Relevant bibliographies by topics / Maximum Dry Density (MDD)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Maximum Dry Density (MDD)'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Maximum Dry Density (MDD)"

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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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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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Ogboin, Amadise S., Nwaobakata Chukwuemeka, and Charles Kennedy. "Efficiency of Costus Lateriflorus Bagasse Fiber and Cement Composite as Soil Stabilizer for Road Pavement." Scholars Journal of Engineering and Technology 10, no. 4 (2022): 35–41. http://dx.doi.org/10.36347/sjet.2022.v10i04.002.

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This study investigated the effect of costus lateriflorus bagasse fiber and cement composites on extensive soil compaction. Laterite and clay samples from Ubeta-Ula-Ubie Road at Ahoada West LGA in Rivers, Nigeria were prepared and analyzed for changes in maximum dry density (MDD), Optimum moisture content (OMC), consistency limits, and California bearing ratio (CBR) and unconfined compressive strength (UCS), maximum dry density (MDD), liquid limit (LL), and plasticity index (PI) of laterite and stabilized clay decreased with increasing proportion of bass fiber composites, while optimum moistur
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Chukwuemeka, Nwaobakata, Amadise S. Ogboin, and Charles Kennedy. "Performance of Costus Lateriflorus Bagasse Ash and Cement as Stabilization Materials for Soil in Road Construction." Saudi Journal of Civil Engineering 6, no. 4 (2022): 57–63. http://dx.doi.org/10.36348/sjce.2022.v06i04.001.

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The study investigated the performance of Costus lateriflorus bagasse ash and cement composite for stabilization of Laterite and clay soils from Ubeta-Ula-Ubie road in Ahoada West LGA of Rivers state, Nigeria. The soil samples were prepared and tested for variations in maximum dry density (MDD), optimum moisture content (OMC), consistency limits, California bearing ratio (CBR) and unconfined compressive strength (UCS), maximum dry density (MDD), liquid limit (LL) and plasticity index (PI) of the stabilized laterite and clay soils decreased with increasing percentage of the bagasse ash composit
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Chukwuemeka, Nwaobakata, Amadise S. Ogboin, and Charles Kennedy. "Performance of Costus Lateriflorus Bagasse Ash and Cement as Stabilization Materials for Soil in Road Construction." Saudi Journal of Civil Engineering 6, no. 4 (2022): 57–63. http://dx.doi.org/10.36348/sjce.2022.v06i04.001.

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The study investigated the performance of Costus lateriflorus bagasse ash and cement composite for stabilization of Laterite and clay soils from Ubeta-Ula-Ubie road in Ahoada West LGA of Rivers state, Nigeria. The soil samples were prepared and tested for variations in maximum dry density (MDD), optimum moisture content (OMC), consistency limits, California bearing ratio (CBR) and unconfined compressive strength (UCS), maximum dry density (MDD), liquid limit (LL) and plasticity index (PI) of the stabilized laterite and clay soils decreased with increasing percentage of the bagasse ash composit
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Khalid, Norazlan, Mazidah Mukri, Norhazwani Md Zain, Zakiah Razak, and Ismacahyadibagus Mohamed Jais. "MULTIPLE LINEAR REGRESSION MODELLING FOR THE COMPACTION CHARACTERISTICS OF SEDIMENTARY SOIL MIXED BENTONITE AS COMPACTED LINER." Jurnal Teknologi 85, no. 6 (2023): 181–86. http://dx.doi.org/10.11113/jurnalteknologi.v85.20161.

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This paper attempts to develop a prediction model for compaction characteristics such as maximum dry density (MDD) and optimum moisture content (OMC) of sedimentary residual soil mixed with bentonite as compacted liner. This prediction model was based on the laboratories testing data such as compaction testing and Atterberg limit testing of residual soil mixed with bentonite. Meanwhile, compaction testing was conducted at the different compaction energies. The Multiple Linear Regression (MLR) analysis method was selected to develop a model in determining the maximum dry density (MDD) and optim
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Khatti, Jitendra, and Kamaldeep Singh Grover. "DETERMINATION OF THE OPTIMUM PERFORMANCE AI MODEL AND METHODOLOGY TO PREDICT THE COMPACTION PARAMETERS OF SOILS." ICTACT Journal on Soft Computing 12, no. 3 (2022): 2640–50. http://dx.doi.org/10.21917/ijsc.2022.0378.

