The ACI Foundation is pleased to announce the completion of a new research product: Evaluation of Seismic Behavior of Coupling Beams with Various Types of Steel Fiber Reinforced Concrete. Gustavo J.
Understanding how helical, curved beams operate — how their spiral cuts accommodate angular and parallel misalignment, axial motion, and system vibrations — is the key to knowing how they will perform ...
Zero-backlash beam couplings have high torsional stiffness and accommodate misalignment. The couplings use two sets of overlapping spiral cuts Beam Couplings (Courtesy of Ruland). Zero-backlash beam ...
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