Volume 19 Issue 3
Jul.  2011
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CARLOS Delgado, JOSÉM. del Campo., VICENTE Negro.. 2011: GROUND-MARITIME STRUCTURE INTERACTION.RECENT FAILURES IN INNER GRAVITY CONSTRUCTIONS ON THE SPANISH COASTLINE. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 297-303.
Citation: CARLOS Delgado, JOSÉM. del Campo., VICENTE Negro.. 2011: GROUND-MARITIME STRUCTURE INTERACTION.RECENT FAILURES IN INNER GRAVITY CONSTRUCTIONS ON THE SPANISH COASTLINE. JOURNAL OF ENGINEERING GEOLOGY, 19(3): 297-303.

GROUND-MARITIME STRUCTURE INTERACTION.RECENT FAILURES IN INNER GRAVITY CONSTRUCTIONS ON THE SPANISH COASTLINE

  • Received Date: 2010-08-30
  • Rev Recd Date: 2011-03-01
  • Publish Date: 2011-06-25
  • A maritime construction is usually a slender line in the ocean.It is usual to see just its narrow surface strip and not analyse the large amount of submerged material the latter is supporting.Without doubt,it is the ground to which a notable load is transmitted in an environment subjected to periodic,alternating stresses,dynamic forces which the sea's media constitute. Both an outer and inner maritime construction works in a complex fashion.A granular solid(breakwater)breathes with the incident wave flow,dissipating part of the wave energy between its gaps.The backflow tries to extract the different items from the solid block,setting a balance between effective and neutral tensions that follow Terzaghui's principle. On some occasions,fluidification of the armour layer has caused the breakwater to collapse(Sines,Portugal,February 1978).On others,siphoning or liquefaction of sand supporting monoliths(vertical breakwaters)lead them to destruction or collapse(New Barcelona Harbour Mouth,Spain,November 2001). This is why the ground-force-structure interaction is a complicated analysis with joint design tools still in an incipient state. The purpose of this article is to describe two singular failures in inner maritime constructions in Spain deriving from ground problems(Malaga,July 2004and Barcelona,January 2007).They occurred recently and the causes are the subject of reflection and analysis.
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