basalt compressive strength

Basalt Rock Properties and Uses

This property is usually measured to find out the compressive fracture strength, to denote whether a rock is softrock or hardrock. The rock hardness of basalt is 6 on the Mohs scale, and can be seen through a …

Empirical models for compressive and tensile strength of …

To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using …

Basalt Fibers Reinforced Concrete: Strength and Failure Modes

Figure 6 shows the compressive strength (CS) with the addition of basalt fibers. It can be observed that BF addition increased the CS. It can be observed that BF addition increased the CS. When the amount of BFs in the mix was increased, there was a minor improvement in the CS of the material up to 1.5 percent fiber volume.

STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES

[PDF] Numerical Study for Compressive Strength of Basalt …

Corpus ID: 55787158; Numerical Study for Compressive Strength of Basalt Composite Sandwich Infill Panel @article{Sim2017NumericalSF, title={Numerical Study for Compressive Strength of Basalt Composite Sandwich Infill Panel}, author={Viriyavudh Sim and Jung-Kyu Choi and YongJu Kwak and Oh Hyeon Jeon and Wooyoung Jung}, …

Uniaxial Compressive Strength

The uniaxial compressive strength test is used to determine the maximum value of stress obtained before failure. The determination of this parameter was carried out on specimens with dimensions 7 × 7 × 7 cm along two orthogonal directions (side A–side C), in order to identify possible anisotropies which were not identified by the test of water absorption by …

Empirical Estimation of Uniaxial Compressive Strength of …

Empirical relationships for estimating Uniaxial Compressive Strength (UCS) of rock from other rock properties are numerous in literature. This is because the laboratory procedure for determination of UCS from compression tests is cumbersome, time consuming, and often considered expensive, especially for small to medium-sized …

Post-cracking behaviour of basalt and macro

This study experimentally investigated the mechanical properties of basalt-macro polypropylene hybrid fibre reinforced concrete. Three macro polypropylene fibre volume fractions (0.3%, 0.7% and 1%), two concrete compressive strengths (30 MPa and 60 MPa) and basalt fibre volume fraction 0.1%, were used to study their influences on …

Mechanical relationship between compressive strength and …

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 …

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

This study investigates the potential use of basalt powder as a sole precursor or blended in high amounts in slag-based alkali-activated systems. Eight alkali-activated mixes are prepared and comprehensively analyzed to determine the compressive strength development and microstructural characterization of basalt …

STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES

between strain hardening and softening is called the unconfined compressive strength of the rock and is denoted as Co or qu. Failure takes place continuously from C to D during which ... Granite Basalt Gneiss Schist Quart-zite Marble Lime-stone Sand-stone Shale Av. Co Max. Co Min. Co Range No. of samples 181.7 324.0 48.8 275.2 26 214.1 358.6 ...

Dynamic compressive properties of Kalgoorlie basalt rock

The test results show that Kalgoorlie basalt rock exhibits high sensitivity to strain rate effect on its compressive strength especially above 100/s and dynamic …

Geomechanical rock properties of a basaltic volcano

To do this, we evaluated the physical (porosity, permeability) and mechanical (strength) properties of basaltic rocks at Pacaya Volcano (Guatemala) through a variety …

AN INTRODUCTION TO BASALT ROCK FIBER AND …

The compressive strength increases with basalt fiber content and curing time, and reaches the peak at the fiber content of 0.2%, followed by a reduction due to the formation of weak zone at higher ...

Modeling strength characteristics of basalt fiber reinforced …

This study investigated the importance of applying explainable artificial intelligence (XAI) on different machine learning (ML) models developed to predict the strength characteristics of basalt ...

A review of test methods for uniaxial compressive strength …

The uniaxial compressive strength (UCS) of rocks is a vital geomechanical parameter widely used for rock mass classification, stability analysis, and engineering design in rock engineering. Various UCS testing methods and apparatuses have been proposed over the past few decades. The objective of the present study is to summarize …

Alkali-activated basalt powder/slag systems: …

[19] investigated the compressive strength of NaOH-activated basalt systems by varying the activator dosages and curing temperatures. They determined that a moderate compressive strength (about 16 MPa) can be realized and the compressive strength can be improved by increasing the curing temperature and duration.Moreover,they ...

(PDF) Assessing the uniaxial compressive strength and tangent …

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 ...

Compressive stress–strain relationship and its variability of basalt …

Increasing the content of basalt fibers to a certain extent can enhance the compressive strength of RAC, but it also significantly increases the variability of material performance. Additionally, the minimum compressive strengths of these three sets of specimens are 19.3, 19.7, and 21.0 MPa, respectively, indicating that the influence of …

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 …

Fresh, mechanical, and durability properties of basalt fiber …

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. ... Effect of basalt fibers length …

Experimental Study of the Compressive …

The dynamic compressive strength of basalt fiber-reinforced concrete was bigger than that of ordinary concrete. The rapid development of modern society has increased the demand for high …

Studies on strength properties of basalt fibre reinforced …

The 7 days compressive strength is having almost 55% to 64% of 28 days compressive strength for this basalt fibre reinforced concrete. This observation is similarly seen in split tensile strength test also. (ii) The compressive strength is found to be maximum of 36.67 N/mm 2 for the concrete having 1% of basalt fibre content. The …

Compressive strength of basalt fiber reinforced concrete …

This paper looked into the compression strength of basalt fiber reinforced concrete when it bears expanded clay as aggregate and when it bears the usual gravel as aggregate. ... Bogas J A Gomes M G and Gomes A 2013 Compressive strength evaluation of structural lightweight concrete by non-destructive ultrasonic pulse velocity …

STUDY OF MAKING POLYESTER RESIN MATRIX …

highest compressive strength value of 28.331 kgf/mm2 was obtained from the various parameters of 270 mesh-20% polyester- 1/20 catalyst and 270 mesh-25% polyester-1/30 catalyst.

Rock mass properties

ξ uniaxial compressive strength of the intact rock pieces, ξ value of the Hoek-Brown constant for these intact rock pieces, and ξ value of the Geological Strength Index GSI for the rock mass. ... Fresh basalt, chert, diabase, gneiss, granite, quartzite R5 ; Very: strong: 100 -250 4 -10 Specimen requires many blows of a geological :

strength and point load strength of basalt New …

Keywords: Basalt, Regression analysis, Point load strength index, Uniaxial compressive strength Introduction Uniaxial compressive strength (UCS) is an important property of rock. Uniaxial ...

Estimation of compressive strength of various stones based …

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 …

Evaluation of quasi static strength of Kevlar/Basalt-Epoxy …

Fig. 1 shows the cut-out sections of size 100 mm by 100 mm of Kevlar/Basalt and Kevlar/Glass fibre composite laminates for various intra-woven namely, 1 × 1, 3 × 3 and 5 × 5 respectively. The absorbed energy is determined with the help of the load Vs displacement curve [17], [18].The load at peak signifies the maximum load that …

Experimental Investigations on Basalt Fibre-Reinforced …

Compressive Strength. Compressive strength tests were carried out as per IS: 516 on concrete cubes in Universal Testing Machine (UTM) of capacity of 1000 kN under 0.5 mm/min loading rate. The average compressive strength of the control specimens and basalt fibre-reinforced concrete is shown in Fig. 8. An increase in …