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Which failure risk substantially increases when welding transverse stiffeners incorrectly onto a steel beam's tension flange?

A)Lamellar tearing within steel
B)Reduced thermal conductivity
C)Increased buckling resistance
D)Enhanced fatigue endurance

💡 Explanation

Incorrect welding introduces high, localized residual stresses, because the heat-affected zone undergoes constrained contraction during cooling, triggering potential for lamellar tearing rather than enhanced strength; therefore, tearing risk rises, while improved conductivity is unrelated.

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