Answer Posted / k.shivakumar

M20 - Mix 20 is the Grade of concrete which attains its
compression strength of 200kg per sqcm or 20Ner sqmm or
20Mpa after 28days of casting of concrete

M25 - Mix 25 is the Grade of concrete which attains its
compression strength of 250kg per sqcm or 25 N per sqmm or
25Mpa after 28days of casting of concrete

hence the difference is only 5

How to determine spacing of bars in slabs or beams

2448

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How many lbs are there in a yard?

1207

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though u r a civil engineer, y r u interested in tcs???

2569

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The building has 12 columns of 12x9 in 3 rows of 4 each in a plot of 50'x30', The central row is strengthened with 16mm twisted rods. The roof area is 1500 sft including balconies. calculate the load factor per sft. Also indicate the number of roofs the building can withstand.

2709

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There are two buildings one taller and one shorter whose time period will be grater and similarly the frequency ?

1646

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can stub column take the load as main column

1893

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57. Calculate the volume of a truck loaded with stone chips whose data are as follows– 5 Top Length - 13-9, 13-10, 13-09 Bottom Length - 13-11, 13-10.5, 13-10 Top width - 8-7.5, 8-8, 8-7 Bottom width - 8-7, 8-8, 8-7.5 Depth - 2-0, 1-11.5, 1-10, 1-11, 1 -10.5, 1-11.75, 1-11

9501

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What is pre-stressed concrete?

1103

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Used Cement & Sand in 1 Square Meter or 1 Square Feet For Brick Work 0.115mm ? (1:4) (1:6)

2430

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1273

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Form where IS456 is adopted in 1978?

1967

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Define What is the tensile strength of wood?

1113

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Reinforcement details at hinged joint

3129

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Explain what is Hybrid Foundation?

1161

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Time required for curing of wall tiles before fixing

2191

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