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Questions and Answers
At what percentage of the total load do vertical cracks suddenly start appearing in axially loaded reinforced concrete columns?
At what percentage of the total load do vertical cracks suddenly start appearing in axially loaded reinforced concrete columns?
- Around 40%
- Approximately 60%
- Up to 80% (correct)
- Less than 20%
What is the primary reason for the failure of axially loaded tied columns?
What is the primary reason for the failure of axially loaded tied columns?
- Falling of longitudinal bars
- Buckling of the concrete cover
- Lack of lateral support provided by the cover (correct)
- Brittle failure of the concrete material
Why are columns designed with a much higher safety factor compared to beams?
Why are columns designed with a much higher safety factor compared to beams?
- Columns are more likely to experience sudden collapse (correct)
- Columns are more prone to cracking
- Columns have less lateral support
- Columns are subjected to higher loads
Why do perfect straight columns subjected to pure axial loading experience a brittle failure mode?
Why do perfect straight columns subjected to pure axial loading experience a brittle failure mode?
What is a characteristic of the failure mode of axially loaded reinforced concrete columns?
What is a characteristic of the failure mode of axially loaded reinforced concrete columns?
What is the primary cause of failure in axially loaded tied columns?
What is the primary cause of failure in axially loaded tied columns?
At what point does cracking usually start to appear in axially loaded reinforced concrete columns?
At what point does cracking usually start to appear in axially loaded reinforced concrete columns?
Why are columns designed with a much higher safety factor than beams?
Why are columns designed with a much higher safety factor than beams?
What type of failure mode is usually observed in axially loaded reinforced concrete columns?
What type of failure mode is usually observed in axially loaded reinforced concrete columns?
What factor contributes to the buckling of longitudinal bars in tied columns?
What factor contributes to the buckling of longitudinal bars in tied columns?
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