We also evaluated the dynamic modulus of elasticity, relative dynamic modulus elasticity, and durability factor. Our findings unveil a compelling narrative. The incorporation of basalt fibers proved transformative, significantly enhancing the concrete's overall strength and resilience, particularly against freezing–thawing cycles.
The use of basalt fibres is intuitively expected to improve concrete abrasion resistance due to the tensile strength and modulus of elasticity of basalt fibre being considerably greater that of the reference concrete.
To study the effects of basalt fibers (BFs), calcium sulfate whiskers (CSWs), and modified calcium sulfate whiskers (MCSWs) on the compressive strength and …
Chen et al. 28 studied the changes of mechanical properties and stability of pultruded basalt fibre reinforced polymer (BFRP) pipes under axial compression loads …
of Deccan Basalt, Maharashtra, India Dhananjai Verma 1, Ashutosh Kainthola 1*, ... although the elastic and strength properties of intact samples of basaltic rock are well known. This deficiency ... Young's Modulus (GPa), Dry Young's Modulus (GPa), Wet 1 1.69 44.26 44.01 2 1.21 49.36 48.2
The 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.
FRP Rebar in Slabs on Grade Benefit from Low Modulus of Elasticity Steven E. Williams, PE Williams & Works, Inc., 549 Ottawa Ave. NW, Grand Rapids, Michigan 49503 April 10, 2015 ... has chosen basalt because of basalt's superior alkali resistance to glass fiber and higher tensile strength). With this reduction in price, the industry may be ...
This study comparatively analyze the application of basalt and glass fibers as fiber reinforcement in high strength concrete. It was observed from the test results …
The use of fiber reinforced polymer (FRP) rebar, particularly those using glass and basalt fiber, is rapidly becoming more common. These rebar are cost effective, corrosion resistant, lightweight, very strong and environmentally ... modulus of elasticity (Young's modulus) is much lower (6,000 ksi v. 29,000 ksi), as is its transverse shear ...
This paper presents a study of the influence of basalt rocks' phase composition, acidity modulus, and structural parameter NBO/T on the tensile strength …
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 ...
Finally the results of the Young’s modulus place the basalt fibers in between E-Glass fiber composites and Carbon fiber composites. References Alves, C., Ferrão, P. M. C., Silva, A. J., Reis, L. G., Freitas, M., Rodrigues, L. B., & Alves, D. E. (2010). ... The modulus of elasticity in compression is about 24% higher than the …
Aramid fibers (also known as aromatic polyamide fibers) have high strength, a high elastic modulus, and 40% lower density than glass fibers. The cost of aramid fibers is higher than glass and basalt fibers making them less common in structural applications.
In this study, preliminary simulations were performed to manufacture thermoplastic composites that can be processed by injection. For analysis, a basalt particulate–polymer composite model was manufactured and its elastic modulus, shear modulus, thermal expansion coefficient, and thermal conductivity were predicted using …
Physical and mechanical properties of basalt aggregate offers advantages compared to limestone aggregates. • Repeated load triaxial (RLT) test was used to determine the resilient modulus and permanent deformation values of …
A new equation is proposed which uses both dynamic elastic modulus and spatial attenuation of compressive waves to provide an accurate prediction of static Young's modulus.
Basalt rocks are a common geological formation that plays a crucial role in various engineering applications, such as construction, infrastructure development, and geotechnical engineering.
The modulus of elasticity (E) varies between 75 and 115 GPa and tensile strength between 2175 and 4840 MPa. This variation in the properties can be attributed …
The elastic modulus of basalt fibers is comparable to that of glass fibers, higher compared to E-type but lower compared to S-type. Elongation at break values is higher compared to carbon fiber but lower compared to glass one (Table 1.1).
Compared with plastic slurry, basalt fiber is a little bit higher in elasticity modulus, the adsorption bonding force will disperse some of the shrinkage energy to the fiber mono-filament, increasing strength of extension so that it can efficiently restrain the production and development of micro-cracks, especially for interconnected fracture ...
The elastic modulus for basalt formation was calculate from the curves shown in figures 4-a to 4-c and its value was tabulated in table (1) which shows the value of deformation modulus at three different stresses 2000, 4000, and 6000 kPa for the three different loading tests at the
In addition, the effect of basalt stirrups in resisting shear was more obvious when the diameter and reinforcement ratio of the main longitudinal bars decreased. ... The low modulus of elasticity led the design standard and guidelines to develop an upper limit for the stress and strain values that would be applied to the FRP stirrups to ...
Young's modulus, or modulus of elasticity, is a property of a material that tells us how difficult it is to stretch or compress the material in a given axis. This tells us that the relation between the longitudinal strain and the stress that causes it is linear.
Tensile and Shear Testing of Basalt Fiber Reinforced Polymer (BFRP) and Hybrid Basalt/Carbon Fiber Reinforced Polymer (HFRP) Bars. ... The modulus of elasticity for the tested bar diameters depends mostly on the volume fraction of carbon and basalt fibers. The differences in volume fraction can be caused due to a various number …
In addition, dynamic modal tests were then conducted to determine the dynamic modulus of elasticity (MOE) and damping of the FRF concrete beams. The results indicate that concrete's toughness …
Modulus of elasticity or Young's modulus ( E ): The ratio of stress to corresponding strain below the proportionality limit of a material. Values of E for various rocks are shown in Table A-1 in the Appendix.
New Basalt Macro Fibre reinforced Geopolymer Concrete (BMF-GPC) is proposed. ... whilst having limited effects on the modulus of elasticity and flexural strength. Additionally, an analytical model was proposed to predict the compressive stress-strain behaviour of BMF-GPC, which could be used for the design of BMF-GPC …
In order to investigate the effects of fluid and frequency on the elastic properties, we performed hydrostatic experiments on an Icelandic basalt specimen under both dry and saturated conditions. Thi...
Limited studies have been conducted on the dynamic properties of basalt fiber reinforced concrete under dynamic loading conditions such as blast loading, impact …
Key Points. Monitoring the replacement of water by CO2 over time with seismic is possible. Gassmann and Kuster-Toksoz models predict measured rock …
Modern basalt fibers are a suitable high performance reinforcement for polymer composites. The mechanical properties of unidirectional basalt fiber reinforced polymers (BFRP) are similar to, or better than E-glass fiber reinforced polymers (GFRP)—elongation and stress at break are comparable [] while their Young's Modulus …
The Young's modulus of elasticity of Stone Wool is N/A. Hardness of Stone Wool In materials science, hardness is the ability to withstand surface indentation ( localized plastic deformation ) and scratching .
Bulk density, uniaxial compressive strength, modulus of elasticity, indirect tensile strength and water absorption were measured. The abrasion resistance was tested by micro-Deval tests. The flakiness indexes of the samples were also measured.
Keywords Basalt · Uniaxial compressive strength · Modulus of elasticity ·ANFIS ·ANN ·Non-linear multiple regression ... uniaxial compressive strength and tangent Young's modulus of basalt ...
The density and Young's modulus of polycarbonate were taken to be 1.2 g/cm 3 and 2.3 GPa, and the parameters used for basalt fibre and polypropylene were summarised in Table 7. The experimental Young's modulus values reached at least 69% and 81% of the theoretical values for BF-PP and BF-PC composites, respectively, as …
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