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1. What are the causes of unsoundness of cement?
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∙ 11y ago
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What is unsoundness of cement?
when we test the cement with the help of Le-Chatlier apparatus and then we found if the expansion is more than 10 mm then the cement is said to be unsoundness
What ways by which unsoundness of cement may be reduced?
Unsoundness in pozzolanic materials may be reduced by adding minor components such as alkalis or carbon which is also responsible for the color
What are the causes of unsoundness of cement?
Unsoundness is caused by a increase in volume (eg due to hydration products) which occurs after the cement paste has set. The larger particles in coarse cement continue to hydrate well after the rest of the paste has set around them. Therefore any subsequent volume increases cannot be absorbed by the plasticity of the paste, and expansive cracking may occur.
Why is concrete a mixture?
cement is a mixture of compounds and concrete is a compound made from cement. look it up in wikipedia
What is the difference between lameness and unsoundness?
I find that lameness is when something (example: a horse) is disabled so that walking is hard to do or cannot be done. Unsoundness, however, is being weak or infirm. Many people think lameness and unsoundness are the same, but they're not.
What are two products made from calcium compounds?
Chalk, cement
NaCl cement milk lead and carbon monoxide Please identify each of these as an element compound or mixture?
NaCl and CO are compounds cement and milk are mixtures lead is an element
Which part of cement is chemical?
Cement, as with all substances, is entirely made of chemical compounds made of chemical elements. From the wording of your question it is not possible to give you a clearer answer as what you are asking is not clear.
Does nitrogen compounds cause acid rain?
Yes, along with sulfur compounds.
Release of CFCs and similar compounds are a possible cause of -?
"destruction of ozone in the upper atmosphere"
Should pigs be put on sand or cement?
Pigs will get stuck in cement and sand can cause itchyness. Dirt (esp mud) is the best for pigs
How can the mouth membranes be toughened so that eating crunchy foods like chips don't cause irritation?
put cement in your mouth put cement in your mouth
