Sim and Park [13] observed that the strength of the basalt fiber was about 30% and 60% of the strength of the carbon and high strength glass (S-glass) fiber, respectively. The density of basalt fiber has been reported between 2.59 and 2.8 g/cm 3 ... After reaching their compressive strength at peak point, these specimens showed a …
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Corpus ID: 55787158; Numerical Study for Compressive Strength of Basalt Composite Sandwich Infill Panel @article{Sim2017NumericalSF, title={Numerical Study for Compressive Strength of Basalt Composite Sandwich Infill Panel}, author={Viriyavudh Sim and Jung-Kyu Choi and YongJu Kwak and Oh Hyeon Jeon and Wooyoung Jung}, …
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To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using …
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Advances in Materials Science and Engineering T : Physical-mechanical behaviors of basalt ber. Density/(g/cm 3) Elastic modulus/GPa Elongation at break/% Tensile strength/MPa Length/mm Filament diameter/ m T : Physical behaviors of clay soil.
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The results showed that: (1) the shear strength and compressive strength of the soil were significantly increased after the incorporation of basalt fiber; (2) the strength increase was greatest at ...
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Impact strength properties of basalt FRC are shown in Fig. ... Compressive strength percentage increment comparisons for RC sample wrapped with 1, 2 and 3 layers of BFRP sheets with bare samples are 29.8%, 52.11% and 62.416%, respectively. The test results proposed that the stiffness of BFRP-wrapped samples …
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Applied Sciences | Free Full-Text | Experimental Study of the Compressive Strengths of Basalt Fiber-Reinforced Concrete after Various High-Temperature Treatments and Cooling in Open Air and …
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The compressive strength of fly ash-based geopolymer matrix without basalt fibers added samples aged 28 days was 35 MPa which significantly increased 37% when the 10 wt%. basalt fibers were added. However, the addition of basalt fibers from 15 to 30 wt% has not shown a major improvement in compressive strength.
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The basalt-carbon/epoxy hybrid composite C2 with angle ply layup of [02C/+45B/0B] S was found to be the optimum lay-up with highest compressive strength among all the other laminates. Discover the ...
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The enhancing effect of the basalt fiber on the compressive strength of concrete is lower than that of tensile strength and flexural strength. Moreover, the …
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Therefore, the accurate and rapid prediction of the compressive strength of basalt fiber concrete (BFRC) has essential application value in practical engineering applications. To give full play to the tensile mechanical properties of basalt fiber, the literature [5], [6] applied the material to concrete and carried out a lot of research work on ...
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Compressive Strength. The unconfined compressive strength (UCS) is an important parameter for shear failure prediction and a safe mud weight window is very sensitive to this parameter. ... Print path D and test direction II result in compressive strength values ranging from 30 to 40 MPa, whereas only basalt fibers show slightly higher strength ...
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The results illustrate that no-fiber columns sustain more than 50 % of the failure load before cracking, while this percentage raised to 75 % upon adding basalt fiber to concrete. 0.3 % of basalt ...
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The rock hardness of basalt is 6 on the Mohs scale, and can be seen through a combination of its compressive strength: 100-300 Mpa (Megapascal), its tensile strength: 10-30 Mpa, and its shear strength: …
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Compressive strength testing was conducted for 3, 7, and 28 days. ... Going through a sample of the results in Fig. 4, the compressive strength of basalt fiber mixes showed some irregularities. Basalt fibers with 0.5% content gave comparable results to that of 0% basalt content, while all basalt ratios in M3 and M4 outperformed the …
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This work examines the compressive strength of natural stones, as estimated by Uniaxial compressive strength tests (UCS) and respective non-destructive tests results (Schmidt Hammer Rebound test, SHR, or an Ultrasonic Pulse Velocity transmission, UPV). In practice, aiming to correlate the values of the UCS test with the …
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In order to study the mechanism and effect of basalt fiber reinforced clay soil, a series of unconfined compressive strength tests conducted on clay soil reinforced with basalt fiber have been performed under the condition of optimum water content and maximum dry density. Both the content and length of basalt fiber are considered in this paper. When …
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The strength properties of basalt fiber-reinforced biocemented (BFRB) sand specimens with various calcite contents and fiber contents are investigated through a series of unconfined compressive ...
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First, the compressive strength tests of BFRC under different stress states were performed at fiber volume fractions of 0.2%, 0.4%, 0.6% and fiber lengths of 6 mm, 12 mm and 18 mm to obtain stress ...
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Numerical Study for Compressive Strength of Basalt Composite Sandwich Infill Panel. Abstract—In this study, we investigated the buckling performance of basalt fiber reinforced polymer (BFRP) sandwich infill panels. Fiber Reinforced Polymer (FRP) is a major evolution for energy dissipation when used as infill material of frame structure, a ...
