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Jim Trenerry MIEAust, CPEng

The Benefits of Analysing Concrete with FEM. Jim Trenerry MIEAust, CPEng. The Benefits of Analysing Concrete with FEM. The only difference between these structures is one has “hard” supports at the 1st, 3rd and 5th grid line.

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Jim Trenerry MIEAust, CPEng

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  1. The Benefits of Analysing Concrete with FEM Jim TrenerryMIEAust, CPEng

  2. The Benefits of Analysing Concrete with FEM The only difference between these structures is one has “hard” supports at the 1st, 3rd and 5th grid line. The deflection of the 600 mm deep band beams has a drastic effect on the behaviour of the 225 mm slab (see graphic on rhs). This would not be generally picked up with a 2D strip program.

  3. The Benefits of Analysing Concrete with FEM

  4. Traditionally, engineers using hand calculations or strip programs would design the beams in the previous slide for 100% of the load …..

  5. The moment plot shows that the total moment in the “middle strips” of this floor accounts for 28% of the total panel moment. This will generally result in savings, as minimum slab reinforcement is usually sufficient, and the beam can be designed for less moment.

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