Civil Engineering Terms Part 6 (PSAD)

The portion in the stress-strain curve beyond which the stress is no longer proportional to strain.

• Elastic limit

• Limit state

• Plastic limit

• Proportional limit

A force that will balance one or more unbalanced forces.

• load

• active force

• equilibrant

• stress

The ability of a deformed material body to return to its original shape and size when the forces causing the deformation are removed.

• plasticity

• elasticity

• tenacity

• toughness

Materials having the same composition at any point.

• homogeneous

• isotropic

• orthotropic

• heterogeneous

Material property which enables it to undergo large permanent strains before failure

• malleability

• ductility

• elasticity

• permanency

Forces generated by a body in motion

• static

• dynamic

• impulse

• momentum

Within elastic range, the slope of the straight line portion of the stress- strain curve.

• Poisson's ratio

• Young's modulus

• Elastic limit

• Hooke's law

The ratio of lateral strain to longitudinal strain

• Poisson's ratio

• Young's modulus

• Elastic limit

• Hooke's law

Within the proportional limit, stress is directly proportional to strain

• Hooke's law

• Young's modulus

• Elastic limit

• Poisson's ratio

Energy by virtue of velocity

• kinetic

• potential

• kinesis

• work