ujjawal daharwal


{ City }
< Country > india
* Profession *
User No # 97109
Total Questions Posted # 0
Total Answers Posted # 8

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Questions / { ujjawal daharwal }
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Answers / { ujjawal daharwal }

Question { ACC, 91501 }

Bitumen grades are 30-40,60-70, 80-100. what is mean by 30-
40


Answer

the penetration caused by standard Condition i.e.
Standard Weight= 100 gm
Standard temp. = 25 Degree C.
Standard penetration time = 5 Seconds
Unis = 10th of mm to show the results and avoiding Errors
e.g. if the value is 30/40, the 30/40 is the bitumen
penetration value (tested in standard condition) lies
between 3 to 4 mm.

Is This Answer Correct ?    109 Yes 7 No

Question { 8122 }

URGENT: please tell me what's normal drawing scale for
residential building and commercial building? Thanks.


Answer

Take help of NATIONAL
BUILDING CODE- 2005 of india

Is This Answer Correct ?    1 Yes 0 No


Question { 15086 }

What is the density of cement?


Answer

as per Indian standard 1440 kg/cu.mtr. (Conforming to IS 269)
and as per British Standard 1442 kg/cu.mtr

Is This Answer Correct ?    4 Yes 0 No

Question { BPCL Bharat Petroleum, 20676 }

why we use min. 12mm dia bar in a coloum.


Answer

Because slenderness ratio is a very imp Phenomenon in case
of column. and the ratio of minimum 12 mm fi bar is not
permit for buckling of column

Is This Answer Correct ?    8 Yes 1 No

Question { 6923 }

density of flyash


Answer

is it Sp. Gravity or Density?? and also specify the unit

plz clear it

Is This Answer Correct ?    3 Yes 0 No

Question { L&T, 9822 }

what is the creep in concrete


Answer

Deformation w.r.t. Time due
to self wt.
It is a time dependent
phenomenon.

Is This Answer Correct ?    8 Yes 1 No

Question { 9812 }

1. why steel used in concrete


Answer

the cofficient of Thermal expansion of concrete and Steel is
approximatly same.

Is This Answer Correct ?    13 Yes 5 No

Question { Bestech, 8141 }

8mm steel not
available at site
used bar 8mm and
150cc please tell
me specing i used
10dia bar write
formula please


Answer

very simple
Note: d1^2/s1 = d2^2/s2

where, d1= dia of available Bar
s1= spacing b/w available
d2= dia of new bar
s2= spacing of new bar

in this case; d1= 8mm, s1=150mm, d2= 10mm &s2= ?

8^2/150 = 10^2/s1

s1=234.375 mm c/c = 230 mm c/c ANS

Is This Answer Correct ?    8 Yes 0 No