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.
Mechanical relationship between compressive strength and sulfate erosion depth of basalt fiber reinforced concrete ... The results showed that the inflection point on the strength-erosion age curve for basalt fiber reinforced concrete appeared significantly later ... Anti-strength retrogression cementing materials for deep and ultra-deep wells ...
Basalt fiber is a new kind of environment-friendly and high-performance soil reinforcement material, and the mechanical properties of basalt fiber-reinforced soil have become a hot research topic. ... HU Guo-hui, XU Nan, et al. Experimental study on unconfined compressive strength of basalt fiber reinforced clay soil [J]. Advances in …
Compressive test results showed basalt fiber could increase compressive strength at elevated temperatures. The optimal basalt fiber volume fraction was 0.8%, whereby compressive strength was higher than that of control PVA-ECC by 62.05%, …
In this paper, the strength of basalt fiber reinforced concrete (BFRC) was investigated. Four percentages of basalt fiber (0.1%, 0.2%, 0.3%, and 0.4%) by volume fraction were added to concrete mix and BFRC cubes of 150 mm size were prepared and tested after 28 days curing age. It was found that the compressive strength of concrete …
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 …
Carbon fiber is anisotropic material in nature, manufactured at 1300 °C. The major advantages of this fiber include low density, low conductivity, high fatigue strength, high elastic modulus, good creep level, resistant to chemical effects and do not absorb water as well (Table 2).However, low compressive strength and being anisotropic …
After the sulfate erosion test, the compressive strength of OC and BFRC was obtained through the standard compressive strength test according to the Standard Test Method for Mechanical Properties of Ordinary Concrete (GB/T 50081–2021) [23]. A total of 160 specimens were tested by YAW-300 electro-hydraulic servo pressure test …
The effects of fiber content and fiber length on the unconfined compressive strength, deformation, and surface strain field of fiber-reinforced loess were …
The compressive strength increased by about 10% at a fibers dose of 2% compared to the control mix. However, the further increase in BF dosage to 2.5% and 3% showed a negative impact on the compressive strength, where the compressive strength dropped by about 12% and 21%, respectively. ... Basalt-based fiber-reinforced …
The 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 …
The large increments in unconfined compressive strength (UCS) and splitting tensile strength (STS) were 19.17% and 28.21% for the basalt fiber-reinforced bentonite cement paste (BFBCP), with a basalt fiber length of 9 mm and content of 0.6%.
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.
Compressive strength (MPa) Basalt. 196 - 490. Concrete (1-4 dry) 21 - 35. Concrete (lightweight) 18. Concrete (high strenght) 43 - 131.
The most significant weights of the factors on compressive strength were a water binder ratio of 0.3, fiber volume ratio of 0.2%, fiber length of 12 mm, and fly ash content of 30%. When the assessment index was the 28 d compressive strength, the optimal mix ratio of the basalt fiber self-compacting high-strength concrete was A 1 B 2 …
The results show that while basalt powder-based mixes have low compressive strength values, ranging between 2 and 9 MPa, basalt powder/slag blend …
The results show that while basalt powder-based mixes have low compressive strength values, ranging between 2 and 9 MPa, basalt powder/slag blend mixes exhibit a moderate compressive strength, i.e., 20 MPa at 28 days. ... Very few studies have investigated the use of basalt powder as a raw material in alkali-activated …
To assess the long-term durability of basalt fibres as reinforcing materials, three dissimilar experimental works were conducted to observe alkali resistance, weather resistance, auto-cleavability, and thermal stability. ... Compressive strength percentage increment comparisons for RC sample wrapped with 1, 2 and 3 layers of BFRP sheets …
Uniaxial compressive strength of materials as a function of (A) strain at failure, (B) porosity and (C) permeability. ... Overall, axial compressive strength for Pacaya basalt ranges widely from 12 to 174 MPa (Table 3), with the lower end falling into strength categories as low as chalk . Given that the porosity of the rocks scales with ...
Basalt Fibers Reinforced Concrete: Strength and Failure Modes. Materials 2022, 15, 7350. https:// doi/10.3390/ma15207350. Academic Editors: Tiejiong Lou …
Concrete is a composite material having high compressive strength but low tensile strength [1,2,3].Fibres are used in concrete to improve its tensile strength, flexural strength, toughness, impact, fatigue resistance, abrasion resistance and ductility characteristics [4, 5].The most commonly used fibres are steel, glass, carbon, aramid, …
The basalt fiber in weight dosages of 0, 0.1, 0.3, and 0.5% was used for reinforcement. The results showed that the compressive strength of concrete declined as the content of recycled aggregates increased, while the compressive strength first increased and then decreased as the basalt fiber dosage lifted.
The problem of improving the strength properties of polymer composite materials based of roving made of basalt complex filaments and epoxy resin as a binder was considered. The main objective of the research is to analyze the physical and mechanical characteristics of basalt composites, as well as the possibilities of their …
The ultrasonic detection tests show that both increased power levels and prolonged exposure time can cause severer damage to the basalt. (2) As the microwave power level and exposure time increase, the dynamic compressive strength of the treated basalt continues to decrease, while the peak strain continues to increase.
Basalt fibers are a type of reinforcing fiber that can be added to concrete to improve its strength, durability, resistance to cracking, and overall performance. The addition of basalt fibers with high tensile strength has a particularly favorable impact on the splitting tensile strength of concrete. The current study presents a data set of …
The result for the compressive strength for basalt as shown in Table 5 indicate a relatively higher valued compared to that of granite after 28 days of curing. The relationship between number of days and compressive strength for basalt; while comparison between the compressive strength of granite and bassalt after 28days is …
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 results of the NDT …
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 ].
Compressive Strength. Compressive strength test was performed on all mixes at the end of 7 days and 28 days curing. The results are presented in Fig. 4. Figure 5 clearly shows that the replacement of natural coarse aggregates with CDA by 25%, 50% and 75% has shown reduction in compressive strength by 18.34%, 23.48% and …
Figure 6 shows the compressive strength (CS) with the addition of basalt fibers. It can be observed that BF addition increased the CS. When the amount of BFs in the mix was increased, there was a …
Research suggests that BFs have not significantly increased the compressive strength of concrete. To enhance the compressive capacity of basalt-fiber-reinforced concrete, further research adding …
1. Introduction. Concrete is widely used in almost all civil engineering fields such as roads, bridges and buildings because of abundant raw materials, ease of construction and high compressive strength [1].However, the low tensile strength and large shrinkage and deformation of ordinary concrete (OC) limit its further development …
2.1 Raw Materials. Cement: PO42.5 Portland cement produced by Wuhan Huaxin Cement Company, possessing a specific surface area of 360 m 2 /kg and a density of 3.15 g/cm 3. (See Table 1 for the main chemical composition of cement.) Basalt fiber (Fig. 1): produced by a company in Guangdong (see Table 2 for basic performance and …