1628 - HEADED REINFORCING ANCHORS 1600-44
1628.1 Description
This specification covers rebar with headed anchors a ttached to one or both ends of the bars for concrete reinforcement. Equivalent types of headed reinforcing anc hors may also be referred to as headed reinforcement, headed rebar, rebar end anchors, or rebar terminators.
1628.2 Requirements
a. Mount anchors on bars that meet all requirements of SECTION 1601 including prequalified plant status. b. Mount anchors on bars in a fabricator's shop prior to delivery to a project. Forging, swaging, and threading are acceptable methods of attaching the anchors on bars. c. Unless otherwise shown, use only headed reinforcing anchors with heads having a net area of at least 9 times the area of the reinforcing bar. d. Use anchors complying with the requirements of ASTM A 970, Class A with the following exception:
1.Rejection based on testing done at the KDOT in accordance with this specification may be reported at any time after the samples are delivered. Samples tested for prequalification which are rejected are not eligible for a rehearing.
1628.3 Test Methods
Test according to the requirements of subsection 1628.2d.
1628.4 Prequalification
a. Prepare 3 test specimens each bar size to be preq ualified and forward them to the Engineer of Tests along with the following information: Name, address and telephone number of the manufacturer. Include the name and e-mail address of the preferred contact person. Brand name of the anchor. Type and description of the anchor. Method of attachment of the reinforcing anchor to the rebar (forged, swaged, or threaded). Information regarding recommended usage and instructions. Material Safety Data Sheets (if applicable). b. The samples provided will be tested to destruction and test reports prepared. During testing, the Engineer of Tests will determine if operator prequalificati on is required for fabricator shop attachment, and enter that information on the test reports. The test reports and the information supplied will be reviewed by the Bureau Chief of Construction and Materials. The manufacturer will be advised as to whether or not the product is prequalified. c. The Bureau of Construction and Materials will mainta in a list of prequalified anchors. Products on the list will be classified by the method of attachment to the bar as listed in subsection 1628.2b and the approved bar sizes. Products will remain prequalified as long as the manuf acturing processes remain unchanged, and field experience indicates that the product functions appropriately. Changes in manufacturing processes require new prequalification testing. Failure of the product to function appropriately in the field will be cause for removal from prequalified status. Products removed from prequalified status will be considered for requalification if the manufacturer can provide evidence that the cause of failu re has been positively identified, and necessary changes 1628 - HEADED REINFORCING ANCHORS 1600-45 and quality control measures have been implemented to elim inate that cause. Complete prequalification testing will be required for products that have been removed from prequalified status.
1628.5 Basis of Acceptance
Prequalification as specified in subsection 1628.4. Receipt and approval of a Type C certification as specified in DIVISION 2600.
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Source: Standard Specifications for State Road and Bridge Construction, 2015 Edition. Pages 789–790 of 978. View official source ↗