Tumadhir and Borhan carried out the compressive strength of concrete inclusion with different dosages of basalt fibre from 0.1 to 0.5%. By an increment in the dosages of basalt fibre, the compressive strength of concrete boomed to 0.3%, beyond this, it was regularly reduced by 12.0% due to the cohesion between the aggregates and …Web
ادامه مطلبThe enhancing effect of the basalt fiber on the compressive strength of concrete is lower than that of tensile strength and flexural strength. Moreover, the …Web
ادامه مطلبAnd the compressive strength of basalt FRC cubes with volume fraction of 0.1, 0.2, 0.3 and 0.4% were 44.1, 44.5, 45.1 and 45.6 MPa, respectively. In addition, the mechanical properties of steel bars were obtained by testing three specimens for each type and are presented in Table 2, where f su is the ultimate tensile strength of steel bars.Web
ادامه مطلبPaver blocks were evaluated for their compressive strength, water absorption, and at different temperatures. Including 0.5% percent basalt fiber of length 4 mm gives us the best result by enhancing compressive strength by 20.5% and decreasing water absorption by 50.5%. ... Fig. 7, Fig. 8 show the effect of basalt fiber on …Web
ادامه مطلبIn Fig. 4b, the compressive strength decreased with the increase in basalt fiber content; it was maximum at a fiber content of 1%, which was 17.83% lower than GP. A 3% and 5% fiber content decreased the compressive strength by 23.33% and 38.43%, respectively, which might be attributed to the basalt fiber reducing the workability and …Web
ادامه مطلبThe 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 …Web
ادامه مطلبTo determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using …Web
ادامه مطلبThe compressive and flexural strength of the concrete was derived experimentally while the modulus of elasticity was determined numerically. At the end of the analysis, it was confirmed that MiniBars basalt fiber improved the strength and modulus of elasticity of the HPC even at different curing periods.Web
ادامه مطلبThe Basalt fibers of different proportions 0%, 0.1%, 0.3% and 0.5% in volume of concrete added to M40-grade concrete (BFRC)and tested for compressive strength, tensile strength and bending strengths.Web
ادامه مطلبBasalt was used as an ornamental stone in any historic and ancient cities in Jordan. Measuring the uniaxial compressive strength (UCS) and the tangent Young's modulus (Et) in the laboratory requires premium quality specimens with special core dimensions. This research focuses on correlations both UCS and Et with Leeb Rebound …Web
ادامه مطلبThe results illustrate that basalt fiber can enhance the shear strength of silty clay by increasing its cohesion. We find that the shear strength of reinforced silty clay reaches its maximum when the fiber content is approximately 0.2% and the moisture content is 18.5% (optimum moisture content). Similarly, we also find that the dynamic modulus ...Web
ادامه مطلبThe effects of basalt fiber incorporation on the mechanical properties of red clay soils were investigated. Through the direct shear test, unconfined compressive strength test, and microstructure test, the shear strength curves and stress–strain curves of basalt fiber-modified red clay soils were obtained under different basalt fiber …Web
ادامه مطلبOverall, basalt fibres have a positive effect on the development and enhancement of the 3-day compressive strength of graphite tailings cement mortar. As the curing age increases (7-days and 14-days curing age), the enhancement effect of basalt fibres on the compressive strength of BFR-GTCM with 0% to 30% GT replacement rate …Web
ادامه مطلبBasalt fibers and a combination of basalt + polypropylene fibers (hybrid) were used to enhance the fracture properties of the mixes, and it was found that the basalt powder/slag binary mortars achieved performance comparable with that of cement-based systems in terms of compressive strength, fracture toughness, and fracture energy.Web
ادامه مطلبUniaxial compressive strength ( ... 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 …Web
ادامه مطلبThis 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 …Web
ادامه مطلبThe 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 …Web
ادامه مطلبIn this study, the basalt rock extracted from the Kalgoorlie region of Western Australia is intensively studied on its compressive properties under both static and dynamic loads covering strain rate between 2.22 × 10-6 /s to 408/s. The ultimate compressive strength and corresponding failure strain are quantified. The test results show that …Web
ادامه مطلبThe dynamic compressive strength of basalt fiber-reinforced concrete was bigger than that of ordinary concrete. The rapid development of modern society has increased the demand for high-performance geo-materials. As an advanced cementitious composite, fiber-reinforced concrete has attracted much attention and has been widely …Web
ادامه مطلبIt may be seen from Table 2 that the dynamic compressive strength of compact basalt is 4.14 to 7.52 times that of the static compressive strength for strain rates varying from 41.31/s to 475.59/s. The correlation equation for compact basalt with a coefficient of determination ( R 2 ) = 0.84 is presented in Figure 4 and given byWeb
