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Qaagi - Book of Why

Causes

Effects

by chloride(passive) caused bySteel bar corrosion

extra protection ... further water penetrationwould causegreater steel corrosion

that attack concrete structurescausingsteel bar corrosion

water ... high concentration of chloride ioncausesteel bar corrosion

Chloride ions are among the most aggressive agents that attack concrete structurescausingsteel bar corrosion

Internal Material Whitepaintedanti corrosion steel

External material Whitepaintedanti corrosion steel

by insufficient concrete cover (passive) caused bysteel reinforcement corrosion

a continuous exposure of chloride content in watercausingsteel corrosion

The presence of chlorides in concrete containing embedded steelcan leadto steel corrosion

by the mixed medium of salt , acid and water(passive) caused bythe steel corrosion

ConcreteResultingfrom Reinforcing Steel Corrosion

water to penetrate into the substrate ,causingcorrosion of reinforcing steel

water oxygen and ions(passive) is caused byCorrosion of steel

the effects of air and moisturecausecorrosion of the steel

This in turn makes the reinforcing steel susceptible to attack by water and oxygencausingcorrosion of the steel

by the salt used to de - ice roadways , steel deterioration or bridge design(passive) caused bysteel corrosion

internal leakage ... the presence of watercausecorrosion in steel

by chlorides and moisture(passive) caused bysteel corrosion

the Repair of Deteriorated ConcreteResultingfrom Reinforcing Steel Corrosion

chloride ingress and water absorptioncausecorrosion of steel

watercausingsteel corrosion

waterwould causecorrosion of the steel

The watercausescorrosion of steel

cracks to form , and water seeping through them over the yearscausedcorrosion of the steel

moisturecausescorrosion to the steel

moisture ... the wallscan causesteel corrosion

l ionscausingreinforcing steel corrosion

in the atmosphere reducing the alkalinity of concrete making it susceptible to attack by water and oxygencausingcorrosion of the steel

energy causinglocalised corrosion of the steel

matrix properties surrounding the steel / concrete interfaceinfluencethe corrosion of steel

Chlorides together with oxygencan causesteel corrosion

the risk of moisture penetrationcan resultin steel corrosion

the aircausingsteel corrosion

Chlorine productswill causecorrosion of steel

Chloride attackleadsto steel corrosion

aluminum dustcausescorrosion on steel

Reduces chloride ingress and water absorptioncausecorrosion of steel

moisture intrusioncausingsteel corrosion

moisture intrusion ... andcausingsteel corrosion

to the formation of a corrosion film about the arealeadsto the formation of a corrosion film about the area

the development of a corrosion film within the surface areacausesthe development of a corrosion film within the surface area

to failureleadingto failure

flakes of concretehas causedflakes of concrete

to concrete spalling due to the increasing volume of the steel embedded in the concreteleadsto concrete spalling due to the increasing volume of the steel embedded in the concrete

to rust formation ... cracking , spalling and degradation of structuresleadsto rust formation ... cracking , spalling and degradation of structures

cracking and loss of section of the bridge structurewill ... causecracking and loss of section of the bridge structure

to catastrophic pipeline and assets failureto leadto catastrophic pipeline and assets failure

Concrete delamination(passive) caused byConcrete delamination

damage in steel , concrete , and the bond between themmay causedamage in steel , concrete , and the bond between them

concrete deteriorationwas causingconcrete deterioration

the bond at the steel - concrete interfaceseverely influencesthe bond at the steel - concrete interface

concrete delamination and spallingwas causingconcrete delamination and spalling

damage(passive) caused bydamage

Corrosion damage(passive) caused byCorrosion damage

the surface mortar to spallcausesthe surface mortar to spall

severe damage to concrete spalling and other problemscausedsevere damage to concrete spalling and other problems

the concrete surfacecausedthe concrete surface

significant loss of strength of reinforced concrete structuresmay causesignificant loss of strength of reinforced concrete structures

concrete cracking model(passive) caused byconcrete cracking model

concrete deteriorationwas causingconcrete deterioration

concrete deteriorationcausingconcrete deterioration

a degradation in properties and results in extensive maintenance or replacement of steel ... at significant costcausesa degradation in properties and results in extensive maintenance or replacement of steel ... at significant cost

to concrete spallingleadingto concrete spalling

to complete structural deteriorationleadingto complete structural deterioration

in the various corrosion products , which depending on the level of the oxidationwould resultin the various corrosion products , which depending on the level of the oxidation

damage(passive) caused bydamage

the damage(passive) caused bythe damage

the concrete bridge deck(passive) caused bythe concrete bridge deck

the concrete bridge deck leaking(passive) caused bythe concrete bridge deck leaking

concretemay causeconcrete

the metal to deterioratecausesthe metal to deteriorate

the cracks(passive) caused bythe cracks

engineering problems(passive) caused byengineering problems

concrete to spallmay causeconcrete to spall

the deterioration(passive) caused bythe deterioration

the formation of surface debris stain color plate(passive) caused bythe formation of surface debris stain color plate

the development of new cracks in the structuremay causethe development of new cracks in the structure

the rough surface(passive) caused bythe rough surface

concrete members(passive) caused byconcrete members

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