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setting times

The Effect of Fly Ash, Beta-cyclodextrin and Fly Ash-Beta-cyclodextrin Composites on Cement Paste’s Viscosity and Setting Times

The Effect of Fly Ash, Beta-cyclodextrin and Fly Ash-Beta-cyclodextrin Composites on Cement Paste’s Viscosity and Setting Times

... Abstract - The possibility of increasing the usage of Fly ash (FA) in concrete has been a subject of interest and investigation by the authors. In the previous work, a composite of Fly ash- β- cyclodextrin (FA-β-CD) has ...

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Effect Of Mavoko Water Quality On Concrete Compressive Strength, Le Chatelier Expansion And Setting Time

Effect Of Mavoko Water Quality On Concrete Compressive Strength, Le Chatelier Expansion And Setting Time

... The setting time of the 3 brands increase with increasing pozzolana level, both for Initial and Final setting ...larger setting time as compared to PPC ...largest setting time while OPC ...

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Utilization of Trimethylolpropane Based Hyperbranched Poly(Amine Ester) as New Polymeric Admixture

Utilization of Trimethylolpropane Based Hyperbranched Poly(Amine Ester) as New Polymeric Admixture

... consistency, setting times, bulk density, apparent porosity, compressive strength and combined water content of the polymer/cement pastes were ...while setting times, compressive strength, ...

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Effect of Potassium Chloride (KCl) on Ordinary Portland Cement (OPC) Concrete

Effect of Potassium Chloride (KCl) on Ordinary Portland Cement (OPC) Concrete

... for setting times (initial & final) of cement and M20 & M50 grade ...final setting times of cement, Vicat apparatus is used and to assess the compressive and split tensile strengths, ...

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Development of Fly Ash based Geopolymer behaviour of Fly Cement

Development of Fly Ash based Geopolymer behaviour of Fly Cement

... and setting times of low-calcium fly ash-based geopolymer cement under varied heat curing temperature were ...and setting times over a number of ...the setting times were ...

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INFLUENCE OF ALKALINE SUBSTANCES AND BIOLOGICAL SUBSTANCES (ALGAE) IN WATER ON PROPERTIES OF NATURAL PPC AND SILICA FUME CEMENTS

INFLUENCE OF ALKALINE SUBSTANCES AND BIOLOGICAL SUBSTANCES (ALGAE) IN WATER ON PROPERTIES OF NATURAL PPC AND SILICA FUME CEMENTS

... final setting times, soundness and compressive strength of cement are sensitive to temperature and humidity, more or less 270C temperature and 60% humidity were maintained throughout the experimental ...

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Mechanical Properties of cementitious composite by using ZnO nanoparticles

Mechanical Properties of cementitious composite by using ZnO nanoparticles

... final setting times of the cement whith ZnO nanoparticles are shown in Table 4 and 5, an increase in the volume fraction of nanoparticles caused a significant decrease in setting ...the ...

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... final setting times decreased as the waste glass content increased, while the workability of the concrete increased as the waste glass content increased and started to experience a decrease at 35% waste ...

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Mechanical and Structural Characteristics of Cement Mortars Blended with Locust Bean Pod Ash

Mechanical and Structural Characteristics of Cement Mortars Blended with Locust Bean Pod Ash

... final setting times), compressive strength at 7, 14, 21 and 28 days and microstructural analysis by scanning electron microscope (SEM), energy dispersive spectroscopy (EDS), and X ray diffraction analysis ...

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Hydration Products, Morphology and Microstructure of Activated Slag Cement

Hydration Products, Morphology and Microstructure of Activated Slag Cement

... final setting times of slag- plaster of Paris mixes are delineated in ...The setting time of mixes containing no plaster of Paris is too long for cementing materials, as prescribed in Bureau of Indian ...

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Investigation Into The Possibility of Partial Replacement of Cement with Bone Powder in Concrete Production

Investigation Into The Possibility of Partial Replacement of Cement with Bone Powder in Concrete Production

... Abstract: The compressive strength of concrete using Bone powder(BP) as a partial replacement of cement was investigated. Ordinary Portland cement (OPC) was replace with BP in the ratios of 0%, 10%, 20%, 30%, 40%, 50%, ...

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Saw Dust Ash Substitution for Cement Pastes-Part I

Saw Dust Ash Substitution for Cement Pastes-Part I

... graphically represented in Figure 5. The water of consistency slightly decreased as the SDA content increased. This is mainly attributed to the presence of the Sod. lignosulfonate admixture which is the main responsible ...

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Effect of KCI on Strength of M20 Blended Cement Concrete with Silica Fume

Effect of KCI on Strength of M20 Blended Cement Concrete with Silica Fume

... the setting times of ...final setting time got retarded as the potassium chloride increases in the water ...the setting times at the concentration of KCl ...initial setting time ...

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Influence of Na2SO4 on the Mechanical Properties of High Volume Calcined Clay Pozzolan Cement

Influence of Na2SO4 on the Mechanical Properties of High Volume Calcined Clay Pozzolan Cement

... Abstract: Calcined clay pozzolan, the major mineral admixture used in Ghana to partially substitute ordinary Portland cement has gained massive recognition in the local construction industry because of its technical ...

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Speeding up Reliability Analysis for Large-scale Circuits

Speeding up Reliability Analysis for Large-scale Circuits

... It is well known that the higher precision of reliability analysis is better, but higher precision will consume more time. When the precision reaches one certain level, the required running times that can increase ...

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Comparison of M25 and M30 Grade Concrete by Partial Replacement of Cement with Metakaolin

Comparison of M25 and M30 Grade Concrete by Partial Replacement of Cement with Metakaolin

... Cement is a generic name that can apply to all binders. The chemical composition of the cements can be quite diverse but by far the greatest amount of concrete used today is made with Portland cements. For this reason, ...

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Leider et al - 2014 - Budget and Priority Setting Criteria at State Health Agencies in Times of Austerity.pdfView Download

Leider et al - 2014 - Budget and Priority Setting Criteria at State Health Agencies in Times of Austerity.pdfView Download

... systematic setting of priorities in health care and public health in developing countries, where funds are in shorter sup- ...on setting of priorities and budgets in public health; we are not aware of any ...

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INFLUENCE OF STRONG ACIDIC COMPOUNDS ON METAKAOLIN BLENDED CEMENT MORTARS

INFLUENCE OF STRONG ACIDIC COMPOUNDS ON METAKAOLIN BLENDED CEMENT MORTARS

... The ground water is sustainable source of fresh water for drinking, agricultural and industrial purposes and it has to meet all physical and chemical parameters for its safe use. Quality of ground water of any area ...

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Orthopaedic residents demonstrate retention of point of care ultrasound knowledge after a brief educational session: a quasi experimental study

Orthopaedic residents demonstrate retention of point of care ultrasound knowledge after a brief educational session: a quasi experimental study

... In reviewing the literature surrounding point of care ultra- sound education, it is noted that simulation and web-based learning are gaining ground as excellent, evidence-based ad- juncts to clinical POCUS training and ...

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Selling the JUBILEE Project: issues arising from a methodology

Selling the JUBILEE Project: issues arising from a methodology

... opportunity to volunteer to be interviewed (in person, by ‘phone or by e-mail) or to participate in a focus group. From returns the research team were able to generate lists of volunteers before the fieldwork and this ...

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