Academic literature on the topic 'Prospecting Soil mechanics'

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Journal articles on the topic "Prospecting Soil mechanics"

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Mirsayapov, I. T., and I. V. Koroleva. "Fourteenth International Symposium on Soil Rheology "Prospective Trends in Theoretical and Practical Development in Rheology and Soil Mechanics"." Soil Mechanics and Foundation Engineering 51, no. 6 (January 2015): 315–16. http://dx.doi.org/10.1007/s11204-015-9296-x.

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Malanchuk, Zynovii, Viktor Moshynskyi, Yevhenii Malanchuk, and Valerii Korniienko. "Physico-Mechanical and Chemical Characteristics of Amber." Solid State Phenomena 277 (June 2018): 80–89. http://dx.doi.org/10.4028/www.scientific.net/ssp.277.80.

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Amber of amber-bearing deposits in Rivne-Volyn region of Ukraine has been analyzed. Relying upon instrumental techniques, physical and chemical as well as spectral analyses, and geological prospecting of the deposits, chemical composition and ultimate composition of amber occurring at the territory of Klesiv deposit (Ukraine, Rivne Region, Sarny District) have been identified. Klesiv amber contains the greatest part of inclusions; it contains 18 chemical elements. Basing upon the performed geological cross-section it has been determined that the amber occur in sandy soil and sandy-shale soil. The depth is insignificant – from 1 m to 10 – 15 m. Moreover, to determine the cost, experimental technique has been developed. The technique involves classification of the amber fragments according to their form, dimensions, and colour. Lithologic-and-facies sections of sites of Klesiv deposit have been obtained.
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Zhao, Yu Ling. "Deformation Characteristics of Determination of Mechanical Properties of Experimental Teaching of Cohesive Soil under Constrained Conditions." Applied Mechanics and Materials 543-547 (March 2014): 4018–21. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.4018.

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Under the various load combination of buildings, the deformation of foundation soil. The size of the deformation directly affects the safety of the buildings. Factors that affect the deformation is mainly the geological structure, such as moisture content, density, soil after being compressed volume smaller feature is the compressibility of soil. Geotechnical engineering is a direction of the development of the civil engineering specialty, test provide necessary parameters for building foundation engineering, geotechnical laboratory for cohesive soil consolidation experiment teaching, make students grasp to determine the quantitative relation between the deformation and load, compression curve and rebound curve drawing, it provide necessary theoretical basis for geological prospecting work, provide necessary parameters for building foundation design, closely integrated theory and practice..
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Suliman Mostafa, Younis. "Litho chemical Prospecting for Gold Mineralization In Duweishat Mine Area-Northern Sudan." FES Journal of Engineering Sciences 3, no. 1 (November 6, 2008): 15. http://dx.doi.org/10.52981/fjes.v3i1.81.

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The studied locality lies in North state of arid to semi-arid climate, where physical-mechanical weathering and denudation processes dominate. The lithostratgraphic sequence in geochronological order (from bottom to top) as high-grade gneisses, low-grade metasedments, serpentinized altrabasic (ophiolite complex) rocks, and younger granitoidal intrusions. Results which were obtained for Au and accompanying elements (Ag, Co, Cu, Pb, and Zn) were subjected to statistical analysis to reveral parameters such as (background value (Cb), coefficient of correlation, coefficient of variation, geochemical factors, productivities, and coefficient of dispersion). Sampling of residual soil was found to be effective in prospecting to reveal anomalous contents of chemical elements in the study area. Statistical methods interpretation of data proved to be effective and complement each other. The coefficients of correlation of Au with the accompanying elements in chip composite samples show values more reliable values for prospecting than those of the soil samples. Gold dispersion in the study area shows erratic behavior. The other mobile elements are dispersed around the mineralized quartz veins. The morphology of secondary dispersion halos of ore elements reflects more or less the morphology of the hidden ore bodies Coefficients of correlation when they are reliable can be used to define pathfinder to prospect for difficult gold. Geochemical factor can indicate horizon of mineralization and level of weathering.
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Ma, Hongwang, and Qi Ma. "Experimental Studies on the Mechanical Properties of Loess Stabilized with Sodium Carboxymethyl Cellulose." Advances in Materials Science and Engineering 2019 (March 20, 2019): 1–8. http://dx.doi.org/10.1155/2019/9375685.

