Question { Gammon, 12391 }

1)What is Suggested type of cement for concreting at water,
for mass concreting and where the chaces of gettin attucked
by salt?

2)How many types of camber?

3)why we always preffer short column in case of residential
building?

4) Is there any advantages between the use of One way slab
& two way slab?

5)What shoul be the % of steel for R. C. C. perpose based
on volume & area ?

Answer

1.For mass concreteing PPC cement is perfered because Heat
of hydration of PPC is vry less compare to OPC, to avoid
thermal cracks.
Chances of attack by slat is chloride content in water
what the water used for concrete or the structure may
immeresed in sea water,or the structure may exposed near
costal

Question { Reliance, 23548 }

Cost control in civil construction as well as Quality control

Answer

provide flyash or GGBS in concrete to replace for cement
if specified in Technical specification,avoid maximum
watage of concrete and other materials,utlize correct
manpower, using minimum cement content in concrete,proper
planning,Sheattering materials should properly stored and
used for more than 8 repetition

Question { L&T, 39361 }

what is DLC

Answer

Dry lean concrete. It is consisit of Crushed sand, Cement
And water, Admixture. Purpose of FILLING