Experimental investigation on the effects of microwave irradiation
2021年4月1日 When investigating the strengths of basalt, norite, and granite samples subjected to various MW power levels and exposure times, they discovered that increasing the power
MoreGeotechnical Modelling for Kimberlite Pipes - University of
Type B was designed to provide tough but deformable reinforcement for kimberlite drifts in which moderate to high levels of peripheral rock mass deformation are expected, hence in ground
MoreRockbursting Potential of Kimberlite: A Case Study of Diavik
2017年8月8日 Kimberlite samples collected from Diavik, a diamond mine in northern Canada, were tested to define the rock’s uniaxial compressive strength, tensile strength, and
MoreSTRENGTH PROPERTIES OF ROCKS AND ROCK MASSES
The maximum ordinate of the curve (Point C) that marks the transition between strain hardening and softening is called the unconfined compressive strength of the rock and is denoted as C
MoreCompressive strength prediction of basalt fiber reinforced
2022年3月1日 First, the compressive strength tests of BFRC under different stress states were performed at fiber volume fractions of 0.2%, 0.4%, 0.6% and fiber lengths of 6 mm, 12 mm
MoreEmpirical models for compressive and tensile strength of basalt
2023年11月14日 To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using gene
MoreCover SEPT - SciELO
The kimberlites have sharp contacts with the basalt country rock and are characteristically carrot-shaped in section, comprising volatile-rich, potassic, and ultrabasic igneous rocks. The
MorePaper: Geotechnical Modelling for Kimberlite Pipes
During the Koala Sublevel Caving feasibility study, indicative kriging was used as part of the geotechnical characterisation and modelling process, to aid in the assessment of kimberlite
MoreMicrowave heating of dry and water saturated basalt, granite and ...
2010年2月25日 Sandstone, granite, and basalt are chosen as the rock materials where basalt has the relatively highest absorption strength in the dry state. The effect of the microwaves at
MoreCompressive stress–strain relationship and its variability of basalt ...
2024年7月23日 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 fiber content on the
MoreUnconfined Compressive Strength Characteristics of Treated Peat
2022年5月1日 Unconfined Compressive Strength Characteristics of Treated Peat Soil with Cement and Basalt Fibre. ... and 1.5 % basalt fiber raised compressive strength by 44 %, 51 %, and 41 %, respectively. ...
MoreKimberlite Properties, Composition and Formation
2023年4月23日 Diamond in kimberlite Kimberlite (Jericho Kimberlite, Middle Jurassic). Kimberlite is an igneous rock that major source of diamonds.Kimberlite is a variety of peridotite.It is rich in mica minerals
MoreEmpirical models for compressive and tensile strength of basalt
2023年11月14日 Scientific Reports - Empirical models for compressive and tensile strength of basalt fiber reinforced concrete. Skip to main content. Thank you for visiting nature.
MoreMechanical relationship between compressive strength and
2024年1月12日 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.
MoreCombined effect of basalt and polypropylene fibers on compressive ...
2023年3月16日 This study examines the compressive strength of two concrete mixes (M25 and M20) enhanced with basalt fiber and polypropylene fiber. The experiment investigates the impact of each fiber ...
MoreDynamic Split Tensile Strength of Basalt, Granite, Marble and
2022年9月28日 The aim of this study is to understand the strength behaviour and fragment size of rocks during indirect, quasi-static and dynamic tensile tests. Four rocks with different lithological characteristics, namely: basalt, granite, sandstone, and marble were selected for this study. Brazilian disc experiments were performed over a range of strain rates from ~ 10–5 /s to 2.7 ×
More(PDF) Experimental investigation on the effects of microwave ...
2020年10月1日 This study is a part of an overall research project on the effects of microwave (MW) irradiation on rocks for assisted rock breaking systems as well as mineral processing at McGill University.
MoreCompressive Strength Prediction of Basalt Fiber Reinforced
2024年8月28日 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
MoreNew correlations between uniaxial compressive strength and
2014年7月31日 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 ...
MoreUnconfined Compressive and Splitting Tensile Strength of Basalt
2019年7月2日 AbstractThe strength properties of basalt fiber–reinforced biocemented (BFRB) sand specimens with various calcite contents and fiber contents are investigated through a series of unconfined compressive and splitting tensile tests. Reverse injection is ...
MoreCOMPARATIVE STUDY OF EFFECT OF BASALT, GLASS
AS per our results the maximum compressive strength is obtained for 0.5% for every fiber and among these three C. Colombo, L. Vergani, M. Burman, “Static and fatigue characterisation of new basalt fibre reinforced composites”,
MoreExperimental Investigation on the Effects of Microwave Treatment
2019年2月15日 Microwave energy can be used to assist mechanical rock breakage for civil and mining engineering operations. To assess the industrial applicability of this technology, microwave heating of basalt specimens in a multi-mode cavity (a microwave chamber) at different power levels was followed by conventional mechanical strength and fragmentation effect tests in the
MoreUniaxial compressive strength ( c) and deformation modulus of
Uniaxial compressive strength ... Basalt 145 50 347 25 207 82 395 3 (17) Diabase, dolerite 229 88 384 13 152 81 537 5 15.2 Hyperite - - - - 245 108 441 2 ure Graywacke 81 25 310 12 - - - - Sandstone 109 28 257 95 147 28 189 5 18.8 Siltstone 89 31 350 14 - - - - 9. ...
MoreLimits on strength and deformation properties of jointed basaltic
A study of strength and deformation measurements for basaltic rocks, along with consideration of the influence of fracturing using a rock mass classification system, documents the range of brittle response for basaltic rock masses. Although basalts vary widely in composition and other physical factors, many of the properties of a basaltic rock mass appear to vary within a factor of about
MoreComparative Study on Effect of Basalt and Glass Fiber on
Fig.1 shows the compressive strength details of basalt and glass fiber reinforced concrete. It shows that the compressive strength of glass and basalt fiber reinforced concrete was increased considerably when comparing to control mix. But there is no maximum difference in compressive strength of glass and basalt fiber concrete.
MoreStrength and ductility of reinforced concrete using basalt fibre ...
2023年10月11日 This manuscript proposes a strength and ductility of reinforced concrete (RC) using basalt fibre-reinforced polymers (BFRP). The lightweight materials like fibre-reinforced polymers (FRPs) are providing superior structural performance and durability in reinforced concrete members over traditional materials. Due to its light weight property, they are
MoreCompressive strength prediction of basalt fiber reinforced
2024年6月12日 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 ...
MoreUnconfined Compressive and Splitting Tensile Strength of Basalt
Abstract: The strength properties of basalt fiber–reinforced biocemented (BFRB) sand specimens with various calcite contents and fiber contents are investigated through a series ofunconfined ...
More(PDF) Compressive strength of lightweight expanded polystyrene basalt
2020年1月1日 The concrete without fiber showed the best compressive strength followed by the concrete with dispersed polypropylene fiber. ... • Hard chopped basalt fiber of diameter 1 milli meter = 42 grams ...
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