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This research investigated the use of sodium carboxymethyl cellulose (CMC) as a reinforcement to improve mechanical properties of loess soil found in northwestern China. The mechanical properties of loess were determined by unconfined compressive strength and split tensile strength tests. Three different contents of CMC were adopted: 0.5%, 1.0%, and 1.5%. The results showed that utilizing CMC reduced the maximum dry density of the loess. The compressive strength, tensile strength, and Young’s modulus are enough to construct low-rise buildings when the CMC content exceeds 1.0%, based on existing standards. This research thus provides a prospective sustainability method for loess stabilization.
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Centeno-Salas, F. A., D. Carreón-Freyre, W. A. Flores-García, and R. I. Gutiérrez-Calderón. "Application of high resolution geophysical prospecting to assess the risk related to subsurface deformationin Mexico City." Proceedings of the International Association of Hydrological Sciences 372 (November 12, 2015): 267–72. http://dx.doi.org/10.5194/piahs-372-267-2015.

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Abstract. In the eastern sector of Mexico City the sub soil consists of high contrasting sequences (lacustrine and volcanic inter bedded deposits) that favor the development of erratic fracturing in the surface causing damage to the urban infrastructure. The high-resolution geophysical prospecting are useful tools for the assessment of ground deformation and fracturing associated with land subsidence phenomena. The GPR method allowed to evaluate the fracture propagation and deformation of vulcano-sedimentary sequences at different depths, the main electrical parameters are directly related with the gravimetric and volumetric water content and therefore with the plasticity of the near surface prospected sequences. The active seismology prospection consisted in a combination of Seismic Refraction (SR) and Multichannel Analysis of Surface Waves (MASW) for the estimation of the velocity of the mechanical compressive (P) and the shear (S) waves. The integration of both methods allowed to estimate the geomechanical parameters characterizing the studied sequence, the Poisson Ratio and the volumetric compressibility. The obtained mechanical parameters were correlated with laboratory measured parameters such as plasticity index, density, shear strength and compressibility and, GPR and seismic profiles were correlated with the mapped fracture systems in the study area. Once calibrated, the profiles allowed to identify the lithological contact between lacustrine and volcanic sequences, their variations of thicknesses in depth and to assess the deformation area in the surface. An accurate determination of the geometry of fracturing was of the most importance for the assessment of the geological risk in the study area.
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Karablin, Mikhail M., and Sergey M. Prostov. "Diagnosing the landslide areas of Angren open pit marginal mass according to the data of seismo- and electrical prospecting." Izvestiya vysshikh uchebnykh zavedenii Gornyi zhurnal, no. 1 (February 17, 2020): 48–59. http://dx.doi.org/10.21440/0536-1028-2020-1-48-59.

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Introduction. Sloping structures (quarry sides, dumps, banks, cuts, dams, etc) stability forecasting accuracy improvement requires detailed elaboration of physical-mechanical properties of the rock mass under consideration. Traditional methods of well engineering-geological exploration and hydrogeological monitoring are therefore supplemented by geophysical study. Research aim is to diagnose unstable deconsolidated and wetted zones in marginal masses for the purpose of further forecast of quarry sides stability. Methodology. Databases of geophysical studies obtained by the expeditions of the services of the Republic of Uzbekistan at Angren open pit. Results. For the test area represented by 11 seismic stations at the southern side of the quarry, the criterion assessing the state of the site as potentially landslide hazardous according to the results of circular seismic sounding has been experimentally obtained. With the use of this criterion, in the plan of the landslide zone the borders have been established. For the test area represented by 16 geophysical profiles at the northers side, by electrical profiling graphs and geological sections for the corresponding profiles, 58 "Izvestiya vysshikh uchebnykh zavedenii. Gornyi zhurnal". No. 1. 2020 ISSN 0536-1028 the following regularities have been found: at profile areas adjacent to the runs (rivers), local negative anomalies of effective resistivity up to 20–50 Ohm ∙ m are observed connected with soils wetting; between the anomalous areas the alternation of effective resistivity qualitatively coincides with the alternation of the thickness of a layer of loose deposits. By the arrangement of the negative anomalies borders at the graphs pf effective resistivity dependence on the spread of the profile along all profiles (PR1–PR16), the borders of the wetted zones were established in the plan of the test area. Summary. For geomechanical processes monitoring in the landslide zones it is advisable to apply the method of circular seismic sounding determining the value and the anisotropy coefficient according to the extreme values of compressional arrival time. For the conditions of the Angren open pit, the criterion of potential hazard of landslide development is the value of the anisotropy coefficient higher than 1.6. When elaborating the detailes of the physical properties of landslide zones in quarry sides which are weakened by sand-clay Quaternary sediments, by the method of electrical profiling it is advisable to use: the linear dependence on the thickness of Quaternary sediments on the value of the effective resistivity; hyperbolic dependence of soils relative wetness within the water saturation zones on the value of the effective resistivity ascribed to the reference value defined in the site of soil samples collection, and the borders of wetting zones are to be established by the negative anomalies at electrical profiling graphs. In order to construct the solid geologicalgeophysical models of the landslide zones of the sides, in addition to the geological sections data, the following results of geophysical sounding should be used: the boundaries of landslide zones in the plan, detailed contact geometry of loose Quaternary sediments with bedrock; soil properties modified by wetting
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Sowmya, S., P. S. Meenu, R. Asha Latha, and Devendra Narain Singh. "Laboratory Investigations on the Effects of Bacteria on Fine-Grained Soils." Advanced Engineering Forum 21 (March 2017): 352–57. http://dx.doi.org/10.4028/www.scientific.net/aef.21.352.

