WebOct 17, 2009 · The contractor's handrail fabricator's engineer claims that the handrail baseplate anchorage locations on the existing concrete balcony decks are not located in tension zones so uncracked concrete assumption is ok. Our firm's policy is to always assumed cracked condition for this type of application, especially on existing structures. WebConcrete and Masonry. The AEFAC Test and Evaluation Procedure for Concrete Screw Anchors is intended to be used with the NASH Standard Residential and Low-rise Steel …

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WebBoth ACI 318 and the International Building Code assume cracked concrete as the baseline condition for the design of cast- in-place and post-installed anchors since the … WebIn other words, to get the Nominal Strength of the anchor, one would take the Design Strength and divide by the specific phi factor associated with that failure mode. The characteristic bond stress is the published bond stress in the evaluation report corresponding with either cracked concrete or uncracked concrete. honey bing extension

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WebSimpson Strong-Tie® Anchor Systems offers a full array of anchoring and fastening products for concrete and masonry. These products work with a variety of materials including CMU block, concrete block, hollow block, masonry block and lightweight concrete. Our line includes adhesives for anchoring threaded rod and rebar, mechanical … Web” It includes test programs for evaluating adhesive anchor systems in cracked and uncracked concrete. Similar to AC308, the test programs in ACI 355.4 cover various conditions: reference tests to establish the bond … WebCracked concrete will be seen on reinforced-concrete members under service conditions and in the tension zone. Uncracked concrete is where the tensile stress in the concrete is smaller than the tensile strength of the concrete and there will be no cracking … honey bin