i need the answer quickly Home Work for Thermal Stresses1. Copper bar shown calculate the stresses when the temperature drop from 85 °C to 50 °C.a = 0.000018/°C,3.5 mAL th = AL p.a. T.L = PL/(AE)a. T = o/Eo = a. T.E = 18 * 106 * 35 * 1.2 * 10 = 0.756 N/mm?2. The concrete post (Ec = 3.6 x 106 psi and ac = 5.5 x 10-6/ OF) is reinforced with six steelbars, each of 78 -in diameter (Es = 29 x 106 psi and as = 6.5 x 10-6/ OF). Determine the normalstresses induced in the steel and in the concrete by a temperature rise of 650F.6 ft10 in.10 in.3. The assembly shown consists of an aluminum shell (Ea 10.6 x 106 psi, aa 12.9 x10-6/ OF) fully bonded to a steel core (Es =29x106 psi, as = 6.5 x 10-6/ OF) and isunstressed. Determine a) the largest allowable change in temperature if the stress in thealuminum shell is not to exceed 6 ksi, (b) the corresponding change in length of theassembly.8 in.0,75 in.Aluminum shellSteel1.25 in.core

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Answered: 1. Copper bar shown calculate the…

Engineering

Civil Engineering

1. Copper bar shown calculate the stresses when the temperature drop from 85 °C to 50 °C. a = 0.000018/ C, 3.5 m

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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Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.

Question

i need the answer quickly

Home Work for Thermal Stresses
1. Copper bar shown calculate the stresses when the temperature drop from 85 °C to 50 °C.
a = 0.000018/°C,
3.5 m
AL th = AL p.
a. T.L = PL/(AE)
a. T = o/E
o = a. T.E = 18 * 106 * 35 * 1.2 * 10 = 0.756 N/mm?
2. The concrete post (Ec = 3.6 x 106 psi and ac = 5.5 x 10-6/ OF) is reinforced with six steel
bars, each of 78 -in diameter (Es = 29 x 106 psi and as = 6.5 x 10-6/ OF). Determine the normal
stresses induced in the steel and in the concrete by a temperature rise of 650F.
6 ft
10 in.
10 in.
3. The assembly shown consists of an aluminum shell (Ea 10.6 x 106 psi, aa 12.9 x
10-6/ OF) fully bonded to a steel core (Es =29x106 psi, as = 6.5 x 10-6/ OF) and is
unstressed. Determine a) the largest allowable change in temperature if the stress in the
aluminum shell is not to exceed 6 ksi, (b) the corresponding change in length of the
assembly.
8 in.
0,75 in.
Aluminum shell
Steel
1.25 in.
core

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