By ACI Committee 355
This commonplace prescribes checking out and assessment requisites for post-installed adhesive anchor platforms 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 in simple terms, or in either cracked and uncracked concrete. standards are prescribed to figure out the layout parameters and function classification for adhesive anchors. integrated are exams of the adhesive anchor method for bond energy, reliability, provider stipulations, and quality controls. certain inspection (13.3) is needed in the course of anchor deploy as famous in 10.22. desk 1.1 presents an summary of the scope.
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Additional info for ACI 355.4M-11 - Qualification of Post-Installed Adhesive Anchors in Concrete and Commentary (Metric)
1—Required temperatures for testing at long- and short-term elevated concrete temperatures* Temperature Long-term temperature, Tlt , °C category Short-term temperature, Tst , °C A 43 80 B ≥ 43 ≥ Tlt + 11 * All test temperatures have a minus tolerance of 0 degrees. internal temperature by separate investigations and control the chamber temperature for the elevated temperature tests. 1. Install and test a minimum of five anchors at each temperature data point. For Temperature Category A, perform tests at the short- and long-term test temperatures.
Because of the possibility for run-out of adhesive during overhead installations, particular care should be exercised to prevent skin or eye exposure, and all precautions indicated by the MSDS for the product should be exercised. For adhesive anchor systems not designed for other than down-hole installation, these tests may be omitted. To avoid accidental misuse of such products, however, it is necessary to provide a standardized warning label on the product (for example, cartridge and foil pack) and on the packaging indicating restrictions on use (Fig.
There can be more than one combination of these three minimum values. While the application of torque is not required to set normal adhesive anchor systems, most MPIIs specify a maximum torque value for the clamp attachment to the concrete. 7Tinst) is intended to compensate for possible inaccuracies in torque wrenches on site. For conditions in which torque is not applied to the anchor, the minimum edge distance is governed by the drilling process used to install the adhesive anchor. 1 Purpose—This test is performed to verify for the smin and cmin requested by the manufacturer that the concrete will not experience splitting failure during installation and the required tension capacity is achieved.