soft soil is one of the problematic ground conditions that can pose great challenges in the related field. Moreover, soft soil is not suitable for being used in the construction of highways and buildings due to its undesirable characteristics such as high-water content, low shear strength, low bearing capacity and low permeability. Thus, soil improvement will be crucial in future geotechnical practice for designing structures in weak soil. The aim of this study is to
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