Analysis of geosynthetic tubes filled with several liquids with different densities

0353465 - ÚGN 2011 RIV GB eng J - Journal Article
Malík, Josef - Sysala, Stanislav
Analysis of geosynthetic tubes filled with several liquids with different densities.
Geotextiles and Geomembranes. Roč. 29, - (2010), s. 249-256. ISSN 0266-1144. E-ISSN 1879-3584
R&D Projects: GA ČR GA103/08/1700
Institutional research plan: CEZ:AV0Z30860518
Keywords : geosyntetic tube * rigid horizontal foundation * numerical modelling
Subject RIV: BA - General Mathematics
Impact factor: 2.590, year: 2010
www.elsevier.com/locate/geotexmen, doi:10.1016/j.geotexmen.2010.11.004

A two dimensional model of a geosynthetic tube sitting on a rigid horizontal foundation and filled with several separated liquids with different densities is proposed. The material from which the tube is made is a special synthetic fabric which is inextensible, perfectly flexible, and leakproof. Such a model is useful for modelling a consolidations process in the tube filled with a slurry. The equilibrium equations of the model are formulated. Unknown values like the pressure on the top and bottom of the tube, the tension in the geosynthetic fabric, the length of the contact zone between the tube and the rigid foundation are searched with respect to the given perimeter, the volumes and densities of liquids. Such a problem is solved by the Newton´s method. The initial approximation is obtained bz solving a simplified problem with one ůiquid with the average density. The problem is implemented in a MATLAB code for geosynthetic tubes filled with two, three, and four liquids with defferent densities.
Permanent Link: http://hdl.handle.net/11104/0192710