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Science and Materials Concrete Manufacturing processess, Limitations and uses and prevention of degradation.

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David Walker

on 16 November 2015

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Transcript of Science and Materials Concrete Manufacturing processess, Limitations and uses and prevention of degradation.

Session Aims

At the end of the lesson you will be able to demonstrate an understanding of the following

Manufacturing processes
Limitations and uses
Prevention of degradation
And one more thing...
Identify the following structual members

Concrete is used for?

Manufacturing process?


Research in groups - find the causes, prevention and repair for the following concrete defects.

Colour variation.
Rain Damage.
Recap from previous lesson
Defects and problems
Activity 1
The annulus cement barrier did not isolate the hydrocarbons. The day before the accident,
cement had been pumped down the production casing and up into the wellbore annulus to
prevent hydrocarbons from entering the wellbore from the reservoir. The annulus cement that
was placed across the main hydrocarbon zone was a light, nitrified foam cement slurry. This
annulus cement probably experienced nitrogen breakout and migration, allowing hydrocarbons
to enter the wellbore annulus. The investigation team concluded that there were weaknesses in
cement design and testing, quality assurance and risk assessment.

Deepwater Horizon Accident Investigation Report
Self Healing Concrete
Prestressed Concrete
Full transcript