ادامه مطلبThe experimental test results of compressive strength and split tensile strength are showing on the table 3 against various volume fractions of basalt fibres such as 0%, 0.5%, 1%, 1.5%, 2%, 2.5% and 3% against the age of curing 7 days and 28 days. Fig. 5 shows, the 7 days compressive strength is having almost 55% to 64% of 28 …Web
ادامه مطلبTo 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 ...Web
ادامه مطلبBasalt 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 …Web
ادامه مطلبAfter 20 cycles, the loss rates of compressive strength in group C, BFRC1, BFRC2 and BFRC3 were 33.9%, 24.6%, 15.5% and 27.3%, respectively. The compressive strength loss rate of basalt fiber reinforced concrete in each group is lower than that of ordinary concrete under single-side salt-freezing–drying–wetting cycle.Web
ادامه مطلبWhile, in the water method, the static compressive strength of basalt fiber-reinforced concrete is improved 16.1%, 14.3%, 28.8%, 28.6%, and 29.6% more than …Web
ادامه مطلبBasalt, extrusive igneous (volcanic) rock that is low in silica content, dark in color, and comparatively rich in iron and magnesium. Basalts may be broadly classified on a chemical and petrographic basis into two main …Web
ادامه مطلب23 rowsThe ultimate compressive strength and corresponding failure strain are quantified. The test ...Web
ادامه مطلبThe MOE of basalt fiber concrete is affected by the compressive strength, and there is no significant impact on the damping ratio of concrete with the addition of basalt fiber. This study is the first to demonstrate the essential parameters of mechanical and dynamic properties of basalt fiber concrete through experimental studies.Web
ادامه مطلبThe 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.Web
ادامه مطلبLR, SVR, and PR were utilized to forecast the compressive, flexural, and tensile strengths of BFHPC, and the PR technique was employed to simulate the compressive stress–strain curves. The performance of the models was also determined by the coefficient of determination (R 2 ), mean absolute errors (MAE), and root mean square errors (RMSE).Web
ادامه مطلبstudies have used overseas basalt as high-strength aggregate because of its low porosity. Basalt found in Jeju Island has a relatively high porosity, and the water absorption of basalt aggregate ranges widely from 0 to 10% [21–27]. Basalt from aggregate quarries has a water absorption of approximately 3%. Recycled aggregate containing …Web
ادامه مطلبWhile the ductility was 2.85 in the sample obtained with a mixture of 50% basalt and marble powder, it was 1 in the sample with 25% basalt. Samples with high compressive strength generally resulted in brittle fractures. Basalt and marble wastes promise an excellent future to improve the fragile structure, which is the negative aspect …Web
ادامه مطلبThe test results show that Kalgoorlie basalt rock exhibits high sensitivity to strain rate effect on its compressive strength especially above 100/s and dynamic …Web
ادامه مطلبBasalt fiber (BF) is an inorganic fiber material prepared from molten basalt using a drawing process [16]. ... The compressive strength test was carried out after 3, 7, and 28 days using a WDW-100 electronic universal testing machine (Zhejiang Jinhua Julong) according to GB/T50081–2002 [36]. The loading speed was controlled at 0.5 kN/s.Web
ادامه مطلبBy 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 ...Web
ادامه مطلبThe compressive strength was calculated by formula as follows: Compressive strength (MPa) = Failure load/cross sectional area. Table 7 represents all the results of compressive strength and are as a function of percentage basalt content and curing time according to tested days of cube specimens and are graphically plotted in …Web
ادامه مطلبThe above research mainly uses test methods to explore the compressive strength of basalt, but the test methods are time-consuming and labor-intensive, and the instrument materials are expensive. To solve the limitations of experimental methods, some scholars apply machine learning methods to concrete prediction [16], [17], [18].Web
ادامه مطلبIn order to address the effect of vesicularity of basalt, compressive strength measurements and pozzolanicity test were conducted at the MCF Laboratory. Early (2 days) and late (28 days) ages compressive strengths were measured for the 17 samples after grinding a mix of 3:1 ratio of clinker to the sample up to 3300 cm 2 /g fineness using a ...Web
ادامه مطلبThe dynamic compressive behavior of concrete reinforced with hybrid basalt-polypropylene fibers (HBPRC) and different matrix strengths (Fig. 3) was investigated by Qiang Fu et al. [47] using a split Hopkinson pressure bar. The results showed that increasing the volume of hybrid basalt and polypropylene fibers from 0.1% to 0.2% increased the ...Web
ادامه مطلبThis paper looked into the compression strength of basalt fiber reinforced concrete when it bears expanded clay as aggregate and when it bears the usual gravel …Web
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