T = 977 kPa P = 63 kN What is the length L (mm) of splice plate is needed? Calculate for exact values. Answer with 2 decimal places.
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- The wooden members A and B are to be joined by plywood splice plates that will be fully glued on the surfaces in contact. The clearance between the ends of the members is to be 11.4 mm, the length of the plywood is L = 316 mm and the width of the wood is W = 98 mm. Find the largest possible value of P (in N) if the average shearing stress in the glue is not to exceed S = 810 kPa.The rivet group connects two narrow lengths of plate, one of which carries a 15 kN load. If the ultimate shear strength t of a rivet is 350 N/mm² and its failure strength in compression o is 600 N/mm², determine the minimum allowable values of rivet diameter d (mm) and plate thickness t (mm).Strength of material The beam shown is made from two boards. Determine the maximum load (w) that can be applied if the allowable shear stress in the glue necessary to hold the boards together along the seam where they are joined is 10 MPa.
- A pair of wood components having a dimension of 100mm X 100mm is joined by means of glue as shown. Determine the maximum axial load F, that most nearly can be subject to the woodpost without exceeding a maximum shear stress of 1650 KPa parallel to the cross section in kN.width of the bar = 45 mm; thickness of the bar = 14 mm; diameter of the pin = 19 mm; yield strength of the bar material = 425 MPa; required factor of safety against yielding failure = 1.9; bearing strength of the bar material = 410 MPa; required factor of safety against bearing failure = 2.2; shear strength of the pin material = 600 MPa; and required factor of safety against shear failure = 2.3. Detrmine max allowable PThe piece of wood shown below was used in an experiment. During the test it sheared parallel to the wood grain along the dashed line. Determine the average shear stress on that failure plane for a maximum load of P = 1250 lb. The dimensions of the wooden specimen are t = 2.0 in. and L = 5 in.
- Solve Sample Problem No. 1 using these load values: a. M D =175 kN-m,M L =1 90 kN-m b. Find the maximum design moment so that its tension controlled. (USE c = 3d / 8). Tension steel exactly experiences 0.005 strain.A plate is connected to another plate via 20 mm diameter rivets. It carries a load of P=155 kN at a distance of (155+67) mm from the rivet group's centroid. Assume a = 131 mm. (Hint: There is no NSCP involved; therefore, load factors are omitted.) Identify the following: 1. Shear stress (kPa) on each rivet due to force alone?2. Shear stress (kPa) on each rivet due to torsion alone?3. Shear stress (kPa) on the highly stressed rivetTwo steel plates, each 4 in. wide and 0.25 in. thick, reinforce a wood beam that is 3 in. wide and 8 in. deep. The steel plates are attached to the vertical sides of the wood in a position such that the composite shape is symmetric about the z-axis, as shown in the figure. Determine the maximum bending stress produced in both the wood and the steel if a bending moment of Mz = +50 kip-in is applied about the z-axis. Assume Ewood = 2000 ksi and Esteel = 30000 ksi.
- A tensile test was performed on a metal specimen having a circular cross section with a diameter 0. 510 inch. For each increment of load applied, the strain was directly determined by means of a strain gage attached to the specimen. The results are, shown in Table: 1.5.1. a. Prepare a table of stress and strain. b. Plot these data to obtain a stress-strain curve. Do not connect the data points; draw a best-fit straight line through them. c. Determine the modulus of elasticity as the slope of the best-fit line.The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular cross section of 0.2011in.2 in area and a gage length (the length over which the elongation is measured) of 2.000 inches. The specimen was not loaded to failure. a. Generate a table of stress and strain values. b. Plot these values and draw a best-fit line to obtain a stress-strain curve. c. Determine the modulus of elasticity from the slope of the linear portion of the curve. d. Estimate the value of the proportional limit. e. Use the 0.2 offset method to determine the yield stress.Three wooden boards are glued together to form an I-beam as shown in Figure 2(a). The allowable shear stress of the glue is 100 N/cm2 . i. Analyze the beam using transverse shear and determine the maximum shear force V the beam can sustain such that the allowable shear stress in the glue will not be exceeded. ii. In figure 2(b), the nails are to be used instead of the glue and the nails are spaced 12 cm apart along the axis of the beam. Analyze the beam using shear flow theory and determine the minimum required allowable shear force on the nails such that the maximum V the beam can sustain is that found in part (i).