Properties of Basalt
Explore a comprehensive list of basalt properties in both SI and US customary units at normal temperature and pressure (NTP).
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Dynamic compressive properties of Kalgoorlie basalt rock
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. The test results show that Kalgoorlie basalt rock …
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(PDF) Estimation of Compressive Strength of Basalt Fiber …
Background: In this study, the unconfined compressive strength (qu) of a mixture consisting of clay reinforced with 24 mm-long basalt fiber was estimated using extreme learning machine (ELM).
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Empirical models for compressive and tensile strength of basalt …
Introduction. Basalt fibers (BF) are produced from the basalt rocks which are formed because of volcanic lava solidification. BF are abundantly found on earth due to their volcanic origin 1, 2.BF have higher viscosity and resistivity of temperature shifts from low to high which ascribes higher Compressive Strength (CS) and durability 1.Micrograph Analysis show that BF have good …
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Strength, durability and finite element analysis of hybrid jute/basalt
Under normal, seawater, and potable water conditions, CFJ2B2 specimens showed axial compressive strengths of 38.54 MPa, 35.75 MPa, and 36.57 MPa, respectively, with an increase of nearly 65 % in compressive strength compared with unconfined specimen.
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Experimental Study of the Compressive Strengths of Basalt Fiber …
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-performance geo-materials. As an advanced cementitious composite, fiber-reinforced concrete has attracted much attention and has been widely applied to various ...
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Investigation of tensile strength and deformation behaviors of basalt
The frequent occurrence of geological disasters in the Loess Plateau is related to the low tensile strength of the loess. Previous studies on fiber-reinforced loess mainly focused on compressive properties, and there have been fewer studies on tensile behaviors, especially when subjected to dry-wet cycles. In this paper, the tensile strength and deformation behaviors of …
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Estimating the Unconfined Compressive Strength of Vesicular
ABSTRACT. ABSTRACT: Understanding and predicting the intact strength of rock is very important in design of foundations, tunnels, and in other engineering projects. The presence of vesicles within basalt has a direct impact on the unconfined compressive strength (UCS) of the intact rock. Over 130 basalt samples from foundation projects for a large liquid …
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Determination of Basalt Fiber Reinforcement in Kaolin Clay
The used neural network (NN) was trained to obtain basalt fiber-to-kaolin ratios based on the liquid limit, plastic limit, and unconfined compressive strength. This model enabled the prediction of the fiber ratio that provides the maximum improvement in the liquid limit, plastic limit, and compressive strength without the need for experiments.
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Mechanical Characterization of Compact Basalt by Using SHPB …
It may be seen from Table 2 that the dynamic compressive strength of compact basalt is 4.14 to 7.52 times that of the static compressive strength for strain rates varying from 41.31/s to 475.59/s. The correlation equation for compact basalt with a coefficient of determination ( R 2 ) = 0.84 is presented in Figure 4 and given by
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strength and point load strength of basalt New correlations …
Keywords: Basalt, Regression analysis, Point load strength index, Uniaxial compressive strength Introduction Uniaxial compressive strength (UCS) is an important property of rock. Uniaxial ...
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Studies on strength properties of basalt fibre reinforced concrete
The experimental test results of compressive strength and split tensile strength are showing on the table 3 against various volume fractions of basalt fibres such as 0%, 0.5%, 1%, 1.5%, 2%, 2.5% and 3% against the age of curing 7 days and 28 days. Fig. 5 shows, the 7 days compressive strength is having almost 55% to 64% of 28 days compressive strength for the …
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(PDF) Assessing the uniaxial compressive strength …
Measuring the uniaxial compressive strength (UCS) and the tangent Young's modulus (E t) in the laboratory requires premium quality specimens with special core dimensions. This research focuses...
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Estimating uniaxial compressive strength of rocks using genetic
Porosity is a significant physical feature of rocks due to water absorption that causes decrease in the strength. The basalt of the study area can be described as "highly porous" and ignimbrite as "extremely porous" according to the classification by Anon (1979).The average UCS of basalt is determined as 26.65 MPa.For the ignimbrite, the lowest UCS is observed in …
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Basalt Rock
Let's discuss some physical properties of basalt: Rock Hardness . Rock Hardness property is usually measured to determine the compressive fracture strength, to determine whether a rock is a soft rock or a hard rock. The rock hardness of basalt is 6 as per the Mohs scale and can be observed through a combination of its compressive strength.
