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What temperature does concrete melt at?
Depending on the composite of the concrete material, it can melt at different temperatures. When concrete reaches a high enough temperature such as more than 1000 degrees Celsius, it can crumble like sugar.
Is concrete combustible?
Concrete is not combustible, although different types will be damamged by varying amounts of heat. If the temperature is high enough.
Does high temperature affect air entrainment on concrete?
Of course it does. One thing can be said about air entrainment everything affects it in concrete. High temperature can lower the effectiveness of air entrainment products. Typically requiring a higher dosage of air entrainment to get the desired air content.
Applications where tensile strength is the primary factor in material selection?
-Re-inforced cement concrete -High temperature services
What are constituents of high performance concrete?
m 35 is the high constituents of concrete
What happens to concrete when it is heated up?
When concrete is heated up, the moisture trapped inside can turn into steam and cause the concrete to expand rapidly, leading to cracking and spalling. The heat can also cause the concrete to lose its strength and structural integrity. Ultimately, if the temperature is high enough, the concrete can undergo thermal spalling and disintegrate.
How high is a concrete block wall that is 18 blocks high?
A concrete block is normally 8 inches high so that an 18 concrete block wall is 12 feet high.
How does concrete behave in fire?
Concrete will react differently according to the temperature experienced. for normal strength concrete nothing will happen at less than 500c but after that it starts losing its strength and cracks will appear will fail from 5-6 hours and it may explode but exploding is less likely to happen but for high strength concrete at a very high 500c-700c it well explode suddenly
How effective is steam cleaning for removing stains and dirt from concrete surfaces?
Steam cleaning is highly effective for removing stains and dirt from concrete surfaces. The high temperature of the steam helps to break down and lift away grime and stains, leaving the concrete clean and refreshed.
What is high strength concrete?
Concrete with compressive strength more than 55 MPa is known as high strength concrete.It is used in the construction of bridges, dams. etc.,High strength concrete is produced by adding normal constituents of concrete with admixtures.
Can concrete be melted by lava?
It might be possible to melt concrete if lava in contact with it was hot enough. But it is more likely that concrete would decompose and become "crumbly" before it "melted" when heated.
Why it is need to use high strength concrete in prestressed concrete?
to offer high resistance in tansion,shear and bond
