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Q.1 The deep beam given in the Figure below has a width of 508 mm and a total height of 2032 mm. The deep beam carries two concentrated factored loads, Vu = 1601 kN each. Four bearing plates were provided at supports and loading locations that have dimensions of 458 mm x 508 mm each. The compressive strength of concrete, f1c=28 MPa and the yield strength of steel reinforcement fy = 420 MPa. The own weight of the beam can be neglected through design process.
1. Design the deep beam using the strut-and-tie method as per the ACI 318-02 code.
2. Provide details of reinforcement on longitudinal and cross sections.
Q.2 Design the deep beam below to support an ultimate load of 3996 kN from a 500 x 500 mm column using the strut-and tie method. The supporting columns are also 500 x 500 mm. The compressive strength of concrete, f1c=28 MPa and the yield strength of steel reinforcement fy = 420 MPa. Provide details of reinforcement on longitudinal and cross sections. In order to simplify the calculations, the own weight of the of the structure can be accounted for by adding 218 kN to the applied point load.
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