The details for a riveted connection are given in the figure below. The angle steel section is subjected to dead and live loads. Calculate the net area required for the checks on the assembled parts. (Fn = ? cm³) section a-a P= 8,5t (r.D.I - H) (St.37) da L 160.75.9. tost ostos tost
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- A bolted connection shown consists of an angular section L 150mmx100mm x8mm. Bolt diameter = 18mm. Determine the effective net area of the section. (Ae). Properties of an L150x100x8: Area = 1,894 mm2 Fy = 248 MPa Fu = 400 MPa x = 23 mm y = 48 mm 50 50 50 50 50 50 150 40 www.AwNNO 60 100 50 PProblem 1. Given the bolted connection as shown and using 25 mm diameter bolt, determine shear stress on the most critical bolt. 150K시 8OKN 100 100 8OKN * 120 (20 {20 mmA76 x 76 x6 mm angular section shown is welded to an 8 mm thick gusset plate. The length L1 is 65 mm, L2 is 125 mm, and the cross sectional area of the angle is 929 sq.mm. Fy-248MPA and Fu -400MPA. Gusset Plate Alowable Sresse Alowable tensle stress igross ara)0.00 Alowable tereile stres net area)0SOF. Allowable shear stress (net ares)0.30F. Determine the value of P based on net area using a strength reduction coefficient of 85% O 138.24 KN O 140.14 kN O 157.93 kN O 304.00 N Next
- Determine the design using ASD and NSCP specifications for the connection shown. Use A36 steel and D20 117 75 75 capacity diameter bolt on an oversized hole diameter. Show complete solution and round your final answer to the Pu OR nearest thousandths. PA For problem 01: Due GSY: ØPn = ØA,Fy; ø = 0.90 Due TRS ØPn = ØUA„Fu ;ø = 0.75 125 U = 1- Due to BSS ØR, = Ø[0. 60A,yFu + UpsAntFu] < ø[0.60A,„Fy + UpsAntFu] ; 6 0.75 Slendemess Ratio < 300 ; *min For section properties Ix = Iox + A(y²) ly = Ioy + A(x²) %3D r = Nominal hole diameter Bolt Hole diameter dnet diameter Standard Oversized M16 18 20 + 2mm M20 22 24 + 2mm M22 24 28 + 2mm M24 27 30 + 2mm X = 14.35 mm X C8x18.75 = 3,555 mm? A, = bf = 64.2 mm tf = 9.9 mm tw = 12.4 mm d = 203.2 mm ly = 18.31 x10° mm* Ix = 0.82 x106 mm %3D 2782. A staggered riveted connection has rivets arranged as shown. Diameter of rivet is 28 mm. Use AISCINSCP Specs. Fy 248 MPa, Fu = 400 MPa. Determine the distance "S" so that the area area in chain ABCD is equal to the net area in chain ABD. Determine also the tensile capacity of P. 45 10 350 mm 90 90 I mm 60 mm 888Bolted and Riveted Connections From the bolted connection shown, the diameter of bolts is 18mm0 with the hole diameter equal to 3mm bigger than the bolt, the angular section is 100 x 75 x 8 mm, with an area of 1340 mm2. Thickness of the gusset plate is 9mm. The gusset plate and angle arc A36 steel with Fy = 250 MPa and Fu = 400 MPa. Determine the tensile capacity of the connection based on gross area. Determine the tensile capacity of the connection based on effective net area using a reduction factor of 0.85. Determine the tensile capacity of the connection based on gross area.
- A bracket connection shown in figure, consists of a joist cutting welded to the flange of a column by shop fillet welds 8 mm on flanges and 6 mm on the web. Determine the safe service load 'W', the bracket can support at a distance of 200 mm from the face of the column if the steel grade is Fe 410. 200 200 8V 150 200 W 8 V 150 N 150 200 250 Partial factor of safety on shop weld = 1.25 Yield strength of steel = 250 MPa. 250 Acd efgh ij O klmn u op V 0 0 0 t Р What is the line for which the section will rupture in tension? All holes are the same diameter. m n j h d2. The figure shown is bolted with a diameter of 22mm. The inner plate material is 12mm x 315mm and the outer plate material is 9mm x 315mm. Assume hole diameter is 2mm larger than the bolt. T/2 T/2 F, = 345MPA, F, = 450MPA, F, = 207MPA, F, 1.2F, for bearing type connection. F, a friction type connection. = 117MPA for 45mm 75mm T/2 a. Determine the tensile capacity of the plates if it is a bearing type connection. b. Determine the tensile capacity of the plates if it is a friction type connection. c. Compute the minimum theoretical length of the lap if it is a bearing type connection. 75mm T/2 75mm 45mm A в А
- 3 - The details for a tumed-bolted connection are given in the figure below The angle steel section is subjected ro dcad and live loods. Caleulate the netr area requird for the checks on the assembled parts. (F.=? cm) 3 M16 中 M16- So a) O 36,5 b) 42 C) O 17,5 d) O 35 Boş bırakA 15" x 3/8" bar of A572 Gr. 50 steel is used as a tension member. It is connected to a gusset plate with 7/8-in diameter bolts as shown in the figure. Use s = 2.0 and g = 3.0. Determine the allowable tensile strength of the section based on tensile rupture of the net area. Answer: о о lo O o1. what is the bolt shear capacity of the shear connection in kips? (2 decimal places)A992: Fy=50ksi, Fu=65ksiA36: Fy=36ksi, Fu=58ksieffective bolt hole diameter = bolt hole + 1/16"beam properties: tw=0.38 in., bf=7.07 in., tf=0.63 in.Fexx=70ksi