Distinguish between bearing type connection & friction type connection
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Distinguish between bearing type connection & friction type connection
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- Determine the critical net width for the staggered bolted connection as shown in the figure below. The diameter of the bolts is 19 mm. Use depth 4y = 200 mm. %3D x = 0.8y A y y E.Determine the net tensile area for the connection plate shown. Use a 3/8" plate with 3/4" bolts with standard holes 5" 2" 3. 3" 2" O 2.5" typ. 5" 1,2Problem. A bolted connection shown consists of two plates 300 mm x 12 mm connected by 4 - 22 mm diameter bolts. 12 mm bolts T12 mm te12 mm P 300 75 75 75 Edge distances = 75 mm %3D dnole for tensile and rupture = dp +3 mm %3D dnole for bearing strength for Lec = d + 1.5 mm Fy = 248 MPa Fu = 400 MPa %3D En 330 MPa %3D Use LRFD design method. Determine the design strength due to tensile rupture strength of plates. (kN)
- draw -for the tread bars - 3-D 10 mm -for teh iser bars- d 10 mm @150 mm o.c. size of wooden handril= 3"x5" narra wood size of newel post = from 4"x 4 narra wood stair railing= metal stair railingsWhat is the wet service factor, CM, for a nailed connection that is "wet" (MC>19%) at the time of fabrication but "dry" (MC<19%) in service? Use NDS Table 11.3.3. 0.8 0.4 0.7 1.0Plastic hinge calculation
- Differentiate slip-critical connection and bearing type connection. When is it better to use bolts rather than rivets? Explain.For the connection shown in the accompanying illustration, Pu = 475 k and Pa = 320 k, determine the number of 7/8-in A502, Grade 2 rivets required.Fv = 25 ksiGiven: Compute A,, and A, for a 14-in.-wide and ½-in.-thick plate subject to tensile loading with staggered holes as shown in Figure ½" thick- P 2.00" 3.00 4.00 3.00 2.00 A B EF O s=2.50" D G 34" bolts in 13/16" holes P
- (2) 24" 4#8 12" opening Iz" 14" I 2,5" fé=3000 psi Grade 60 steel Mn= ? NwC " Tied Bars.Determine the maximum factored LRFD tensile force capacity in tension only (no block shear). The angle is ASTM A36 steel. X = 0.7 Y = 3.8 Z=1/2 Round your answer to 2 decimal places. Your Answer: Incorrect The answer is 77.15 ± 1%. 1/2" X" bolts 1½" Gusset plate -L3 X 3 X Z Tu I(3) 12" 6 4 #9 14² 21" 3" fé= 4ksi. Nwc Grade 60 steel Mn=? 1 Tied Bars.