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Factors Predisposing and Triggering the Phenomenon of Shrinkage-Swelling of Clay Soils in the Urban Center of Diamniadio 大连城市中心粘土缩胀现象的诱发与触发因素
地质材料(英文) Pub Date : 2023-01-01 DOI: 10.4236/gm.2023.132002
K. Faye, Fatou Samb, Pape Sanou Faye, Y. Berthaud
{"title":"Factors Predisposing and Triggering the Phenomenon of Shrinkage-Swelling of Clay Soils in the Urban Center of Diamniadio","authors":"K. Faye, Fatou Samb, Pape Sanou Faye, Y. Berthaud","doi":"10.4236/gm.2023.132002","DOIUrl":"https://doi.org/10.4236/gm.2023.132002","url":null,"abstract":"","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70614174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential for Use of Iron Mining Tailings Calcined in a Flash Furnace as Pozzolanic Material 闪速炉煅烧铁尾矿用作火山灰材料的潜力
地质材料(英文) Pub Date : 2023-01-01 DOI: 10.4236/gm.2023.133003
E. M. Gama, P. Brandão, Talita Caroline Miranda, Tamiris Seerig, Scott Ferson
{"title":"Potential for Use of Iron Mining Tailings Calcined in a Flash Furnace as Pozzolanic Material","authors":"E. M. Gama, P. Brandão, Talita Caroline Miranda, Tamiris Seerig, Scott Ferson","doi":"10.4236/gm.2023.133003","DOIUrl":"https://doi.org/10.4236/gm.2023.133003","url":null,"abstract":"","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70614187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrated Structure and Mineralization Study Using Aero-Magnetic, Aero-Spectrometric and Remote Sensing Data at Esh El-Mallaha Area, Eastern Desert, Egypt 埃及东部沙漠Esh El-Mallaha地区航空磁、航空光谱和遥感综合构造与成矿研究
地质材料(英文) Pub Date : 2023-01-01 DOI: 10.4236/gm.2023.131001
A. Elhusseiny
{"title":"Integrated Structure and Mineralization Study Using Aero-Magnetic, Aero-Spectrometric and Remote Sensing Data at Esh El-Mallaha Area, Eastern Desert, Egypt","authors":"A. Elhusseiny","doi":"10.4236/gm.2023.131001","DOIUrl":"https://doi.org/10.4236/gm.2023.131001","url":null,"abstract":"The main scope of this research is to detect geologic structure trends affecting the study area, determine uranium anomalous areas and define alteration zones. Airborne magnetic data were used to detect the geologic structure trends affecting the study area through applying edge detectors such as total horizontal derivative, analytic signal and tilt derivative. The radio-spectro-metry data and Landsat image data were used in determining the uranium anomalous areas and alteration zones. The integration between geology, magnetic and Landsat image was applied through constructing lineaments density map for the three data sets resulting in the leading of NW-SE trend all over the area. This integration makes clear that the basement (Red Sea hills), Esh El-mallaha range and G. Zeit are limiting two large basins (West Mallaha and Zeit). In addition, the main areas of uranium enrichment (Duwi formation at Esh El-Mallaha range) are found to be well related to alteration zones.","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70614524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental Analysis of Hydraulic Conductivity for Saturated Granular Soils 饱和颗粒土水力导电性试验分析
地质材料(英文) Pub Date : 2023-01-01 DOI: 10.4236/gm.2023.133006
Ahlinhan Marx Ferdinand, Djenou B. Dorothée, Adjovi Edmond Codjo
{"title":"Experimental Analysis of Hydraulic Conductivity for Saturated Granular Soils","authors":"Ahlinhan Marx Ferdinand, Djenou B. Dorothée, Adjovi Edmond Codjo","doi":"10.4236/gm.2023.133006","DOIUrl":"https://doi.org/10.4236/gm.2023.133006","url":null,"abstract":"","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70614194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development and Testing of a Method to Estimate the Mineral Composition of Ore from Chemical Assays with a View toward Geometallurgy: Application to an Iron Ore Concentrator 从地质冶金学角度出发，用化学分析方法估算矿石矿物成分的开发与试验:在某铁矿选矿厂的应用
地质材料(英文) Pub Date : 2022-01-01 DOI: 10.4236/gm.2022.124006
