e unsoundness of cement. Alkalis Can
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:12-. .
a- sulfate compounds
13- At any stage of hydration, the ..
has not been filled by the products of hydration.
a- capillary pores
can cause unsoundness of cement.
b- Alkalis
C- Cao
...represent that part of the gross volume which
d- CaO and MgO
b-gel pores
c- air voids d- not all of them
14- Rapid-hardening Portland cement is due to
a- C3S content higher than 55%
b- specific surface 450 to 600 m?/kg c- all of them d- not of
all them.
15- Low heat Portland cement is type
а- Туре !
...as Astm C150
b-Тype IV
C (Type III)
d-(Туpe V)
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