14. DESIGN PHILOSOPHIES of ACI and AISC CODES
This chapter outlines the fundamental design philosophies of ACI and AISC codes, emphasizing safety provisions, variability in material strength, and the importance of considering the consequences of structural failures. It discusses the ultimate strength method as well as the significance of the normal distribution in structural engineering, providing insights into reliability indices and the assessment of risks in structural design.
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What we have learnt
- Structures must be designed to carry reserve loads beyond expected normal use.
- Variability in material strengths and loadings is critical for safety considerations.
- Reliable indices are essential for evaluating the performance and safety of structures.
Key Concepts
- -- Safety Provisions
- Measures taken to limit the probability of structural failure while allowing for economical design.
- -- Normal Distribution
- A statistical distribution that is symmetric about the mean and describes many natural phenomena.
- -- Reliability Index
- A measure of the safety and performance of structural components, with higher values indicating safer designs.
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