you need to have a ''keyway''---that is a groove in the base concrete,can be cut in if concrete has set,if not set,oil a 2x4lightly(lightly) & imbed it into the base concrete flush.
Yes, so that the concrete doesn't break or split.
Rebar is used as a tensioning device in reinforced concrete and reinforced masonry structures holding the concrete in compression.
yes
yes, that is why they put expansion joints on bridges. (: your welcomeyes, that is why they put expansion joints on bridges. (: your welcome
Because the sidewalk expands when it is warmer out, which can lead to cracking. In order to avoid this, the concrete peeps put intentional cracks in between each slab.
Lead has a higher density than concrete, so a 1"x1"x1" cube of concrete would weigh less than the same cube of lead.
Lead, solid rock, or a great depth of sea water. Ideally a barrier of concrete and lead is used for shielding from gamma sources.
Concrete, lead
In Junior and Senior Infants we got concrete objects to count with.
you need to have a ''keyway''---that is a groove in the base concrete,can be cut in if concrete has set,if not set,oil a 2x4lightly(lightly) & imbed it into the base concrete flush.
Yes. It is a myth that a battery will run down sitting on concrete.
Yes, so that the concrete doesn't break or split.
Concrete illustrations are used to put abstract ideas into close-up words. The concrete words could be described as tangible descriptions.
Graphite, Concrete and Lead.
Lead, wood, concrete, steel (just some examples)
It starts curing the second they put water in it.