The Direct design method specified by ACI isn't applicable for two way ribbed slab with irregular columns layout.
Is it possible to use loads in each direction from heillerborg strip method (enhanced based on edge condition as in nelson book) and distribute them to the ribs, and then use the ribs reactions to design the main beams?
Is it possible to use loads in each direction from heillerborg strip method (enhanced based on edge condition as in nelson book) and distribute them to the ribs, and then use the ribs reactions to design the main beams?