Answer:
The determination of the stiffnesses can be found in the PDF file you can download below, in the "Downloads" section. The initial value is the corresponding I-section.
Using Stiffnesses in Orthotropic Hollow Core Slabs
Which stiffnesses does RFEM use for orthotropic hollow core slabs with rectangular cavities?
Author
Mr. Rehm is responsible for developing products for timber structures, and he provides technical support for customers.
Downloads
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