lightweight recycled blast furnace slag

Tarmac | Slag Aggregates

In concrete, processed steel and blast furnace slag provide a sustainable alternative to primary aggregates in the production of lightweight or dense ready-mixed concrete. Blast furnace slag can also be used to make Ground Granulated Blast-furnace Slag (GGBS) which is used as a cement replacement in concrete.

Mechanical Properties of Alkali-Activated Slag-Based ...

Lightweight alkali-activated ground granulated blast furnace slag (LAS) is an energy-efficient and environment-friendly cementitious material that can be used as a binder for the fill soil ...

The Use of Recycled Materials in Highway Construction

Blast furnace slag is an industrial byproduct of iron produced in a blast furnace. This slag consists primarily of silicates and aluminosilicates of lime and other bases. (2) The Bureau of Mines reports that 14 million metric tons (t) of blast furnace slag was sold in the United States in 1992 with a …

Concrete - King County

The minimum quantity of recycled concrete aggregate shall be 25 percent of the total quantity of aggregate that is incorporated into the contract. 9-23.9 Fly Ash. Max 35% for paving [5-05.3(1)] Max for Portland Cement 20-35% depending on class of concrete; 9-23.9(1) Tests and Acceptance Fly ash. 9-23.10 Ground Granulated Blast Furnace Slag

An investigation on the use of shredded waste PET bottles ...

Additionally, blast-furnace slag was also used as the replacement of cement on mass basis at the replacement ratio of 50% to reduce the amount of cement used and provide savings. The water-binder (w/b) ratio and PET-binder (PET/b) ratio used in the mixtures were 0.45 and 0.50, respectively.

Aggregates for Concrete

Chapter 5—Blast-furnace slag aggregates, p. E1-21 5.1—Blast-furnace slag 5.1.1—Definition 5.1.2—Properties 5.1.3—Availability Chapter 6—Lightweight aggregates, p. E1-21 6.1—Introduction to lightweight aggregates 6.2—Definition of lightweight-aggregate concrete 6.3—Low-density concretes and associated aggregates 6.3.1 ...

Durability of lightweight alkali-activated ground ...

Blast furnace slag is a byproduct in the production of pig iron, which is in a fine, granular, non-crystalline form after being rapidly cooled down and ground (i.e., Ground granulated blast furnace slag (GGBS)) (Pal et al., 2003; Jin et al., 2015). GGBS mainly consists of silica, calcium, aluminum, magnesium, and …

Estimation of the Environmental Impact for Recycling Blast ...

Blast furnace (BF) slag has been widely recycled by civil engineering and construction industries. However, the amount of recycled BF slag has now reached the saturation point, and the development of new value-added products will be essential for promoting sustainable societies.1) Recently, a hydrothermal reaction was proposed as a

Use of Recycled Aggregates in Construction

2 Use of Recycled Aggregates in Construction Contents EXECUTIVE SUMMARY 3 1 INTRODUCTION 6 1.1 General 6 1.2 Classification of Aggregates 6 2 MANUFACTURED AGGREGATES 7 2.1 Foamed Blast Furnace Slag (FBS) 7 2.2 Fly Ash Aggregates 8 2.3 Manufactured Sand 8 2.4 Polystyrene Aggregate 9 2.5 Expanded Clays, Shales and Slates 10 3 RECYCLED …

Slag Cement - Lehigh Hanson, Inc.

Slag cement, originally known as granulated blast-furnace slag, begins with the production of iron. The heart of the process is the blast furnace that refines iron ore into iron. The ingredients are heated to nearly 1500 degrees Centigrade to form two components: iron and molten slag.

Estimation of the Environmental Impact for Recycling Blast ...

Blast furnace (BF) slag has been widely recycled by civil engineering and construction industries. However, the amount of recycled BF slag has now reached the saturation point, and the development of new value-added products will be essential for promoting sustainable societies. 1) Recently, a hydrothermal reaction was proposed as a potential approach for solving this problem. 2) In general ...

Advances in slag recycling and reuse - UKEssays.com

In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. The major waste by product from steel production is slag at 79.15% as shown in 1.

Slag Disposal Sites - EnviroBlend

Even though it can be recycled, slag is frequently sent to landfills for disposal. In producing steel, iron ore is introduced into a blast furnace. Slag is produced during the separation of the molten steel from impurities in the furnace, which is comprised of a complex …

Synthesizing super-hydrophobic ground granulated blast ...

Dec 10, 2018· Blast furnace slag is an industrial by-product resulting from ion production, and it consists primarily of silicates, and aluminate and calcium . In order to broaden the application range, the original granules with large-sizes are always grounded to fine particles, known as ground granulated blast furnace slag [25] .

Salt slag recycled by-products in high insulation ...

