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← HistoryWhich outcome occurs initially with a ziggurat's clay brick structure nearing collapse, after the saturation by seasonal flooding?
A)Pore water pressure increases sharply✓
B)Tensile strength dramatically strengthens
C)Shear modulus increases structurally
D)Brittle fracture initiates rapidly
💡 Explanation
Increased pore water pressure occurs because the flooding increases moisture inside the brick's pores, thereby raising the internal pressure beyond structural limits rather than increasing strength. Therefore, pore water pressure increases, rather than alternative strength changes in the mud brick.
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