· Experimental studies have been carried out with the use of basalt fibers (BF) in geopolymer concrete in various proportions such as 2.5%, 5%, 7.5%, 10%, 12.5%, and 15%. Basalt fiber-reinforced geopolymer concrete (BFGC) specimens have been casted to study the effect of fracture toughness, fracture energy, and crack propagation
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· [16] The basalt elastic moduli and wa ve speeds are measured in an apparatus that combines measurements at seismic (2 – 300 Hz) and ultrasonic (10 6 Hz) frequencies. The setup for the basalt
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· The strength performance of basalt fibers improves, compared to glass fibers, with increasing temperature. The elastic modulus of basalt fibers is comparable to that of glass fibers, higher compared to E-type but lower compared to
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· have a TS range of 2800 MPa to 5000 MPa and an elastic modulus range of 90 to 12 GPa. In addition, BFs have an elasticity modulus that is noticeably greater than synthetic fibers but not quite as high as steel. Depending on the source and use, TS and elastic
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· ratio of average values of the modulus of elasticity and modulus of deformation of the basalt adjacent to the fault zone varies from 1.87 to 2.4. This indicates the weathered and/or jointed nature of
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Dhananjai Verma1, Ashutosh Kainthola1*, T. N. Singh1, Rahul Thareja2. 1Department of Earth Sciences, Indian Institute of Technology Bombay, Mumbai, India-400076 2Department of Mining Engineering, Institute of Technology-Banaras Hindu University, Varanasi, India-221005. *Corresponding authors e-mail: [email protected].
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:Publish Year:2013Cited By:4718 January 2013Volume:118, Issue3 · Modulus of elasticity is in range of 41,860–44,415 MPa for BFRC, and 41,237–42,831 MPa for GFRC. Taking the modulus of elasticity of plain concrete (44,305
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· Modulus of elasticity is in range of 41,860–44,415 MPa for BFRC, and 41,237–42,831 MPa for GFRC. Taking the modulus of elasticity of plain concrete (44,305 MPa) as reference, it can be observed that maximum reduction in modulus of elasticity occurred as 7% for GF0.25 mix.
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· and elastic modulus and Poisson-ratio measured on two. In Figure 1 the measured elastic modulus is shown for various concrete samples is shown, basalt. aggregates as diamonds, quartzite as stars
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:Properties of Basalt FiberChen Et Al. 2013Materials (Basel). 2023 Jan; 16(2): 623. · The results of the tests revealed that adding basalt fibers reduced the modulus for all fiber lengths. Furthermore, an increase in the fibers length, led to a
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· The average compressive strength σ c and elastic modulus E of basalt after different high temperature treatments are summarized in Fig. 7. To analyze the influence of temperature on strength and deformation characteristics, the parameter deterioration coefficient \({D}_{p}\) is defined as Formula ( 1 ) with reference to the index
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:Properties of Basalt FiberBasalt Fiber CompositeCarbon Fibers · CSWs can enhance the dynamic modulus of elasticity of concrete, while the effect of BFs on the dynamic modulus of elasticity is not significant. The
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· Due to its high tensile strength and elastic modulus, basalt fiber plays an important role in bridging cracks and can be used for load-bearing components in building construction [35]. Basalt fiber can improve the corrosion resistance and freeze-thaw resistance of concrete, making it suitable for road construction in cold, saline-alkali soil
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· Request PDF | Modulus of elasticity of concretes produced with basaltic aggregate | Basalt is a type of volcanic rocks, grey to black in colour, contains less than 20% quartz, 10%
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· PDF Basalt 145 50 347 25 207 82 395 3 (17) Diabase, dolerite 229 88 384 13 152 81 537 5 15.2 Hyperite---- 245 108 441 2 ure Graywacke 81 25 310 12---- Sandstone 109 28 257 95 147 28 189 5 18.8 Siltstone 89 31 350ne-s
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· Modeling with Gassmann's equations predicts the measured saturated rock bulk modulus for all fluids for frequencies below 20 Hz but underpredicts the water-saturated basalt bulk modulus for
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· The use of basalt fibres is intuitively expected to improve concrete abrasion resistance due to the tensile strength and modulus of elasticity of basalt fibre being considerably greater that of the reference
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· Modulus of elasticity of concretes produced with basaltic aggregate. Basalt is a type of volcanic rocks, grey to black in colour, contains less than 20% quartz, 10% feldspathoid, and at least 65% of the feldspar of its volume. Basalt is considered an igneous rock with fine grains due to the rapid cooling of lava.
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· As per the manufacturer data sheet, the modulus of elasticity of the dry basalt fibre is 95 GPa. Therefore, based on the rule of mixture the modulus of the GP-BFRP rebar should be 41 GPa. As shown in Table 3 , an average modulus of 38.33 GPa was achieved from the GP-BFRP rebars.
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· A Comparison Among Some Non-linear Prediction Tools on Indirect Determination of Uniaxial Compressive Strength and Modulus of Elasticity of Basalt December 2021 Journal of Nondestructive
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:Properties of Basalt FiberPublish Year:2015 · This paper presents a study of the influence of basalt rocks’ phase composition, acidity modulus, and structural parameter NBO/T on the tensile strength
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· This shows that the optimal dosage of basalt fiber is 2% with the addition of metakaolin, ranging from 1% to 3% for the compression strength, modulus of elasticity, and split tensile strength.
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· To study the effects of basalt fibers (BFs), calcium sulfate whiskers (CSWs), and modified calcium sulfate whiskers (MCSWs) on the compressive strength and dynamic modulus of elasticity of concrete, this paper utilizes Mercury Intrusion Porosimetry (MIP) to measure the microstructure of concrete and calculate the fractal dimension of pore
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· Increasing the fiber content in FRRAC typically results in an increase in its elastic modulus, given that high-modulus fibers including steel and basalt fibers are employed 55,61.
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· In addition, the density of basalt is about 1.3 to 2.75 g/cm 3, the tensile strength is between 2600 to 4840 MPa, and the range of the elastic modulus is 80–115 GPa []. Although basalt fiber can be relatively more expensive than some other fibers, it is cheaper than carbon fiber and S-glass fiber.
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The difference in the unconfined compressive strength between. the slow and the rapid rates of loading for the rocks tested varied. considerably. The dynamic compressive strength factor f^ for the. granite was less than 1; for the basalt, 1.35;
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· Adding basalt fiber up to 0.4% to the volume of the matrix improves the compressive, split tensile, flexural strength and dynamic modulus of elasticity compared to the controlled cementitious matrix.
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· Basalt micro-fibre in doses of up to 3 kg/m 3 does not have a significant effect on the compressive and tensile splitting strengths, as well as modulus of elasticity of concrete. This suggests that basalt micro-fibre effects on concrete mechanical properties is consistent with that on abrasion resistance.
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· Basalt fibres in concrete have a higher tensile strength, Modulus of elasticity and increase in concrete stiffness [19, 25]. However, the basalt fibre has been utilized in the many applications like excellent thermal insulation properties, sports products, heat resistance, automotive parts and chemical resistance as compared to other types of
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· This new technique allow us to investigate the effect of frequency dependence on the elastic properties (bulk modulus) of a basalt rock. Measurements have been performed in the pressure range of 0–200 MPa, both for low frequency (0.01–0.1 Hz) and high frequency (1 MHz).
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