L. Boisvert, C. Bazin, Josiane Caron, F. Lavoie
{"title":"Development and Testing of a Method to Estimate the Mineral Composition of Ore from Chemical Assays with a View toward Geometallurgy: Application to an Iron Ore Concentrator","authors":"L. Boisvert, C. Bazin, Josiane Caron, F. Lavoie","doi":"10.4236/gm.2022.124006","DOIUrl":"https://doi.org/10.4236/gm.2022.124006","url":null,"abstract":"For complex orebodies in which the valuable metal is carried by several minerals that respond differently to the concentration process, an ore block model should not be characterized solely with elemental assays, as this information is not sufficient to anticipate the mill performances. Data from an iron ore concentrator is used to demonstrate the idea. A method is then proposed to estimate the mineral contents of ore samples from elemental assays. The method can readily be extended to combine the estimation of the mineral contents in the feed of the mill with an estimation of the recovery of these minerals into the products of the concentrator. These mineral recoveries can subsequently be incorporated into a block model to predict the concentrator response to the processing of an ore block.","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70613699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Bacterial Deterioration in the Limestone Minaret of Prince Muhammad and Suggested Treatment Methods, Akhmim, Egypt 穆罕默德王子的石灰石尖塔的细菌恶化和建议的处理方法，艾哈迈德，埃及
地质材料(英文) Pub Date : 2022-01-01 DOI: 10.4236/gm.2022.123004
E. Ahmed, R. Mohamed
{"title":"Bacterial Deterioration in the Limestone Minaret of Prince Muhammad and Suggested Treatment Methods, Akhmim, Egypt","authors":"E. Ahmed, R. Mohamed","doi":"10.4236/gm.2022.123004","DOIUrl":"https://doi.org/10.4236/gm.2022.123004","url":null,"abstract":"El-Amir Muhammad’s minaret in Akhmim, Sohag, Egypt, is constructed of limestone and has been exposed to many factors of damage as a result of the high levels of ground water. Limestone is strongly affected by ground water, especially when being impure. The current work discusses the results of ana-lytical techniques including chemical testing to determine the types of soluble salts through optical microscopy, electronic scanning electron microscope with an X-ray energy dispersion system (ESEM) to study and determine the causes of rapid degradation. Microbial weathering phenomena toward limestone were also studied. Different bacteria and fungi were isolated from outdoors and indoors of air and limestone of the building of which Bacillus cereus OK447647, B. subtilis OK447648, Serratia marcescens OK447650, Pseu-domonasoryzihabitans OK447649, Aspergillus flavus, A. niger, Penicillium chrysogenum and Cladosporium cladosporoids were the most representative. B. cereus OK447647 and B. subtilis OK447648 have shown ability for calcium carbonate dissolving. The minimal inhibitory concentrations (MICs) of sodium azide were investigated against the growth of microbial isolates. Sodium azide at 100 ppm was found to be the best treatment for bacterial isolates al-though it had no significant effect against fungi.","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70612734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Anisotropy of Magnetic Susceptibility (AMS) of Bostonite Rocks, Um-Gir and El-Atshan-II Uranium Prospect Areas, Central Eastern Desert, Egypt 埃及中东部沙漠Um-Gir和El-Atshan-II铀矿远景区Bostonite岩石磁化率的各向异性
地质材料(英文) Pub Date : 2022-01-01 DOI: 10.4236/gm.2022.121001
Hussein F. Abd El-Salam
{"title":"Anisotropy of Magnetic Susceptibility (AMS) of Bostonite Rocks, Um-Gir and El-Atshan-II Uranium Prospect Areas, Central Eastern Desert, Egypt","authors":"Hussein F. Abd El-Salam","doi":"10.4236/gm.2022.121001","DOIUrl":"https://doi.org/10.4236/gm.2022.121001","url":null,"abstract":"","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70610844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Use of the Cam-Clay Model in Finite Element Calculations after Identification of Soils from Simple Mechanical Tests Cam粘土模型在简单力学试验确定土壤后的有限元计算中的应用
