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100 Year Prandtl’s Wedge - Intermediate report
Van Baars, Stefan


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Keywords :
soil mechanics; foundation engineering; bearing capacity; footings; Prandtl
Abstract :
[en] The biggest problem for a shallow foundation, just as any other type of foundation, is a failure due to an overestimation of the bearing capacity. This means that the correct prediction of the bearing capacity of the foundation is often the most important part of the design of a civil structure. That is why the publication of Prandtl in 1920 about the hardness of a plastic body, was a major step in solving the bearing capacity of shallow foundations, although it is well possible that he never realised this, because his solution was not made for civil engineering purposes, but for mechanical purposes. Over the last 100 year, a lot of extensions have been made, for example with inclination factors and shape factors, and many laboratory experiments have been done and also many numerical calculations have been made. Some even try to extrapolate the failure mechanism for shallow foundations to the failure mechanism around the tip of a pile. All this scientific work leads back to the first publication made by Ludwig Prandtl in 1920. This intermediuate report “100 Year Prandtl’s wedge” has been made for all those who are interested in these fundamentals of foundation engineering and their history.
Disciplines :
Civil engineering
Mechanical engineering
Author, co-author :
Van Baars, Stefan ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Language :
Title :
100 Year Prandtl’s Wedge - Intermediate report
Publication date :
21 July 2016
Publisher :
University of Luxembourg, Luxembourg, Luxembourg
Edition :
intermediate report
Number of pages :
Available on ORBilu :
since 21 July 2016


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