SciELO - Scientific Electronic Library Online

 
vol.83 número199Study of surface movement of a shallow-multilayered soil under P-wavesThe behavior of a foundation transversally loaded at the top over highly porous and collapsible soil índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Serviços Personalizados

Journal

Artigo

Indicadores

Links relacionados

  • Em processo de indexaçãoCitado por Google
  • Não possue artigos similaresSimilares em SciELO
  • Em processo de indexaçãoSimilares em Google

Compartilhar


DYNA

versão impressa ISSN 0012-7353

Resumo

GONZALEZ-BETANCOURT, Mauricio. Uplift force and momenta on a slab subjected to hydraulic jump. Dyna rev.fac.nac.minas [online]. 2016, vol.83, n.199, pp.124-133. ISSN 0012-7353.  https://doi.org/10.15446/dyna.v83n199.52252.

As part of the search for safe and economic design criterion to line slabs of stilling basins, the present study is one of the first to calculate the center of pressure, uplift forces, and momenta from a spatiotemporal analysis of the pressures measured above and below instrumented slabs in a physical model. Controlled release of the waterstops, and variation in the dimensions of expansion joints and in the gap between foundation and the lining slab were carried out in order to consider their effects on the magnitudes of uplift forces and momenta. An offset of the center of pressure from the slab's center of gravity was identified. The objective of this work was to consider the failure mechanism induced by momentum in the slab's design. Design criterion to make the lining slab's thickness to length between 6 and 12 times the incident flow depth, is proposed, and this is compared to other design criteria.

Palavras-chave : Uplift pressure; hydrodynamics uplift; slabs; physical model; stilling basins; hydraulic jump.

        · resumo em Espanhol     · texto em Inglês     · Inglês ( pdf )

 

Creative Commons License Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons