Evaluation for Durability and Strength Development of a Ground Granulated Blast Furnace Slag PDF Download
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Author: FJ. Hogan
Publisher:
ISBN:
Category : Alkali aggregate reactivity
Languages : en
Pages : 13
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Book Description
This paper covers the evaluation of a ground granulated blast furnace slag as a partial replacement for portland cement in mortars and concrete. The ground slag was evaluated for strength-producing properties as well as durability performance when used to replace 40 to 65% portland cement. This study shows that the ground slag when used to replace 40 to 65% portland cement did significantly improve strengths, sulfate resistance, and alkali aggregate reactivity.
Author: FJ. Hogan
Publisher:
ISBN:
Category : Alkali aggregate reactivity
Languages : en
Pages : 13
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Book Description
This paper covers the evaluation of a ground granulated blast furnace slag as a partial replacement for portland cement in mortars and concrete. The ground slag was evaluated for strength-producing properties as well as durability performance when used to replace 40 to 65% portland cement. This study shows that the ground slag when used to replace 40 to 65% portland cement did significantly improve strengths, sulfate resistance, and alkali aggregate reactivity.
Author: Rafat Siddique
Publisher: Springer Science & Business Media
ISBN: 3540742948
Category : Technology & Engineering
Languages : en
Pages : 422
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Book Description
The amount and variety of waste that humanity dumps in landfill sites is nothing short of a scandal, believes Rafat Siddique, of Deemed University in Patiala, India. Instead, we ought to be building new homes out of it! Siddique shows in this important book that many non-hazardous waste materials and by-products which are landfilled, can in fact be used in making concrete and similar construction materials.
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: Craig Duos
Publisher:
ISBN:
Category : Slag cement
Languages : en
Pages : 60
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Book Description
This study evaluates Grade 120 Granulated Ground Blast Furnace Slag (GGBFS) and its effect on the properties of hydraulic cement concretes used in structural and pavement construction. Several mix designs, structural and pavement, were used for this evaluation with varying amounts of GGBFS used as a substitution for cement. These substitutions were a percentage by weight substitution. This study looked at the effects of slag on workability, constructability, durability and the compressive strength of the concrete. How GGBFS affected the concrete's set times was also critical in establishing the maximum substitution amount for Louisiana Department of Transportation and Development (DOTD) concrete structures and pavements. In addition, an informal telephone survey was taken with other state DOTs concerning their use and experience using GGBFS in concrete. This further assisted DOTD in the development of their own specifications for GGBFS concretes.
Author: Ali Akbar Ramezanianpour
Publisher: Springer Science & Business Media
ISBN: 3642367216
Category : Science
Languages : en
Pages : 345
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Book Description
The aim of this book is to present the latest findings in the properties and application of Supplementary Cementing Materials and blended cements currently used in the world in concrete. Sustainability is an important issue all over the world. Carbon dioxide emission has been a serious problem in the world due to the greenhouse effect. Today many countries agreed to reduce the emission of CO2. Many phases of cement and concrete technology can affect sustainability. Cement and concrete industry is responsible for the production of 7% carbon dioxide of the total world CO2 emission. The use of supplementary cementing materials (SCM), design of concrete mixtures with optimum content of cement and enhancement of concrete durability are the main issues towards sustainability in concrete industry.
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: David N. Richardson
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 106
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Book Description
Author: ACI Committee 306
Publisher:
ISBN: 9780870313974
Category : Concrete construction
Languages : en
Pages : 26
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Book Description
Author: Fernando Pacheco-Torgal
Publisher: Woodhead Publishing
ISBN: 1782423184
Category : Technology & Engineering
Languages : en
Pages : 549
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Book Description
Masonry walls constitute the interface between the building's interior and the outdoor environment. Masonry walls are traditionally composed of fired-clay bricks (solid or perforated) or blocks (concrete or earth-based), but in the past (and even in the present) they were often associated as needing an extra special thermal and acoustical insulation layer. However, over more recent years investigations on thermal and acoustical features has led to the development of new improved bricks and blocks that no longer need these insulation layers. Traditional masonry units (fired-clay bricks, concrete or earth-based blocks) that don't offer improved performance in terms of thermal and acoustical insulation are a symbol of a low-technology past, that are far removed from the demands of sustainable construction.This book provides an up-to-date state-of-the-art review on the eco-efficiency of masonry units, particular emphasis is placed on the design, properties, performance, durability and LCA of these materials. Since masonry units are also an excellent way to reuse bulk industrial waste the book will be important in the context of the Revised Waste Framework Directive 2008/98/EC which states that the minimum reuse and recycling targets for construction and demolition waste (CDW) should be at least 70% by 2020. On the 9th of March 2011 the European Union approved the Regulation (EU) 305/2011, known as the Construction Products Regulation (CPR) and it will be enforced after the 1st of July 2013. The future commercialization of construction materials in Europe makes their environmental assessment mandatory meaning that more information related to the environmental performance of building materials is much needed. - Provides an authoritative guide to the eco-efficiency of masonry units - Examines the reuse of waste materials - Covers a range of materials including, clay, cement, earth and pumice
Author: Nicholas Robert Mason
Publisher:
ISBN:
Category :
Languages : en
Pages : 288
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Book Description
