Study on impact compression properties and failure …
DIC analysis revealed that mixing an appropriate content of basalt and sisal fibers into concrete effectively slows down stress concentration and cracking under impact …
WhatsApp: +86 18221755073DIC analysis revealed that mixing an appropriate content of basalt and sisal fibers into concrete effectively slows down stress concentration and cracking under impact …
WhatsApp: +86 18221755073Basalt fiber (BF) stands out as the most intriguing among the natural fibers that may be utilized as reinforcement due to their characteristics. Numerous academics have conducted many tests on the strength, durability, temperature, and microstructure characteristics of concrete reinforced with BF and have found promising results.
WhatsApp: +86 18221755073The performance of composite materials is influenced largely by adding organic or inorganic nanoparticles. The composite properties also depend on the fiber/matrix interface bonding. The present article focuses on the influence of basalt fiber surface modifications using hybrid sizings (silane/and silica nanoparticles (SNPs)) and matrix modifications by adding …
WhatsApp: +86 18221755073The morphology of the axial compression of the BFRRAC specimen is shown in Figure 7. As can be observed, the integrity of each specimen was superior after failure. Chen et al. also proposed that BF fiber has a significant toughening effect, the integrity of the specimen is good after failure, and only a small number of particles fall off ...
WhatsApp: +86 18221755073The concrete of the deep mine shaft lining often produces a phenomenon similar to rock-burst, and basalt fiber has good crack resistance and is widely used in engineering construction. From the perspective of concrete dynamics, this paper conducts dynamic tests on ordinary concrete and basalt fiber reinforced concrete (BFRC) by using a Split Hopkinson Bar …
WhatsApp: +86 18221755073In this paper, a new composite system for concrete structures, i.e. inorganic polymer concrete column (IPCC) reinforced with basalt FRP bars, which combines the outstanding features of inorganic ...
WhatsApp: +86 18221755073To achieve good impact property in the basalt/flax composite, the basalt fiber present in the outer core layer of the composite shows good energy absorption towards the impact loading conditions, the damages were easily recorded with the help of ultrasonic techniques for the further analysis. From the thorough literature, it is understanding ...
WhatsApp: +86 18221755073Combination of basalt/flax fiber composite showed a good impact resistance, during the application of sudden impact loading conditions .Therefore from the overall observation, this study characterized the low velocity impact, compression after impact, XRD and FTIR studies of woven flax/basalt powder polyester composite.
WhatsApp: +86 18221755073This article presents the results of experimental studies concerning the dynamic deformation and failure of a uni-directional carbon fiber reinforced plastic (T700/LY113) under compression.
WhatsApp: +86 18221755073The aim of this research is to study the low velocity impact and compression after impact responses of woven flax and basalt fiber reinforced polyester composite.
WhatsApp: +86 18221755073Fibre reinforced polymer (FRP) has become a choice of reinforcement for concrete and it has the following characteristic features such as high tensile strength, low weight, good fatigue strength, good impact and compression properties.Because of these advantages, these FRPs are used to replace steel with different FRPs. In the present work, basalt FRP and glass …
WhatsApp: +86 18221755073The purpose of this paper (Part II) is to undertake a compressive assessment of basalt fiber reinforced concrete's durability features. The results show that adding BF significantly increased ...
WhatsApp: +86 18221755073With a decrease in the minimum temperature of the cryogenic freeze–thaw cycle, the optimal fiber content for compressive strength increases. Nevertheless, the splitting tensile …
WhatsApp: +86 182217550732.1 Uniaxial Compression 2.2 Point Load Testing 2.3 Uniaxial Tension 2.4 Indirect Tension Tests 2.5 Shear Tests 2.6 Confined Compression Tests (Triaxial Tests) 2.7 Biaxial and Multiaxial Tests 2.8 Other Tests 3. PARAMETERS AFFECTING ROCK STRENGTH 4. FAILURE CRITERIA FOR INTACT ROCKS AND ROCK MASSES 4.1 Mohr Criterion 4.2 Mohr-Coulomb Criterion
WhatsApp: +86 18221755073under compression Mehran Khan a, Mingli Cao a, *, ... The basalt fibers were widely used in composites because of their excellent mechanical properties and eco-friendly nature [12,43–45]. ...
