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·Most of them are concentrated on dolomite sandification for surrounding rock chambers tunnels or slope support However there are few research on the impact of sandification dolomite formation on engineering issues such as the selection of the foundation of a proposed building and the bearing capacity parameters of the pile foundation
·Point load test PLT is an indirect method to calculate the uniaxial compressive strength of rocks Kong and Shang 2018; Wang et al 2022a Due to its advantages of easy detection and simple sample preparation PLT is widely applied in various fields Kahraman 2014; Kong and Shang 2018; Wang et al 2022a In particular PLT is employed in geotechnical and
·This paper presents the facies and depositional environment of the early Miocene Dam Formation Eastern Arabian platform Saudi Arabia Deposition of Dam Formation Fm was considered as a
·Dolomite can form as a major mineral component of marlstones and limestones and is an important sink for magnesium in the marine environment it has been revealed that under impact pressure of 25 45 GPa and temperature of 1073 1173 K self reduction of ferromagnesian carbonate Ca Fe 2 Mg CO 3 2 could occur to form diamonds and
·A pressurized circulating fluidized bed gasifier PCFBG considering pressurized air at a constant volume flow rate of Nm 3 /h obtained from a compressor is used for experiments All the dimensions and experimental setup descriptions are the same as Mahapatro and Mahanta [] The mixture of sawdust with coal in blending proportions of 5 25%
·1 1 Comparison of the environmental impacts of reactive magnesia and calcined 2 dolomite and their performance under different curing conditions 3 4 Shaoqin Ruan 1 and Cise Unluer 2 5 6 1 student School of Civil and Environmental Engineering Nanyang 7 Technological University 50 Nanyang Avenue Singapore 639798
Environmental Impacts of Dolomite Sand on the Dolomite is a naturally occurring mineral and has a low carcinogenic level to humans However this can be amplified in the food chain through other marine species Furthermore long exposure to this mineral can lead to respiratory problems which have been reportedly observed in dolomite miners5
·The temperature has a significant impact on acid stimulation efficiency in carbonate fully understand its effect this study utilizes a two scale continuum model coupled with heat transfer The study investigated the importance of the heat of reaction injected acid temperature and reservoir temperature on wormhole propagation and treatment efficiency
·Dolomite rock sand is finely powered crystalline silica which can replace conventional sand up to varying percentage [1] It is a by product in cement manufacturing process obtained from cement
Damage to structures and loss of life have been more severe on dolomite than on any other geological formation in southern Africa The subsidence that occurs on dolomitic terrain following development or during dewatering has given dolomite a notorious reputation and engineers and geologists became reluctant to recommend development on the has led to the
DOI / Corpus ID 226333476; Effect of limestone and dolomite flux on the quality of pellets using high LOI iron ore article{Prusti2020EffectOL title={Effect of limestone and dolomite flux on the quality of pellets using high LOI iron ore} author={Pallishree Prusti and Kashinath Barik and Nilima Dash and S K Biswal and B C Meikap}
DOI / Corpus ID 135124980; Modeling the hydrological impact of land use change in a dolomite dominated karst system article{Bittner2018ModelingTH title={Modeling the hydrological impact of land use change in a dolomite dominated karst system} author={Daniel Bittner and Tahoora Sheikhy Narany and Bernhard Kohl and Markus Disse
·In previous dissolution studies dolomite has been commonly assumed to have an ideal composition of CaMg CO 3 objectives of this work are to determine 1 if dolomites composing hydrocarbon reservoir rocks vary in chemical composition specifically Ca content and 2 the effect of Ca uptake on the dissolution rate of dolomite in HCl acid Dolomitic reservoir
Geotechnical Engineering Dolomite Stability Assessment these sites from a geotechnical perspective and to develop practical engineering solutions to mitigate the risk of the impact of dolines and sinkholes on developments voluntary compliance on the part of your Internet Service Provider or additional records from a third party
· Area of study The catchment area of River Bala is approximately km 2 which is extended between the latitudinal extension of 26°26ʹ54 N to 26°45ʹ15 N and longitudinal extension of 89° 32 52 E to 89° 35 59 E Figure 1 The investigation site is situated at the latitudinal and longitudinal extension of 26°41ʹ N; 89°34 E with an elevation of
With the PHREEQC software the solubility of calcite and dolomite in the NaCl KCl CaCl 2 and MgCl 2 solution under non air and atmospheric P CO 2 conditions is results indicate that the solubility of calcite in NaCl KCl and MgCl 2 solution and the solubility of dolomite in NaCl and KCl solution are much larger than those in pure primary reason for this
·To explore the mechanical mechanism of the dilatation failure of bedded dolomite caused by unidirectional loads the viscoelastic theory and Poisson phenomenon were considered under the action of active stress and passive stress The viscoelastic constitutive considering Poisson phenomenon model VECPM was then verified using the viscoelastic
·Sodium oleate as a fatty acid has been widely used in many industries Horta et al 2016 Young and Miller 2000 Both valuable apatite and gangue mineral calcite/dolomite are prone to interacting with fatty acid collectors because of the similar calcium active sites existing on the cleavage planes resulting in the low selectivity of collector and close floatability
·signicance order of the impact of fracture characteristics on rock strength was determined using the numerical simulation software PFC3D and the dip angle eect was explained from the perspective
·Based on the physical and chemical properties of phosphate ores froth flotation is regarded as the most efficient technology for upgrading phosphate ores Yang et al 2021 This process is used for approximately 60 % of all phosphate ores worldwide El bahi et al 2023 In low grade phosphate ores apatite the valuable mineral often coexists with gangue minerals
·In previous dissolution studies dolomite has been commonly assumed to have an ideal composition of CaMg CO 3 objectives of this work are to determine 1 if dolomites composing hydrocarbon reservoir rocks vary in chemical composition specifically Ca content and 2 the effect of Ca uptake on the dissolution rate of dolomite in HCl acid
·Sulfuric acid H2SO4 is a specific depressor for apatite rather than for dolomite The H2SO4treated dolomite can still be floated effectively by oleate However the role of H2SO4 in the adsorption of oleate onto dolomite surface remains unclear In this work density functional theory calculations were conducted to probe the interactions among sulfate anion
·DOI / Corpus ID 268156079; Synergistic effects of metakaolin and dolomite on alkali activated slag exposed to chloride and sulfate solutions article{Fu2024SynergisticEO title={Synergistic effects of metakaolin and dolomite on alkali activated slag exposed to chloride and sulfate solutions} author={Chuanqing Fu and
·The aim of this paper is to demonstrate the controlling effect of the mineral composition the diagenetic history and the petrophysical properties on the geomechanical properties and durability of the dolomitic El Halal Formation in its type section in North Sinai as well as its economic potential for construction purposes The petrographic studies include
