Which risk increases when rebar cage installation precedes concrete pouring in cold weather conditions?

💡 Explanation

When rebar is exposed to significant cold before concrete pouring, large temperature gradients develop during hydration generating thermal stress because the concrete heats up while rebar remains cold, leading to cracking. Therefore thermal stress cracks are the risk, rather than compressive strength, corrosion, or segregation which involve fundamentally different mechanisms.

• Which risk increases when a pilot commands rapid, full aileron deflection at high airspeed?
• Which mechanical failure results from exceeding gas turbine exhaust temperature limits?
• Which outcome occurs when a capillary tube becomes clogged within a residential split-system air conditioner using R-410A refrigerant?
• Which consequence results when desiccant saturation occurs in a regenerative desiccant dehumidifier?
• Which outcome occurs when a distribution transformer fails during peak load due to winding insulation breakdown?
• Which signal distortion is amplified by coherent signal processing in long-distance fiber optic links?