Rigid culverts are generally made from steel or aluminum. This statement is.

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Multiple Choice

Rigid culverts are generally made from steel or aluminum. This statement is.

Explanation:
This tests the material typically used for rigid culverts and how rigidity relates to the chosen material. Rigid culverts are usually made from reinforced concrete, forming box or slab culverts that resist deformation under traffic and earth pressures. Steel or aluminum culverts, on the other hand, are commonly used as flexible culverts—pipes or closed shapes that can deflect and bend under load and backfill conditions. So the claim that rigid culverts are generally made from steel or aluminum isn’t accurate; the standard rigid type relies on concrete for stiffness and stability.

This tests the material typically used for rigid culverts and how rigidity relates to the chosen material. Rigid culverts are usually made from reinforced concrete, forming box or slab culverts that resist deformation under traffic and earth pressures. Steel or aluminum culverts, on the other hand, are commonly used as flexible culverts—pipes or closed shapes that can deflect and bend under load and backfill conditions. So the claim that rigid culverts are generally made from steel or aluminum isn’t accurate; the standard rigid type relies on concrete for stiffness and stability.

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