RINTER VALUE

Question

Please explain, what is the rinter value in PLAXIS 2D? how can this determine for particular structure?

Stefanos Papavasileiou · Answer

Dear Shaija, 
 I would strongly advise you to check our Manuals, Reference and Tutorials to better understand about Rinter. 
 In short, this is a generic factor to reduce both the strength and the stiffness of the interfaces. This value should not be a parameter for which the design can drastically change. This is a rough way of reducting strength and stiffness. This depends on the materials you have. In principle concrete with clay material has a completely different relative behaviour compared to sand or granular material. 
 If changes in the Rinter highly affect the analyses you perform you should choose to create a dedicated material for the interface behaviour and switch the option to Custom as shown below. Then you can directly provide the properties of the interface:

Dennis Waterman · Answer

Dear Cristina, 
 I recommend reading paragraph 6.1.7.2 of the PLAXIS 2D 2023 Reference Manual. 
 With kind regards, 
 Dennis Waterman