هل ستصبح شريكنا القادم ؟
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 …
Read More
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 …
Read More
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 …
Read More
materials like steel fiber [18], propylene [19], carbon [20], jute fiber [21], glass fibers [22] and other similar ones [23]. Concrete brittleness may be reduced by …
Read More
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 …
Read More
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 …
Read More
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 …
Read More
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 …
Read More
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 …
Read More
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 …
Read More
To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using …
Read More
In 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.
Read More
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 …
Read More
Basalt fiber is a new kind of artificial fiber whose raw material is from basalt rock originated from the solidification of molten lava that comes out on the earth surface [5]. ... The prediction of compressive strength of BFRP-confined specimens from considered existing models is in close agreement with the experimental results.
Read More
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.
Read More
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 ...
Read More
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, …
Read More
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 …
Read More
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 …
Read More
The dynamic compressive strength of basalt fiber-reinforced concrete was bigger than that of ordinary concrete. Keywords: basalt fiber-reinforced concrete; high …
Read More
The compressive strength values range between 23 and 41 MPa. According to Table 5, the addition of basalt fiber improves the compressive strength of SCC mixes. The SCC mixes with a fiber volume fraction of 0.3% (SCCBF0.3%) exhibit the highest compressive strength when basalt fiber is included.
Read More
The peak value of cubic compressive strength is shown with a basalt fiber content of 4 kg/m 3, which increases by 24% compared to the control specimen. The red dashed line in Figure 3 indicates that the compressive strength of the pervious concrete can meet the requirements of CJJ/T 135-2009 (20 MPa, the red dashed line in Figure 3).
Read More
The paper presents the test results of basalt fiber impact on a compressive and flexural strength, resistance to abrasion and porosity of Reactive Powder Concrete (RPC). The reasons for testing were interesting mechanical properties of basalt fibers, the significant tensile strength and flexural strength, and in particular the resistance to high …
Read More
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 ].
Read More
Compressive strength (MPa) Basalt. 196 - 490. Concrete (1-4 dry) 21 - 35. Concrete (lightweight) 18. Concrete (high strenght) 43 - 131.
Read More
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 …
Read More
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 applied to various buildings and civil infrastructure. A basalt fiber-reinforced concrete is proposed as an advanced geo …
Read More
Basalt Fibers Reinforced Concrete: Strength and Failure Modes. Materials 2022, 15, 7350. https:// doi/10.3390/ma15207350. Academic Editors: Tiejiong Lou …
Read More
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.
Read More
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 …
Read More
