By ACI Committee 355
This ordinary prescribes checking out and overview standards 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 simply, or in either cracked and uncracked concrete. standards are prescribed to figure out the layout parameters and function classification for adhesive anchors. incorporated are exams of the adhesive anchor method for bond energy, reliability, provider stipulations, and quality controls. targeted inspection (13.3) is needed in the course of anchor install as famous in 10.22. desk 1.1 presents an summary 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)
2, MPa; and τref,fc = as per Eq. (10-4).
12. 3, Test 7. 19 Torque tests establish a tightening torque that produces a clamping force to be applied to the connection through the adhesive anchor, but not too high of a clamping force so that the bond between the adhesive and concrete or between the anchor rod and the adhesive is broken. For anchor elements that do not require the application of torque, such as deformed reinforcing bar dowels, these tests may be omitted. 1 Purpose—These reliability tests are used to establish the maximum level of torque that can be applied to the installed anchor without inducing tension yield of the anchor element or damaging the adhesive bond.
1 Where failure is characterized by metal rupture, normalize the capacity for nominal anchor element material strength using Eq. (10-2). For steels conforming to a standard, the characteristic tensile strength shall be taken as the minimum specified tensile strength futa. f uta F u = F u, test, x ---------------f u, test, x where Fut Fu,test,x futa = = = fu,test,x = N (10-2) normalized test result, N; test result from test series x, N; specified steel tensile strength to which the test result shall be normalized, MPa; and measured steel tensile strength corresponding to anchors used for test series x, MPa.
ACI 355.4M-11 - Qualification of Post-Installed Adhesive Anchors in Concrete and Commentary (Metric) by ACI Committee 355