The thin-walled cantilever box beam shown in Fig. P.14.10 carries a vertically downward load of 100 kN at its free end. Calculate the principal strains at the point A which lies at the edge of the top cover of the beam at the built-in end. Take E=200000 N/mm² and v=0.3. Ans. ɛ1=9.33×10¬ª, ɛ11=-2.87×10-4.

The thin-walled cantilever box beam shown in Fig. P.14.10 carries a vertically downward load of 100 kN at its free end. Calculate the principal strains at the point A which lies at the edge of the top cover of the beam at the built-in end. Take E=200000 N/mm² and v=0.3. Ans. ɛ1=9.33×10¬ª, ɛ11=-2.87×10-4.

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

Consider a point in a structural member that is subjected to plane stress. Normal and shear stresses acting on horizontal and vertical planes at the point are shown. Let T = 39 MPa and o = 19 MPa. Determine the center ocenter of the corresponding in- plane Mohr's circle. 50 MPa -21.56 MPa O -17.85 MPa O -10.87 MPa -14.07 MPa -15.50 MPa
8. For the beam shown in Figure 3 (a) Determine the displacements and slopes at node 2; (b) Determine the reactions. HTT 4m 2 10 kN 4 m k=100 kN/m Figure 3 3 Till E=50GPa I=2x104m²
A force of 521 kN is applied at joint B to a system of two-pinned joined bars shown in the figure. Determine the required cross-sectional area of the bar BC if the allowable stresses are 175 MPa in tension and 74 MPa in compression. 521 kN B 1.5 mt 1.5 m 3.0 m 3.0 m
Check the cross-section for bending if the allowable normal stress is o =±120 MPa. a: + + 1 = 4 m a = 15 cm q = 3 kN/m a +
Question ) Forces of F1=3 kN from point B in the z direction, F2=5 kN from point C in the z direction and F3=8 kN in the y direction are acting on the arm in the figure. The lengths of the arm are also given as L1=0.18 m and L2=0.17 m. It is desired to determine the stress state of point A on the a-a section taken from the arm. The radius r of the section is r=0.3 m and the shear modulus of the arm material is G=79 Gpa. According to this; Question 1-A) Find the shear stress due to the shear force at point A. (Write your result in MPa.Question 2-B) Find the shear stress due to the torsional moment at point A. (Write your result in MPa.Question 3-C) Find the total shear stress at point A. (Write your result in MPa)Question 4-D) Find the normal stress caused by the normal force at point A. (Write your result in MPa Question 5-E) Find the normal stress caused by the bending moment at point A. (Write your result in MPa.)Question 6-F) Find the total normal stress at point A. (Write your…
7) The load P is located midway between points B and C. P = 1.7 kN. The diameter of the rod at CE is 4.8 mm. The young's modulus of the rod metal = 200 GPa. What is the elongation of the rod CE? 600 mm IB 600 mm 600 mm Elongation of rod EC = units
Use X = 137 Y = 37 A = 6 B = 8 C = 1
29. Calculate the compressive stress in the steel core in MPa due to the force P. A. 25.1B. 28.3C. 22.4D. 21.8
For a certain arrangement of two bars carrying only axial forces, the equilibrium and compatibility equations are: Equilibrium: t1+3t2=2kN Compatibility: 2e1 + e2 = 0.1mm There is also a temperature rise of 50oC. Show calculations for the tension in the two bars, where EA=90x103kN and α=12 x10-6 *C for both bars and L1=500mm and L2=400mm.