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AT&T | 10086996 |Main - Dyer - Concrete Slab Structural Analysis Page 4 <br />GeoStructural, LLC | PO Box 2621 | Boise, ID 83701 | p:530.539.4787 <br />Table 3.3 – Seismic Overstrength Anchorage Loading (ACI 318-19 § 17.2.3.4.3(d) & 17.2.3.5.3(c)) <br />Seismic Load – Non-Structural Components ASCE 7-16, Chapter 13 <br />(0.9-0.2(SDS))D + Ω0QE Eq. 12.4.3.2 (7) <br />Ω0 = 2.0 Table 13.6-1 <br />Vertical C.O.G. = ((2.182*4.88)+(2.895*1.17))/5.077 = 2.77 ft <br />Net OTM = (1.56*2.77*2.0)-(((0.9-(0.2*1.023))*5.077)*1.5) = 3.34 k-ft <br />Omega AB Tension = (3.3/(33/12)/(8/2))+((1.04*2.0)/8) = 0.56 kip <br />Net Shear = (1.56*2.0)-(((0.9-(0.2*1.023))* 5.077)*0.3) = 2.06 kip <br />Omega AB Shear = 2.06/(8/2) = 0.51 kip (Assume 1/2 AB engage) <br />Table 3.4 – Structural Component Material Strengths <br />Structural Component Nominal Strength/Material1 <br />Mechanical Anchors Simpson Strong Bolt 2 Stainless Steel <br />Expansion Anchors (ICC-ES ESR-3037) <br />Concrete Slab fc’ = 2500 psi <br />Steel Reinforcing Fy = 60 ksi <br />Allowable Soil Capacities <br />Bearing = 1,000 psf <br />Passive Sliding = 100 psf/ft <br />μ = 0.3 <br />1.Strengths listed were utilized for this analysis and are based upon ASTM, AISC, RCSC, MSJC, AWS and ACI preferred <br />specification values. Values and materials are consistent with industry standards. Material strengths were taken from <br />original design documents, geotechnical reports, etc. when available. <br />Table 3.5 – Analysis Parameter Design Checks <br />Parameter Site Specific <br />(Demand)1 Result2 <br />Wind Base Shear 1.16 <br />Adequate <br />Seismic Base Shear 1.56 <br />Anchor Tension 0.56 <br />Anchor Shear 0.51 <br />1.The analysis (allowable) values listed for each parameter are the minimum values required to safely transmit the <br />imparted loading through the foundation and anchorage to the surrounding soil without creating an unstable <br />condition. The allowable values are based on the minimum presumptive values shown in Table 3.4 above. <br />2.Since the site-specific individual demand parameters are less than or equal to the maximum allowable values the <br />foundation and anchorage design is deemed adequate to support the loading. <br />2621 S Birch St - 101119515 & <br />20182981 <br />7/24/2024