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Design of Reinforced Concrete Wall

ACI 318-05 requirements:

Minimum vertical wall reinforcement: (Section 14.3.2)

1. 0.0012 for deformed bars smaller than #5 and fy > 6000 psi

2. 0.0015 for deformed bars #5 or larger

Minimum horizontal wall reinforcement: (Section 14.3.3)

1. 0.0020 for deformed bars smaller than #5 and f_y  > 6000 psi

2. 0.0025 for deformed bars #5 or larger

Bar placement: (Section 14.3.4, 14.3.5)

1. Maximum bar spacing: 18 in

2. Walls more than 10" thick shall have two layers of reinforcement.

3. Lateral ties is not required if reinforcement ratio is less than 0.01.

4. Minimum 2#5 bars shall be placed around all window or door openings extend 24" beyond.

Empirical design method:

The empirical design is limited to the following situation:

1. solid rectangular cross section.

2. resultant of all factored loads is located with the middle third of the overall thickness of the wall.