ronak


{ City } baroda
< Country > india
* Profession * executive qa/qc
User No # 92487
Total Questions Posted # 6
Total Answers Posted # 27

Total Answers Posted for My Questions # 4
Total Views for My Questions # 21005

Users Marked my Answers as Correct # 200
Users Marked my Answers as Wrong # 37
Answers / { ronak }

Question { Sobha Developers, 21187 }

How to calculate compressive strength of concrete cube
dencity


Answer

putcube in compressive testing machine, give pressure 140
kg/sqcm/minute.

strength= load/area

if you want to know the solid cube density. take weight of
cube.
forumala;
density=mass/volume=weight of cube/volume of cube
(0.15*0.15*0.15)

ans gives you density of solid concrete.

if you want wet concrete density then take cylinder 10
liter weight of empty cylinder then fill with concrete

weight of concret/volume of cylinder its gives density of
wet concrete.

Is This Answer Correct ?    4 Yes 4 No

Question { 7542 }

How we can calaculate materials required for block work(1m3)

block size 33cm x 20 cm x 17 cm, mortar 1:6


Answer

i have consider 15mm mortar bedding.

and add 5% of block wastage of blocks.

consumption per 1 m3

cement bags=0.79m3
sand = 5.90 cft
blocks= 77 nos (including wastage).

Is This Answer Correct ?    3 Yes 1 No


Question { JMC Projects, 56557 }

how to calculate Tile skirting


Answer

above answer is correct. it is always calculate in rmt.

Is This Answer Correct ?    33 Yes 8 No

Question { L&T, 7371 }

how to calculate the strength rebound hammer test if average
reading of 50.6,50.2,49.1,50.5,50.8,51.7 in grade M-60


Answer

it is depending upon the graph value which is given in the
is coads. its depnds upon which direction the hammer is
applied. Then after we will do the correction factor.

Is This Answer Correct ?    7 Yes 1 No

Question { 7756 }

Why we are using coarse sand for brick work and is there any
technical problem if, we use fine sand instead of coarse sand.


Answer

there is gap between two partical of couse sand. we
applied plaster on it. bonding between plaster and masonary
is good. so we used couse sand. compratively silt content
in couse sand is less.

Is This Answer Correct ?    5 Yes 1 No

Question { L&T, 8204 }

Pl. enlighten whether M20 grade RMC is suitable for columns
& beams for 5 storied residential building


Answer

yes, we do it. its depends upon designer. how to design the
building.

Is This Answer Correct ?    4 Yes 1 No

Question { 7089 }

for plaster what is the suitable sand.


Answer

rive sand is suitable and it is in zone2. it is more
suitable.(fine sand)

Is This Answer Correct ?    2 Yes 0 No

Question { Gammon, 9619 }

why curing is necessary?


Answer

cement containt lime part in it. so there is hydration
process take place, heat is generated to control the heat
of hydration, make the surface wet.

Is This Answer Correct ?    26 Yes 2 No

Question { Gammon, 7310 }

what is the per meter weight of 50 dai steel? explain in
detail?


Answer

density=mass/volume

7850=mass/3.14/4*0.05*0.05*1

mass=15.40kg/mt

Is This Answer Correct ?    19 Yes 1 No

Question { 4327 }

what is thumb rule exactly?


Answer

it prove that practical experience.

Is This Answer Correct ?    2 Yes 0 No

Question { 2348 }

why 50% more is assumed while calculating dry volume of coarse and fine aggregates in concrete calculations.whether 50% more is correct? How is it decided? whether the same is applicable to cement volume. Also what about cement mortar dr volume? How much more is to be considered for dry volume of mortar.


Answer

it is consider by shrinkage, wastage and voide having in the concreting.
yes 50 to 52 % correct, it practically prove.

Is This Answer Correct ?    2 Yes 1 No

Question { 6473 }

what is zero slump concrete


Answer

There is no workability in the concrete. Generally it is used in precast work and road work.

Is This Answer Correct ?    3 Yes 4 No

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