Impact of acid wormhole on the mechanical properties of …
Recently, Mustafa et al. (2022) investigated the influence of acid wormholes on the mechanical characteristics of carbonate reservoirs, including chalk, limestone, and dolomite. The results ...
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Hydration resistance and mechano-physical properties
In this research work, the impact of ZrSiO4 nanoparticles addition on the physical, thermo-mechanical, mechanical, and microstructure of the dolomite base refractories is investigated.
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Crystallization behavior and mechanical properties of high …
Dolomite (CaMg(CO 3) 2) is a type of abundant natural mineral, which is over 4 billion tons in China [31]. ... After treated, mechanical properties of the samples increase sharply and reach the maximum value at 1000 °C. It is mainly attributed to the formation of leucite and special pore construction in the s.
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Influence of dolomite on mechanical, physical and erosive …
The study was intended to investigate the influence of dolomite content on the physical, mechanical and erosive wear properties of hybrid natural—synthetic fiber reinforced polymer composites. Therefore, epoxy composites, having fixed amount of Grewia optiva and glass fiber with varying proportion of dolomite particles (0, 5, 10 and …
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Strength prediction model of fractured dolomite and …
10 Abstract: In order to study the mechanical properties of fractured dolomite, this paper first uses the rubbing 11 method to count the surface fracture of the dolomite rock samples, obtains the ...
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[PDF] Mechanical properties of Blair dolomite | Semantic …
Mechanical properties of Blair dolomite. Pressure-volume, uniaxial stress loading to failure, uniaxial strain, and acoustic velocity determinations were made on Blair dolomite at confining pressures ranging to 3.5 GPa (Pa = Paschals where 10/sup 5/ Pa = 1 bar or 0.1 GPa = 1 kbar). The bulk modulus K, rapidly rises from an initial 10.4 GPa (at ...
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EFFECTS OF DOLOMITE FILLER AND COMPATIBILIZER ON THE MECHANICAL
However, it was found that the use of dolomite in its raw form could not improve the mechanical properties of the polymeric matrices. This is because dolomite particles easily agglomerate, while ...
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3. Dolomite as a Filler in a Polymer Composite
The results of adding dolomite as a co-filler in enhancing the physical and mechanical properties of the polymer composite are quite impressive, where it can improve certain polymer properties that may not be achievable if only a single filler is used, properties such as hardness, impact strength, thermal stability, and flame-retardancy.
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Hydration resistance and mechano-physical properties
In the present work, the hercynite's effect on the magnesia-dolomite properties (crystallographic, microstructural, physical, and mechanical) was studied. Refractory specimens were formed by uniaxial pressure, followed by a drying and fyring process, reaching a soaking temperature of 1600 °C.
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(PDF) 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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Structural and mechanical properties of dolomite rock …
This work is devoted to structural and mechanical properties of CaMg(CO3)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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Frontiers | Uniaxial Compression Damage Mechanical Properties …
The deterioration of the dolomite specimen gets more severe with longer high humidity action, which presents as the decrement of peak strength and elastic modulus, as well as the increment of the peak strain and Poisson's ratio. It is also the fundamental reason for the deterioration of mechanical properties and the change of …
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Uniaxial Compression Damage Mechanical Properties and …
The paper studies the uniaxial compression mechanical properties of pillars under the deep and high-humidity environment. We make the pillars cored from the −750 m mine room of Wengfu Phosphate ...
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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 …
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Potential of dolomite industrial waste as construction material…
Chemical properties. Dolomite CaMg (CO 3) 2, a rock-forming mineral, is primarily composed of calcium oxide, silica, magnesium oxide, and small amounts of aluminum oxide and iron oxide. The main elements in dolomite are calcium and magnesium [66,67,68]. Table 1 shows the comparative chemical properties of …
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Mechanical properties and microstructural analysis of slag …
The feasibility of calcined dolomite (CD) with reactive calcium oxide acted as a GBFS activator has been proven in construction material with excellent mechanical properties and durability in ...
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(PDF) MECHANICAL AND THERMAL PROPERTIES OF DOLOMITE …
The objective of this study is to investigate the effects of dolomite content on the mechanical properties of PC/ABS blend and to determine the optimum formulation for the PC/ABS/dolomite composites. Dolomite content in the PC/ABS/dolomite composites was varied ranging from 0 to 15 wt.%. The composite samples were then tested for …
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Strength and durability assessment of concrete containing dolomite …
This paper provides the effect of dolomite waste on various properties (fresh, mechanical, and durability) of concrete, analyzes the crucial findings of dolomite waste based on the partial ...
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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 …
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Impact of acid wormhole on the mechanical properties of …
The rock petrophysical (i.e., porosity, permeability) and mechanical properties were measured before and after the treatment. XRD was used to estimate the mineralogical compositions of each rock type. Then, the impulse hammer technique was implemented to measure the rock surface hardness at ambient pressure. ... Impact of acid wormhole on …
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Dolomite Powder in Concrete: A Review of Mechanical Properties …
Dolomite Powder on Mechanical Properties of M40 Grade . Concrete When Cement was Partially Replaced", IJITEE, ... The mechanical properties by applying compressive strength, splitting tensile ...
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Engineering and durability properties of slag–dolomite …
The addition of dolomite to a slag-based geopolymer matrix can improve its engineering properties and reduce disposal problems. This paper discusses the effect of alkali solution concentration ...
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ARMA-CUPB-19-9032- Effects of Hydrochloric Acid on the Mechanical …
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 acid ...
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Rock Mechanical Properties and Wellbore Stability of Fractured Dolomite
The results show that the dolomite fractures of the Leikoupo formation are relatively developed, the formation is dominated by low-angle fractures, and the core integrity is not high. ... and the physical parameters and mechanical properties of the rock were defined through physical and chemical tests and an understanding of the …
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Experimental study on the seepage characteristics of dolomite …
Grouting is an effective means to control water inrush in engineering practice. To better understand the degradation of seepage properties of fractured rock mass by grouting, steady-state seepage tests were carried out using the joint roughness coefficient (JRC) 2–4, 10–12, and 18–20 dolomite fracture specimens at 0.5, 1, 2, and 3 …
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Hydration resistance and mechano-physical properties …
It results in a denser hercynite-containing magnesia-dolomite refractory with excellent hydration resistance and mechanical properties superior to those of a magnesia-dolomite refractory (see Fig. 7, Fig. 8, Fig. 9). The most outstanding properties were observed in the composition of the magnesia-dolomite refractory with 8 wt% of active …
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The impact of ZrSiO 4 nanoparticles addition on the
Finally, in order to obtain the highest values of physical, mechanical and thermo-mechanical properties, the optimum content of each nanometer-sized tetravalent oxides was determined as ZrO2 = 2.5 ...
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(PDF) MECHANICAL AND THERMAL PROPERTIES OF DOLOMITE …
These improved mechanical properties are maintained even at high amounts of dolomite, compared to the data presented in the literature, where even the addition of 5% dolomite in PC/ABS reduces ...
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Mechanical and hydraulic properties of residual dolomite …
The properties of residual dolomite, sometimes termed wad, are variable and uncertain. It represents the insoluble residue after dissolution of dolomite and is commonly found in the Neoarchaean ...
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Recycling the waste dolomite powder with excellent …
Considering the effect of alkali concentration and molding pressure on mechanical properties, the sample preparation was carried out by the following steps, as shown in Fig. 2: firstly, the DP powder and alkali activator were mixed evenly in a specific proportion that the mass fraction of liquid sodium silicate to DP powder was 10 wt%, and …
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