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Failure mechanics mechanisms and permeability stage evolution of limestone considering wave velocity and failure surface characteristics
Published 2025-02-01“…The results demonstrate that the original cracks in thin limestone are more developed and have a gully-like structure at the mesoscopic scale than those in Ordovician limestone. …”
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Experimental Study on Dynamic Mechanical Properties and Energy Evolution Characteristics of Limestone Specimens Subjected to High Temperature
Published 2020-01-01“…To study the effect of high temperature on the dynamic mechanical properties and energy evolution characteristic of limestone specimens, the basic physical parameters of limestone specimens that cool naturally after experiencing high temperatures of room temperature (25°C), 200°C, 400°C, and 600°C were tested. …”
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Strain Rate Effect on Acoustic Emission Characteristics and Energy Mechanisms of Karst Limestone under Uniaxial Compression
Published 2020-01-01“…The energy evolution of the karst limestone failure process had significant stage characteristics, and the strain energy ratio presented an S-shape. …”
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Evaluation of fertilization strategies for the establishment and productivity of Xaraés grass
Published 2024-11-01Subjects: “…Limestone…”
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Diagenetic Modifications and Reservoir Heterogeneity Associated with Magmatic Intrusions in the Devonian Khyber Limestone, Peshawar Basin, NW Pakistan
Published 2021-01-01“…Numerous dolerite intrusions are present in the studied carbonate successions, where the host limestone was altered to dolomite and marble, and fractures and faults developed due to the upwelling of the magmatic/hydrothermal fluids along pathways. …”
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Effects of Nano-CaCO3/Limestone Composite Particles on the Hydration Products and Pore Structure of Cementitious Materials
Published 2018-01-01“…If nano-CaCO3 modifies the surface of micron-scale limestone powder (LS), then it will form nano-CaCO3/limestone composite particles (NC/LS). …”
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Cretaceous Limestone Dolomitization and Argument of Its Mg2+ Sources: Exampling the Bekhme and Qamchuqa Formations in the Zagros Collision Belt
Published 2024-06-01“…Sixth is the succession of BQFs underlain by limestone and green marl devoid of dolomitization and hydrothermal upward movement. …”
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Experimental Study on Mechanical Property and Pore Distribution of Limestone Specimens after Heat Treatment under Different Heating Conditions
Published 2021-01-01“…In this study, approximate vacuum (V) and air circulation (A) heating condition are, respectively, applied on the limestone specimens in the whole heating process. Then, physical, mechanical, and nuclear magnetic resonance (NMR) tests were carried out to investigate the effect of heating conditions on the rock properties. …”
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Method of Calculating Secondary Porosity of Reef Limestone Reservoir by Casting Thin Section Calibrating Nuclear Magnetic T2 Spectrum
Published 2021-01-01“…We present a new method for calculating secondary porosity of reef limestone reservoir by the nuclear magnetic resonance T2 spectrum which is calibrated by casting thin section. …”
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A Comprehensive Investigation on the Influence of Zeolite, Pumice, and Limestone Powder on the Characteristics of Eco-Friendly Calcium Aluminate Cement Mixes
Published 2023-01-01“…The current research aims to investigate the influence of pumice, zeolite, and limestone powder as supplementary cementitious materials (SCMs) on the characteristics of calcium aluminate cement (CAC) composites. …”
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Immobilization of Cd, Zn, and Pb from Soil Treated by Limestone with Variation of pH Using a Column Test
Published 2015-01-01“…This study examined the leaching characteristics of limestone used as a stabilization agent when subjected to solutions of differing pH. …”
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Même et autre : de White Rock Line (1990) à White Rock Line (1990, remade 2014)
Published 2024-10-01Subjects: Get full text
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Replacement of lime with industrial wastes in hot metal desulfurization mixtures
Published 2022-01-01Subjects: Get full text
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Improvement of the Early-Age Compressive Strength, Water Permeability, and Sulfuric Acid Resistance of Scoria-Based Mortars/Concrete Using Limestone Filler
Published 2017-01-01“…This study is an attempt to investigate the effect of adding limestone filler on the compressive strength and durability of mortars/concrete containing scoria. …”
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Effects of Incorporation of Marble Powder Obtained by Recycling Waste Sludge and Limestone Powder on Rheology, Compressive Strength, and Durability of Self-Compacting Concrete
Published 2019-01-01“…The main purpose of this work is to evaluate the marble filler effects on the rheology in the fresh state and on the hardened properties of SCCs compared to those of limestone filler. To this end, two SCCs, SCCM and SCCL, manufactured using marble powder and limestone filler, respectively, were prepared and tested. …”
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Design and Prototyping of a Dust Extraction System with a Suppression Mechanism: A Case Study of Limestone Dust on Small Scale Mines
Published 2023“…The dust collection system was designed to avoid the circulation of dust from the point source and the case study was the small scale limestone quarries located in kasese. The designed dust collection system comprises of the hood for capturing the dust from a point source, a cyclone for separating dust using centrifugal force, a hopper for breaking the vortex and an airtight container for collecting the dust. …”
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Chemical Fingerprints for PM2.5 in the Ambient Air near a Raw Material Storage Site for Iron Ore, Coal, Limestone, and Sinter
Published 2020-12-01“…Abstract To understand the contributions of a raw material storage site for iron ore, coal, limestone, and sinter to ambient air fine particulate matter (PM2.5), the concentrations and chemical fingerprints for resuspended and ambient air PM2.5 were compared. …”
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Restaurer ou refaire ? Une étude sur White Rock Line et son devenir
Published 2024-09-01Subjects: Get full text
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