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
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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

Terästanko, jonka materiaali on $355 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.
Vastaus: 36
Oikea vastaus on: -27
x
L
UIT
Transcribed Image Text:Terästanko, jonka materiaali on $355 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. Vastaus: 36 Oikea vastaus on: -27 x L UIT
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