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Cailler.org Engineering Forum Index  Quiz Statistics 
 Concrete cover  
After reading the question, select whether it is true or false in the field beside it!
The minimum covers are standardised and classified upon structure types and exposures. The values vary from standards to standards, depending in which part of the world you are located True
False
Steel reinforcement must be placed against the formwork using separation blocks/tags to prevent contact between steel and formwork. Apart from concrete and PVC/HDPE/PE, separation blocks can also be made out of wood or steel True
False
Concrete cover can diminish when structures are planned to be indoors True
False
Great concrete cover is needed to prevent differential temperature and shrinkage cracks from appearing at the concrete surface True
False
Concrete cover and reinforcement must be thoroughly vibrated during concrete placing True
False
With a concrete PH below 9, reinforcement in concrete will not corrode True
False
Carbonation of concrete throughout the years is favourable when the concrete is not steel reinforced True
False
Concrete cover is only there to prevent reinforcement steel from corroding True
False
Concrete cover is influenced by the fire rating choice True
False
Concrete cover should be increased when the mix design has a maximum aggregate size under 30mm True
False
Concrete cover is influenced by ambient conditions, i.e. climate and country. True
False
Concrete cover should be increased when structure is being permanently immersed in water True
False
Concrete cover should be increased when structure is being in touch with oxygen and water True
False
Concrete cover is influenced by the diameter of the main reinforcement bars True
False
Concrete cover should be increased when the planned curing procedure is green cutting (washed surface) True
False
  



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