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(PDF) Using of Local Limestone as Aggregate in Concrete
2012.3.31 Last Updated: 13 Jul 2023. PDF This research deals with the field investigations and construction properties for using limestone as a lightweight course
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Multi-scale investigation of the performance of limestone in concrete ...
2015.1.30 The efficacy of the limestone powders in this regard is particularly noticeable in the case of the white cement in Fig. 3, where in several cases, the height of
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The effects of limestone aggregate on concrete
2021.8.2 aggregate 2.1. Limestone in USA In USA most of limestone mined is crushed for aggregate[1]. During the past 50 years most of crushed stones have been
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(PDF) Design and Preparation of White High
2022.5.7 Last Updated: 02 Jul 2023. PDF This paper investigates the properties of white high-strength concrete (WHSC) prepared with ground limestone powder (GLP). Response surface... Find, read...
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Synergistic Effects of SAP, Limestone Powder and White Cement
2023.11.6 Appearance of fair-faced concrete with different limestone powder contents. (a) W-0: 0% white cement, (b) SW: 50% white cement, 0.2% SAP, (c) LSW-10:
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Multi-Scale Investigation of the Performance of
Finally, this study of the influence of limestone on cement hydration and performance is extended to a larger length scale by considering the impact of aggregate type (limestone
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Design and Preparation of White High-Strength
2022.5.7 Thus, many studies have been performed to reduce the cost of white concrete without significantly sacrificing performance. It was found by Lübeck et al. [5]
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(PDF) Multi-scale investigation of the performance
2014.11.26 Limestone (calcium carbonate, CaCO3) has long been a critical component of concrete, whether as the primary raw material for cement production, a fine powder added to the binder component, or...
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Design and Preparation of White High-Strength Concrete
2022.5.7 HHS Vulnerability Disclosure. This paper investigates the properties of white high-strength concrete (WHSC) prepared with ground limestone powder (GLP).
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Limestone Characteristics, Formation, Texture,
Most limestones have a granular texture. Their constituent grains range in size from 0.001 mm (0.00004 inch) to visible particles. In many cases, the grains are microscopic fragments of fossil animal shells. Limestone has
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Effects of different industrial waste materials as
2021.3.1 The conventional concrete is made up of cement, fine aggregate, coarse aggregate and water, and the effect of aggregate in concrete properties are very important [2]. The widely used fine aggregate in most country is the river sand and due to high demand, this natural material is dwindling with time and its cost is increasing by day [[2],
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IOP Conference Series: Materials Science and
2021.11.2 Limestone as a gross aggregate of 5%, 10%, 15%, and 20%. The number of samples used for ... For concrete asphalt mixtures, polyethylene and latex 8 KKK additives content of 2% gives results ... does not show weathering and can be carried away. Physically chalk is a white and smooth object, [16]. The basic ingredient of Limestone is
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Dolomite Aggregate - an overview ScienceDirect Topics
The formula they obtained composed by Portland limestone cement, recycled nylon fibers, and dolomite aggregates as raw materials was a high-performance concrete used as thermal storage material. ... On the other hand, the maximum weight loss reached 96.2% for the mixture of size 12.5 mm and expressing an aggregate-cement ratio of 5.0. According ...
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The effects of limestone aggregate on concrete properties
2010.12.1 The ratio of limestone as aggregate in the concrete in 1974 was only 1.3%. Since then, the shipments and the usage of limestone have increased every year with the demand of concrete and the shortage of other natural aggregates as illustrated in Fig. 2. The ratio of limestone as aggregate exceeded 8% in 2003. Download : Download full-size
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Evaluation of the Efficiency of Limestone Powder in Concrete
2018.2.21 The major environmental impact of concrete comes from the CO2 emissions, produced during the cement manufacturing process. The main goal of this research project is to evaluate the efficiency of limestone powder as a partial cement replacement, in order to reduce energy consumption and CO2 emissions. This study
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(PDF) Comparison of Dimension Limestone Waste Coarse
2022.9.1 Concrete mixes with different types of coarse aggregates like dimension limestone waste, sandstone, basalt, and quartz are prepared at three different water cement ratio that are 0.35, 0.45, and 0 ...
