:Basalt Fiber Mechanical PropertiesBasalt Fiber in Concrete · The kinds of fibers, their geometries, orientations, and densities affect the concrete’s qualities. In recent years, it has been discovered that basalt fibers (BFs) in
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· The samples were tested in accordance with ISRM (1985) specifications. Correlations between the uniaxial compressive strength (UCS) and the point load strength index (Is.50) were developed. It was
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ORIGINAL ARTICLE Alkali-activated basalt powder/slag systems: compressive strength and microstructural characterization Busra Akturk . Bilal Umut Ayhan Received: 18 September 2022/Accepted: 2 April 2023/Published online: 25 April 2023 The Author(s), under
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· Abstract. 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.
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· Journal of Geophysical Research: Planets is an AGU planetary science journal publishing original research articles spanning planetary geology, geophysics, geochemistry, atmospheres, and exoplanets. 1 Introduction [2] A fundamental goal of geologic exploration on any planetary body is to determine the origin and evolution of
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· Fibres are used in concrete to improve its structural integrity. Nowadays, among all basalt fibres, an inert mineral fibre is gaining more importance due to its exceptional properties, which include resistance to corrosion and low thermal conductivity. It also improves tensile strength, flexural strength and toughness of concrete. It can be
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7 · This experimental study presents the influence of basalt fiber on the rheological and mechanical properties and the durability behavior of self-compacting concrete
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:Compressive Strength of BasaltSolid MechanicsPublish Year:2019In 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
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In the austral winter of 1979-80, a German Antarctic expedition was sent by ship to the Filchner and Ronne ice shelves in order to find a suitable site for the establishment of a permanent Antarctic station. During this expedition, investigations were carried out on sea
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PDF | Basalt was used as an ornamental stone in many historic and ancient cities in Jordan. Measuring the uniaxial compressive strength (UCS) and the | Find, read and cite all the research you
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· To explore the mechanical properties and damage characteristics of basalt under high temperature and high pressure, triaxial compression tests are conducted on thermal damage rock samples, and the evolution process from progressive damage to macroscopic failure of rock is tracked and quantified by CT image reconstruction and
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:Compressive Strength of BasaltBasalt Fiber Mechanical PropertiesAfter 2 days, the biggest reduction in CS— from 15.5 to 18.2%—occurs when the fiber concentration rises from 2 to 10 kg/m3. After 7 and 28 days of curing, a comparable
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:Compressive Strength of BasaltPublish Year:2020 · Peak strength in each test ( θ = 0°, 5°, 10° or 15°) is determined by the maximum axial stress the rock specimen can sustain. The rock elastic modulus in each
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· Granite is a common construction material that is widely used in the various types of structures, but its dynamic behavior is not clearly understood. To investigate the uniaxial compressive behavior of the granite under high strain rates compression, three groups of specimens with the same aspect ratio (0.5) but different diameters were tested
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· Compressive test results showed basalt fiber could increase compressive strength at elevated temperatures. The optimal basalt fiber volume fraction was 0.8%, whereby compressive strength was higher than that of control PVA-ECC by 62.05%,
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Measurements of deformation modulus and Poisson's ratio of 2m blocks of jointed basalt, in conjunction with experimental work on heated andgranulated marble, were used byDOE (1988) to modify thestrength envelope derived from intact basalt fora fractured basaltic rock mass. They obtained values of rock mass parameters m = 22.34 ands = 0.00421.
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· 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
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· The unit weight, water absorption by weight, effective porosity and UCS were determined by tests on 20 core samples of 5 different rock types according to the ISRM suggested standard (ISRM, 1981).The test results are listed in Table 3.It can be seen from Table 3 that, for the ignimbrite, the highest average dry unit weight of 19.08 kN/m 3 is
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Geomechanical rock properties of a basaltic volcano. Lauren N. Schaefer 1* Jackie E. Kendrick 2 Thomas Oommen 1 Yan Lavallée 2 Gustavo Chigna 3. 1 Department of Geological and Mining Engineering and Sciences, Michigan Technological University, Houghton, MI, USA. 2 Department of Earth, Ocean and Ecological Sciences, University
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View in full-text. Context 2. seen in Table 1, ranges of basalt samples from 18 different locations are 2.71 -1.72 g/ cm 3 for density, 0.91 -12.95% for porosity, 145.15 -17.2 MPa for uniaxial
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Li et al. (2021), Amiri et al. (2019) and Xia et al. (2022) also studied the uniaxial compression behavior of sandstones. Malik et al. (2018) and Zhang et al. (2020) performed dynamic compressive
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· The low tensile capacity of concrete often results in brittle failure without any warning. One way to cope with this issue is to add fibers and essentially improve the tensile strength (TS) behavior of concrete and offset its undesirable brittle failure. In recent investigations, basalt fibers (BFs), as compared to a variety of other kinds of fiber, have
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· To study the effects of basalt fibers (BFs), calcium sulfate whiskers (CSWs), and modified calcium sulfate whiskers (MCSWs) on the compressive strength and dynamic modulus of elasticity of concrete, this paper utilizes Mercury Intrusion Porosimetry (MIP) to measure the microstructure of concrete and calculate the fractal dimension of pore
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Engineering characteristics of main rock material:-Geological name, (type of rock)-Orientation of foliation/bedding/layering-Anisotropy, (schistosity, foliation, bedding)-Weathering or alteration-Strength Other characteristics of rocks : Folding, colour, mineral size and texture, porosity, density.
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· 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
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· The size of the test piece in the three-axis closed test of the MTS816 rock testing system is 50100 mm, and the device is shown in Fig. 4: A closed hydraulic oil pressure is used to apply a certain confining pressure to the test piece, and the deformation of the test piece is measured with a circular and radial displacement meter.
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Uniaxial compressive strength is widely used in the slope stability analysis and in the design of foundations and tunneling in rocks. Uniaxial compressive strength is also used in rock mass rating
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· Aggregates are necessary materials for the construction industry. Owing to their favourable properties, andesites are frequently used rock materials; hence, the investigation of their mechanical and aggregate properties has great significance. This paper introduces the analyses of 13 Hungarian andesite lithotypes. The samples were
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:Compressive Strength of BasaltPublish Year:2021 · After 2 days, the biggest reduction in CS—from 15.5 to 18.2%—occurs when the fiber concentration rises from 2 to 10 kg/m 3. After 7 and 28 days of curing, a
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· An introduction of the novel rock property testing system, termed the combined compression and shear test (C-CAST) system, is given in Sect. 2.1.Then the C-CAST system is used to study mechanical properties of basalt specimens at various inclination angles.
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