Headed Reinforcement Corp. https://www.hrc-usa.com/ High Performance Reinforcement Products Sat, 21 May 2022 19:07:43 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.1 https://www.hrc-usa.com/wp-content/uploads/2020/04/cropped-icon_hrc-32x32.png Headed Reinforcement Corp. https://www.hrc-usa.com/ 32 32 HRC 670 Field Installed T-Heads Solve Rebar Elevation Issues in the Field https://www.hrc-usa.com/hrc-670-field-installed-t-heads-solve-rebar-elevation-issues-in-the-field/ Wed, 08 Jul 2020 21:25:15 +0000 https://www.hrc-usa.com/?p=1687 One of the main challenges deep foundation contractors face is the coordination of rebar cage lengths and top of cage elevations.  Additionally, designs commonly require hooks at the top of the cage where the vertical rebars terminate.  HRC 670 T-Heads are a great alternative to hooked anchorage, help reduce the risk with settings cages at […]

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]]> Differences Between 4Ab Heads and 9Ab Heads https://www.hrc-usa.com/differences-between-4ab-heads-and-9ab-heads/ Wed, 08 Jul 2020 21:20:25 +0000 https://www.hrc-usa.com/?p=1691 Introduction   This document has been prepared to address the common questions related to differences between 4Ab heads vs. 9Ab heads.   Background   Heads or headed bars are commonly described or referred to based on bearing area.   4Ab head Standard head in the US today – required by ASTM A970 and ACI 318. […]

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]]> Structural Behavior of Repaired Pier Walls https://www.hrc-usa.com/structural-behavior-of-repaired-pier-walls/ Tue, 02 Mar 2010 07:35:42 +0000 http://www.hrc-usa.com/hrc/?p=16 Document Name: 97-S28 Author(s): M. Haroun, G. Pardoen, H. Bhatia, S. Shahi, and R. Kazanjy Publication: Structural Journal Volume: 97 Issue: 2 Keywords: concretes; cyclic testing; pier wall; repair; T-headed crossties. Date: March 1, 2000 Abstract: Six 1/2-scale cantilevered pier walls were loaded in the weak direction under cyclic loading and taken to (near) destruction. […]

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]]> Double Head Studs as Ties in Concrete Walls and Columns https://www.hrc-usa.com/double-head-studs-as-ties-in-concrete-walls-and-columns/ Tue, 02 Mar 2010 07:32:35 +0000 http://www.hrc-usa.com/hrc/?p=14 Title: Double Head Studs as Ties in Concrete Walls and Columns Author(s): Walter H. Dilger and Amin Ghali Publication: Concrete International Volume: 19 Issue: 6 Date: June 1, 1997 Abstract: Testing of concrete walls and columns subjected to axial compression shows that double head studs used as cross ties are more effective than conventional stirrups […]

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]]> T-Headed Stirrup Bars https://www.hrc-usa.com/hello-world-2/ Tue, 02 Mar 2010 02:36:05 +0000 http://www.hrc-usa.com/hrc/?p=1 Title: T-Headed Stirrup Bars Author(s): DALE E. BERNER, BEN C. GERWICK JR., AND GEORGE C. HOFF Publication: Concrete International Volume: 13 Issue: 5 Date: May 1, 1991 Abstract : Structural elements subject to high out-of-plane shear and those needing confinement for ductility in the post-elastic phase require concentrated transverse reinforcement. A T-headed bar has been […]

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