WebJul 11, 2014 · NDS Table 2.3.2 gives frequently used load duration factors. Load Duration Adjustments; The impact load duration factor shall not aply to all connections. ... lag screws, wood screws, and nails. Bolts or lag screws should meet the requirements of ANSI/ASME Standard B18.2.1. Wood screws should meet the requirements of ANSI/ASME B18.6.1 … WebJan 8, 2016 · For instance, I'm sure it would be self defeating to install a 1.25 inch diameter lag bolt in a 1.5 inch wide stud, even dead center, because the remaining wood would be so weak you could sneeze it in half. UPDATE: I went on to test four options: 4" 'Traditional' lag bolts hex head. 4" SPAX Lag bolts hex head. 4" SPAX Pan-head Torx drive.
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WebTiten HD ® Heavy-Duty Screw Anchor Tension Loads for Tilt-Up Braces. L-A-THDTILTUP22 — Engineering Letter. Simpson Strong-Tie tested 5/8”- and 3/4”-diameter carbon-steel Titen HD ® heavy-duty screw anchors for tilt-up wall brace applications. Safety Data Sheet for Mechanical Anchors. SDS-MechAnchors-NA-ENG-0520 — SDS. WebConnection Calculator. Provides users with a web-based approach to calculating capacities for single bolts, nails, lag screws, and wood screws per the 2015 NDS. Both lateral (single … coot scientific name
Fastener Designer - Simpson Strong-Tie
WebIn order to reach as much compression in the fracture as possible the lag screw should be positioned perpendicular to the fracture line. 2. Cancellous lag screw application. Drill … Web(2) Lag bolts must be located in the middle third of the structural member. (3) These values are not valid for wet service. (4) This table does not include shear capacities. If necessary, contact a local engineer to specifiy lag bolt size with regard to shear forces. (5) Install lag bolts with head and washer flush to surface (no gap). WebMar 21, 2024 · Thanks for your input oldestguy. Per the NDS yield limit equations, the lateral capacity of dowels like nails, bolts, lag screws, etc. is dependent on the specific gravity of the wood species (0.5 for an LVL per the manufacturer in the case of my connection). Both my calc and bridgebuster's have input for the specific gravity of the wood members. coots definition