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 …

Normal variation of compressive strength and the factor m in Hoek-Brown failure criterion for some rocks (data from Hanssen, 1988; Hoek and Brown, 1980 and Hoek et al., 1992). Rock …

The bond strength between basalt fibers and asphalt binders is an important parameter that can be used to evaluate the influence of basalt fibers on the mechanical properties of asphalt binders and asphalt mixtures. To date, however, there remains a lack of methods that can be used to assess the bond strength between basalt fibers and asphalt binders. This study …

DOI: 10.1061/(ASCE)GT.1943-5606.0002108 Corpus ID: 198400331; Unconfined Compressive and Splitting Tensile Strength of Basalt Fiber–Reinforced Biocemented Sand @article{Xiao2019UnconfinedCA, title={Unconfined Compressive and Splitting Tensile Strength of Basalt Fiber–Reinforced Biocemented Sand}, author={Yang Xiao and Xiang He and T. …

The compressive strength prediction of Basalt Fiber Reinforced Concrete (BFRC) is a complex task influenced by numerous factors. For traditional empirical formula methods, difficulties such as the ...

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

Basalt fibers offer potential benefits by improving the energy absorption capacity and impact resistance of concrete structures, enhancing their resilience. This research investigates the influence of incorporating basalt fibers on the compressive and flexural strength of concrete, as well as its resistance to impact loads. The study involved casting 15 cylinders …

Uniaxial compressive test is used to determine uniaxial compressive strength, Poisson's ratio, and Young's modulus. Uniaxial compressive test is also ca lled unconfined compressive test.

Download Citation | Compressive strength prediction of basalt fiber reinforced concrete via random forest algorithm | Basalt fiber is a green non-polluting material with strong tensile mechanical ...

Compressive strength prediction of Basalt Fiber Reinforced Concrete (BFRC), an advanced building material that combines performance and sustainability, is a complex task influenced by many factors. In this study, the compressive strength of BFRC is predicted using four tuned machine learning models, namely, Support Vector Machine (SVR), Random Forest …

The 15 wt% basalt fibers added to geopolymer composites aged 7 days has shown the highest compressive strength at 47 MPa with the Ca/Si ratio=1.3 (Fig. 10), whereas the 10 wt% basalt fibers added to geopolymer composites at 28 days aged has shown the highest compressive strength of 48 MPa with the Ca/Si ratio=0.97 (Fig.11). It could be drawn ...

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compressive strength was found in the samples with high Ca/Si ratio. It is suggested that basalt fibers are one of the potential candidates as reinforcements for geopolymer composites development.

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 ...

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 density from …

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 powder-based and basalt powder/slag blends …

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 surface area. The …

Tensile Strength (MPa) 240-900 Elongation at break (%) 15-18 Acid/Alkali resistance High 2. Experimental: 2.1 Materials: In this study two mixes M25 and M20 had been studied with basalt ...

The averaged compressive strength at a loading rate of 0.01 mm/min (corresponding to 2.26 × 10-6 /s) is used as the reference quasi-static strength. Specimens with failure plane angles between 50 and 70° are considered. ... Low-speed compression tests show the heterogeneous properties of the Kalgoorlie basalt whose compressive strength is ...

The concrete without fiber showed the best compressive strength followed by the concrete with dispersed polypropylene fiber. ... likely to affect the compressive strength of concrete [26 ...

In book: Compressive Strength of Concrete [Working Title] Authors: Saman Hedjazi. Georgia Southern University; Download full-text PDF Read full-text. Download full-text PDF. Read full-text.

The axial compressive behavior of Ultra-High Strength Concrete (UHPC) columns reinforced with basalt bars was investigated in this work. Only a few research projects have used basalt Reinforced Concrete Columns. Under axial stress, 12 columns of 150 × 150 mm in cross section and 1200 mm in height manufactured of M120 grade UHPC, incorporating glass …

Uniaxial compressive strength ( ... Basalt 145 50 347 25 207 82 395 3 Diabase, dolerite 229 88 384 13 152 81 537 5 Hyperite - - - - 245 108 441 2 ... 89 31 350 14 - - - - ne-s Hornfels 111 74 …

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 temperatures, as well as …

Experimental Study on Unconfined Compressive Strength of Basalt Fiber Reinforced Clay Soil LeiGao,GuohuiHu,NanXu,JunyiFu,ChaoXiang,andChenYang ... F : Stress-strain curves of uncon ned compressive strength for the samples. device produced by Nanjing Soil Instrument Manufacturer. econtrollingstrainrateis. mm/minandthetestfor

Uniaxial compressive strength ( ... Basalt 145 50 347 25 207 82 395 3 Diabase, dolerite 229 88 384 13 152 81 537 5 Hyperite - - - - 245 108 441 2 ... 89 31 350 14 - - - - ne-s Hornfels 111 74 668 3 - - - - Claystone 5 2 301 2 - - - - Phyllite 39 26 672 4 61 46 756 12 Chalk 1 21606 Marl, marlstone 17 2 133 9 - - - -

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.

studies, the brittle strength of a rock or rock mass may be approximated by 0-1 = 0-3 4- /micro0- 3 4-S0- 2, (2) in which 0-1 and 0-3 are the greatest and least principal stresses at the initiation of fracture, 0-c is the unconfined compressive strength of intact basalt, and m i and s

Measuring the uniaxial compressive strength (UCS) and the tangent Young's modulus (E t) in the laboratory requires premium quality specimens with special core …