Problem 01. The pin-jointed frame in the figure below has members of cross-sectional area A=1200mm² and young modulus of elasticity of 200.5 GPa. If a vertical concentrated load of 1200KN (downward) and horizontal force of 800KN (to the right) are applied at Point D. Determine: a. The vertical displacement at D in mm. b. The horizontal displacement at D in mm. c. The stress of AD due to actual loads in kN. d. The stress of AB due to horizontal unit load. e. The stress of BD due to vertical unit load. 4m B 3m 3m F E

Problem 01. The pin-jointed frame in the figure below has members of cross-sectional area A=1200mm² and young modulus of elasticity of 200.5 GPa. If a vertical concentrated load of 1200KN (downward) and horizontal force of 800KN (to the right) are applied at Point D. Determine: a. The vertical displacement at D in mm. b. The horizontal displacement at D in mm. c. The stress of AD due to actual loads in kN. d. The stress of AB due to horizontal unit load. e. The stress of BD due to vertical unit load. 4m B 3m 3m F E

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

Problem 01.
The pin-jointed frame in the figure below has members of
cross-sectional area A=1200mm² and young modulus of
elasticity of 200.5 GPa. If a vertical concentrated load of
1200KN (downward) and horizontal force of 800KN (to the
right) are applied at Point D. Determine:
a. The vertical displacement at D in mm.
b. The horizontal displacement at D in mm.
C. The stress of AD due to actual loads in kN.
d. The stress of AB due to horizontal unit load.
e. The stress of BD due to vertical unit load.
4m
B
3m
D
C
3m
E

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