Structural and mechanical properties of dolomite rock …
Request PDF | Structural and mechanical properties of dolomite rock under high pressure conditions: A first‐principles study | The structural behaviour of carbonate minerals under lower mantle ...
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Mechanical Properties of Concrete by Partial Replacement …
2.3 Coarse Aggregates. Coarse aggregate refers to chemically inert materials that [], when combined with cement paste form concrete [].Aggregates have a significant impact on the strength of concrete [].In experiments, 20 mm-sized aggregates are utilized [].The quality of concrete is directly linked to the properties of its components; hence, the aggregates integrated …
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Rock Mechanical Properties and Wellbore Stability …
The dolomite matrix samples of the Leikoupo formation exhibit a high mechanical strength and obvious brittleness. The rock mass failure is characterized by brittleness, mainly by tensile fracture and single shear failure.
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Impact of acid wormhole on the mechanical properties of …
The study revealed that the rock elastic moduli could be reduced by 60% and the compressive strength by 80%. Gou et al. (2019) experimentally examined the impact of acid on the deterioration of dolomite rock mechanical properties. They evaluated both dynamic and static mechanical properties of treated and untreated sister samples.
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PHYSICAL AND MECHANICAL PROPERTIES OF DOLOMITES RELATED …
According to the physical and mechanical properties, the best variety to use as a crushed stone or as an aggregate proved to be the late-diagenetic dolomite from the Dolje Quarry.
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Characterization and Evaluation of Mechanical Properties of Dolomite …
This research work is to characterize dolomite found in southern Nigeria and evaluates the mechanical properties of Dolomite as filler in Polyester. The use of Dolomite as one of the major fillers in Polyester was harnessed. Polyester resin was used as the matrix while the dolomite sample serves as filler. The filler was used at different percentage compositions of …
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Strength prediction model of fractured dolomite and …
To investigate the mechanical properties of fractured dolomite, this study analyzed the fracture characteristics (dip angle, length, position, quantity) using the Pearson coefficient and MIC coefficient. Subsequently, the data pertaining to fracture characteristics is preprocessed using a third-degree polynomial, and a three-classification ...
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Structural and mechanical properties of dolomite rock …
This work is devoted to structural and mechanical properties of CaMg(CO 3) 2 –dolomite mineral. From Birch–Murnaghan equation of state (BM-EoS) applied to the energy–volume data of the dolomite polymorph, we obtain a bulk modulus of 93.7 GPa with a pressure derivative of 4.7, which show suitable agreement with experimental data.
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A Preliminary Investigation on Processing, Mechanical and …
Therefore, dolomite in the biocomposite systems could act as a secondary filler, which enhanced their stiffness characteristic. The abrasive nature of the dolomite could have provided the mechanical interlocking which hindered the sliding of the KCF in the LDPE matrix, this affected the mechanical properties of the LDPE/KCF biocomposites.
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MECHANICAL AND THERMAL PROPERTIES OF …
Currently, there seems not to exist any study in the published literature on mechanical, and thermal properties of dolomite filled PC/ABS composite. This study therefore, investigates the effect of dolomite filler on the mechanical and thermal properties of PC/ABS blend. 2.0 METHODOLOGY 2.1 Materials
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Dolomite (Rock)
Dolomite is a sedimentary rock that forms from the alteration of limestone by magnesium-rich groundwater. It is often found in sedimentary rock layers and can be recognized by its white to grayish color and its tendency to effervesce when …
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Uniaxial Compression Damage Mechanical …
The microcracks and micropores are small in size and dispersed, while few large-sized pores exist. The particles in this microstructure are homogeneous and compact, with fine and sparse pores. They reflect good …
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Strength prediction model of fractured dolomite and …
In order to study the mechanical properties of fractured dolomite, this paper first uses the rubbing method to count the surface fracture of the dolomite rock samples, obtains the main parameters ...
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Room temperature mechanical properties of high alumina …
The PKDOL castables made with additions of dolomite possess the lowest mechanical properties of all the designed compositions. Above 1200 °C, sintering reactions take place with the presence of a transitory liquid phase (1321 °C in the Al 2 …
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Influence of dolomite on the properties and microstructure of alkali
Dolomite is an anhydrous carbonate mineral in nature composed of calcium magnesium carbonate (i.e., CaMg(CO 3) 2).In regards to its application in concrete materials, dolomite has been used as a source for manufacturing magnesium oxide which is a well acknowledged and already commercialized shrinkage-compensating additive [18, 19].Non …
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Effect of Replacement of Cement with Dolomite Powder on the Mechanical
IJISET - International Journal of Innovative Science, Engineering & Technology, Vol. 2 Issue 4, April 2015. ISSN 2348 – 7968 Effect of Replacement of Cement with Dolomite Powder on the Mechanical Properties of Concrete Preethi G1, Prince Arulraj G2 1 ME-Student, Dept of Civil Engineering, S.N.S College of Technology, Coimbatore ...
