Calculate the factored dead load. Hint: Girder weight shall be calculated. Consider the volume of concrete rectangle section (i.e., 12×40 in). The unit weight of concrete is 150 pcf . The load factor of 1.2 shall be multiplied.

For the beam shown below, answer the following questions (50 pt).

, , , , ,
Normal weight concrete

(a) Calculate the factored dead load.
Hint: Girder weight shall be calculated. Consider the volume of concrete rectangle section (i.e., 12×40 in). The unit weight of concrete is 150 pcf . The load factor of 1.2 shall be multiplied.

(b) Calculate the reaction forces by the factored girder weight and the factored concentrated loads .
Hint: is a factored load, so no load factor shall be considered for .

(d) Discuss if stirrups are needed. If so, design the stirrups. Sketch your web reinforcement design for the half length of beam along with the shear diagram.

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