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Potential of dolomite industrial waste as construction material
2021.7.17 Several literature interpretations discovered the potential of dolomite waste powder as a cement replacement in concrete [72, 85, 86].Balakrishnan and Paulose [] investigated the consequence of the self-compacting concrete (SCC) with dolomite powder (DP) as a partial substitute for cement and fly ash (FA).The maximum compressive
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Infrastructures Free Full-Text Effect of Coarse Aggregate
This work presents a discussion of the basic properties of broken mineral limestone aggregates with the specification of the properties affecting the fracture toughness of concretes made with these aggregates. To determine the influence of the grain-size distribution of coarse aggregates for each concrete series, two types of aggregate grain
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Influence of Rock Dust Additives as Fine Aggregate
2022.4.18 2. Rock Dust Characteristics. Aggregate is defined by the European standard EN 12620 [] as granular materials of natural, manufactured, and recycled origin used in the construction industry.Similar definitions are provided from various ASTM standards [25,26].The aggregate grains are originally part of the parent rock and are
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Effect of limestone powder on strength permeability of
Mineral Chemical Corporation) is summarised in Table 1. The white-grey limestone powder had a specific gravity of 2.70 and the main constituent was calcium oxide. ... Mix no. W/B Water Cement Limestone powders Fine aggregates OPC 0.40 210 525.0 0 1,684 ... Th e properties of the fine aggregate were specific gravity (2.65), water absorption (1. ...
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LQ,UDT - IOPscience
2022.9.3 that carbon dioxide is much lower in limestone pr oduction than cement production. Limestone fillers result in more stable concrete quality thus reducing the amount of waste and improving durability which leads to a longer life for concrete [47-50]. The ratio of limestone as aggregate in concrete was only 1.3%. (in 1974). Since then, the shipments
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Evaluation of concrete made with crushed limestone aggregate based
2008.6.1 Taking the population – that includes 100 concrete mixtures – a regression analysis between pulse velocity (V) and compressive strength (R) was performed, obtaining a correlation coefficient equal to 0.78 by using an exponential model which is the best fitted for the relationship under study.Eq. (1) shows the obtained model. (1) R = 0.5697 e 0.001
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Study on the Characteristics of Sandstone and Feasibility to
2022.8.16 2.1.2 Aggregate (1) Sandstone. Sandstone along Huang-Yan expressway is a typical sedimentary rock. Due to the difference of composition, the color and density of various sandstones are also quite different (Fig. 1).Table 4 shows the composition and chemical composition. Its main components are quartz, clay and so on, with lower
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2022.6.1 Elçi (2016) showed that fresh concrete density of (wall floor) tile concrete were obtained to be 20% and 14 % lesser than the fresh density of the lime concrete aggregate respectively, while WC tile has low specified gravity compared to limestone so results were affected by (wall floor) tile concrete density which is lower than limestone ...
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Comparison of properties of steel slag and crushed limestone aggregate ...
2003.3.1 3.2.1.. Unit weightThe unit weight of the steel slag aggregate concrete varied from 2436 to 2769 kg/m 3, increasing with the proportion of the coarse aggregate.The unit weight of the crushed limestone aggregate concrete, with a coarse to total aggregate ratio of 0.6, was 2330 kg/m 3.The higher unit weight of the steel slag aggregate concrete
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Physio-mechanical and aggregate properties of limestones
2014.7.10 Margala Hill Limestone is the major source of aggregate in Punjab ... The limestone is thin bedded, fine to medium-grained and crystalline. It is white, light grey, yellowish grey and yellowish brown with fine to very fine texture. ... LT and SH (11.40–16.01 %) are within limits of BS 812 for utilization as aggregate in cement concrete. LAV ...
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2010.12.1 Section snippets Limestone in USA. In USA most of limestone mined is crushed for aggregate [1]. During the past 50 years most of crushed stones have been made of limestone, because USA has many limestone deposits and the cost is mainly determined by the transport cost.The chemical composition can grade as high as 95% of CaCO 3..
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2018.7.4 limestone as a lightweight course aggregate in concrete mixture in stead of normal coarse aggregate. Concrete cubes samples have been prepared with dimensions of 150*150*150 mm according to ASTM. For these samples the normal coarse aggregate was replaced by 100% coarse crushed limestone. Three types of limestone which were used
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(PDF) Effect of Water/Cement and Aggregate/Cement Ratios
2021.10.1 To analyse the effects of CPA, MPA and FPA/cement ratios on the non-structural concrete engineering properties, the range of different pumice aggregate/cement (A/C) ratios of 6:1, 8:1, 10:1, 15:1 ...
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