tied column

Isaac Kremer/ November 21, 2025/ / 0 comments

A concrete column reinforced with vertical bars and individual lateral ties. Lateral ties should have a diameter of at least 3/8 in. (9.5 mm), spaced apart not over 48 tie diameters, 16 bar diameters, or the least dimension of the column section. Each corner and alternate longitudinal bar should be laterally supported by the bend of a tie having an included angle of not more than 135 degrees, with no bar being more than 6 in. (152 mm) clear from such a supported bar. (Ching, 1995)

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About Isaac Kremer

IsaacKremer.com is the personal website of Isaac Kremer, MSARP, a nationally recognized leader in the Main Street Approach to commercial district revitalization with over 25 years of experience. Kremer, New Jersey's first certified Main Street America Revitalization Professional (MSARP), has served as founding executive director for organizations like Experience Princeton and the Metuchen Downtown Alliance, which won a Great American Main Street Award under his leadership. He recently became director of the Royal Oak Downtown Development Authority in Michigan.

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