Concretes of densities of 1200, 900 and 600 kg/m3 were obtained by aeration by adding aluminium powder, in some formulations lightweight aggregate of blast furnace slag was added at a ratio binder ...

Tru Lite Lightweight Aggregate™ | Materials That Perform ...

Lighten up on the environment. Reduce the weight of your structural concrete. Tru Lite Lightweight Aggregate™ supports Green Building because it contains blast furnace slag — recycling slag this way means reducing use of non-renewable resources. The resulting aggregate offers unique benefits with diverse applications throughout the construction materials industry.

The Mechanical Properties of Foamed Concrete containing Un ...

In order to generate lightweight aerated concrete, Aguilar et al. [15], used blast furnace slag (BF) (85% retained in sieve 420 P m) as fine aggregate. 75% metakaolin was utilized as the binder with

Road Construction Material – Stein Inc

Blast furnace slag is a versatile, economical byproduct of production of iron. The four distinct methods of processing molten blast furnace slag - air cooled, expanded, pelletized and granulated - produce unique materials, although all varieties of blast furnace slag share basic advantages over other aggregates.

Paving the Way to Recycled Roads | Thayer School of ...

A wide range of recycled materials are already used in roads in the United States or abroad or are being tested for suitability. Here's a sampling. Asphalt roofing shingles Uses: aggregate, asphalt cement modifier, substitute for gravel roads. Blast furnace slag Uses: hot-mix asphalt, Portland cement concrete, granular base, embankments, fills

Blast Furnace Slag - Material Description - User ...

Granulated blast furnace slag and vitrified pelletized blast furnace slag are also used in the manufacture of blended hydraulic cements (AASHTO M240). (3) When used in blended cements, granulated blast furnace slag or vitrified pelletized slag are milled to a fine particle size in accordance with AASHTO M302 requirements.

NATIONAL SLAG MF 180-1 ASSOCIATION

PELLETIZED LIGHTWEIGHT SLAG AGGREGATE MF 180-1 J.J. Emery NATIOANL SLAG ASSOCIATION Page 2 pellet (increased drum speed and more cooling water) for cementitious applications.2-5 Because of this …

Sinmix Pte Ltd

• Concrete using Ground Granulated Blast Furnace Slag and OPC • Non-structural Concrete using Washed Copper Slag/Recycled Aggregates • Ultra High Performance Concrete of above 100mpa • High Density Concrete • Light Weight Concrete • Pavement Quality Concrete • Shotcrete • …

Effects of High Volumes of Fly Ash, Blast Furnace Slag ...

May 05, 2013· This paper presents results of an experimental work carried out to evaluate utilization of recycled materials, such as fly ash and bottom ash (by-products of thermoelectric power plants), and blast furnace slag (by-products of ironworks) as binders and aggregates with high volume in high-strength, lightweight mortar.

Lightweight concretes of activated metakaolin-fly ash ...

This work investigated geopolymeric lightweight concretes based on binders composed of metakaolin with 0% and 25% fly ash, activated with 15.2% of Na 2 O using sodium silicate of modulus SiO 2 /Na 2 O = 1.2. Concretes of densities of 1200, 900 and 600 kg/m 3 were obtained by aeration by adding aluminium powder, in some formulations lightweight aggregate of blast furnace slag was added at a ...

GENERAL INFORMATION Iron & Steel Slags ... - National Slag

of steel slag, a renewable recycled material, to treat waste water. Field applications have proven the lab science and now steel slag is being used in treatment zones or permeable reactive barriers to (Steel Slag End Uses continued) Steel Slag Coarse Aggregate AASHTO #8 Granulated Blast Furnace Slag Air Cooled Blast Furnace Coarse Aggregate ...

UG-Mat Blast Furnace Slag | Recycled Materials Resource Center

Blast Furnace Slag - Material Description ORIGIN In the production of iron, iron ore, iron scrap, and fluxes (limestone and/or dolomite) are charged into a blast furnace along with coke for fuel. The coke is combusted to produce carbon monoxide, which reduces the iron ore to a molten iron product.

Survey Shows Manufacturers Used Over 2.2 Billion Pounds Of ...

Survey Shows Manufacturers Used Over 2.2 Billion Pounds Of Recycled Materials In The Production Of Fiber Glass And Slag Wool Insulation ... million pounds of recycled blast furnace slag …

Blast Furnace Slag - an overview | ScienceDirect Topics

In Petroleum Engineer's Guide to Oil Field Chemicals and Fluids (Second Edition), 2015. 18.10.17 Blast furnace slag. Blast furnace slag is used successfully as a mud-to-cement conversion technology in oil well cementing worldwide because of economic, technical, and environmental advantages [86].Slag-mix slurries were used as primary, temporary abandonment and sidetrack plug cements during ...

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