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This technical article helps identify the optimum performance AI model for predicting compaction parameters of soil. A comparative study is mapped between regression analysis (RA), Gaussian process regression (GPR), decision tree (DT), support vector machine (SVM), and artificial neural networks (ANNs) approaches using 59 soil datasets. The soil dataset consists of soil properties such as gravel content, silt content, sand content, specific gravity, clay content, plasticity index, and liquid limit. The soil properties are used as input parameters to develop the AI model to predict soil optimum
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Koirala, Dipak, Keshab Datt Awasthi, and Niraj Bohara. "Association between CBR and Soil Index Properties: Empirical Analysis from Chitwan and Makwanpur District Soil Samples." Journal of UTEC Engineering Management 1, no. 01 (2023): 7–15. http://dx.doi.org/10.36344/utecem.2023.v01i01.002.

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The California Bearing Ratio (CBR) value is a crucial soil parameter in road construction and design. Obtaining representative CBR values is challenging, requiring time-consuming and expensive testing procedures. To address this issue, regression equations were developed to establish correlations between CBR and soil index properties. Laboratory tests were conducted to determine the soaked CBR, Liquid Limit (LL), Plastic Limit (PL), Plasticity Index (PI), Maximum Dry Density (MDD), and Optimum Moisture Content (OMC) of soil samples. Regression models were then created between CBR and different
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Chukwuemeka, Nwaobakata, Charles Kennedy, and Amadise S. Ogboin. "Modification of Expansive Soil with Costus Lateriflorus Bagasse Ash for Road Pavement Materials." East African Scholars Multidisciplinary Bulletin 5, no. 4 (2022): 53–62. http://dx.doi.org/10.36349/easjmb.2022.v05i04.002.

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This study evaluates the effect of costus lateriflorus bagasse ash on expansive soil properties. Laterite and clay samples from the Ubeta-Ula-Ubie road at Ahoada West LGA in Rivers, Nigeria were prepared and laboratory analysis performed for development potential, volume change, maximum dry density (MDD), optimum moisture content (OMC), consistency limits, California bearing ratio (CBR) and unconfined compressive strength (UCS). Initial analysis classified the soil as A-7-6 under the AASHTO classification system. The development potential, volume change, maximum dry density (MDD), liquid limit
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Ogboin, Amadise S., Charles Kennedy, and Nwaobakata Chukwuemeka. "Stabilization of Ula-Ubie-Ubeta Town Road Laterite Soil with Costus Lateriflorus Bagasse Fibre." South Asian Research Journal of Engineering and Technology 4, no. 2 (2022): 22–30. http://dx.doi.org/10.36346/sarjet.2022.v04i02.001.

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The study evaluated the influence of Costus lateriflorus bagasse fibre on the properties of expansive soils. Laterite and clay soil samples along Ubeta-Ula-Ubie road in Ahoada West LGA of Rivers state, Nigeria were prepared and subjected to laboratory analysis for swelling potential, volume change, maximum dry density (MDD), optimum moisture content (OMC), consistency limits, California bearing ratio (CBR) and unconfined compressive strength (UCS). Preliminary analysis classified the soils as A-7- 6 on the AASHTO classification system. Swelling potential, volume change, maximum dry density (MD
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Dissertations / Theses on the topic "Maximum Dry Density (MDD)"

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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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Maurizio, Cabrera Barrionuevo, Jean Pierre Dominguez Aguilar, and Pacheco Miranda Lidia. "Mechanical behavior direct shear a volcanic sand reinforced with polypropylene fiber and cement." Institute of Electrical and Electronics Engineers Inc, 2020. http://hdl.handle.net/10757/656411.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>This article describes consolidated Direct Cut tests not drained in the laboratory, carried out on samples of volcanic sand from Arequipa, Peru. The samples were tested for maximum dry density and optimal moisture content; Furthermore, they were reinforced with polypropylene fibers and cement. The samples were reinforced with 0.5% cement with respect to the dry weight of the sample soil and tested at 3 days. The added polypropylene fiber has di
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Lin, Yi-Cheng, and 林宜正. "Measurement Uncertainty of Optimum Moisture Content and Maximum Dry Density in Standard Effort Method." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/26793472518062740831.

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碩士<br>國立屏東科技大學<br>土木工程系所<br>100<br>This study intends to investigate the relationship between soil moisture and density. Under the sameenergy 12400ft-1bf/ft3 ram pressure conditions. We used the standard compaction test to implement Method-C (Using 5.5 1bs hammer free-falls from the 12 inch height to 4 inch steel specimens which is divided into three-tiers. Each tier pounds 25 times). and Method-D(Using 5.5 1bs hammer free-falls from the 12 inch height to 6 inch steel specimens which’s divided into three-tiers. Each tier pounds 56 times). The difference of the maximum dry density and the diffe
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Allinsin, Anthony James. "An analysis of the factors influencing the relationship between soil properties and optimum moisture content and the formulation of an abbreviated test method of determinig maximum dry density." Thesis, 1997. http://hdl.handle.net/10321/2892.

