疲ひ労ろう破は壊かい

ひ

ろ

う

は

か

い

Meanings

1

fatigue fracture; fatigue failure

Engineering term for material failure caused by repeated cyclic stress below the ultimate tensile strength.

て

発はっ

生せい

する

。

Fatigue fracture of metal parts occurs due to repeated loading.

橋はしの崩ほう落らくは鋼こう材ざいの疲ひ労ろう破は壊かいが原げん因いんだった。

The bridge collapse was caused by fatigue failure of the steel members.