Soon to be covered with concrete, this steel bar provides nearly all of the tensile strength of the foundation. Concrete is good in compression, but terrible in tension.
Showing posts with label Unseen strength. Show all posts
Showing posts with label Unseen strength. Show all posts
Sunday, February 1, 2009
Rebar
Soon to be covered with concrete, this steel bar provides nearly all of the tensile strength of the foundation. Concrete is good in compression, but terrible in tension.
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