Portland Cement Gravel
Calculator


Calculate sand gravel,
Required, based on the
number of bags of
cement on hand.



Sand Gravel
Calculator



Entry Form



Bags: Cement




Answer


Yards: Sand/Gravel

Cubic Feet: Sand/Gravel



Using This Cement
Sand/Gravel
Calculator.



This calculator allows you
to determine sand/gravel
required, based on bags
of Portland cement on
hand.

This calculator is based
on 6 - 94 Lb. sacks
of Portland Cement per
cubic yard (3000psi).

27 cubic feet equals
1 cubic yard.

Enter Number of bags
of cement on hand
or part of bag as decimal.

This calculator is intended
for approximate guidance.

Working
With Concrete
Tips



Only use clean water,
sand and gravel.

Aim for a mix of:
1 part cement, 2-1/4
part sand and 3 parts
aggregate.

Mix the dry cement and
sand, add water, mix,
then add aggregate,
and more water as
needed.

Cement mix should look
gray, not brown, and
water should not be freely
running on top.

Adjust the mix by adding
more water, cement or
sand as needed.

Concrete must be used
within 1-2 hours of mixing,
depending on temperature.

The sooner you work on
it after pouring, the easier
the job.

Avoid over-working any
poured concrete, as this
will weaken the concrete.

Sand shrinks in volume
when water is added,
so order a little more
than the dry volume.

Best time to work concrete
is early morning or late
afternoon, but be aware
there is a waiting time for
surface water to evaporate.

If you wait too long in the
afternoon to do the job,
it could end up late in the
evening, when you will be
toweling the concrete.

It takes a few weeks to
for concrete to reach 90
percent of its final strength.

Concrete that cures too
fast will crack, scale,
and flake,and lack strength
and durability.

If the weather is windy or
very hot, cover the
concrete to prevent the
quick evaporation, which
can cause cracks in the
concrete.


Index



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Community Since 1998
All Rights Reserved.


Calculate Sand/Gravel
by the Number of Bags of
Cement on Hand,
at findnchoose.


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