Non-Finito - ACES

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Some Problems with Suspension Bridges Main cables: - prone to corrosion - not prone to fatigue Suspender cables: Suspender cables: - prone to corrosion - prone to fatigue
until 2003 Loss of Cable Cross Section Cable 20 to 25% loss due to corrosion! Cable 7620 3350 4270 Close in each direction one lane? Floor Floor Beams and Stringers 22560
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To help protect your privacy, Power
Page 3 and 4:
Non-Finito = simply uncompleted wor
Page 5 and 6:
Outline • The Past • The Presen
Page 7 and 8:
Corrosion built in 1912 strengthene
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Strengthening with CFRP • light
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Ibach bridge 1991 CFRP strips are g
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Patience, patience, patience ……
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CFRP wires and strips • very high
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Stork bridge 1996 (124 m span, 2 la
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Laminated CFRP strap
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Laminated CFRP strap
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Relative strength vs. radii ro 0.80
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σ // σ ⊥ τ //⊥ non-laminated
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Efficiency 300 250 Capacity [kN] 20
Page 29 and 30:
Creep experiments
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Cross section of T-Beam
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Page 35 and 36:
Page 37 and 38:
Shear strengthening
Page 40 and 41:
Cable dredger
Page 42 and 43:
Juli 2009
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Roof truss of church Homberg-Efze D
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Seismic retrofitting of masonry wal
Page 57 and 58:
The Dome of Pavia lantern 62 m 41 m
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Selected Problems of Dome possible
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Solution possible concept for rehab
Page 63 and 64:
Worldwide thousands of columns need
Page 65 and 66: CFRP wrapping of rectangular column
Page 67 and 68: Active column wrapping woven fabric
Page 69 and 70: Active column wrapping woven fabric
Page 71 and 72: Active column wrapping injecting po
Page 73 and 74: Active column wrapping injecting po
Page 75: Active column wrapping Mark Green,
Page 78 and 79: CFRP Column Wrapping 1995 XXSYS Tec
Page 80 and 81: Mark Green, Olav Huth, Andreas Wini
Page 82 and 83: Dr. Hanspeter Kaiser (1989) Prof. D
Page 84: Pre-tensioning equipment Type: tens
Page 89 and 90: Verification experiment Christoph C
Page 91: Mechanised and computer-controlled
Page 94 and 95: 5 hours ≡ 1.45 m 5 hours ≡ 1.45
Page 96 and 97: Pre-tensioned CFRP strips • Why s
Page 98 and 99: Heritage structures: Post-tensionin
Page 100 and 101: Heritage structures: Post-tensionin
Page 102 and 103: Hagia Sophia, Istanbul since 641 pr
Page 104 and 105: Airbags save lives in the automotiv
Page 106 and 107: Hagia Sophia, Istanbul high risk zo
Page 108 and 109: Hagia Sophia, Istanbul crosshead U-
Page 110 and 111: Hagia Sophia, Istanbul
Page 112 and 113: 1943: to avoid another “Tacoma-Ca
Page 114 and 115: Bronx-Whitestone Bridge 1943, insta
Page 118 and 119: 2003: GFRP-Wind Fairings Cable Susp
Page 120 and 121: Net weight “loss” of 5’600 to
Page 122 and 123: What happens when another 20% is go
Page 124 and 125: What if we get to-morrow a contract
Page 126 and 127: Hanger-/Main-Cable Connection Humbe
Page 128 and 129: 2003: Passive FRP- Wind Fairings Ca
Page 130 and 131: 20XX: Adaptive Wind Fairings M wind
Page 133 and 134: Outline • The Past • The Presen
Page 135 and 136: Conclusions • The idea to use e.g
Page 137: Thank you very much for your kind a
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Non-Finito - ACES

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