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Dissertation submitted in compliance with the requirements for the Masters Degree in Technology: Civil Engineering, Technikon Natal, 1997.<br>The strength and durability of any soil structure is dependent on the quality of the compaction of the soil. This quality is measured by employing a standard compaction test, which provides a standard with which density may be compared, called the maximum dry density, and the moisture content of the soil at which this is achieved, called the optimum moisture content. As a matter of routine during quality control, the particle size distribution, plasticit
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Book chapters on the topic "Maximum Dry Density (MDD)"

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Carey, Trevor J., Nicholas Stone, and Bruce L. Kutter. "Grain Size Analysis and Maximum and Minimum Dry Density Testing of Ottawa F-65 Sand for LEAP-UCD-2017." In Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22818-7_2.

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Nguyen Duc, Manh, An Ho Sy, Truong Nguyen Ngoc, and Thuy Linh Hoang Thi. "An Artificial Intelligence Approach Based on Multi-layer Perceptron Neural Network and Random Forest for Predicting Maximum Dry Density and Optimum Moisture Content of Soil Material in Quang Ninh Province, Vietnam." In Lecture Notes in Civil Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-7160-9_176.

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Ueda, Kyohei, Yoshikazu Tanaka, Anurag Sahare, et al. "LEAP-ASIA-2019 Simulation Exercise: Calibration of Constitutive Models and Simulations of the Element Tests." In Model Tests and Numerical Simulations of Liquefaction and Lateral Spreading II. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-48821-4_2.

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AbstractThis chapter presents a summary of the calibration exercises (i.e., element test simulations) submitted by nine numerical simulation teams that participated in the LEAP-ASIA-2019 prediction campaign. The standard sand selected for the campaign is Ottawa F-65, and researchers have developed several efforts to increase the database of laboratory tests to characterize the physical and mechanical properties of this sand (Carey TJ, Stone N, Kutter BL, Grain Size Analysis and Maximum and Minimum Dry Density of Ottawa F-65 Sand for LEAP-UCD-2017. Model tests and numerical simulations of lique
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Shah, Vishal Shreyans, Henyl Rakesh Shah, and Pijush Samui. "Application of Meta-Models (MPMR and ELM) for Determining OMC, MDD and Soaked CBR Value of Soil." In Advances in Computational Intelligence and Robotics. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9474-3.ch015.

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This chapter examines the capability of Minimax Probability Machine Regression (MPMR) and Extreme Learning Machine (ELM) for prediction of Optimum Moisture Content (OMC), Maximum Dry Density (MDD) and Soaked California Bearing Ratio (CBR) of soil. These algorithms can analyse data and recognize patterns and are proved to be very useful for problems pertaining to classification and regression analysis. These regression models are used for prediction of OMC and MDD using Liquid limit (LL) and Plastic limit (PL) as input parameters. Whereas Soaked CBR is predicted using Liquid limit, Plastic limi
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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)
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Fakeye, Attah, Olusegun Ige, and Olufemi Ogunsanwo. "Multivariate Assessment of California Bearing Ratio with Contrasted Geotechnical Properties of Soils in Ilorin-Lokoja Highway." In Engineering Geology. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.93523.

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California Bearing Ratio (CBR) is an important parameter used in designing pavement layers in road construction but testing this parameter requires time, labor, and huge cost. The study therefore applies multivariate approach to evaluate CBR based on contrasted geotechnical parameters along Ilorin-Lokoja highway. The results obtained showed that the migmatite-gneiss-derived soils are slightly more fines (&lt; 0.075 mm; 7.4–59.6%), more plastic (PI; 1.6–39%), and have low strength (MDD = 1.8 mg/m3; CBR = 29.0%) than the metasediments (11–57.7%, 2.0–30%, 1.6 mg/m3, 23.6%) and older granite soils
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"maximum dry density." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_130872.

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"dry maximum density." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_44521.

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Siripun Komsun, Jitsangiam Peerapong, and Nikraz Hamid. "Dynamic Response Improvement of Crushed Rock With Cement Modification." In Deformation Characteristics of Geomaterials. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-822-9-754.

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This paper aims to report the deformation behavior improvement of cemented crushed rock as a road base material subjected to cyclic loads from repeated load triaxial (RLT) tests with a series of various stress paths in order to develop more understanding of modified road base material. As is well known, pavement surface rutting with unacceptable deformation is normally the main cause of damage in flexible pavements. Currently, existing and natural materials are unable to cope with the premature deterioration. Factors contributing to such damage are the excessive permanent and resilient deforma
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Conde M.C., Lopes M.G., and Caldeira L. "Stiffness methods for compaction control: the P-FWD device." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-031-5-1012.

