Officials give high strength rebar the green light in congested Big Apple

The New York City Buildings Department now recognizes structural designs using high strength Grade 100 concrete reinforcing steels. Through issuance of Buildings Bulletin 2015-036, Irvine, Calif.-based MMFX Steel Corp. of America notes, the city accepts designs employing the 100,000-psi yield strength of ASTM A1035/A1035M-15 rebar. The document clears the way for MMFX high strength ChrõmX rebar in a market ushering a wave of active or proposed tower projects whose slender profiles invite reinforced concrete design—owing especially to stiffness characteristics tempering sway.

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