PROBLEM 10.1: A concrete cantilever beam is reinforced with 6- 28mmØ top bar uncoated with fy = 276 MPa and concrete compressive strength f = 28 MPa. Assume side, top and bottom cover to be greater than 60mm. Using NSCP 2015, determine the following: a. b. C. The required development length if the bars are straight using NSCP Table 425.4.2.4. Ans: La = 645.779mm Ans: Lah = 250.164mm Ans: Lah= 250.164mm The required development length if a 180° hook is used. The required development length if a 90° hook is used.

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Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.