Select a double angle member to resist a tensile load of 50 kN dead plus 100 kN live. The member is 2.5m long and is assumed to be connected with one row of 20 mm Ø bolts.
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- A rigid bar AC is supported pinned supported at A and bar DB at B. See typical bolt connection detail. A concentrated weight, denoted as W is attached at the end of the rigid bar. L1 = 2.6 m L2 = 2.1 m H= 1.2 m W= 14 KN What is the required diameter of the bolt (in mm) at connection B given the allowable shearing stress to be 40 MPa ? Consider single shear. L1 L2 A B C H D इस W CONNECTION AT Ba welded connection is in eqilibrium under the action of the four forces shown. Knowing that FA=8lbs and FB= 16lbs, determine the magnitudes of other two forces *3dec places all finalTwo flat bars loaded in tension by force P are spliced using two rectangular splice plates and two 0.350 in. diameter bolts. Away from the connection, the bars have a width of b = 0.625 in. and a thickness of t = 0.15 in. The bars are made of polyethylene having an ultimate tensile strength of 3200 psi and an ultimate bearing strength of 1500 psi. The bolts are made of nylon that has an ultimate shear strength of 4400 psi. Determine the allowable load P for this connection if a safety factor of 3.7 is required. Consider tension and bearing in the bars and shear in the bolts. Disregard friction between the plates.
- A 16 mm thick tension member is connected by two 6.25 mm spliced plates as shown. The tension member carries a service loads of dead load of 110 kN and a live load of 100 kN. 40, 80 , 40 , 40, 80 40 1625 mm 16 mm 1625 mm Fy 248 MPa Fu = 400 MPa Diam. of bolts = 16 mm Fnv = 300 MPa O Determine the nominal strength for one bolt due to shear. O Determine the nominal strength for one bolt due to bearing strength of the connection. ® Determine the number of bolts required for the connection.The five-bolt connection must support an applied load of P= 1700 lb. If the average shear stress in the bolts must be limited to 48 ksi, determine the minimum bolt diameter that may be used for this connection. [coc00 Answer: dmin = in.For the given riveted connection shown, having the allowable stresses: Fy = 248 MPa Fy = 150 MPa (shear stress) Tensile stress=0.60 Fy Bearing stress = 1.35 Fy Rivet hole has a diameter 2mm greater than the rivet diameter. The main plate has a width of 300mm and a thickness of 20mm. Determine the diameter of rivets such the shear capacity of the rivets is equal to its bearing capacity. Also, compute the maximum value of P so as not to exceed the allowable tensile stress of plates. P- O JAK O O 300 mm -P/2 -P/2
- For the given riveted connection shown, having the allowable stresses: Fy = 248 MPa Fy = 150 MPa (shear stress) Tensile stress = 0.60 Fy Bearing stress = 1.35 Fy Rivet hole has a diameter 2mm greater than the rivet diameter. The main plate has a width of 300mm and a thickness of 20mm. Determine the diameter of rivets such the shear capacity of the rivets is equal to its bearing capacity. Also, compute the maximum value of P so as not to exceed the allowable tensile stress of plates. 300 mm t/2 -P/2 P- -P/2The gusset is riveted to a larger plate by 4 – 22mm rivets in single shear arranged andloaded as shown. Calculate the stress in the most heavily loaded rivet.2. Member BC in the truss below is a 300 mm wide, 10 mm thick steel plate attached to two other 12 mm plates at Joint C by three 24 mm diameter A325N bolts. The plate is A50. Determine the safe load Pu using ASD that the truss can resist according to the capacity of the connection. LS 15 WR + 14 DATE ON ON Mmm 70 m 40 mm
- The single shear connection consists of six 26-mm-diameter bolts. If the ultimage strength of the bolts is 720 MPa, determine the factor of safety for the connection at an applied load of P= 570 kN. P=570 kNFive M20 8.8/ bolts are used in the connection between a beam and a column. Both sides of the cleat plate are welded to column using fillet weld (Manual metal arc AS4855 B-E43XX) with size of 5 mm. The design force transferred from beam to column is 300 kN. The cleat plate has thickness of 12 mm, fy = 300 MPa, and fü = 360 MPa. Determine the unit stress sustained by the weldThe wall bracket show below carries a load of P Kip. the allowable tensile in the eye bar is 20 ksi, and the allowable shear stress in the pin is 12 ksi. Select: a) The diameter of the eye bard b) the diameter of the pin at A which is double shear c) the diameter of the pin at B which is single One eye-bar 6 ft P kip 4 ft