The NSCP 2015 adheres to the Load and Resistance Factor Design (LRFD) or Ultimate Strength Design (USD). Besavilla’s problems heavily utilize the interaction diagrams and strength reduction factors.
) is greater than or equal to the required strength (factored loads). : Flexure (Tension-controlled) : 0.90. Shear and Torsion : 0.75. Compression (Tied Columns) : 0.65. Compression (Spiral Columns) : 0.75. Major Design Elements Covered Reinforced Concrete Design Besavilla Pdf Nscp 2015