A wooden beam is fabricated by nailing together three boards as shown. The boards have dimensions of b1 = 17 in., d1 = 2.4 in., b2 =2.4 in., d2 = 15 in., b3 = 9 in., and dg = 2.4 in.(a) Determine the distance from the bottom edge of the section to the centroid.(b) Determine the moment of inertia of the section about the z axis.(c) Determine the maximum shear stress in the cross section if the internal shear force is V = 520 lb. Assume that the shear force Vacts in the y direction.(d) Consider nail B that connects the bottom flange to the beam web. If the nails used at B can provide 120 lb of horizontalresistance (in the x direction), determine the maximum nail spacing s (in thex direction) that can be used for nail B. Assume V = 520Ib.(e) If a bending moment applied about the z axis produces a tension normal stress of ox = 740 psi at the bottom of the cross section,determine the compression normal stress produced at the top of the cross section.b1Nail Adid2b2d3Nail Bb3

Given b1= 17 in , d1= 2.4 in , b2= 2.4 in , d2= 15 in , b3= 9 in, d3= 2.4 in Internal shear…

A wooden beam is fabricated by nailing together three boards as shown. The boards have dimensions of b1 = 17 in., d1 = 2.4 in., b2 = 2.4 in., d2 = 15 in., b3 = 9 in., and dg = 2.4 in. (a) Determine the distance from the bottom edge of the section to the centroid. (b) Determine the moment of inertia of the section about the z axis. (c) Determine the maximum shear stress in the cross section if the internal shear force is V = 520 lb. Assume that the shear force V acts in the y direction.

A wooden beam is fabricated by nailing together three boards as shown. The boards have dimensions of b1 = 17 in., d1 = 2.4 in., b2 = 2.4 in., d2 = 15 in., b3 = 9 in., and dg = 2.4 in. (a) Determine the distance from the bottom edge of the section to the centroid. (b) Determine the moment of inertia of the section about the z axis. (c) Determine the maximum shear stress in the cross section if the internal shear force is V = 520 lb. Assume that the shear force V acts in the y direction.

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

A steel bar AD has a cross-secțional area of 260 mm? and is loaded by forçes P, = 12 kN, P2-8 kN. and P3 = 6, kN. The lengths of the segments of the bar are a = 1:5 m, b = 0.6 m, ạnd c = 0.9 m. (a) Assuming that the modulus of elasticity E = 210 GPa, calcuļate the change in length & of the bar. Does the bar elongate or shorten? (b) By what amount P should the load P, be increased so that end D of the bar does not move when the loads are applied? %3D P1 P2 P3 A в a b
! Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The components of a frame are shown. 4 in. - 12 in. Cx Cy 2 in. 8 in. lb ↓ B lb + lb ↑ C ¹ |—— 6 in. —-|P - P Determine the components of all forces acting on member ABCD when 8 = 90°. Take P= 140 lb. The components of all forces acting on member ABCD when 0 = 90° are A = lb → B = 0 D= in.- F
For the truss shown, Find the height of the truss?Analyze the load on each member of the truss?
Beam AB has a modulus of elasticity of E= 30 x 106 psi and Poisson's ratio of 0.30. Disregarding the weight of the beam Calculate the change (Ab; in inches) in the width of the top of the beam at the midpoint of the span. 12 in.- B4.JPG = 8k 24 in. =8k 12 in. B Q in. ----2in. » Q
TRUSS ANALYSIS
Determine the smallest cross-sectional area A (in²) required for the members of the truss shown below, so that the horizontal deflection at joint E due to the external loads does not exceed 3.25 (104) feet. The modulus of elasticity of the members is constant E= 1.44 (106) k/ft². Correct Answer You Answered 4 k- 8.31 14.23 12.80 6 k - 5 ft- 5 ft 5 ft-5 ft 5 ft- Non of the answers 6.0 C 10.51 6 k to 6 k E B 10 ft
22:39 The beam is constructed using 2 boards and 3 rows of nails spaced equally. A shear force is applied to the board. d3 d3 Variable Values for the figure are given in the following table. Note the figure may not be to scale. d₁ d₂ d3 d4 d₁ V Value 0.2 m 0.2 m wamap.org 0.08 m 0.5 m 630 N a. Determine the Qat where the boards meet. b. Determine the moment of inertia, I. c. Determine the shear flow for each nail, q. d. Determine the shear force resisted by each nail, F. Round your final answers to 3 significant digits/figures. Q = 0.07 xm³
The beam is made from four boards nailed together as shown. If the nails can each support a shear force of 100 lb., determine their required spacing s and if the beam is subjected to a shear of V = 700 lb.
The wood column is pinned at its base and top. Determine the maximum eccentric force P the column can support without causing it to either buckle or yield. Take E = 10 GPa and s Y = 15 MPa.
The cantilever beam consists of a rectangular structural steel tube shape [E = 29,000 ksi; I = 1860 in.“]. For the loading shown, determine: (a) the beam deflection at point A. (b) the beam deflection at point B. Assume MA = 180 kip-ft, P = 12 kips, LAB = 3.8 ft, LBC = 5.7 ft. MA A B LAB LBC Answer: (a) VA = in. (b) VB = in.
Problem 5.6 Determine the force in each member of the truss. Set P = 3.1kN and P2 = 2.3kN . 30 30 C 3 m 3 m Part A Determine the force in member AB. Express your answer with the appropriate units. HẢ FAB = Value Units
The cantilever beam consists of a rectangular structural steel tube shape [E = 29,000 ksi; | = 1960 in.4]. For the loading shown, determine: (a) the beam deflection at point A. (b) the beam deflection at point B. Assume MA = 160 kip-ft, P = 17 kips, LAB = 6.4 ft, LBC = 9.6 ft. AP MA A B C LAB LBC Answer: (a) VA = in. (b) VB = in.