neutral axis

noun

an imaginary line in the cross section of a beam, shaft, or the like, along which no stresses occur.

neutral axis

engineering the line or plane through the section of a beam or plate which does not suffer extension or compression when the beam or plate bends

First recorded in 1835–45

On one side of the dark band we have strain, on the other side pressure, the band marking the neutral axis between both.

The neutral axis of reinforced concrete beams under safe loads is near the middle of the depth of the beams.

It can be safely said that the neutral axis is at, or a little above, the center of the beam.

This higher position of the neutral axis is the one more generally shown by tests of beams.

Analogy with a riveted truss fails; even the anchorage above the neutral axis is far from realization.

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