WhatsApp: +86 18221755073This paper gives additional information on the use of new class of composites constituted by Basalt Fiber Reinforced Polymer (BFRP) bonded with epoxy resin to concrete specimens as an alternative confinement material for compressed concrete members with respect to carbon or glass fibers. From the experimental point of view, concrete cylinders are wrapped …
WhatsApp: +86 18221755073Niaki, Fereidoon, and Ahangari prepared basalt/epoxy composites. The tensile and flexural strengths of the composites were significantly improved when the filler content was 25 wt%. Raajeshkrishna, Chandramohan, and Saravanan manufactured basalt/epoxy composites by molding method. The maximum tensile strength increased to 318 MPa and the ...
WhatsApp: +86 18221755073Basalt fibers (BFs) are formed by drawing molten basalt (one of the most widely distributed volcanic rocks on the earth, for which the primitive magma originates from the upper mantle 1) at high temperatures ranging from 1450 to 1500°C.Since BFs have excellent mechanical and physical properties, 2–10 such as excellent acid and alkali corrosion …
WhatsApp: +86 18221755073composites [15,16]. Bhat et al. showed that basalt and glass tows show similar quite rapid softening with increasing temperature and time [16]. Yet softening for basalt composite is more severe than for glass composite, residual stresses for basalt are lower at high temperatures. Reason according to [16]
WhatsApp: +86 18221755073Axial compression test was conducted to investigate the effect of confinement on plain concrete cylinders by wrapping polyethylene naphthalate fiber reinforced polymer (PEN FRP) with large rupture strain (LRS) capacity. To draw comparison on the confinement effect by PEN FRP wrapping, the confining effect by basalt FRP (BFRP) wrapping was also …
WhatsApp: +86 18221755073granite was less than 1; for the basalt, 1.35; for the limestone, 1.52; and for the tuff, 1.7^-« The compressional wave velocity of rock is affected by increases in both the applied axial stress and
WhatsApp: +86 18221755073Basalt fiber exhibited good comprehensive properties as a novel kind of environmentally friendly material. At the same time, compared with other fibers, basalt fiber had sufficient sources ... Axial compression performance of basalt-fiber-reinforced recycled-concrete-filled square steel tubular stub column. Advances in Concrete Construction ...
WhatsApp: +86 18221755073The benefit of using basalt fiber or other FRP material is that they are non-corrosive, which is a good choice for reinforcing concrete structure exposed to de-icing salts, for examples in bridge ...
WhatsApp: +86 18221755073Among these advanced materials, basalt fiber (BF) has gained significant attention due to its cost-effectiveness, environmental friendliness, and excellent mechanical properties [[3], [4], [5]].The preparation process of BF involves melting finely ground basalt at high temperatures of 1500–1700 °C to form a glass-like molten liquid, which is then extruded into fine filaments.
WhatsApp: +86 18221755073Mechanical properties and constitutive relation of recycled aggregate concrete reinforced with face mask fibre and basalt fibre under uniaxial cyclic compression ... a constitutive model for the cyclic compression of DBFRAC at different contents of DMFM fibre and BF was determined by data fitting, which was in good agreement with the test ...
WhatsApp: +86 18221755073There is good agreement between the calculated and measured temperatures for the glass laminate. ... by basalt fibres in structural composites can significantly diminish their fire structural integrity when loaded in compression. Basalt laminates have a higher absorptivity than glass composites, causing them to heat-up more rapidly and reach ...
WhatsApp: +86 18221755073Imagine squeezing a sponge. Under compression, concrete excels, demonstrating strengths between 3,000 to 7,000 psi, according to the American Concrete Institute. This makes it perfect for structures like bridges and skyscrapers where loads compress the material. Concrete in Compression. Concrete shines when it handles compression.
WhatsApp: +86 18221755073The reason for increment in concrete CS could be attributed to the good compatibility of basalt fiber with cement and the excellent mechanical properties of basalt fiber [61]. Also, the uneven mixing due to higher content and larger length of basalt fiber (BSC-FAC25d, BSC-FAC37d and BSC-FAC50d) resulted in reduced CS than those of low content ...
WhatsApp: +86 18221755073Basalt is a mineral of volcanic origin, the fiber is produced from volcanic rock using a single raw material and drawing fibers from molten rock at a temperature of 1400–1500 °C. The fiber has a number of excellent properties of good mechanical strength, excellent sound and thermal insulator and so on.
WhatsApp: +86 18221755073Three kinds of specimens were prepared for compression test ... it can be judged that there is a good bonding behavior between basalt fiber and concrete. (4) The compressive toughness, the tensile toughness, and bending toughness of BFRC were evaluated by the advanced evaluation method of toughness, Hillerborg characteristic length, and ...
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