Mechanical properties and microstructure of basalt fibre and nano
The relative residual splitting tensile strength increases as the basalt fibre content increases. Nano-silica is generally beneficial to the improvement of the compressive strength at different temperatures. ... The compressive strength decreases significantly in the range of 400–600 °C, and the decrease range is mostly between 40% and 60% ...
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Engineering, Mechanical and Dynamic Properties of Basalt Fiber
The MOE of basalt fiber concrete is affected by the compressive strength, and there is no significant impact on the damping ratio of concrete with the addition of basalt fiber. This study is the first to demonstrate the essential parameters of mechanical and dynamic properties of basalt fiber concrete through experimental studies.
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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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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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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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Compressive strength prediction of basalt fiber reinforced …
The above research mainly uses test methods to explore the compressive strength of basalt, but the test methods are time-consuming and labor-intensive, and the instrument materials are expensive. To solve the limitations of experimental methods, some scholars apply machine learning methods to concrete prediction [16], [17], [18].
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Unconfined Compressive and Splitting Tensile Strength of Basalt …
The test results show that both the unconfined compressive strength (UCS) and splitting tensile strength (STS) at a given basalt fiber content increase significantly with increasing calcite content, whereas the axial strain of the peak …
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Influence of Basalt and Geo-Textile Fiber Wrapping on Compressive …
Findings: The addition of 0.5 % and 1% of HDPE fillers in M30 grade concrete has a significant impact on compressive strength by up to 6% and flexural strength by 20% when compared to conventional concrete. Improvement: Wrapping concrete beam samples with Basalt and Geotextile fiber along with HDPE fillers exhibits an increase in compressive ...
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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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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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Optimizing fiber-reinforced flexible concrete blankets: A study on
Based on the data in Table 7, the factors influencing the compressive strength of the basalt fiber cement matrix are ranked by their range R values from largest to smallest as follows: fiber content > fiber length > water-cement ratio. This indicates that fiber content exerts the most significant impact on compressive strength, followed by ...
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Experimental Study on Unconfined Compressive Strength of …
Advances in Materials Science and Engineering T : Physical-mechanical behaviors of basalt ber. Density/(g/cm 3) Elastic modulus/GPa Elongation at break/% Tensile strength/MPa Length/mm Filament diameter/ m T : Physical behaviors of clay soil.
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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 …
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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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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. ... Several studies reported results for 12 mm long basalt ...
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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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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 ...
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Compressive Strength of Rocks
Explore a comprehensive table of compressive strength values for different rocks in both SI (MPa) and US customary (psi) units.
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Experimental study on mechanical properties of basalt fiber …
Fiber reinforcement technology can significantly improve the mechanical properties of soil and has been increasingly applied in geotechnical engineering. 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. In this paper, we …
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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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Estimation of Compressive Strength of Basalt Fiber-Reinforced …
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). The aim of this study is to estimate the results closest to the data obtained through experimental studies without the need for experimental studies. The literature review …
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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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Rock mass properties
Brown criterion for estimating the strength and deformability of jointed rock masses, three 'properties' of the rock mass have to be estimated. These are: ξ uniaxial compressive strength …
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Compressive strength of lightweight expanded polystyrene …
PSC, particularly compressive strength. EPS with diameter from 1 mm to 2.5 mm is less likely to affect the compressive strength of concrete [26]. Thus, using this EPS 's particle size does not significantly affect compressive strength of PSC with equal …
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(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 ...
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Limits on strength and deformation properties of jointed basaltic …
Corresponding values for a basaltic rock mass that incorporate the weakening effects of scale are deformation modulus, 10–40 GPa; Poisson's ratio, 0.3; tensile strength, −0.1 to −2.5 MPa; …
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The Effect of Basalt Aggregates and Mineral Admixtures on the
1.1. Physical, Chemical and Mechanic Properties of Diyarbakir Basalt. Diyarbakır and Karacadağ mountain basalt, found locally in deposits as thick as 150 m cover an area of 10,000 km 2 in Southeast Anatolia, Turkey and occur approximately a half meter below the soil cover or as a surface cover. The creeping basalt flow from Karacadağ volcano that formed …
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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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(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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