M.Majowiecki - Stadia

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M.Majowiecki - Stadia

  1. 1. Examples of Stadia by M.MajowieckiAR0025Courtesy of Prof. Massimo Majowiecki and Studio Tecnico Majowiecki15-2-2012 Delft University of Technology Challenge the future
  2. 2. AcknowledgementsThe material collected is this lecture is made available for the students of XXL Workshop 2011and is courtesy of Prof. Massimo Majowiecki. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 2
  3. 3. EXAMPLES OF STADIAOverview Courtesy of Prof. M.Majowiecki XXL WORKSHOP 3
  4. 4. EXAMPLES OF STADIAStructural system and details Courtesy of Prof. M.Majowiecki XXL WORKSHOP 4
  5. 5. The state of the art trend on widespan enclosures:the lightweight structures - from compression to tension. Space structures single layer grids double and multi layer grids single and double curvature space frames Cable structures cable stayed roofs suspended roofs cable trusses singleand multilayer nets Membrane structures prestressed anticlastic membranes pneumatic membranes Hybrid structures tensegrity systems beam-cable systems Convertible roofs overlapping sliding system pivoted system folding system Courtesy of Prof. M.Majowiecki XXL WORKSHOP 5
  6. 6. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 6 Pesaro – Sport Hall
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  21. 21. KARAISKAKI STADIUMCourtesy of Prof. M.Majowiecki XXL WORKSHOP 21
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  37. 37. Produzione meccanica a controllo numericoCourtesy of Prof. M.Majowiecki XXL WORKSHOP 37
  38. 38. DESIGN ASSISTED BY TESTINGCourtesy of Prof. M.Majowiecki XXL WORKSHOP 38
  39. 39. FEM – 3D BRICK FEM ANALYSISCourtesy of Prof. M.Majowiecki XXL WORKSHOP 39
  40. 40. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 40
  41. 41. NS JOINT SYSTEMCourtesy of Prof. M.Majowiecki XXL WORKSHOP 41
  42. 42. Generazione automatica della geometria strutturaleCourtesy of Prof. M.Majowiecki XXL WORKSHOP 42
  43. 43. Generation of membrane shapesCourtesy of Prof. M.Majowiecki XXL WORKSHOP 43
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  48. 48. Modello aeroelastico Stadio di BragaCourtesy of Prof. M.Majowiecki XXL WORKSHOP 48
  49. 49. Un’analisi di sensibilità DATI IN INGRESSO: • Localizzazione dei 130 punti in cui valutare il collasso. • Momenti flettenti MGX, MGY e torcenti MGXY indotti dai carichi statici. NOTE  x y  M 0   x y  M 0   y   xy Dati di tipo deterministico. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 49
  50. 50. Un’analisi di sensibilità RISULTATI: • Mappa di β e regione a maggiore probabilità di collasso: β=3.798 NOTE x y  Beta0 Il vento proveniente da 300° rispetto al nord. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 50
  51. 51. Sistema di monitoraggio NOTEDa gennaio 2004 sono monitorate le pressioni, le accelerazioni, la velocità del vento, gli sforzi nei cavi, etc. in diversi punti significatividella copertura. Saranno condotte a breve prove per la caratterizzazione dello smorzamento. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 51
  52. 52. Un sistema dissipativo aggiunto NOTEParte reale e parte immaginaria dell’autovettore del 1° modo complesso, ricostruita per combinazione dei modi reali non smorzaticonsiderati.f1=0,28 Hz - ξ1=3,7%. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 52
  53. 53. Un sistema dissipativo aggiunto NOTEL’efficienza del sistema dissipativo è stata testata anche sotto l’azione del vento (pressione RWDI dir. 270°). Si dimezza la risposta strutturalerispetto al caso ξintinseco=1% e comunque rende accettabili le vibrazioni anche per ξintinseco<1%. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 53
  54. 54. Cable truss systemsCourtesy of Prof. M.Majowiecki XXL WORKSHOP 54
  55. 55. Roof covering using cable beamsCourtesy of Prof. M.Majowiecki XXL WORKSHOP 55
  56. 56. Tensostrutture ordite radialmenteCourtesy of Prof. M.Majowiecki XXL WORKSHOP 56
  57. 57. Olympic Stadium RomeCourtesy of Prof. M.Majowiecki XXL WORKSHOP 57
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  61. 61. Stadium of the AlpesCourtesy of Prof. M.Majowiecki XXL WORKSHOP 61
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  64. 64. Cable net and tensegrity systemsCourtesy of Prof. M.Majowiecki XXL WORKSHOP 64
  65. 65. Courtesy of Prof. M.Majowiecki XXL WORKSHOP 65 Athens Sport Hall
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  70. 70. Convertible roof over an 1927 swimming poolCourtesy of Prof. M.Majowiecki XXL WORKSHOP 70
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