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Does concrete split underwater?
If you hit it hard enough.
When did the Romans develop good harbors?
When they invented concrete. Roman concrete set underwater and was used to build harbours.
How much does a cubic yard of concrete weight underwater?
about 1/6 of that on land
Why can concrete cure underwater?
Yes it can. It actually cures harder under water then above it. True.
How did Romans build foundations in water?
To build underwater foundations for the docks of some ports the Romans used concrete.
How many concrete structures were there in ancient Rome?
There is not a precise count. The Romans used concrete extensively. They used it for large buildings, bridges, and aqueducts though stone and brick were used as well in a concrete construction. As Roman concrete also set underwater, it was also used to build ports.The biggest building which was made mainly in concrete is the Colosseum.
What uses does Heavyweight concrete have other than radiation shielding?
It is also used for bridge counter-weight and for weighting down underwater pipelines etc.....Dan
Can concrete tremie mix be used in normal structures?
Tremie is not a "mix" but rather is a method of placing concrete underwater. It would seem to me, and I work in construction, that you would be needlessly adding cost. Why not simply use "normal" concrete for "normal" structures? Here is a link: http://www.concreteconstruction.net/industry-news.asp?sectionID=718&articleID=243445
Did roman concrete help people?
Roman concrete was neither better nor worse. It was different. It was as strong as modern concrete and it set underwater. It was less fluid and it had to be layered by hand. The Romans did not use reinforced concrete. Roman concrete was made by mixing pozzonlana (an active component of volcanic pumices and ashes) with lime and adding an aggregate to give it body. This varied depending of the consistency or weight. It could be pottery sherds, crushed brick or crushed rock.
Can you patch a hole in a inflatable pool when its wet with liquid cement?
Concrete, as well as many epoxy mixes will harden underwater. Someone needs to be IN the water to properly apply the patch material.
Why did the Romans invent concrete?
It was an alternative to stone. Instead of chiseling stones to the proper shape, the concrete was poured into a form and shaped. It was also easier to transport than stones weighing several tons. Concrete is prefab stone.
What is an underwater camera?
An underwater camera, is a camera that works underwater.
