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Learn the design principles and analysis methods for two-way post-tensioned (PT) slabs in this 23-minute lecture from NPTEL-NOC IITM. Explore the structural behavior, load distribution patterns, and design considerations specific to two-way PT slab systems. Understand how post-tensioning forces are applied in both directions to create efficient structural elements capable of spanning large areas with reduced thickness. Examine the differences between one-way and two-way slab behavior, including moment distribution, deflection characteristics, and reinforcement requirements. Discover the advantages of two-way PT slabs in terms of structural efficiency, reduced dead loads, and architectural flexibility. Master the analytical approaches used to determine bending moments, shear forces, and deflections in two-way PT slab systems, including the application of relevant design codes and standards.
