Now, the two project is to use rebar or rebar?
Suggest a slightly larger span of the floor, do not use round steel bar, or the use of thread steel bar, and then with anti crack steel.
Of course, depends on what steel is used for components, such as the two structure of the structure column, and other minor parts, it does not matter.
It is recommended to use thread steel as far as possible, because the bonding force and holding force of the thread steel is better than that of the round steel, and it is generally known that the tensile pulling force of the round steel is relatively poor.
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