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Showing 1 to 20 of 31 for “"Dry Density"”.
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Effects Of The Soil Properties On The Maximum Dry Density Obtained Fro
… 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 …
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Hydrocollapsible soil correlations
… versus percent collapse, it is determined that dry density and water content have the strongest relationship of the variables examined to collapse. Multiple linear regression was also utilized to explore the possibility of predicting percent collapse from depth, classification, dry density and …
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Factors influencing laboratory vibratory compaction
… tests exist for the determination of the maximum dry density of cohesionless, free-draining soil. The US methods are based on the use of a vibratory table, while the European practice is based on the use of a vibratory tamper. No standard tests appear to exist for soil exhibiting cohesion, though …
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An Experimental Study on Soil Water Characteristics and Hydraulic Conductivity of Compacted Soils
… (TRIM) is used to measure the SWCC and HCF under drying and wetting states, which accommodates integrated experimental and modeling techniques. The results of saturated hydraulic conductivity tests through flexible wall method are then used as input parameters for simulating experimental data. In …
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Contractor Variability in Construction of Cement Treated Base Layers
… time between mixing and compaction in the field, dry density in the field, 7-day dry density, 7-day moisture content, 28-day dry density, and 28-day moisture content. The factors that were found to be the most variable on both I-84 and US-91 were CBR, cement content, time between mixing and …
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Measuring compositional and growth properties of single cells
… are applied to the measurement of total mass, density and volume at the single-cell level. Finally, a method is introduced to quantify cellular dry mass, dry density and water content. It is based on weighing the same cell first in a water-based fluid and subsequently in a deuterium oxide-based …
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Pilot-scale production and physicochemical properties of mycelium-based materials and diversity assessment of a fungal biobank
… the production and physicochemical properties—dry density, moisture content, and water absorption—of mycelium-based materials produced at pilot scale by growing white rot fungi from the genera Ganoderma and Pleurotus on canola straw, wheat straw, and cork granulates. The mycelium bricks made …
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Investigating Use of Aggregate Density to Develop Design Aggregate Structure for Asphalt Concrete Mixtures
… potential causes for the failures, aggregate density within the mix when designed at 80 gyrations was of specific concern to this thesis and was compared to the maximum dry density of the aggregate as measured using ASTM D4253-00. The objective of this research was to determine if the …
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Swelling behaviour of unsaturated fine grained soils
… as the initial state of the soil as described by dry density and water content. Suction measurements made using the filter paper method, showed that dry density and water content can be used instead of specific volume and suction when defining the state of an unsaturated soil. The results from the …
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Evaluation of the electrical density gauge for in-situ moisture and density determination
… effort. The optimum moisture content and maximum dry density for a particular soil is determined by means of Proctor tests in the laboratory. A relative compaction index is then used to correlate the laboratory values with the field compaction values obtained using in-situ tests. The Sand Cone …
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Evaluation of Stability Parameters for Landfills
… and the secondary settlement based on dry density and typical landfill evaluating parameters. Both parts of the study samples were collected and analyzed from eleven landfills. In the first part of the study, bioreactor landfills were found more effective, faster in the degradation of …
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Strength and Erodability of South Carolina Soils for Embankment Construction
… specimens were remolded to 95% of the maximum dry density with moisture content between -1% to +2% of the optimum moisture content. Based on the results, soils from D2-Anderson-01, B-1 (MH), D2-Abbeville-01, B-1 (SM), D4-York-04, B-2 (SM), D2- Abbeville-01, B-3 (SM), D1-Richland-08, B-2 (ML) …
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Mechanical behavior of red oak in transverse compression as affected by hydro-treatments and its relations to changes in cell wall structure and composition
… hrs of steaming volumetric shrinkage to the air-dry condition was 4.4 times that of the non-treated wood and was thus indicative of cell wall collapse. Specific gravity and equilibrium moisture content were decreasing and air-dry density was increasing with an increase in steaming time. Color of …
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Carbonated foamed cellular concrete
… of stabilized air bubbles in the paste. The density of cellular concrete usually ranges from 300 kg/m3 to 1800 kg/m3 and has been used for applications such as thermal insulation, dead load reduction, and lightweight fill. Foamed Cellular Concrete (FCC) is one potential material solution to …
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Suitability of Lateritic Soils as Construction Material in Sustainable Housing Development in Africa : a Geological Perspective
… compressive strength with a relatively sound dry density which could guarantee a good durability in resulting bricks made from these soil materials. Further test on the strength and durability of compressed earth bricks (CEBs) made from these lateritic soils revealed a brick with compressive …
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Dry Deshaling of Thermal Coals in India
… India's coal feed stocks is the air table dry deshaling technology. Dry deshaling offers significant advantages over wet cleaning operations, including reduced surface moisture, enhanced heating value, elimination of processing water and waste slurries, and reduced transportation of large …
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Enhanced Biodegradation in Landfills
… of interest were moisture content, pH, density, temperature, volatile solids, cellulose/lignin ratios, and biological methane potential (BMP). Leachate recirculation increased the dry density 55% faster and decreased the BMP 125% more rapidly. Moisture content was the biggest factor …
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The effect of high volumes of ungraded fly ash on the properties of foamed concrete
… of air in the cement paste or mortar. The density of foamed concrete is a function of the volume of foam added to the slurry and the strength decreases with decreasing density. In this study the effect on the properties of foamed concrete, of replacing large volumes of cement with both …
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Investigation of desiccation cracks in drying soil
… area that is prone to extremes in flooding and drying. A detailed study of the previous works on this topic showed the absence of fully-monitored laboratory tests dedicated to desiccation cracking behaviour. This study combined traditional and new techniques to characterise desiccation cracking …
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Laboratory Resistivity Measurements for Soil Characterization
… geotechnical information such as soil type, density, and water content from the data. A laboratory geophysical investigation was carried out to gain a better understanding of the parameters that affect the electrical resistivity of soils and devise a relationship between resistivity and soil …
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