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Crystallization behavior and mechanical properties of high …
Hence, dolomite can be used as filler in adjusting pore-structure [33]. Moreover, the calcined dolomite is an effective adsorbent for the removal of Cu 2+, Pb 2+ [34], Sr 2+ and Ba 2+ [35], which shows great potential for wastewater treatment. In addition, Azimi et al. [36] synthesized dolomite-containing geopolymer with improved mechanical ...
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Physical parameters, tensile and compressive …
Ali LAKIROUHANI et al. [14] investigated the microstructural characteristics and physico-mechanical properties of dolomite at different grain size scales, and demonstrated that there is a...
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Effects of Hydrochloric Acid on the Mechanical and Elastic Properties
ABSTRACT: . The acid-rock reaction on fracture wall has effect on the mechanical properties of rock, which would further affect the acid-fracture propagation and strength of the pillars. The effects of hydrochloric acid on the elastic and mechanical properties of tight dolomite have been assessed under triaxial stress in the laboratory. Tight dolomite were divided into …
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(PDF) Study on Mechanical Properties of Light Weight …
Keywords: Vermiculite Concrete, Light Weight Concrete, GGBS, Dolomite, Mechanical Properties I. INTRODUCTION The construction unit is one among the greatest end user of unprocessed materials contemporary. To bear further demand it is necessary for a drastically reduce the consumption of materials in turn now lightweight concrete (LWC) is used ...
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Enhancing hydration resistance and mechanical properties of dolomite
The study aims to enhance the hydration resistance of dolomite refractory by investigating the influence of ZnO nanoparticles on their physical and mechanical properties. Four samples with varying Zn...
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Effects of dosage and reactivity of modified dolomite dust …
While previous research has explored the use of raw and thermally activated dolomite powder in cementitious materials, there is a lack of comprehensive research on the alterations in physiochemical properties of dolomite powder with different activity levels and their impact on mortar properties (Yılmaz and Olgun, 2008; Zhang et al., 2014 ...
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Characterization and Evaluation of Mechanical Properties of Dolomite …
The chemical composition of dolomite and the compressive strength of dolomite geopolymer composites were studied. The both composites prepared with mechanical mixer manufactured by with rotor speed of 350 rpm and curing in the oven for 24 hours at 80˚C.
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Dolomite Powder in Concrete: A Review of Mechanical Properties …
In addition, dolomite is utilized as a flux in the production of ferro-alloys, iron, and steel. Based on the study, it is 4. Properties of Dolomite Powder Added in Concrete Among the properties, the effect of dolomite powder on the physical properties in the mechanical properties and microstructural characterization are discussed in detail. 4.1.
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Impact of acid wormhole on the mechanical properties of …
Here, we conducted experimental and numerical studies to reveal the impact of an acid-induced wormhole on the rock's mechanical properties. The study compares the acid …
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Physical and Mechanical Characterization of Himalayan Dolomite …
In the present work, dynamic stress-strain response of Himalayan dolomite is tested under high loading rates using 38 mm split Hopkinson pressure bar (SHPB) device. The physical and static mechanical properties of dolomite e.g. density, specific gravity, static...
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Effects of freeze-thawing cycles on the physical and mechanical …
Basalts from Çorlu Karatepe and dolomite from Kırklareli subjected to freeze-thawing (F-T) cycles were studied, and the resulting changes were analyzed. The unweathered rocks and those subjected to 50 F-T cycles after every 10 cycles were tested for the water absorption by weight and volume, P-wave velocity, uniaxial compression strength, point load …
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Preparation and Mechanical Properties of Dolomite Dust …
The dolomite dust-emulsified asphalt composite with excellent mechanical properties was successfully prepared using alkali activation. The effects of different alkali concentrations and emulsified ...
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Physical and Mechanical Characterization of Himalayan …
The physical and static mechanical properties of dolomite e.g. density, specific gravity, static compressive strength and elastic modulus values are also determined. …
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Rock physical characteristics of deep dolomite under …
As the "weak planes" of mechanical properties, the seismic response of the crystal boundary is stronger than that of rigid dolomite crystals, which leads to the decisive effect of the mechanical properties of the crystal boundary on the macroscopic elastic properties of …
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