Design a two way slab using the Coefficient Method considering an interior panel (Case 2). The slab will carry retail storage from a commercial warehouse for service live load. The dimensions of the interior panel are 4.50 m x 5.50 m. Use 2015 NSCP Strength Design with f'c = 28 MPa and Fy = 276 MPa. Unit weight of concrete is 23.56 KN/cu m. Include simple structural details as part of your output at the end of your computations.

A prestressed rectangular beam 0.50m x 0.75m has a simple span of 10m and is loaded with a uniform load of 45 kN/m including its own weight. The prestressing tendon is 0.225 m from the bottom and produces an effective prestress of 1600 kN. Compute the fiber stress distribution in the concrete at midspan (bottom fiber) due to axial and transverse loading. Select one: a. 3.26 MPa   b. 1.96 MPa c. 2.61 MPa d. 4.08 MPa A prestressed rectangular beam 0.50m x 0.75m has a simple span of 10m and is loaded with a uniform load of 45 kN/m including its own weight. The prestressing tendon is 0.225 m from the bottom and produces an effective prestress of 1600 kN. Compute the fiber stress distribution in the concrete at midspan due to transverse load. Select one: a. 15 MPa b. 9 MPa c. 12 MPa d. 7 MPa

Design Problem 1 & 2 Determine the cracking moment for the prestressed beam section shown if f'c = 35 MPa. Use a modular rupture of fr Assume normal weight concrete. = 0.621√ f'c C = 100 mm b₁ = 350 mm D = 125 mm d = 440 mm h = 500mm b₂ = 200 mm Figure 1.0 Cc 60 mm C-150 mm h, 250 mm b₁ = 250 mm b. =350 mm Figure 2.0 d 630 mm h = 700mm Ce 70 mm

The cross section of a reinforced concrete beam is shown below .( 5 - No . 10 bars )are designed as the bottom bars and No. 3 stirrups as the vertical reinforcement . Considering a clear cover thickness = 1.5 in , sketch the layout of reinforcement and show bar spacings per AC1318-19 . Assume maximum aggregate size = 1 in and the minimum required effective depth of bottom bars = 20 inches .