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When stacked masonry arch segments incompletely transfer compressive stress under load, which outcome results?

A)Arch barrel vault cracking increases
B)Keystone shear stress is alleviated
C)Support abutment thrust force decreases
D)Spandrel wall tensile strength raises

💡 Explanation

Incomplete transfer causes arch barrel vault cracking because hoop stress is not fully distributed, therefore tensile forces concentrate within the masonry, rather than being successfully channeled through compressive hoop stresses.

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