Page 27 - KAJIDAYA BAHAN

KAJIDAYA BAHAN

Data diberi:
D0 = 30 mm
L0 = 80 mm
D1 = 29.994mm
L = 0.0585 mm
P = 100 kN
muktamad =230 MN/m 2

Penyelesaian

i) Tegasan
P
 = --------
A

π D 2
A = ---------------
4

-3 2
π (30 x 10 )
= ------------------
4
-4 2
= 7.069 x 10 m

P
 = -------
A

100 x 10 3
= -------------------
-4
7.069 x 10

2
= 141.463 MN/m @ MPa

ii) Terikan paksi

Lf –Lo
paksi = -----------
Lo

0.0585 x 10 -3
= ----------------
-3
80 x 10

-4
= 7.3125 x 10

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