Effects of Ground Granulated Blast-Furnace Slags on Some Properties of Pastes, Mortars, and Concretes PDF Download
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Author: VS. Dubovoy
Publisher:
ISBN:
Category : Accelerated curing
Languages : en
Pages : 20
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Book Description
Tests were performed under separate contracts at different times for three manufacturers of ground granulated blast-furnace slag to determine the performance of their products with portland cement. Physical tests were performed on pastes, mortars, and concretes to determine both freshly mixed and hardened properties. The effects of gypsum addition, fineness of slag, and levels of replacement in cement-slag combinations were evaluated. Physical tests performed on pastes and mortars included time of setting, compressive strength, and volume stability. In the mortar compressive strength series, various curing regimens were evaluated with respect to strength development. Included were normal moist curing at 23°C (73°F) and 4.4°C (40°F) and 100% relative humidity, and accelerated atmospheric curing [71°C(160°F)] and 100% relative humidity. Tests conducted on concretes containing slag included compressive strength, freeze-thaw durability, and resistance to deicer chemicals (scaling). Measurements of air-void systems of hardened concretes were made. Results generally show that use of slag can be beneficial without resulting in significant technical problems or adverse construction problems.
Author: VS. Dubovoy
Publisher:
ISBN:
Category : Accelerated curing
Languages : en
Pages : 20
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Book Description
Tests were performed under separate contracts at different times for three manufacturers of ground granulated blast-furnace slag to determine the performance of their products with portland cement. Physical tests were performed on pastes, mortars, and concretes to determine both freshly mixed and hardened properties. The effects of gypsum addition, fineness of slag, and levels of replacement in cement-slag combinations were evaluated. Physical tests performed on pastes and mortars included time of setting, compressive strength, and volume stability. In the mortar compressive strength series, various curing regimens were evaluated with respect to strength development. Included were normal moist curing at 23°C (73°F) and 4.4°C (40°F) and 100% relative humidity, and accelerated atmospheric curing [71°C(160°F)] and 100% relative humidity. Tests conducted on concretes containing slag included compressive strength, freeze-thaw durability, and resistance to deicer chemicals (scaling). Measurements of air-void systems of hardened concretes were made. Results generally show that use of slag can be beneficial without resulting in significant technical problems or adverse construction problems.
Author: Irene K. LaBarca
Publisher:
ISBN:
Category : Portland cement
Languages : en
Pages : 98
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Book Description
This research examined the properties of concrete containing grade 120 slag cement at replacement levels of 0%, 30%, and 50%. The primary concrete properties studied were compressive strength, split-tensile strength, and deicer scaling resistance. Material variations included four sources of ordinary portland cement and two types of coarse aggregate. Strength properties were studied at room temperature and 40°F mix and curing conditions. Deicer scaling resistance was studied for concrete cured under six curing conditions. Carbonation of concrete cured under these six conditions was also investigated.
Author: Z. Nakagawa
Publisher:
ISBN:
Category : Blended cements
Languages : en
Pages : 18
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Book Description
The behavior of slag cements combining substantial amounts of separately ground granulated blast-furnace slag is compared with that of portland cements. The effects on mortars and pastes of exposure to elevated temperatures during early-stage hydration and at later ages has been determined. Compressive strength, density, microstructure, permeability, and dimensional change were the primary properties investigated. The effects of long-term exposure at temperatures up to 250°C were evaluated. Very low permeabilities,
Author: Caijun Shi
Publisher: CRC Press
ISBN: 0203390679
Category : Architecture
Languages : en
Pages : 388
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Book Description
The first English-language book which reviews and summarizes worldwide research advances in alkali-activated cements and concrete. Essential topics include: raw materials and their properties for the production of the two new types of binder the hydration and microstructure development of alkali-activated slag cements the mechanical properties and durability of alkali-activated slag cement and concrete other various cementing systems and their applications related standards and specifications. This respected team of authors has produced an important piece of research that will be of great interest to professionals and academics alike, enabling the production of more durable and environmentally sensitive materials.
Author: Test Test
Publisher: Gulf Professional Publishing
ISBN: 0128148152
Category : Technology & Engineering
Languages : en
Pages : 536
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Book Description
Applied Petroleum Geomechanics provides a bridge between theory and practice as a daily use reference that contains direct industry applications. Going beyond the basic fundamentals of rock properties, this guide covers critical field and lab tests, along with interpretations from actual drilling operations and worldwide case studies, including abnormal formation pressures from many major petroleum basins. Rounding out with borehole stability solutions and the geomechanics surrounding hydraulic fracturing and unconventional reservoirs, this comprehensive resource gives petroleum engineers a much-needed guide on how to tackle today's advanced oil and gas operations. - Presents methods in formation evaluation and the most recent advancements in the area, including tools, techniques and success stories - Bridges the gap between theory of rock mechanics and practical oil and gas applications - Helps readers understand pore pressure calculations and predictions that are critical to shale and hydraulic activity
Author: William Micah Hale
Publisher:
ISBN:
Category : Cement
Languages : en
Pages : 384
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Book Description
Author: Ramana Reddy
Publisher: Springer
ISBN: 3319487698
Category : Technology & Engineering
Languages : en
Pages : 1373
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Book Description
This collection focuses on ferrous and non-ferrous metallurgy where ionic melts, slags, fluxes, or salts play important roles in industrial growth and economy worldwide. Technical topics included are: thermodynamic properties and phase diagrams and kinetics of slags, fluxes, and salts; physical properties of slags, fluxes, and salts; structural studies of slags; interfacial and process phenomena involving foaming, bubble formation, and drainage; slag recycling, refractory erosion/corrosion, and freeze linings; and recycling and utilization of metallurgical slags and models and their applications in process improvement and optimization. These topics are of interest to not only traditional ferrous and non-ferrous metal industrial processes but also new and upcoming technologies.
Author: Ivanka Netinger Grubeša
Publisher: Woodhead Publishing
ISBN: 0081003765
Category : Technology & Engineering
Languages : en
Pages : 196
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Book Description
Characteristics and Uses of Steel Slag in Building Construction focuses predominantly on the utilization of ferrous slag (blast furnace and steel slag) in building construction. This extensive literature review discusses the worldwide utilization of ferrous slag and applications in all sectors of civil engineering, including structural engineering, road construction, and hydro-technical structures. It presents cutting-edge research on the characteristics and properties of ferrous slag, and its overall impact on the environment. - Comprehensively reviews the literature on the use of blast furnace and steel slag in civil engineering - Examines the environmental impact of slag production and its effect on human health - Presents cutting-edge research from worldwide studies on the use of blast furnace and steel slag
Author: Nele De Belie
Publisher: Springer
ISBN: 3319706063
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
This volume represents the current knowledge on the effect of SCMs (slag, fly ash, silica fume, limestone powder, metakaolin, natural pozzolans, rice husk ash, special SCMs, ternary blends) on the properties of fresh and hardened concrete (e.g. early strength development, workability, shrinkage) and curing requirements. Other topics treated in the book are postblending vs preblending, implications of SCM variability, interaction between SCM and commonly used admixtures (e.g. superplasticizers, air entrainers).
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580493522
Category :
Languages : en
Pages : 24
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Book Description
Blast-furnace slag aggregates, Particulate materials, Synthetic aggregates, Aggregates, Granulated slags, Slags, Concretes, Mortars, Grouting, Cement and concrete technology, Composition, Chemical composition, Physical properties of materials, Fineness, Compressive strength, Conformity, Statistical quality control, Quality control, Sampling methods, Inspection, Moisture, Marking, Delivery
