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Damage and deformation of bending member’s normal section
Release time:2016-12-22 09:54:25 | Views：
Damage and deformation of bending member’s normal section

1. Reinforcement damage
Tensile zone of longitudinal reinforcement bend first, concrete in compression zone crushed. Before the beam broken, tensile zone of longitudinal reinforcement go through plastic deformation. Vertical crack come out and stretch, deflection constantly increase.

2. Super band damage
Concrete in compression zone is crushed, and tensile zone of longitudinal reinforcement not bend. Longitudinal reinforcement when beam broken at elastic stage, the crack area of tensile zone is small which can’t be defined as crack.

3. Rare-reinforcement damage
A crack means broken.
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