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What are the damage forms of the normal section of the bendi
Release time:2016-12-16 10:00:11 | Views：
What are the damage forms of the normal section of the bending member?
 
(1) damage to the reinforcement
This destruction is characterized by the tensile force of the longitudinal reinforcement of the tensile zone first yielding, and then the compressive zone concrete is crushed. Before the complete destruction of the tension zone of beam, longitudinal reinforcement to undergo large plastic deformation, vertical cracks along the beam span to produce more, crack development and extension, the deflection is also increasing, so in order to give people a clear warning failure.
 
(2) super reinforced damage
It is characterized by the destruction of concrete in the compression zone is crushed and the tensile force in the tensile zone is not yielding. When the beam is damaged, the longitudinal tensile reinforcement is still in the elastic stage, so the crack width in the tensile zone of the beam is small, the shape is not crack, the failure is not obvious omen, and the brittleness is brittle.
 
(3) less reinforced
It is characterized by a crack that is bad. The tension zone of concrete beam crack, crack section from the original concrete to bear the tension to failure. Borne by the steel reinforcement and the concrete strength has been fully utilized, but no obvious signs before failure, brittle properties.
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