Terästanko, jonka materiaali on S355 J2 G3, sitoo kaksi seinää toisiinsa. Sidetangossa on esikiristys 4,3 kN. Tangon lämpötila kasvaa 15 °C. Laske tangon poikkileikkauksen normaalijännitys. L=600 mm, a = 12µ 1/°C, E = 200 GPa ja d = 25 mm Anna vastaus yksikössä MPa kokonaislukuna pelkkänä lukuarvona. ød AVA
Terästanko, jonka materiaali on S355 J2 G3, sitoo kaksi seinää toisiinsa. Sidetangossa on esikiristys 4,3 kN. Tangon lämpötila kasvaa 15 °C. Laske tangon poikkileikkauksen normaalijännitys. L=600 mm, a = 12µ 1/°C, E = 200 GPa ja d = 25 mm Anna vastaus yksikössä MPa kokonaislukuna pelkkänä lukuarvona. ød AVA
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steel bar, the material of which is S355 J2 G3, binds two walls together. Pre-tensioning in tie bar 4.3 kN. The temperature of the rod increases by 15 °C. Calculate the normal stress in the cross section of the bar. L = 600 mm, α = 12μ 1/°C, E = 200 GPa and d = 25 mm . Give the answer in MPa as a whole number as a numerical value only. Correct answer to exercise should be = -27
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