discoloration of concrete with slag

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Understanding Paver Efflorescence- What It Is and How to ,
Understanding Paver Efflorescence- What It Is and How to ,

All concrete products contain cement As the cement hydrates, it produces lime or water soluble salts, such as calcium hydroxide The calcium hydroxide is soluble in water and therefore migrates to the surface of the concrete pavers through capillary action...

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Properties of Cement- Physical & Chemical - Civil Engineering
Properties of Cement- Physical & Chemical - Civil Engineering

Low alkali cement, when used with calcium chloride in concrete, can cause discoloration In slag-lime cement, ground granulated blast furnace slag is not hydraulic on its own but is ,...

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Item 421 Hydraulic Cement Concrete - scctx
Item 421 Hydraulic Cement Concrete - scctx

impurities that may cause staining or discoloration when using white hydraulic cement 26 Aggregate 261 , sand, recycled crushed hydraulic cement concrete, slag, lightweight aggregate, or a combination thereof Provide fine aggregate free from frozen material and from injurious amounts of salt, alkali, vegetable matter, ....

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The coloration phenomenon associated with slag blended ,
The coloration phenomenon associated with slag blended ,

Blue-green coloration observed in concrete made with slag-blended cement sometimes raises concern mainly due to lack of understanding of the caus...

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gccusa
gccusa

Discoloration CONCRETE IN PRACTICE CIP 23 , Concrete con- taining ground slag does, however, have a generally lighter color The discoloration of concrete cast in forms or in slabs on grade is usually the result of a change in either the concrete composition or a concrete construc-...

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Item 421 Hydraulic Cement Concrete - ftpdotstatetxus
Item 421 Hydraulic Cement Concrete - ftpdotstatetxus

Item 421 Hydraulic Cement Concrete 1 DESCRIPTION , impurities that may cause staining or discoloration when using white hydraulic cement 26 Aggregate 261 , sand, recycled crushed hydraulic cement concrete, slag, lightweight aggregate, or a combination thereof...

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Cement Substitutes - Int'l Association of Certified Home ,
Cement Substitutes - Int'l Association of Certified Home ,

Slag concrete is reflective and lighter in color than fly ash and silica fume, and it may initially have a blue-green coloring that typically disappears within a week Known as “greening,” this discoloration will not disappear if the slag is used in swimming pools or other wet locations...

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Ground granulated blast-furnace slag - Wikipedia
Ground granulated blast-furnace slag - Wikipedia

Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder...

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CIP23 Discolorationpdf | Concrete | Chemical Substances
CIP23 Discolorationpdf | Concrete | Chemical Substances

Concrete containing slag cement , The discoloration of concrete cast in forms or in slabs on grade is usually the result of a change in either the concrete composition or a concrete construction practice In most studies, no single factor seemed to cause discoloration...

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water treatment slag in cement - schievelavabojourdanbe
water treatment slag in cement - schievelavabojourdanbe

Steel Slag - User Guideline Asphalt Concrete - User , Steel slag can be processed into a coarse or fine aggregate material for use in dense- and open-graded hot mix asphalt concrete pavements, (1,2,3) and in cold mix or surface treatment applications...

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Concrete In Practice 23 – Discoloration « Heritage Concrete
Concrete In Practice 23 – Discoloration « Heritage Concrete

This will disappear with time, generally within a one year period Concrete containing slag cement does, however, have a generally lighter color The discoloration of concrete cast in forms or in slabs on grade is usually the result of a change in either the concrete composition or a concrete construction practice , Eugene, O Goeb ....

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BINDER MADE OF BLAST-FURNACE SLAG - Free Patents Online
BINDER MADE OF BLAST-FURNACE SLAG - Free Patents Online

Oct 22, 2015· The concrete or mortar composition as claimed in claim 11, further comprising a hydraulic binder mixed with the binder comprising the ground granulated blast furnace slag, wherein the ratio by weight of the amount of slag to the amount of hydraulic binder is between 20/80 and 100/0...

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Fix Concrete - Fixing, Cleaning, Resurfacing and Patching ,
Fix Concrete - Fixing, Cleaning, Resurfacing and Patching ,

The old way of thinking was that if concrete had cracks, surface discoloration, or imperfections, it must be removed and replaced if improving the look of the concrete is the goal...

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4specs Discussion Forum: Discolored concrete - flyash
4specs Discussion Forum: Discolored concrete - flyash

Fly ash meeting requirements of ASTM C 618 does not "discolor" concrete I have been specifying high volume fly ash concrete for years, and the argument that this "discolors" concrete ,...

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Integral Colors for Concrete - Increte Systems
Integral Colors for Concrete - Increte Systems

Cement substitutes, such as flyash or slag, should not be used unless Increte is consulted for suggestions If a cement substitute is used, it must be added to all mixes , discoloration in the finished product Vertical Concrete Prior to pouring you should cast a jobsite sample...

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Slag In Concrete - Structural engineering other technical ,
Slag In Concrete - Structural engineering other technical ,

The Concrete Quality Control Lab Coordinator is requesting to include ground, granulated blast furnace slag (slag/ggbfs) in the concrete mix From past project concrete mix submittals I observe that when slag is used, fly ash is not, and vice-versa...

