Answer / guest

Gypsum is a mineral. it is name in chemical is calcium
sulphate.Mainly it control setting time of cement.
generally it pecrentage 3%. Excess gypsum slow the setting
time. is not link with strength

Answer / mohamed radwan

there is many type of gypsum like type 1, and type 2 which is recommened for hot weather .

Answer / leo

dont think it will have a effect on the strength. But it
will slow the setting(hardening) time of the concrete.
this is not a valid answer cause im only a second year student

Answer / tep

5% would be the perfect amount to add on concrete. it adds
compressive strength thus maintaining its hydration.

Common strng of kg/m3 building materials

1 Answers   Godway,

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Wats the formula of eccentric footing and how was calculated from concrete qty

0 Answers  

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a)If column dimensions are 250*400mm , what will be cutting length for 8mm stirrups and how to calculate it? b) If beam dimensions are 200*400mm , beam coveris 25mm , slab cover is 20mm , what will be the cutting length for stirrups? c)Column dimensions are 250*400mm , reinf. is 12nos. bar of 16mm dia , stirrups provided are two legged, what will be the length of each ring? Regards

27 Answers   Alfaraa, Speco, Supertech, Welspun,

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What is critical path method (c.p.m)?

0 Answers  

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step by step procedure to find out the percentage of steel in coloum,beam,slab,footing in detailed

0 Answers  

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why steel is used in rcc columns? what is its purpose?

3 Answers  

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What is the standard unit of bricks???

2 Answers   L&T,

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Whether dry volume or wet volume of concrete more but why?

1 Answers   Hiranandani,

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Types of pipes?

6 Answers  

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What us meant by DLP & liquidated damages in civil quantity surveying

1 Answers  

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what's the formula for calculate pcc for matt(45mm aggregate)?

0 Answers   L&T,

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what is the permanent solution applied for restoration of leaning tower of pisa?

0 Answers  

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