The layout of a 200 mm thick unrestrained slab over a proposed single garage has internal dimensions of 6000 x 3000 mm and supports a live load of 1.5 kN/m². It is supported by 230 mm thick walls. The environmental conditions are mild, and 1 hr fire rating is required. Determine the suitable reinforcement and check the code requirements for shear, minimum area of reinforcement and bar spacing. W Assume deflection is ok (no need to check), feu- 30 MPa, fy 450 MPa and Ø 12 mm reinforcement bars for effective depth.

Q: The layout of a 200 mm thick unrestrained slab over a proposed single garage has internal dimensions…

A: Dimension of garage = 6000*3000 mmLive load = 1.5 kN/m2.Thickness of the slab = 200 mmThickness of…

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Q: Problem 1: For the given one-way slab supported by beams as shown below, calculate the required…

A: Slab thickness = 10 infc = 4 ksify = 60 ksiconcrete cover = 0.75 inDL = 70 psfLL = 80 psfLn = 20…

Q: Design 12 feet simply supported slab to carry a uniform dead load (excluding self weight) of 120 psf…

A: Given: Length of the slab, l=12ft Dead load, DL=120 psf Live load, LL=100 psf Concrete compressive…

Load and resistance factor design

Load and resistance factors design (LRFD), also known as Limit state design (LSD), refers to the design method used in building engineering. A boundary condition is a condition of a structure where it can no longer meet the relevant design requirements. The condition may refer to the load level or other actions on the structure, while the terms refer to the integrity of the structure, suitability for use, durability, or other design requirements. A structure designed for LRFD is limited to keeping track of all possible actions during its design time and is always ready for use, with the appropriate level of reliability in each boundary condition. LRFD-based construction codes clearly define the appropriate levels of reliability in their instructions.