QUESTION 2. A box beam is constructed from four boards nailed together and is loaded by distributed andpoint forces as shown in Figure 2. Each nail is made of A-36 steel material and has a diameter of 6mm. Eachnail can support a shear force of tale 80 MPa. By drawing the shear diagram for the beam,a. Determine the critical section for shear.b. Determine the maximum spacing s of the nails for the first and second cross-sections.12 kN8 kN/mB-2 mFigure 2Section 1Section 2

∑FV=0VA+VB=8×4+12=48∑MA=0VA×4-8×4×2+12×2=0VA=10 KNand VB=38 KN⇒Shear force shear force at A =10…

QUESTION 2. A box beam is constructed from four boards nailed together and is loaded by distributed and point forces as shown in Figure 2. Each nail is made of A-36 steel material and has a diameter of 6mm. Each nail can support a shear force of t 80 MPa. By drawing the shear diagram for the beam, a. Determine the critical section for shear. b. Determine the maximum spacing s of the nails for the first and second cross-sections. 12 N 8 kN/m B- Figure 2 Section 1 Section 2

QUESTION 2. A box beam is constructed from four boards nailed together and is loaded by distributed and point forces as shown in Figure 2. Each nail is made of A-36 steel material and has a diameter of 6mm. Each nail can support a shear force of t 80 MPa. By drawing the shear diagram for the beam, a. Determine the critical section for shear. b. Determine the maximum spacing s of the nails for the first and second cross-sections. 12 N 8 kN/m B- Figure 2 Section 1 Section 2

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

Three plates are welded together to form the section shown. Dimensions of the cross section are b= 4.7 in., d = 14.1 in., a = 2.8 in., and t= 0.5 in. For a vertical shear force of V = 42 kips, determine the shear flow through the welded surface at B. B a b Answer: kip/in.
can you write the answer please
A wooden frame shown below is supported by a tie rod CF and a pin support at A. The diameter of the tie rod CF is 30 mm, and the cross-sectional area of member BD is 900 mm?. The diameters of the pins at A and D are 8 mm and 12 mm, respectively, and each pin is subjected to double shear. If the weight of the bucket hanging from end E is 3 kN, determine (a) The axial stresses in tie rod CF and member BD. (b) The shear stresses in pins A and D. - 0.6 m-0.6 m→ D E 0.6 m V30B 1.2 m F
Problem 2: A beam is made of four rectangular boards nailed together as shown. Note that the nails at C are aligned horizontally, while the nails at D are aligned vertically. Each nail can support a shear force Fs = 100 lb, and the entire beam cross section is subjected to an internal shear force V = 710 lb. (a) Determine the maximum spacing, s, for the horizontal nails. (b) Determine the maximum spacing, s', for the vertical nails. in. 10 in. A 10 in. BL 1 in. KE 1.5 in. 1 in. 2 in.
A wooden beam is fabricated from one (2 x 10 in) and two (2 x 4 in) pieces of dimension lumber to form the l-beam cross section shown in Figure. The flanges of the beam are fastened to the web with nails that can safely transmit a force of (120 Ib) in direct shear. If the beam is subjected to a shear force of (500 Ib), determine the maximum the maximum shear stress in the l-beam. Use l = 748 in4 4 in. 2 in. 2 in. 10 in. 2 in. Nails 50.3 psi O 24.4 psi 45.3 psi O 12.0 psi O
A wooden beam is fabricated by nailing together three pieces of dimension lumber as shown. The cross-sectional dimensions of the beam are also shown. The centroid is 3.4 in. below the top surface of the beam, and the moment of inertia about the z axis is 230.9 in.4. The beam must support an internal shear force of V = 365 Ib. If each nail can provide 120 Ib of horizontal resistance, determine the maximum spacing sfor the nails. 2 in. 4 in. 2 in. 2 in. 8 in. O 4.86 in. 8.32 in. O 7.91 in. 9.36 in. O 5.59 in.
The beam is made from four boards nailed together as shown below. If the nails can each support a shear force of 500 N, determine their required spacing s' and s if the beam is subjected to a shear of V = 3.5 KN. 25 mm 250 mm 250 aut BE 40 mm 25 mm 25 mm 50 mx
QUESTION 2. A box beam is constructed from four boards nailed together and is loaded by distributed and point forces as shown in Figure 2. Each nail is made of A-36 steel material and has a diameter of 6mm. Each nail can support a shear force of taw 80 MPa. By drawing the shear diagram for the beam, a. Determine the critical section for shear. b. Determine the maximum spacing s of the nails for the first and second cross-sections. 50 mm +100 mmH 12 kN 8 kN/m - 2 m aua う Seetion 1 Saotion ?
d = 100 mm x = 50 MPa Fig. 01 d = 75 mm T = 80 MPa 02 Determine the smallest allowable diameter brass rod, of length 3.0m, if the rod is to be twisted through one complete revolution without exceeding a shearing stress of 50 MPa. For brass, G = 39 GPa.
PLEASE DRAW THE FBD. DO NOT COPY YOUR ANSWER FROM OTHER. I WANT TO SEE THE FBD OF INDIVIDUAL DEFORMATIONS ON HOW YOU WILL ARRIVE ON YOUR ANSWER. DRAW FBD ON EACH PLEASE. NOT ONLY ONE FBD
Two forces, each of magnitude P, are applied to the wrench. The diameter of the steel shaft AB is 15.3 mm. Determine the largest allowable value of P (in N) if the shear stress in the shaft is not to exceed 87.95 MPa and its angle of twist is limited to 5.41°. Use G = 80.32 GPa for steel and L= 433 mm. Round off the final answer to two decimal places. ... P -300 mm P- B L A