basalt s compressive strength

Prediction of compressive strength of BFRC using soft …

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 …

Strength and deformation properties of granite, basalt

form. Results of the unconfined compressive strength tests on basalt y indicated, that as the loading rate was increased from 1 to 1.60 x 10 psi/sec, ultimate strength, total axial strain, and Young's modulus of elasticity increased. Total diametral strain decreased as …

Fracture behavior of alkali-activated basalt powder/slag …

Basalt 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.

Mechanical Performance of Geopolymer Concrete Based on Basalt …

While 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 …

Uniaxial compressive strength ( c) and deformation …

Uniaxial 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 …

Experimental Study on Basic Mechanical Properties of Basalt …

The 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 …

Assessing the uniaxial compressive strength and tangent …

Basalt 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 …

Mechanical Properties and Microstructure of Basalt Fiber

After 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.

Physical and mechanical properties of basalts.

The prediction of strength properties is a topic of interest in many engineering fields. The common tests used to evaluate rock strength include the uniaxial compressive strength test (UCS ...

Forecasting compressive strength of concrete with basalt …

This study investigates the predictive capabilities of Artificial Neural Network (ANN), Random Forest (RF), and Random Tree (RT) models for determining the compressive strength (CS) of concrete, with a specific focus on the individual and hybrid effects of Basalt Fiber (BF) and Polypropylene Fiber (PPF) on CS. The RF model …

Unconfined compression behavior of basalt fiber–reinforced …

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 …

Engineering, Mechanical and Dynamic Properties of Basalt …

From the results of the modal test, as shown in Table 7, and the compressive test, as presented in Table 4 and Figure 4, the compressive strength and dynamic MOE have shown a similar trend when the volume fraction of basalt fiber is increased continuously, with M 2 (0.25%) showing the highest compression and dynamic MOE value.

(PDF) Assessing the uniaxial compressive strength and

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 ...

Han Wu, Xia Qin, Xu Huang and Sakdirat Kaewunruen

a diameter of 13–20 m. In addition, the density of basalt is about 1.3 to 2.75 g/cm3, the tensile strength is between 2600 to 4840 MPa, and the range of the elastic modulus is 80–115 GPa [31]. Although basalt fiber can be relatively more expensive than some other fibers, it is cheaper than carbon fiber and S-glass fiber.

Study on Mechanical Properties and Microstructure of Basalt …

The 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 …

The influence of aggregate type on the strength and

For a better comparison purpose, the compressive strengths of aggregates were also presented in Table 5. Table 5 shows that, the compressive strengths of the gabbro concrete were 63.8 MPa, 79.9 MPa, 119.4 MPa, and 136.4 MPa at 3, 7, 28, and 90 days curing time. The basalt concrete developed the compressive strengths …

Limits on strength and deformation properties of …

Typical values of strength parameters for intact basalt at ambient temperature (20°C) and negligible confining pressure are Young's modulus, 78±19 GPa; Poisson's ratio, …

Compressive strength of lightweight expanded …

The compressive strengths were testing on concrete cubes of dimensions 100mm x 100mm x 100mm. The cubes are molded in a metallic form. ... Compressive Strength, MPa Basalt fiber of length 30-31 мм. (hard basalt fiber) (I) 967.5 3.56 Basalt fiber of length 40 мм. (hard basalt fiber) (II) 968 5.16

Assessing the aptitude of vesicular volcanic rocks as

The Wejerat vesicular basalts are best fit for pozzolan source with mean 2 and 28 days compressive strength of 14.9 and 34.0 MPa, exceeding the minimum limits of 10.0 and 32.5 MPa, respectively. Their mean [OH-] and [CaO] values in the pozzolanicity test are 43.0 and 11.4 mmol/l, respectively, falling on the pozzolanic area of the Frattini …

Properties of Basalt | Physical | Thermal

1 Properties. 1.1 Physical Properties. 1.1.1 Hardness. 6. 1.1.2 Grain Size. Fine Grained. 1.1.3 Fracture. Conchoidal. 1.1.4 Streak. White to Grey. 1.1.5 Porosity. Less Porous. 1.1.6 …

Alkali-activated basalt powder/slag systems: …

The results show that while basalt powder-based mixes have low compressive strength values, ranging between 2 and 9 MPa, basalt powder/slag blend …

Alkali-activated basalt powder/slag systems: compressive strength …

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. ... The low strength values of the basalt powder-based mixes are attributed to the low concentration …

Effect of Aggregate Type on Properties of Ultra-High-Strength …

Basalt is a magma effusive rock with a content of 45–52% SiO 2, which has a compressive strength of 150–300 MPa and a tensile strength of 10–20 MPa. Experimental investigations on the use of basalt aggregate in high-strength concrete mixes, which were conducted by Kishore et al. and presented in [ 20 ], indicate its influence on concrete ...

Mechanical Properties and Damage Evolution Characteristics …

The average compressive strength σ c and elastic modulus E of basalt after different high temperature treatments are summarized in Fig. 7. To analyze the influence of temperature on strength and deformation characteristics, the parameter deterioration coefficient ({D}_{p}) is defined as Formula ( 1 ) with reference to the index at 25℃:

EFFICACY OF BASALT AND GRANITE AS COARSE …

Compressive strength for basalt 36.39N/mm2 while 37.16N/mm2 for granite. 24.81N/mm2 tensile strength for basalt while 12.57N/mm2 for granite, 31.83N/mm2 flexural strength for basalt while …

Empirical models for compressive and tensile strength of basalt …

To 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 ...

Dynamic Split Tensile Strength of Basalt, Granite, Marble

The aim of this study is to understand the strength behaviour and fragment size of rocks during indirect, quasi-static and dynamic tensile tests. Four rocks with different lithological characteristics, namely: basalt, granite, sandstone, and marble were selected for this study. Brazilian disc experiments were performed over a range of strain rates from ~ …

Experimental Study on Mechanical Properties of Basalt Fiber …

The incorporation of basalt fiber into concrete can effectively improve the energy absorption capacity and ductility properties of concrete, but it has little effect on its compressive strength [14,15]. Most studies on BFRC have focused on its basic mechanical properties: compressive strength, flexural strength, and splitting tensile strength.

Reactive Powder Concrete Containing Basalt Fibers: Strength …

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 …

Sustainability | Free Full-Text | The Effect of Basalt Fiber on

Compressive strength, flexural strength, and UPV tests were performed to examine the impact of BF on produced samples after 28 days at 20 °C. The same tests were also carried out on samples exposed to high-temperature effects. For each mixture, the average compressive strength of three 50 × 50 × 50 mm 3 cube samples after 28 days …