I'll let you into a little secret with reinforced concrete design and construction that has, at least to you and some others, been a secret since around the late 1800's. You can lap a reo bar against another bar and the tensile stress transfers fully if that lap distance is at least about 35 times the diameter. So a 12mm bar will need almost 400mm lap.
We were taught this secret in our civil engineering concrete design (structures) classes at uni. A proper uni, like the one in Sydney that requires you to have a full 3 years undergraduate work exprerience to get your 4 year degree (many of us squeezed that 7 years into 5 by night classes). And the institution I'm talking about, that I saw several job ads for civil engineers stating in the ad they prefer graduates from that place? NSW Institute of Technology.
FBR Price at posting:
0.5¢ Sentiment: Buy Disclosure: Held
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