A double cover butt riveted joint is used to connect two flat plates of 200 mm width and 14 mm thickness as show in the figure. There are twelve power driven rivets of 20 mm diameter at a pitch of 50 mm in both directions on either side of the plate. Two cover plates of 10 mm thickness are used. The capacity of the joint in tension considering bearing and shear ONLY, with permissible bearing and shear stresses as 300 MPa respectively is 50mm 50mm 50mm 50mm 50mm 50mm 50mm 11 11 11 Œ Ø
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- A solid steel shaft is loaded as shown. Using G=83GPa, determine the required diameter of the shaft if the shearing stress is limited to 60MPa and the angle of rotation at the free end is not to exceed 40. (in mm, round off to 2 decimal places).Two angle bars B and C are riveted to bracket A. Knowing that both angle bars are in compression and that force is 25 kN in angle bar B and 40 kN in angle bar C, determine the following: a. Number of 19 mm diameter rivets in angle bar B if the allowable bearing stress of angle bar is 60 MPa. Thickness of angle bar B is 6 mm. b. Number of 19 mm diameter rivets in angle bar C if the allowable shearing stress of rivets is 25 MPa. Thickness of angle bar is 5 mm.Situation 11 An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets The property of the channel is given: Depth, D=225 mm Flange Width, B=112.5 mm. Flange Thickness, tf=9mm Web Thickness, tw9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of t 100 MPa on shear, for bearing, o.-200 MPa on single sheer, a-260MPa on double shear Determine the location of centroid, y, from top of the beam in mm Determine the moment of inertia, I, of the section in mm^4. Determine the maximum allowable moment, M(all) in kn-m, base on the beam's cross-section. Determine the location of the maximum moment on the beam in meters. Determine the maximum moment, in kN-m, on the beam Determine the maximum flexural stress on the beam in MPa.
- The cantilever beam is subjected to the load shown Below. Determine 1. the actual stresses acting at point A. (Hint: Tmas TIN EA). 2. IfG =30 GPa find the angle of twist at the free end of beam. 10 KNSituation 11. An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets The property of the channel is given below: Depth, D=225 mm Flange Width, Bf=112.5 mm. Flange Thickness, tf=9mm Web Thickness, tw=9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of τ= 100 MPa on shear, for bearing, σb=200 MPa on single sheer, σb= 260MPa on double shear. 3. Determine the maximum allowable moment, M(all) in kn-m, base on the beam's cross-section. 4. Determine the location of the maximum moment on the beam in meters.Situation 11. An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets The property of the channel is given below: Depth, D=225 mm Flange Width, Bf=112.5 mm. Flange Thickness, tf=9mm Web Thickness, tw=9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of τ= 100 MPa on shear, for bearing, σb=200 MPa on single sheer, σb= 260MPa on double shear. 7. Determine the maximum shearing stress on the beam in MPa. 8. Determine the flexural stress, In MPa, on the fiber 30mm above NA at distance 1m from A
- Situation 11. An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets The property of the channel is given below: Depth, D=225 mm Flange Width, Bf=112.5 mm. Flange Thickness, tf=9mm Web Thickness, tw=9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of τ= 100 MPa on shear, for bearing, σb=200 MPa on single sheer, σb=260MPa on double shear. 1. Determine the location of centroid, y, from top of the beam in mm .Situation 11 An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets The property of the channel is given below: Depth, D=225 mm Flange Width, B=112.5 mm. Flange Thickness, tf=9mm Web Thickness, tw9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of t 100 MPa on shear, for bearing, o.-200 MPa on single sheer, a-260MPa on double shear. 2. Determine the moment of inertia, I, of the section in mm^4.Situation 11 An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets The property of the channel is given below: Depth, D=225 mm Flange Width, B=112.5 mm. Flange Thickness, tf=9mm Web Thickness, tw9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of t 100 MPa on shear, for bearing, o.-200 MPa on single sheer, a-260MPa on double shear. Determine the maximum flexural stress on the beam in MPa. Determine the maximum shearing stress on the beam in MPa.
- Q) A simply supported beam with rectangular section shown in the figure below carries a uniformly distributed service dead load of (50 kN/m) (including beam self rated service live load of (80 kN) at mid span, find: 1) Distance fo which the shear reinforcement will be applied. weight) and a conce 2) Spacing required for stirrups ®10mm at critical section. fo=22 Nimm® fy=420 N/mm? 80N +Situation 1| An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets The property of the channel is given below: Depth, D=225 mm Flange Thickness, tf=9mm Flange Width, B=112.5 mm Web Thickness, tw9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of t 100 MPa on shear, for bearing, o.-200 MPa on single sheer, a-260MPa on double shear 1. Determine the location of centroid, ȳ, from top of the beam in mmTwo angle bars B and C are riveted to bracket A. Knowing that both angle bars are in compression and that force is 25 kN in angle bar B and 40 kN in angle bar C, determine thefollowing: a. Number of 19 mm diameter rivets in angle bar B if the allowable bearing stress of angle baris 60 MPa. Thickness of angle bar B is 6 mm.b. Number of 19 mm diameter rivets in angle bar C if the allowable shearing stress of rivets is25 MPa. Thickness of angle bar is 5 mm.