By ACI Committee 355
This general prescribes trying out and overview requisites for post-installed adhesive anchor structures meant to be used in concrete lower than the provisions of ACI 318. standards are individually prescribed to figure out the suitability of adhesive anchors utilized in uncracked concrete simply, or in either cracked and uncracked concrete. standards are prescribed to figure out the layout parameters and function class for adhesive anchors. integrated are tests of the adhesive anchor process for bond energy, reliability, provider stipulations, and qc. unique inspection (13.3) is needed in the course of anchor install as famous in 10.22. desk 1.1 presents an outline of the scope.
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Extra info for ACI 355.4M-11 - Qualification of Post-Installed Adhesive Anchors in Concrete and Commentary (Metric)
4M tests are performed on anchors installed in the downward position. Where anchors are to be installed in other orientations, such as horizontal and overhead, tests are required to validate the performance of the adhesive anchor system for these orientations. These tests are intended to ensure the MPII is adequate to describe the necessary installation steps, the adhesive anchor system is appropriate for installation in the tested orientation, and the bond strength has been correctly assessed for anchors installed in the tested orientation.
1. Test anchor elements having a cross-sectional area that is less than a threaded bolt of the same nominal diameter as the anchor within five anchor diameters of the shear failure plane. 2. Test anchors at hef = hef, min and at hef = 2hef, min for anchor diameters that exhibit pullout failure in unconfined tension tests at hef = hef, min where hef, min ≤ 8da. 3 mm, with the shear load applied parallel to the crack. 2, Test 17. 12 Simulated seismic tests are intended to assess the anchor performance in cracked concrete conditions under cyclic loading.
2 The determination of alternate minimum member thicknesses hmin is permitted through testing conducted in accordance with this section. 10. 1 Purpose—These optional tests are performed to check the minimum member thickness hmin specified by the manufacturer. 3. 1 Perform a minimum of 10 installation tests for the maximum embedment depth hef associated with each anchor diameter to demonstrate that hole drilling and installation (for example, setting and torquing of the anchor) does not result in cracking or breakthrough of the concrete test member.
ACI 355.4M-11 - Qualification of Post-Installed Adhesive Anchors in Concrete and Commentary (Metric) by ACI Committee 355