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Analysis of Uplift

The analysis of a spread footing in tension is performed when the load due to a negative normal force N (the force acts upwards) is assumed. The verification of such a footing is carried out according to the corresponding verification methodology. During the analysis the program compares the maximum tensile force N_t,max with the uplift resistance R_t. The program considers the following four methods of the calculation of bearing capacity (uplift resistance R_t) of footing:

• standard approach
• cone method
• DL/T 5219-2005
• EN 50341