Concrete Technology and Design of Concrete Structures
Select the incorrect statement for ...

Bleeding can be increased by addition of calcium chloride.
Bleeding can be minimized by adding pozzuolana finer aggregate.
None of these
Lean mixes bleed more as compared to rich ones.

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Concrete Technology and Design of Concrete Structures
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

depends on both crst and acbc
depends on as, only
depends on aCbC only
is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

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