Search Results - alternative rock
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Rock abrasivity using cerchar abrasivity index (CAI) as an alternative to rock material characterization / Noorul Iqhlima Najwa Ismail
Published 2014“…Demands towards underground tunneling as an alternative to sustainable infrastructures has led to studies of rock abrasivity using Cerchar Abrasivity Test. …”
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Plasma blasting of rocks and rocks-like materials: An analytical model
Published 2022“…Plasma blasting technology (PBT) is a potential alternative to chemical blasting and mechanical cutting methods for fragmentation of natural rocks, concrete, geopolymers, and other rocks-like materials. …”
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Fluid substitution in heavy oil rocks
Published 2018“…In this paper, we use effective-medium approach known as coherent potential approximation or CPA as an alternative fluid substitution scheme for rocks saturated with viscoelastic fluids. …”
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Fluid substitution in heavy oil rocks
Published 2008“…In this paper, we use effective-medium approach known as coherent potential approximation or CPA as an alternative fluid substitution scheme for rocks saturated with viscoelastic fluids. …”
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Rock point load test (PLT index) and its correlation with rock coring rate of bored pile machine
Published 2023“…Owing to the timeconsuming, tedious and expensive testing procedure of UCS, point load test (PLT) on irregular lump samples has appeared to be the best alternative test to ascertain rock strength, which can be performed on-site or off-site. …”
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Rock point load test (PLT index) and its correlation with rock coring rate of bored pile machine
Published 2023“…Owing to the timeconsuming, tedious and expensive testing procedure of UCS, point load test (PLT) on irregular lump samples has appeared to be the best alternative test to ascertain rock strength, which can be performed on-site or off-site. …”
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Investigation on different vertical aerated rock filter (vertical aerated rock filter) in removing phosphorus from domestic wastewater
Published 2021“…Nutrients in the water body encourage the growth of algae which can accelerate eutrophication. Rock filter (RF) has appeared as an alternative technology to remove phosphorus from wastewater. …”
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Fluid substitution in rocks saturated with viscoelastic fluids
Published 2010“…We use an effective-medium approach known as coherent potential approximation (CPA) as an alternative fluid-substitution scheme for rocks saturated with viscoelastic fluids. …”
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Application of vertical seismic profiling for the characterisation of hard rock
Published 2013“…However, the seismic images generated from hard rock targets are complex due to high rock velocities, low contrasts in elastic rock properties, fractionated geology, complicated steep dipping structures and mineralogical alterations. …”
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An approach to joint roughness measurement in Rock-A comparative study
Published 2001“…The outcome of this study, clearly shows that photogrammetry exhibits several positive characteristics as an alternative method for measuring surface texture of joint in rock. …”
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Pore-scale digital rock physics for poroelastic parameter determination
Published 2019“…This process yields an accurate drained pore modulus. We then use an alternative estimate of the drained pore modulus. We exploit its relation to the drained bulk modulus and the solid phase bulk modulus (i.e., Biots coefficient) using the digital rock workflow. …”
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Effect of fluid viscosity on elastic wave attenuation in porous rocks
Published 2002“…Attenuation and dispersion of elastic waves in fluidsaturated rocks due to pore fluid viscosity is investigated using an idealized exactly solvable example of a system of alternating solid and viscous fluid layers.Waves in periodic layered systems at low frequencies can be studied using an asymptotic analysis of Rytov's exact dispersion equations. …”
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Assessing an artificial wetland in Putrajaya, Malaysia, as an alternate habitat for waterbirds
Published 2013“…The findings of this research indicate that artificial wetlands can provide an alternative habitat for the foraging and breeding activities of different bird assemblages.…”
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Rock-fluid interactions in geothermal reservoir systems and the implications for carbon sequestration
Published 2022“…This thesis aims to examine whether andesitic rock samples are likely to be good targets for permanent carbon sequestration via mineral trapping, as an alternative to basaltic-type reservoirs which have been proven to be successful. …”
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Moving perforation of rocks using long pulse Nd:YAG laser
Published 2017“…© 2017Laser perforating is a new method in oil and gas wells where researchers look for an alternative to explosive methods. One of the important problems with this method is the generation of uniform and cylindrical holes at a selected pitch for enhancing the permeability of rocks. …”
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Characterisation of cement-treated crushed rock basecourse for Western Australian roads
Published 2011“…This is quantified by measuring the UCS gained from the cement treatment.Nevertheless, using UCS to classify cement treated crushed rock is injudicious and does not portray the insitu behaviour and characteristics of cement treated crushed rock basecourse. …”
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Hydroponic on rock melon using deep flow technique (dft) system
Published 2025“…The findings suggest that hydroponics can enhance fruit quality and yield while mitigating environmental challenges, positioning it as a sustainable alternative for rock melon production in Malaysia. The AB mix solution used in this study provided essential macro and micronutrients for optimal plant growth, consisting of two components; A and B that were mixed in water to create a complete nutrient solution. …”
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Numerical modelling investigation of rock mass behaviour under gravity dams
Published 2015“…Since it is difficult to study rock mass behaviour at a large scale in the laboratory, the numerical modelling technique is an alternative method which can be used efficiently in this field. …”
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Biological control of fusarium wilt of rock melon using effective microbes
Published 2015“…The use of effective microbes obtained from the rhizosphere to suppress soil borne plant pathogens has received greater attention in recent decades as an alternative to chemical fungicides. This study was conducted to explore the effects of effective microbes (EMs) from the rhizosphere of rock melon as bio- control agents (BCAs) against Fusarium wilt caused by Fusarium oxysporum f. sp. melonis (Fom). …”
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