STAAD PRO - ELASTIC FOOTING PROBLEM

Question

Hello, 
 When running the analysis for a concrete plate supported on elastic supports and a nodal load in the center of it, the following "error" appears:

Does anybody know what is wrong? 
 Thank you in advance, 
 Ignacio

Sye · Accepted Answer

The error is due to the fact that the two numbers after the command ELASTIC FOOTING has been entered as 0 0 whereas this is supposed to represent the length and width of the elastic footing. A sample is shown next 
 1 TO 6 ELASTIC FOOTING 1 1 DIRECT Y SUBGRADE 150 
 In the above example a size of 1 ft x 1 ft is considered as the size. For multiple nodes this size would be based on the distance between the nodes. The direction would also be Y as opposed to X. 
 Having mentioned that, when you are modeling the mat with a mesh of plates, you need to use PLATE MAT support instead.

STAAD PRO - ELASTIC FOOTING PROBLEM

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