Which design philosophy is commonly used in Canadian structural design for steel and concrete, and what is the core objective?

Which design philosophy is commonly used in Canadian structural design for steel and concrete, and what is the core objective?

• A. Allowable Stress Design; objective to maximize economy.
• B. Load and Resistance Factor Design; objective to minimize deflection.
• C. Limit State Design (Strength Design); objective to ensure members and connections reach adequate strength under governing load combinations while controlling deflections and crack widths within serviceability limits.
• D. Direct Strength Check; objective to ignore serviceability criteria.

Answer: (C)