KEY WORDS: Dolomite, Quarry dust, Compressive strength, Partial Replacement INTRODUCTION Concrete is a composite material that consists of binding medium, such as mixture of Portland cement and water, within which are embedded particles or fragments of aggregate, usually a combination of fine and coarse aggregate. Concrete is by far the …
DetailsThe dolomite quarry waste concrete mixtures reduced the compressive strength with the dolomite quarry waste's inclusion at all replacement levels of natural river sand due to the softer particle property of dolomite quarry waste than the siliceous river sand . Poor bonding between the cement paste and dolomite quarry waste particles …
DetailsThe purpose of this paper is to investigate the strength, physical and engineering index parameters of selected dolomitic rocks with emphasis on grain size. For this purpose, three groups of dolomite from north western Iran, with the same mineral composition but different grain size, were selected; fine grain, medium grain and coarse grain. Three sets …
DetailsCentral Alborz Zone (CAZ) is one of the most important zones in Iran, which comprises a wide variety of carbonate rocks such as limestone, dolomite, and their compounds. Therefore, determining engineering geological characteristics of carbonate rocks is essential for proper use in civil, mining, and geotechnical engineering. The …
Details792 A. Lakirouhani et al. Physical parameters, tensile and compressive strength of dolomite rock samples ... dolomites can be named dolomicrite, because of its fine grain size. This type of ...
DetailsThe uniaxial compressive strength (UCS) is a mechanical property of intact rocks that is important in civil and mining engineering works (Aladejare 2020; Aladejare et al. 2020; Wang and Aladejare 2016a).Design and stability analysis of underground excavations and other geotechnical structures require the input of data like UCS on the …
DetailsAs we can see, partial cement replacement with dolomite limestone powder results in compression strength increasing. Strength of samples containing 25% of dolomite …
DetailsThe uniaxial compressive strength (UCS) of Sandy Dolomite is an important metric in the application in civil engineering, geotechnical engineering, and underground engineering. Direct measurement of UCS is costly, time-consuming, and even infeasible in some cases. To address this problem, we establish an indirect measuring …
DetailsThe 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.
DetailsTo investigate the mechanical properties of fractured dolomite, this study analyzed the fracture characteristics (dip angle, length, position, quantity) using the Pearson …
DetailsAbstract—This research aims to study the usability of domato stone as coarse aggregate in mixure of permeable asphalt pavement. This study focuses to examine the compressive strength and the stress strain relationship of permeable asphalt containing domato stone and BNA (Buton Natural Asphalt) Blend. Domato stone is a limestone containing …
DetailsThe purpose of this paper is to investigate the strength, physical and engineering index parameters of selected dolomitic rocks with emphasis on grain size. For this purpose, …
DetailsThe uniaxial compressive strength (UCS) of Sandy Dolomite is an important metric in the application in civil engineering, geotechnical engineering, and underground engineering. …
DetailsThe strength Activity Index (SAI) test is conducted to compare the compressive strength of nominal and modified mixes at 7 and 28 days. The dolomite powder in its native state satisfied the Strength Activity Index (SAI) criteria at 7 and 28 days owing to its ultra-fine particle size.
DetailsThe fitting degree between the calculated value of uniaxial compressive strength and the experimental value reaches 98%, which is of excellent prediction accuracy and reliability. The model for dolomite chemical damage proposed herein provides a theoretical basis for dolomite dissolution damage; the theory of rock chemical damage …
DetailsFor this purpose, three groups of dolomite from north western Iran, with the same mineral composition but different grain size, were selected; fine grain, medium grain and coarse grain. ... load strength. According to the results; there are significant positive correlation between grain size and uniaxial compressive strength (r = 0.89), point ...
Details(a) Sample placed between two steel plates of compressive strength test machine; (b) position of three strain gauges around the sample to measure lateral strain; (c) display the connection of strain gauges to the data logger 794 A. Lakirouhani et al. Physical parameters, tensile and compressive strength of dolomite rock samples ...
DetailsIn this study, 31 empirical equations are summarized that relate unconfined compressive strength and internal friction angle of sedimentary rocks (sandstone, shale, and limestone and dolomite) to physical properties (such as velocity, modulus, and porosity).
DetailsThe dolomite samples were mineralogically similar but varied in crystal grain size from fine-grained, medium-grained, to coarse-grained types. The experimental tests included the point load strength index, uniaxial compressive strength, P wave, dry and saturation densities of samples.
DetailsFor this purpose, three groups of dolomite from north western Iran, with the same mineral. The purpose of this paper is to investigate the strength, physical and engineering index parameters of selected dolomitic rocks with emphasis on grain size. For this purpose, three groups of dolomite from north western Iran, with the same mineral
DetailsSandy dolomite is a kind of widely distributed rock. The uniaxial compressive strength (UCS) of sandy dolomite is an important metric in the application in civil engineering, geotechnical ...
DetailsEffect of calcite, dolomite, and magnesite content on the compressive strength of geopolymers based on (FA + carbonate mineral) blends mechanically activated for 180 s and cured for: (a) 7 d; (b ...
DetailsThe number of pores formed during the firing process of the porous ceramics was large. Although the proportion of the dolomite in the aggregate was reduced, its compressive strength did not increase significantly. The compressive strength of the porous ceramics prepared with corn flour decreased from 8.41 to 7.42 MPa.
DetailsThe rubbing method will be utilized to quantify the apparent natural fracture characteristics of the rock, and subsequent uniaxial compression tests will be performed to determine …
DetailsTherefore, the Unconfined Compressive Strength is calculated for the maximum load applied: ... Dolomite. 30-250. Table 2: Typical values of Uniaxial Compressive Strength for a various number of rocks (from Attewell & Farmer 1976). References. ASTM D7012-14e1, (2014). Standard Test Methods for Compressive Strength and Elastic Moduli of …
DetailsThe purpose of this paper is to investigate the com-pressive and tensile strength, physical and engineering in-dex parameters of selected dolomitic rocks with emphasis on grain …
DetailsDolomite presents higher compressive strength compared to limestone. ... Estimation of compressive strength of various stones based on non-destructive techniques. Article. Apr 2023;
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
GET QUOTE