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Over the years, the field of geotechnical engineering focused on physical, chemical and mechanical aspects of the geomaterials. However, recent developments in environmental geotechnics have highlighted the impact of biological processes on geo-materials and their performance. Also, the present day geotechnical problems favour biological interventions to develop eco-friendly and sustainable technology. In view of this, the present study is a preliminary investigation on the impact of microbial loading on fine-grained soils. In addition, a protocol has been developed to establish ‘bio-geo interface’ between bacteria and the geo-material. However, long term studies are demanded in this direction for in-depth understanding of the mechanism for development of prospective application.
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Araújo, Bárbara Lemes Outeiro, Ednilton Tavares de Andrade, Jaqueline Damiany Portela, Rafael Peron Castro, and Pedro Castro Neto. "Chemical prospection of moringa oil and bromatological quality of the pie from different types of grain processing." Research, Society and Development 9, no. 11 (December 4, 2020): e82291110599. http://dx.doi.org/10.33448/rsd-v9i11.10599.

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Moringa oleifera Lam. is a drought-resistant plant and able to survive in poor soils, obtaining up to three harvests per year. The objective of this work was to study the chemical prospecting of the oil and the bromatological quality of the moringa cake amog different temperatures of drying (40, 55, and 70 ºC) as well as from the oil chemical and mechanical extraction methods. The extracted oils were qualitatively evaluated for acidity, peroxide and iodine levels, as well as the chemical composition of fatty acids by gas chromatography, of samples dried at different drying air temperatures. The pies from mechanical extractions were evaluated for water content, ether extract, crude protein, ash and fibers in neutral detergent. The drying air temperatures of 40, 55, and 70 ºC significantly affected the physical-chemical quality of the oil and the moringa cake, with the best result being the samples from the dry grains at 40 °C. The composition of the main fatty acids was not altered according to the statistical method applied, these being oleic fatty acid (73.60 to 77.07%), erucic (5.65 to 6.67%) and palmitoleic (4.90 to 5.72%). The chemical extraction of oil, although more efficient than the mechanical one, presented higher levels of acidity and peroxide. The content of fibers in neutral detergent and crude protein of the pie decreased significantly for dried grains with drying air temperature above 40 °C.
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Ilyas, R. A., S. M. Sapuan, Rushdan Ibrahim, Hairul Abral, M. R. Ishak, E. S. Zainudin, A. Atiqah, et al. "Thermal, Biodegradability and Water Barrier Properties of Bio-Nanocomposites Based on Plasticised Sugar Palm Starch and Nanofibrillated Celluloses from Sugar Palm Fibres." Journal of Biobased Materials and Bioenergy 14, no. 2 (April 1, 2020): 234–48. http://dx.doi.org/10.1166/jbmb.2020.1951.

