Pull Out Capacity of Anchors with Different Installation Techniques

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Title: Pull Out Capacity of Anchors with Different Installation Techniques

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Publication: CIA

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Date: 2/13/2011

Abstract:
The design of anchors subject to tension loading using the Concrete Capacity Design (CCD) method has been evaluated by numerous test results (1). This design approach has been adopted in the Australian Precast Concrete Handbook and codified in ACI 318-Appendix D (1,2). Experimental data has included cast insitu anchors such as headed studs or bolts and post-installed anchors installed in hardened concrete. The cast insitu headed anchors are attached to the formwork prior to casting. It was found that the CCD method afforded a simple design approach yielding conservative predictions of capacity. The concrete strength at the time of testing was, in some instances, below the recommended minimum compressive capacity of the anchors and the design methodology (2).Further research may be warranted to verify the validity of the design method for concrete strengths below 25 MPa.


Concrete Institute of Australia, International Partner Access.

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