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Soil compaction is essential in the construction of highways, airports, buildings, bridges and dams. There is a current trend towards measuring the soil modulus instead the density. This approach is supported by the concept that the performance requirements (e.g., maximum soil strength, minimum permeability or minimum compressibility) may not correspond to the maximum soil dry density at its optimum water content.
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Conference papers on the topic "Maximum Dry Density (MDD)"

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Ramkumar, Sowmya, and D. Nalini. "Corrosion Abatement in Acid Pickling Industries by Effective N-Heterocyclic Compounds: Dry and Wet Lab Studies." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07431.

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Abstract During the chemical cleaning process using acids, in many electroplating and other descaling industries, there exists the problem of heavy metal loss. Hence there is always a need for abatement of this metal loss. A critical (steady state) value of the resistivity to corrosion of two organic compounds, 5-[2-(4-methoxyphenyl)-vinyl]-3-phenyl isoxazole (MVI) and 5-[2-(4-methoxyphenyl)-vinyl]-1,3,8-triaza-cyclopenta[a]indene (MCI) were determined by a combination of non-electrochemical and electrochemical monitoring techniques. The behavior of organic compound, on a metallic alloy, i.e.,
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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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Abuazza, O., R. Elaish, K. Enawaa, S. Alomami, and A. Gaderbuh. "Evaluation of Sacrificial Anode Backfill Material." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08051.

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Abstract A common method of corrosion control of buried pipeline is that of cathodic protection involving the use of sacrificial anodes. To ensure maximum effectiveness of an anode, a suitable backfill material of Gypsum/Bentonite is required to maintain the necessary current flow. This material is generally inert and moisture retentive. In the River Project of Libya, the bentonite used was collected from two different clay member formations. The destructive inspection of zinc anodes revealed that the backfill material used from one formation (No. 1) has dried quickly and shrunk away from the
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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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Al Shorman, B. "Comprehensive review of soil stabilization agents." In Advanced Topics in Mechanics of Materials, Structures and Construction. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902592-12.

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Abstract. Soil stabilization is a technique that is used in most construction projects to enhance the geotechnical and engineering properties of soil. There is a wide range of research studies related to soil stabilization techniques and agents, these studies discussed the effects of the different types of soil stabilization on soil, the most suitable agent type regarding soil classification, and the challenges that were founded during the application of these processes. Stabilization agents include traditional and non-traditional additives with their different categories were reviewed and dis
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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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OLUREMI, Johnson R. "Consistency and strength indices of geopolymerized crude oil-contaminated soil using alkaline activated blast furnace slag." In Advances in Cement and Concrete. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903537-18.

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Abstract. Crude oil contamination has been proven to adversely alter soil's geotechnical properties, which normally renders it unsuitable for use as road construction materials. Although researchers have extensively studied various ways of remediating and improving the properties of crude oil-contaminated soils (COCS), the differing results still make it a subject of interest. This study investigated the performance evaluation of the effects of ground granulated blast furnace slag (GGBFS) activated with a mixture of Sodium silicate and Sodium hydroxide on the strength of crude oil-contaminated
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Xiushao, Zhao, Mo Linli, Diao Xinhong, Zheng Wei, and Wang Xu. "The Research to Obtain Fine Grained Soil's Maximum Dry Density by Fast Consolidation Compression Method." In 2015 Seventh International Conference on Measuring Technology and Mechatronics Automation (ICMTMA). IEEE, 2015. http://dx.doi.org/10.1109/icmtma.2015.313.

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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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Reports on the topic "Maximum Dry Density (MDD)"

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Rahman, Shahedur, Rodrigo Salgado, Monica Prezzi, and Peter J. Becker. Improvement of Stiffness and Strength of Backfill Soils Through Optimization of Compaction Procedures and Specifications. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317134.

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Vibration compaction is the most effective way of compacting coarse-grained materials. The effects of vibration frequency and amplitude on the compaction density of different backfill materials commonly used by INDOT (No. 4 natural sand, No. 24 stone sand, and No. 5, No. 8, No. 43 aggregates) were studied in this research. The test materials were characterized based on the particle sizes and morphology parameters using digital image analysis technique. Small-scale laboratory compaction tests were carried out with variable frequency and amplitude of vibrations using vibratory hammer and vibrato
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Shivakumar, Pranavkumar, Kanika Gupta, Antonio Bobet, Boonam Shin, and Peter J. Becker. Estimating Strength from Stiffness for Chemically Treated Soils. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317383.

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Abstract:
The central theme of this study is to identify strength-stiffness correlations for chemically treated subgrade soils in Indiana. This was done by conducting Unconfined Compression (UC) Tests and Resilient Modulus Tests for soils collected at three different sites—US-31, SR-37, and I-65. At each site, soil samples were obtained from 11 locations at 30 ft spacing. The soils were treated in the laboratory with cement, using the same proportions used for construction, and cured for 7 and 28 days before testing. Results from the UC tests were compared with the resilient modulus results that were av
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