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Basalt was used as an ornamental stone in many historic and ancient cities in Jordan. Measuring the uniaxial compressive strength (UCS) and the tangent Young's modulus (E t) in the laboratory ...
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The average compressive strength of the control specimens and basalt fibre-reinforced concrete is shown in Fig. 8. An increase in compressive strength of BFRC1 was in the order of 20.85% and 26.80% as compared to control concrete at 7 days and 28 days, respectively.
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After exposed to 800 °C, compressive strength of P1.8B1.2 reaches 17.21 MPa and increases by 37.24% compared to P1.8. When temperatures are higher than …
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The enhancing effect of the basalt fiber on the compressive strength of concrete is lower than that of tensile strength and flexural strength. Moreover, the improvement effect was the highest with the basalt fiber content was 0.3% and 0.4%. Keywords: basalt fiber, concrete, mechanical properties, fiber content, toughness, crack …
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ABSTRACT. ABSTRACT: Understanding and predicting the intact strength of rock is very important in design of foundations, tunnels, and in other engineering projects. The presence of vesicles within basalt has a direct impact on the unconfined compressive strength (UCS) of the intact rock. Over 130 basalt samples from foundation projects for …
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The uniaxial compressive strength of a rock under static loading often decreases with an increasing temperature at which the rock has been heat-treated before strength testing. This conclusion is drawn from a great number of experiments [1,2,4,8,9,11,17–19].The higher the temperature is, the lower the strength. Some results for uniaxial …
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Lately, basalt fibre has attracted attention as a possible construction material due to its properties such as high modulus of elasticity, high elastic strength, corrosion …
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Basalt composite showed a 35–42% higher Young's modulus as well as a better compressive strength and flexural behaviour, whereas a higher tensile strength was found in the glass material. Experimental work was carried out on basalt bars and laminates and compared to glass [ 46 ].
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3.1 Compressive Strength of the GP-BFRP Rebars. At first, the compressive strength of various geopolymer mix design, as tabulated in Table 1, were analysed.Figure 3(a) shows the compressive strength of the 5 geopolymer binder mixes. The compressive strength of the geopolymer hybrid matrix relies on the formulation of …
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Basalt fiber is a promising reinforcement agent for loess engineering. In this study, unconfined compressive tests facilitated with the digital image correlation (3D-DIC) method were carried out on basalt fiber–reinforced loess to obtain the deformation images and surface strain fields at different loading moments. The reinforcement mechanism of …
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form. Results of the unconfined compressive strength tests on basalt y indicated, that as the loading rate was increased from 1 to 1.60 x 10 psi/sec, ultimate strength, total axial …
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ABSTRACT:. The presence of vesicles within basalt has a negative impact on both the unconfined compressive strength (UCS) and deformation modulus (axial stiffness) of basalt specimens. Vesicular basalt specimens (diameters of 44.45 mm) were cored from surface boulders obtained from southern Nevada. Each basalt boulder has …
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Experimental research also shows that with a proper proportion of basalt fiber, the deterioration of splitting tensile strength of concrete soaking in 5% sulfate solution was constrained[18], [19]. Moreover, basalt fiber effectively inhibited the strength degradation of the aqueduct during the dry-wet cycle experiments[20].
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In particular, the Uniaxial Compressive Strength is re-calculated as: σ c = σ UCS / (0.88 + 0.222*(D/L) ) Where σ c is the corrected uniaxial compressive strength. Rock characterization and typical range of UCS based on rock types . Based on their Uniaxial Compressive Strength, rocks can be characterized from very weak to very strong as ...
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By studying the impact of the length and volume fraction of basalt fiber on the compressive and flexural strength test under three different lengths and three different dosages, Iyer et al. have further claimed that the optimal length, diameter, and volume fraction under compression and moment of resistance are 36 mm, 16 μm, and 18 kg/m 3 ...
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To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using gene expression programming (GEP ...
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Abstract. The ability of concrete to give a lower weight and retain good properties for strength is very important concrete structures. Lightweight concrete is known for its brittleness hence the ...
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In this study, the compressive and splitting tensile strength was studied after introducing chopped basalt fibers. In this research, 12 mm long and 13 μm in diameter basalt fibers were used as well as the cubes and cylinders have casted with basalt fiber reinforced concrete for 0.5 %, 1.0% and 1.5% of basalt fibers by the weight of cement ...
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between strain hardening and softening is called the unconfined compressive strength of the rock and is denoted as Co or qu. Failure takes place continuously from C to D during which ... Granite Basalt Gneiss Schist Quart-zite Marble Lime-stone Sand-stone Shale Av. Co Max. Co Min. Co Range No. of samples 181.7 324.0 48.8 275.2 26 214.1 358.6 ...
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