Problem #1: All the vertical bars are constructed from steel (E = 29,000 ksi and a = 6.5 x 10° 1/ºF) The mechanical loading is shown and in addition the entire system undergoes a uniform temperature change of AT = 25 °F, determine the vertical displacement at point B (red circle). Note the cross- sectional area for all the vertical bars is 0.0750 in² and assume the horizontal beams are rigid. Report your answer in inches to four decimal places. E F 4 ft C -2 ft 5 ft 4.5 ft 800 lb B D.

Problem #1: All the vertical bars are constructed from steel (E = 29,000 ksi and a = 6.5 x 10° 1/ºF) The mechanical loading is shown and in addition the entire system undergoes a uniform temperature change of AT = 25 °F, determine the vertical displacement at point B (red circle). Note the cross- sectional area for all the vertical bars is 0.0750 in² and assume the horizontal beams are rigid. Report your answer in inches to four decimal places. E F 4 ft C -2 ft 5 ft 4.5 ft 800 lb B D.

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 #1: All the vertical bars are constructed from steel (E = 29,000 ksi and a = 6.5 x 10 1/°F).
The mechanical loading is shown and in addition the entire system undergoes a uniform temperature
change of AT = 25 °F, determine the vertical displacement at point B (red circle). Note the cross-
sectional area for all the vertical bars is 0.0750 in? and assume the horizontal beams are rigid. Report
your answer in inches to four decimal places.
E
F
4 ft
H.
D
C
-2 ft-
5 ft
4.5 ft
800 lb
A
B
1 ft

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