Caltrans headed bar reinforcement
WebAffected Zone – Portion of the reinforcing bar where any properties of the bar, including the physical, metallurgical, or materials characteristics, have been changed by fabrication or ... Caltrans/Structure Construction (SC) personnel should perform are: B RIDGE C ONSTRUCTION R ECORDS & P ROCEDURES M ANUAL BCM165-7.0 P AGE 4 OF 14 WebSeismic 8.8.4 and AASHTO LRFD 5.11.2.1. Headed bars may be used for longitudinal reinforcement at the bottom of columns. The head shall be placed at least 3-inches below the footing bottom mat reinforcement. This may require the footing to be locally thickened in the region of the column to provide cover for the bottom of the headed bars.
Caltrans headed bar reinforcement
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WebThe Future of Connection and Protection nVent WebThese HRC Products are designed to exceed the tensile properties of the reinforcing steel used. Read More. Quality Assurance. Headed Reinforcement Corporation’s high performance reinforcement products are consistently specified for use on projects with the most demanding applications such as seismic, impact and blast resistant loading …
WebJul 8, 2024 · 4Ab head. Standard head in the US today – required by ASTM A970 and ACI 318. Net bearing area of at least 4 times the nominal area of the bar ( Abrg ≥ 4 Ab ). The … Web1.1.4 Headed Bar Reinforcement Submit a certificate of compliance for each shipment of headed bar reinforcement. Include with the submittal copies of: Mill test reports for bar …
WebFeb 20, 2024 · Headed Reinforcement Corp. Xtender 500 XL/510 XL Position Coupler (formerly 507/571) TP-17-02 #11 #11 06/30/2024 Two Piece Sleeve/Forged Ends Headed Reinforcement Corp Xtender® 500/510 Standard Coupler TP-17-03 #4 through #14 #4 through #14 07/30/2024 Two Piece Sleeve/Forged Ends Headed Reinforcement Corp … WebCaltrans may revoke the authorization of a mechanical coupler and remove it from this list for any of these reasons or if the splice company engages in fraud or misrepresentation in order to comply with the quality control and quality assurance requirements in section 52 of the Standard Specifications
WebHRC 200 Series. HRC 200 Series T-Headed bars are manufactured by a friction-forging process, under strict quality control to ensure a zero-slip connection between head and bar that exceeds the actual tensile strength of A706 reinforcement bar. Head sizes are in accordance with ASTM A 970 (1997-2004) and Caltrans Full Size (9Ab) to transfer the ...
Web5.8 The HRC 555 headed reinforcing bar that is headed by Headed Reinforcement Corporation (HRC) is formed/headed in Fountain Valley, California, under a quality control program with inspections by ICC-ES. All other heading operations must comply with Section 5.6, above. 6.0 EVIDENCE SUBMITTED max monroe thatcher kellyWebLap splicing is the most common method of splicing deck bars. 3 . length for ASTM A 706/A 706M rebar is 45 bar diameters for rebar sizes #8 or smaller and 60 bar diameters for #9 thru #11 rebar. Unless otherwise shown on the plans, the splices in adjacent bars must be staggered. The minimum distance between the staggered max monroe wildcatWeblength plus four bar diameters. Using a permanent marker, label this side of the bar as “A.” Place a second set of punch marks 180° apart from the first set and label that side of the bar as “B.” b. Pre-stress the sample to 3,000 psi. c. Measure the distance between the punch marks to the nearest 0.001 in. max monroe writerWeb52 rows · Headed Bar Reinforcement: Authorization Requirements for Headed Bar … heroes that start with hWebMaterials Requiring a Certificate of Compliance per Caltrans Standard Specifications . Caltrans 2024 Standard Specifications . Material Additional Info and/or Attachments Required* 6-1.04 BUY AMERICA ; ... Headed bar reinforcement COC + test reports ; 52-6 SPLICING ; 52-6.01C(5) Service or butt splice material COC + submittals ; 54 … heroes that became villainsWebfor hooked bars, and 14d b for headed bars. The headed bars need to have full-size heads, which have a bearing area nine times A b, the cross-sectional area of the bar. The requirement for headed bars is based on Eq. (1), with a concrete compres-sive strength of 5000 psi (34.5 MPa), which is the minimum heroes the battle at lake changjin streamingWebJul 31, 2024 · Headed Reinforcement Corp. Xtender 500 XL/510 XL Position Coupler (formerly 507/571) TP-17-02 #11 #11 06/30/2024 Two Piece Sleeve/Forged Ends Headed Reinforcement Corp Xtender 500/510 Standard Coupler TP-17-03 #4 through #14 #4 through #14 07/30/2024 Two Piece Sleeve/Forged Ends Headed Reinforcement Corp … heroes that turned into villains