地质材料(英文) Pub Date : 2021-07-30 DOI: 10.4236/gm.2021.113004
Cheikh H. T. C. Ndiaye, Y. Berthaud, Raphael Catusse
{"title":"Use of the Cam-Clay Model in Finite Element Calculations after Identification of Soils from Simple Mechanical Tests","authors":"Cheikh H. T. C. Ndiaye, Y. Berthaud, Raphael Catusse","doi":"10.4236/gm.2021.113004","DOIUrl":"https://doi.org/10.4236/gm.2021.113004","url":null,"abstract":"In order to make the use of complex elasto-plastic behavior models more accessible, we attempted to identify the Cam-Clay model in two samples of tropical and lateritic soils (from Senegal/West Africa) from casagrande box shear and oedometric tests. This methodology was used as a substitute for triaxial trials. In this article, we first verify the test results by the finite element method with the Optum software. We use a simulation of the tests with the modified Cam Clay model as the behavior model. Then, we simulate the oedometric test on tropical soils with the Castem software and also use the modified Cam Clay model. These calculations make it possible to write the criterion of plasticity of the material starting from the expression of the surface of load while passing by the calculation of the volumetric and deviatoric stresses.","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47302439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Calibration of Four Nonlinear Failure Envelopes from Triaxial Test Data and Influence of Nonlinearity on Geotechnical Computations 基于三轴试验数据的四种非线性破坏包络的校正及非线性对岩土计算的影响
地质材料(英文) Pub Date : 2021-04-01 DOI: 10.4236/GM.2021.112003
A. J. Anyaegbunam, F. Okafor
{"title":"Calibration of Four Nonlinear Failure Envelopes from Triaxial Test Data and Influence of Nonlinearity on Geotechnical Computations","authors":"A. J. Anyaegbunam, F. Okafor","doi":"10.4236/GM.2021.112003","DOIUrl":"https://doi.org/10.4236/GM.2021.112003","url":null,"abstract":"It is now recognized that many geomaterials have nonlinear failure envelopes. This non-linearity is most marked at lower stress levels, the failure envelope being of quasi-parabolic shape. It is not easy to calibrate these nonlinear failure envelopes from triaxial test data. Currently only the power-type failure envelope has been studied with an established formal procedure for its determination from triaxial test data. In this paper, a simplified procedure is evolved for the development of four different types of nonlinear envelopes. These are of invaluable assistance in the evaluation of true factors of safety in problems of slope stability and correct computation of lateral earth pressure and bearing capacity. The use of the Mohr-Coulomb failure envelopes leads to an overestimation of the factors of safety and other geotechnical quantities.","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46128560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multicomponent Ore Mineralization in Ultrabasites of the Ospa-Kitoy Massif of the East Sayan Ophiolite Belt: Formational Parageneses and Origin (Diamond, Nephrite, Noble Metals, Chromium, Nickel) 东萨延蛇绿岩带奥帕-基托伊地块超基岩多组分矿石成矿作用:形成副长岩及其成因(金刚石、软玉、贵金属、铬、镍)
地质材料(英文) Pub Date : 2021-01-01 DOI: 10.4236/gm.2021.114005
A. V. Tatarinov, L. I. Yalovik
{"title":"Multicomponent Ore Mineralization in Ultrabasites of the Ospa-Kitoy Massif of the East Sayan Ophiolite Belt: Formational Parageneses and Origin (Diamond, Nephrite, Noble Metals, Chromium, Nickel)","authors":"A. V. Tatarinov, L. I. Yalovik","doi":"10.4236/gm.2021.114005","DOIUrl":"https://doi.org/10.4236/gm.2021.114005","url":null,"abstract":"","PeriodicalId":67978,"journal":{"name":"地质材料(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70611057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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