Laserfiche WebLink
Seattle Genetics r 8/4/2023 <br /> ENGINEERING I NEER E� E C Everett,WA 98203 RVC <br /> N ING <br /> Anchor Analysis Cont.: <br /> Check For Concrete Breakout-Uplift <br /> k«= 17 Coeff. For Concrete Breakout Strength (ACI Sec. 17.4.2.2) <br /> Xa= 1 Modification Factor for Lightweight Concrete <br /> Nb= 7449 lbs. Concrete Breakout Strength for a Single Anchor(ACI Eq. 17.4.2.2a) <br /> ANco= 144.0 in.2 Projected Concrete Failure Area of a Single Anchor(ACI Eq. 17.4.2.1c) <br /> ANc= 484.0 in.2 Projected Concrete Failure Area of an Anchor Group(ACI Sec. 17.4.2) <br /> Ncbg= 25037 lbs. Nominal Concrete Breakout Strength of Bolt Group(ACI Eq. 17.4.2.1b) <br /> 4)= 0.65 Strength Reduction Factor <br /> l2Ncbg= 12206 lbs. Factored Breakout Capacity of Bolt Group <br /> Nua,g= 11076 lbs. Ultimate Uplift per Anchor Group <br /> Nua/kNn= 0.91 OK Utilization Such That 4)Ncbg>_ Nua,g <br /> Col Si 1.5h@f <br /> ri...rrmir.rrrrrw ANc <br /> Check For Anchor Strength-Shear 1.5he N = 4 Number of Anchors in Group <br /> Vsa= 10255 lbs. Nominal Shear Strength per Anchc2 <br /> 4)= 0.65 Strength Reduction Factor 002 <br /> 4Vsa= 6666 lbs. Factored Shear Strength per Anchi <br /> Vua= 963 lbs. Ultimate Shear per Anchor <br /> Vua/4Vn= 0.14 OK Utilization Such That 42Vsa>_Vua <br /> Check For Concrete Pryout Strength-Shear <br /> N = 4 Number of Anchors in Group <br /> Ncpg= 25037 lbs. Nominal Concrete Breakout Strength of Bolt Group(ACI Eq. 17.4.2.1b) <br /> kg,= 2 Coeff. For Pryout Strength(ACI Sec. 17.5.3.1) <br /> Vcpg= 50074 lbs. Nominal Pryout Strength for Anchor Group (ACI Eq. 17.5.3.1b) <br /> = 0.70 Strength Reduction Factor <br /> 4'Vcbg= 35052 lbs. Factored Pryout Strength of Bolt Group <br /> Vua,g= 3852 lbs. Ultimate Shear per Anchor Group <br /> Vua/4Vn= 0.11 OK Utilization Such That 4)Vcbg>_Vua,g <br /> Interaction of Tension and Shear Loads <br /> Nua/ = 0.91 Max. Utilization for Tension (Uplift) <br /> Vua/49Vn= 0.14 Max. Utilization for Tension (Shear) <br /> Utilization= 0.89 OK Max. Utilization for Combined Tension and Shear <br /> (NN 5/3 V s/3 <br /> ua) + < i<_ 1.0 (ACI Section R17.6) <br /> CcoN j \�OV <br /> 33/49 <br />