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← TechnologyWhich risk increases when a pre-stressed concrete column's tendon spacing exceeds design specifications?
A)Increased buckling under axial load✓
B)Reduced resistance to chloride ingress
C)Elevated creep strain in the concrete
D)Decreased shear strength near supports
💡 Explanation
Increased tendon spacing reduces confinement, therefore increasing the unsupported length of the concrete, leading to potential buckling. This buckling is specifically due to reduced 'lateral support', rather than reduced chloride resistance, creep, or shear strength that occur due to concrete composition.
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