In the Figure 5, if the Young modulus is 200 Gpa, the strain percentage in the direction of the normal force is Figure 5: y P = 400 KN 30° → X Area 30 mm 20 mm 1000 mm الاختيارات 0.28% 0.38% 0.08% 0.18%

In the Figure 5, if the Young modulus is 200 Gpa, the strain percentage in the direction of the normal force is Figure 5: y P = 400 KN 30° → X Area 30 mm 20 mm 1000 mm الاختيارات 0.28% 0.38% 0.08% 0.18%

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

In the Figure 5, if the Young modulus is 200
Gpa, the strain percentage in the direction of
the normal force is
Figure 5:
y
P = 400 KN
30°
→ X
Area 30 mm
20 mm
1000 mm
الاختيارات
0.28%
0.38%
0.08%
0.18% O

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Refer to the figure 1. Which of the following most nearly gives the value of the major principal stress? Answer: 216 kPA 2. Which of the following most nearly gives the value of the normal stress on the plane AB? Answer: 174.64 kPa 3. Which of the following gives the value of the shear stress on the plane AB? Answer: 54.64 kPA
F. A square rod with dimensions 0.02 m x 0.02 m x 0.5 m is attached to a solid surface as shown. If the forces on the rod are too large, it will either crush or be sheared off where it is attached to the solid surface. If the rod can withstand either a maximum normal stress of 25 kPa or a maximum shear stress is 15 kPa, a)what is the largest allowable magnitude of F, (in N) if F,=0? b)what is the largest allowable magnitude of F, (in N) if F,=0? F2
Q 3: A 60° strain rosette attached to the aluminum skin of an airplane fuselage measures the following strains in micro-meters per inch: ɛ, = 100, ɛb = -200, ɛ = 400. If E = 10 x 10° Psi and v = 1/3. Compute the principal stresses and maximum shear stresses and their planes.
Solve only 4.4 and 4.5
In the Figure 5, the normal stress on the cross- sectional area is (in Mpa): Figure 5: у P = 400 KN X 30 mm 1000 mm 30° Area 20 mm الاختيارات 577 O 597 587 O 567
In the Figure 5, if the Young modulus is 200 Gpa, the strain percentage in the direction of the normal force is Figure 5: у P = 400 KN → X 30 mm 1000 mm 30° Area 20 mm الاختيارات 0.28% 0.38% 0.08%
Problem 03