The box beam is made by nailing four 2-in. by 8-in. planks together as shown. (1) Compute the maximum bending stress in the beam. (2) Sketch the bending stress distribution over the cross section on which the maximum bending stress occurs. (3) Compute the bending stress at a point on section D that is 4 in. below the top of the beam. P = R kips; w. = 0.5R ksi.

The box beam is made by nailing four 2-in. by 8-in. planks together as shown. (1) Compute the maximum bending stress in the beam. (2) Sketch the bending stress distribution over the cross section on which the maximum bending stress occurs. (3) Compute the bending stress at a point on section D that is 4 in. below the top of the beam. P = R kips; w. = 0.5R ksi.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The wood beam has a rectangular cross section in the proportion shown. The allowable bending stress iss =10 MPa. 500 N/m 1.5 b OB - x m 2 m 2 m Calculate the centroid of the cross section of the beam O (1.5b, 1.5b] O (1.5b/2), (1.5b/2)] O (0.(1.5b/2)] O (0,0) [(1.5b/2), 0] O (0, 1.5b)
Use principles of steel solution. explain each step STEEL DESIGN Beam CD is simply supported at C and D. 1. Compute the maximum bending stress of beam CD. 2. By investigation, the beam CD has an allowable bending stress, Fb = 94MPa. To strengthen the beam, 2 cover plates of 10 mm thick are to beadded on the top and bottom flanges as shown in Figure ST - 903. 3. Compute the required width of the cover plates. 4. Compute the cut off point of the cover plates from each support at C and D.
Determine the maximum tensile bending stresses in the beam shown. LetP= %3D 19 Note Answer in whole number I = 100 × 106 mm4 P kN/m 2. NA 130 mm 6 m B = 4P 200 mm 2P kN 6-X= Am 4P : - GP
Problem 1 A truss is subjected to the loadings as shown in the figure. Determine the force at member JI, IC, CD, and DI. Use combined solution using Method of Section and Method of Joints. State wether the force is Tension or Compression. USE 3 DECIMAL ONLY. 10 m, 5 @ 2 m 3 kN 6 kN 4 kN 3 kN 1.5 kN K Jooo o foo 00 F 5 m 9 kN B A Figure 1.0
The simply supported beam is built-up from three boards by nailing them together as shown. The wood has an allowable shear stress of tallow = 1.5 MPa, and an allowable bending stress of sallow = 9 MPa. The nails are spaced at s = 75 mm, and each has a shear strength of 1.5 kN. Determine the maximum allowable force P that can be applied to the beam. (Hint: There are three conditions.)
Physics The following truss is subjected to a load of P = 31 kN at joint C. The pin at joint A has a diameter of 25 mm and is subjected to double shear. Determine the average shear stress developed in pin A of the truss. Im PRN Im Pin A a. In your Hard Copy, draw a FBD of the truss. b. What is the Resultant force at A? Aresultant = Number Units (Answer to 3 sig digs) c. What is the shear stress in A? TA = Number Units (Answer to 3 sig digs
Steel links having the cross section shown are available with different central angles B. Knowing that the allowable stress is 10 ksi, determine the largest force P that can be applied to a link for which B = 90°. P' B 0.4 in. 1.2 in. 0.4 in. A C 0.3 in. B A с The largest force P that can be applied is 0.8 in. 0.8 in. lb.
Solve this problem using stiffness Method and draw SFD and BMD P=95 STRUCTURE-2
For the truss shown, determine the safe value of P if the allowable stress in tension is 146 MPa in tension and 92 MPa in compression. The cross-sectional area of vertical and horizontal members is 1260 mm2 while that of diagonal members is 862 mm2 .
For the truss shown and loading, determine the axial stress in member BG in ksi. Use two decimal places. Express your answer in absolute value. Assume the sectional areas of the following: Top and bottom members = 1.80 in? Web members = 0.90 in? H 6 ft B 20 kip 40 kip 6 ft @ 4 = 24 ft
For the truss shown below, P = 9.1 kips, a = 9 ft, and b = 7 ft. Determine the force in member 4 (tension is positive). q Type your answer... a
A square box beam is made of two 20X80-mm planks and two 20X120-mm planks nailed together as shown. We know that the spacing be- tween the nails is s=50 mm and that the allowable shearing force in each nail is 300 N, calculate (a) the largest allowable vertical shear in the beam, (b) the corresponding maximum shearing stress in the beam. E 20 mm 80 mm 20 mm S 120 mm S