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Sugar palm (Arenga pinnata) starch and fibre are considered as a waste product of the agroindustry. The purpose of the current study is to determine the thermal, water barrier, and soil degradation properties of biodegradable plasticised sugar palm starch (PSPS) that contains sugar palm nanofibrillated celluloses (SP-NFCs) derived from sugar palm fibre. The bio-nanocomposites were fabricated by using the solution-casting method with the nanocellulose contents in the range of 0.1 wt.%–1.0 wt.%. The thermal stability, water resistance and degradation behaviour improved with increase in SP-NFCs content, due to high compatibility and strong inter-molecular hydrogen bonds formed between PSPS and SP-NFCs. PSPS/SP-NFCs bio-nanocomposites with 1.0 wt.% SP-NFCs content displayed the highest mechanical and thermal stability. Residue that was left during the TGA analysis increased as the SP-NFCs content was increased. Soil burial tests showed biodegradability resistance of the bio-nanocomposites. The following conclusions can be drawn from the present reinforcement study of SP-NFCs enhanced biodegradability, water barrier as well as thermal properties of starch polymer which extended the prospective application of environmentally-friendly polymer material. Potential applications for this eco-material are short product life cycles (plastic packaging and food container).
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Books on the topic "Prospecting Soil mechanics"

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Kalinski, Michael E. Application of electromagnetic geophysics (EMG) technology to subsurface investigations. [Madison, WI]: Wisconsin Highway Research Program, 2005.

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Investigación no destructiva y cargas extremas en estructuras. Bogotá, Colombia: Universidad de los Andes, Facultad de Ingeniería, Departamento de Ingeniería Civil y Ambiental, 2004.

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Book chapters on the topic "Prospecting Soil mechanics"

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Patil, Anita, Ankit Kale, Gaurav Ajane, Rubina Sheikh, and Surendra Patil. "Plant Growth-Promoting Rhizobium: Mechanisms and Biotechnological Prospective." In Soil Biology, 105–34. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-64982-5_7.

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Prusty, Rabiranjan, and Trinath Biswal. "Prospective of Phytoremediation for Removal of Heavy Metals from Water and Soil: A Brief Review." In Lecture Notes in Mechanical Engineering, 359–70. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4795-3_34.

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Dalmatov, B. I., and R. B. Zeidler. "Engineering-geological prospecting." In Soil Mechanics, Footings and Foundations, 78–84. CRC Press, 2020. http://dx.doi.org/10.1201/9781003078982-5.

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Conference papers on the topic "Prospecting Soil mechanics"

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Liebenberg, G. R., and A. L. Visagie. "Remediation of Sites Contaminated With Depleted Uranium in South Africa." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4964.

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Like many other countries, South Africa embarked on a project involving the development of depleted uranium armour piercing ammunition during the 1980’s. Several weapon systems were tested on two proof ranges in the Northern Cape region of South Africa. These tests were conducted up to 1989 when a decision was taken to terminate the project. NECSA was contracted for the radiological clean up of these sites contaminated with depleted uranium (DU), which became a priority since 1997. The project, which was completed in 2002, was a first of its kind in South Africa and, even internationally, a unique operation. A phased approach was followed for the preparatory and clean-up activities. The first part of the presentation covers the development and planning phases of the project with particular reference to: • Introduction and typical radiological characteristics of depleted uranium weapons proof ranges. • Problem definition – extent of site contamination and site characteristics. • Development of the clean-up strategy for the sites. The second part of the presentation covers the various phases implemented for the clean up of the respective sites with specific reference to the on-site operations and methodology, radiation protection control measures, problems encountered and findings during various phases of the operation. The respective clean-up phases were the following: • Removal of surface contamination. This meant collection of objects from the surfaces of the strata identified in the radiological surveys performed on the respective sites. • Extended surface clean-up operation. This operation became eminent after a report, modelling trajectory paths, indicated that DU fragments could be expected outside the areas covered by the original site surveys. An area of ± 6 million m2 was covered by the extended clean up operation. • Contaminated metal clean-up operation. Metal target plates contaminated with entrapped uranium penetrators or layers of surface contamination had to be processed and removed from the sites. • Volume reduction by performing the following steps: * Collection of contaminated soil from the identified strata. A total of ± 35000-m3 soil was collected and stockpiled during this operation on the respective sites. * Mechanical screening of the collected soil to fractionate the DU penetrator remains into different size fractions. * Radiological screening of the soil containing the various size fractions to remove the uranium metal particles. • Radioactive waste management. The contaminated material and DU had to be removed from the sites and disposed of. Various routes were employed to execute this phase. • Materials and site clearance. Throughout each phase of the total clean-up operation radiation protection control measures were implemented based on prospective hazard assessments. The measures were further applied in such a way as to minimize exposures. At no stage did the actual exposures exceed the exposures estimated for each phase. The project was finally completed and cleared by the National Nuclear Regulator in July 2002.
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