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Physical and Chemical Properties Of Cement | About Civil ,
Physical and Chemical Properties Of Cement | About Civil ,

Low alkali cement, when used with calcium chloride in concrete, can cause discoloration In slag-lime cement, ground granulated blast furnace slag is not hydraulic on its own but is ,...

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Blast Furnace Slag - Material Description - RMRC
Blast Furnace Slag - Material Description - RMRC

Although blast furnace slag contains a small component of elemental sulfur (1 to 2 percent), the leachate tends to be slightly alkaline and does not present a corrosion risk to steel in pilings (10) or to steel embedded in concrete made with blast furnace slag cement or aggregat...

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Technical papers Archive - C-ADD Mapei
Technical papers Archive - C-ADD Mapei

Activators Antimony Blast furnace slag Blended cements Brown discoloration Calcium sulphate Cement additives Cement color Cement microscopy Chemical analysis Chromates Clinker mineralogy Clinkerization Concrete Controlled release Cost reduction Cr(VI) analysis Diffusion Dosing point Dry-mix mortars Early strengths Encapsulation Ettringite Fly ash Free lime Grinding aid Gypsum de-hydration ....

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concretematerialscompany
concretematerialscompany

on concrete containing ground slag as a cementitious mateñl This will disappearwith generally within a one year period Concrete containing slag cement , Neal, R E, Discoloration of Concrete Flatwork, Lehigh Portland Cement Company, 1977 "Removing Stains and Cleaning Concrete Surfaces," IS21402T, PCA, 1988, cementorg...

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CIP 23 - Discoloration - National Ready Mixed Concrete ,
CIP 23 - Discoloration - National Ready Mixed Concrete ,

CIP 23 - Discoloration WHAT is Discoloration? Surface discoloration is the non-uniformity of color or hue on the surface of a single concrete placement It , on concrete containing ground slag as a cementitious material This will disappear with time, generally within a one year period Concrete containing slag cement...

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Calcium Chloride Concrete Slab Discoloration - Ask the Builder
Calcium Chloride Concrete Slab Discoloration - Ask the Builder

If the calcium chloride is not mixed thoroughly in the concrete it can lead to discoloration There are also other complicated chemical reactions that can happen with the Portland cement and other additives (fly ash, slag, etc?) that *might* be in the concrete...

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Slagcementorg
Slagcementorg" Keyword Found Websites Listing | Keyword ,

Slag cement discoloration Slag cement association's Slag cement grade Slag cement concrete Slag cement cost Slag cement sds Slag cement boston , Slagcementorg Slag cement is a recovered byproduct of the iron manufacturing process and can be used to replace a portion of portland cement in concrete mix design...

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The Inspectors Blog - Craftsman Home Inspections llc
The Inspectors Blog - Craftsman Home Inspections llc

Slag concrete is reflective and lighter in color than fly ash and silica fume, and it may initially have a blue-green coloring that typically disappears within a week Known as “greening,” this discoloration will not disappear if the slag is used in swimming pools or other wet locations...

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Stains on Concrete Identification of types & sources of ,
Stains on Concrete Identification of types & sources of ,

Stains & colors or discoloration on concrete surfaces: This article provides a catalog of types of stains found on concrete surfaces: walls, floors, ceilings, including un-wanted stains from various causes & deliberate concrete coloring processes, stains, or acid treatments...

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Nonferrous Slags - Material Description - RMRC
Nonferrous Slags - Material Description - RMRC

Phosphorus slag has been used as an aggregate substitute in hot mix asphalt, as a lightweight masonry aggregate, and as cement kiln feed Granulated phosphorus slag has also been used experimentally in the production of a blended cement product...

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Colored Concrete | 711 Materials
Colored Concrete | 711 Materials

BASIC USE Color-CreteTM is designed to be used in all cementitious materials, producing unlimited color effects The primary applications are cast-in-place, slab on grade, precast, tilt-up, concrete ,...

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discoloration of concrete with slag - theaxisin
discoloration of concrete with slag - theaxisin

Concrete Discoloration CausesThe Concrete NetworkTake a look at the common causes of concrete discoloration,Generally, a slag , Calcium Chloride Concrete Slab Discoloration - Ask the , Calcium Chloride Concrete Slab Discoloration , other complicated chemical reactions that can happen with the Portland cement and other additives (fly ash ....

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Efflorescence in Concrete - Supacrete
Efflorescence in Concrete - Supacrete

Efflorescence in Concrete , cause visible yellow/brown discoloration of the concrete surface, which cannot be washed off Physical Processes , slag, while strictly speaking is not a pozzolan, has the same effect since its hydration doesn’t produce calcium hydroxide...

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Types and Causes of Concrete Deterioration - cementorg
Types and Causes of Concrete Deterioration - cementorg

The exceptional durability of portland cement concrete is a major reason why it is the world’s most widely used construction material But material limitations, design and construction practices, and severe exposure conditions can cause concrete to deteriorate, which...

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