Answer / girish rawat

After 7 days = 70%
14 days = 80%
21 days = 90%
28 days 100%
56 days 105%

Answer / sjtbehera

there are diffrent type of grade of concrete. now a days we
are starting M20 grade of concrete.

Grade of concrete 7 dyas ( kg/cmsq) 28 day (kg/cmsq)
m20 135 200
m25 140 250
m30 200 300
m35 235 350
m40 270 400

Answer / sajjad rasool

7-70

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Which is the best book for building construction?

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at what pressure ply-wood is obtained by gluing wooden sheets

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what ratio of cement and sand we used for making cover

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what is coping?

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4. Differentiate between NC and OC soils. Draw curves for (i) Stress vs Strain (ii) Volume charge vs Strain (iii) Pore pressure vs Strain for these soils

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