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Category: Concrete

Effect of SCMs on Alkali-Silica Mitigation

January 25, 2019 TeamCivil Concrete, Durability
ASR

Effect of SCMs on Alkali-Silica-Reaction Mitigation 1- Fly Ash the three characteristics of fly ash that determine its efficiency in preventing ASR are fineness, mineralogy, and chemistry. In general, the finer the fly ash, the

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Reasons of Concrete Spalling

January 25, 2019 TeamCivil Concrete, Durability
Reasons of Concrete Spalling

Concrete Spalling Currently, there are two mechanisms concerning the occurrence of spalling: 1- the pore pressure build up causes spalling in the cement matrix and 2- thermal and mechanical stresses. In 1997, Anderberg gave an account

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Corrosion of Embedded Metals in Concrete

October 3, 2018 TeamCivil Concrete, Durability

Corrosion of Embedded Metals in Concrete Corrosion of reinforcing steel and other embedded metals is the leading cause of deterioration in concrete. When steel corrodes, the resulting rust occupies a greater volume than the steel.

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Origin and Classification of Aggregates

May 21, 2018 TeamCivil Concrete, Materials

Origin and Classification of Aggregates Most of the properties of an aggregate derive from its parental rock chemical and mineral composition which affects strength, stiffness, density, pore structure and permeability. Rocks experience geothermal and weathering

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Pervious Concrete

May 21, 2018 TeamCivil Concrete, Types

Pervious Concrete Pervious concrete is a type of concrete with a system of interconnected pores allowing water to rapidly drain through. Pervious concrete itself is made up of coarse aggregate that is coated by a

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Characteristics of High volume Fly Ash Concrete

May 8, 2018 TeamCivil Concrete, Types
fly ash

Flyash Flyash is the by-product of the combustion of pulverized coal and is collected by mechanical and electrostatic separators from the fuel gases of power plants where coal is used as a fuel and the

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Types of Chemical Admixtures

May 8, 2018 TeamCivil Concrete, Materials
admixtures

Admixtures A material other than water, aggregates, or cement that is used as an ingredient of concrete or mortar to control setting and early hardening, workability, or to provide additional cementing properties. Why is admixture

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Information for Ordering Concrete

May 2, 2018 TeamCivil Concrete, Construction, Materials
Concrete pump

Information for Ordering Concrete When ordering pre-mixed concrete, you will need to tell the supplier: Name and address for delivery The use of the concrete (i.e. driveway, housing slab, commercial) The amount you need in cubic

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April 12, 2021 / 3:22 pm
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