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Assessing the uniaxial compressive strength and tangent Young's …
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 Hardness Test (LRH).
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Limits on strength and deformation properties of jointed basaltic …
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, 0.25±0.05; …
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Dynamic compressive behavior of hybrid basalt-polypropylene …
The addition of basalt fiber (BF) and polypropylene fiber (PF) improves the strain rate sensitivity of the dynamic compressive strength, with increases of 19.21 %, 7.37 %, 22.60 %, and 11.37 % observed for BCAC-0.1, PCAC-0.1, BPCAC-0.1, and BPCAC-0.2, respectively, compared to CAC at a strain rate of 133 −143 s −1. The combined content of ...
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Estimating the compressive and tensile strength of basalt fibre
This research presents novel hybrid machine learning models for predicting the compressive strength (CS) and tensile strength (TS) of basalt fibre reinforced concrete …
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Strength and deformation properties of granite, basalt, limestone, …
The dynamic compressive strength factor for the granite was less than l; for the basalt, 1.35; for the limestone, 1.52; and for the tuff, 1.74. The compressional wave velocity of rock is affected by increases in both the applied axial stress and confining pressure.
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STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES
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Uniaxial compressive strength ( c) and deformation modulus …
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Estimation of compressive strength of various stones based on …
A stone's compressive strength is usually estimated with a typical uniaxial compressive strength test (UCS), ... Marble presents differences concerning its density, or porosity, though it presents a wide range of compressive strength. Basalt is used all over the world, and because of its volcanic origin, it is an abundant source of basalt ...
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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 machine.
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Predicting the compressive strength of fiber-reinforced recycled
Fiber-reinforced recycled aggregate concrete (FR-RAC) has recently gained more popularity because of its advantages, high strength, eco-friendliness, and cost-effectiveness. This study uses an advanced machine-learning technique for forecasting the compressive strength of FR-RAC. In this study, an experimental database that contained pertinent data from several …
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Comparative analysis of Basalt/E-Glass/S2-Fibreglass-Carbon …
The experimental results showed high performance of basalt fibre in terms of Young's modulus, compressive and bending strength, impact force and energy. ... Among basalt specimens, S 2-B and S 6-B resulted in strength near to reference pure carbon laminate S 1-C which indicates optimality for specimens S 2-B and S 6-B.
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The Prediction of Compressive Strength and Compressive …
The optimal percentage of BF for compressive strength was 1.2. The compressive strength was significantly improved by adding 1.2% of BF. In fact, the improvement in compressive strength of High-Performance Concrete was due to the incorporation of BF and cement matrix at the microscopic scale.
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Prediction of the Effect of Fly Ash on the Unconfined Compressive
In this study, the effects of fly ash (FA) and basalt fiber (BF) additives on the unconfined compressive strength (qu) of kaolin clay were experimentally investigated, and a dataset was created based on the results. This dataset was used in an artificial neural network (ANN) model to predict the qu based on the additive ratio, water content, and curing time. For …
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Empirical models for compressive and tensile strength of …
compressive strength (CS) and tensile strength (TS) of basalt ber reinforced concrete (BFRC), this study will develop empirical models using gene expression programming (GEP), Articial Neural
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Compressive Strength of Rocks
The following table provides a comprehensive list of compressive strength values for different rocks at standard room temperature (approximately 20°C or 68°F). Click on the icon to switch between SI (MPa) and US customary (psi) units.
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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 27.97N/mm2 for granite. From the above results, it can be deduced that basalt has higher strength properties than granite. Therefore, more suitable for coarse ...
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Properties of Basalt | Physical | Thermal
Rocks are rated on the on the Moh's Hardness Scale which rates the rocks on the scale from 1 to 10. Rocks with hardness 1-3 are soft rocks from 3-6 are medium hardness rocks and 6-10 are hard rocks. The hardness of Basalt is 6 whereas …
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