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Heliports
Description
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Composite surface
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Wooden surface
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Aluminium structure and surface
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Steel surface and structure
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Concrete structure and surface
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Weight (18m ×18m)
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20 tones
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25 tones
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20 tones
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55 tones
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198 tones
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Service life
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25 years
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10-15 years
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25 years
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10-15 years
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25 years
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Maintenance required during 10 years
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No
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No
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No
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Painting each 2-3 years
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No
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Corrosion stability
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Excellent
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Excellent
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Excellent
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Satisfactory
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Excellent
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Refractory property
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Excellent
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Excellent, in some kinds of wood
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Poor
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Good
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Excellent, in particular concrete
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Vibration, resonance
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No
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No
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yes
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yes
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No
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November 29th, 2013 November 26th, 2013 November 1th, 2013
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© Apatech — Applied Advanced Technology Company Ltd., 2005—2007. All rights reserved.
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