Two 9-in.-wide wooden boards are to be joined by splice plates that will be fully glued onto the contact surfaces, as shown in the figure. The glue to be used can safely provide a shear strength of 115 psi. Determine the smallest allowable length L that can be used for the splice plates for an applied load of P = 9,000 lb. Note that a gap of a = 0.6 in. is required between boards (1) and (2)

Two 9-in.-wide wooden boards are to be joined by splice plates that will be fully glued onto the contact surfaces, as shown in the figure. The glue to be used can safely provide a shear strength of 115 psi. Determine the smallest allowable length L that can be used for the splice plates for an applied load of P = 9,000 lb. Note that a gap of a = 0.6 in. is required between boards (1) and (2)

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.9.3P: A tie-down on the deck of a sailboat consists of a bent bar boiled at both ends, as shown in the...

See similar textbooks

Similar questions

Two 6-in.-wide wooden boards are to be joined by splice plates that will be fully glued onto the contact surfaces, as shown in Figure 2 . The glue to be used can safely provide a shear strength of 120 psi. Determine the smallest allowable length L that can be used for the splice plates for an applied load of P = 10,000 lb. Note that a gap of 0,5 in. is required between boards (1) and (2). (1) (2) 0.5 in.- FIGURE 2
Two 8-in.-wide wooden boards are to be joined by splice plates that will be fully glued onto the contact surfaces, as shown in the figure. The glue to be used can safely provide a shear strength of 145 psi. Determine the smallest allowable length L (in inches rounded to the nearest hundredths) that can be used for the splice plates for an applied load of P = 14,000 lb. Note that a gap of a = 0.6 in. is required between boards (1) and (2). •.. - L (1) (2) a
Two 6-in.-wide wooden boards are to be joined by splice plates that will be fully glued onto the contact surfaces, as shown in the figure. The glue to be used can safely provide a shear strength of 100 psi. Determine the smallest allowable length L that can be used for the splice plates for an applied load of P = 20,000 Ib. Note that a gap of a = 0.4 in. is required between boards (1) and (2). P (1) (2) Answer: L = i in.
A thrust collar that rests on a 0.95 in. thick polymer plate supports the vertical nylon shaft. The shaft has a diameter of d = 0.30 in. The load acting on the shaft is P = 490 Ib. (a) The ultimate shear strength of the nylon shaft is 2500 psi, and a factor of safety of 3.0 with respect to shear is required. Determine the minimum thickness t required for the thrust collar. (b) The ultimate bearing strength of the polymer plate is 2300 psi, and a factor of safety of 3.4 with respect to bearing is required. Determine the minimum outer diameter Dcollar required for the thrust collar. P Thrust collar area Plate d Thrust collar- Dcollar Answer: (a) t = i in. (b) Dcollar in.
The two wooden members shown in the figure support a load of 16kN and are are joined by sheets of plywood glued completely to the contact surfaces. The ultimate shear stress of the glue is 2.5 MPa and the separation between the elements is 6mm. Determine the length L required for each sheet. if a factor of safety of 2.75 is to be achieved. The figure is in the attached image.
plates 1 and 2 are glued together as shown in the figure. The tensile strength of the adhesive is 235 kN/cm^2, its shear strength is 175 kN/cm^2. With the glue evenly distributed over the rectangular surface (30mm x 70mm), determine the allowable tensile force F for the assembly.
If the contact pressure between the rope and sheave is 2.97 N.=/sq.mm. and used to raise the load of 2T=450 kN. Calculate the sheave diameter if the nominal diameter of the wire rope is 4 cm.
The axial stresses are 12 MPa C in the wood post B and 150 MPa T in the steel bar A as shown below. Pins at A, C, and D are smooth. Determine (a)The load P.(b)The minimum diameter for pin C if it is in single shear and the cross-shearing stress is limited to 70 MPa.(c)The minimum diameter for pin D if it is in double shear and the cross-shearing stress is limited to 70 MPa.
In the hanger shown in figure 2, the upper portion of link ABC is 3/8 in. thick and the lower portions are each 1/4 in. thick. Epoxy resin is used to bond the upper and lower portions together at B. The pin at A is of 3/8-in. diameter while a 1/4-in.-diameter pin is used at C. Determine: the average shearing stress on the bonded surfaces at B. the bearing stress in the link at C. Figure 2 1.75 in.- 6 in. 7 in. E 500 lb B 5 in. D -1.25 in. 10 in.
THe bracket shown is made of cold drawn steel with Sy=400MPa and Su=480 MPa, and is fastened to a beam made of the same material by five rivets that are made of a steel with Sy=300 MPa and Sut=365 MPa. The thickness of the bracket and the beam are 12 mm and 16 mm respectively.Diameters of the rivets are 20 mm. What safe load F(steady) can be supported by the riveted joint for a factor of safety of 2. Use distortion energy theory of failure.
A lap joint, consisting of 250 mm × 75 mm wooden plates, is fastened with two(2) rows of 20 mm diameter rivets . There are three(3) rivets in a row. The working stresses are 70MPa for rivets in shear and 140 MPa for plates in bearing. Find the maximum safe axial load P that can be applied to the joint. Assume that the load is equally distributed among the rivets.
For a given Data of the riveted joint shown in the figure: Given: Diameter of each rivet = 3/4 inch Maximum allowable shear stress of rivet = 96.53 MPa 3. Maximum allowable bearing stress of plate = 124.11 MPa %3D Yield Strength of the key = 45 MPa Ultimate Strength of the key = 128.5 MPa %3D Determine the maximum safe value of P that can be applied to both ends in Kips or Kilo pound. The figure below: 4 in P 7/8 in 7/8 in