Accession Number : AD0002902


Title :   COULOMB FRICTION, PLASTICITY, AND LIMIT LOADS


Corporate Author : BROWN UNIV PROVIDENCE RI DIV OF APPLIED MATHEMATICS


Personal Author(s) : DRUCKER, D C


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/002902.pdf


Report Date : Jan 1953


Pagination or Media Count : 19


Abstract : Additional attention is given to the somewhat subtle but extremely important difference between Coulomb friction and the apparently corresponding resistance to plastic deformation. It is shown that the limit theorems previously proven for assemblages of perfectly plastic bodies do not always apply when there is finite sliding friction. Theorems are developed which relate the limit loads with finite Coulomb friction to the extreme cases of zero friction and of complete attachment, and also to the case where the frictional interfaces are cemented together with a cohosionless soil.


Descriptors :   *DEFORMATION , *PLASTIC PROPERTIES , *SLIDING FRICTION , INTERFACES , THEORY , MATHEMATICAL ANALYSIS , WEAR RESISTANCE


Subject Categories : Mechanics


Distribution Statement : APPROVED FOR PUBLIC RELEASE