bases of experience
bases of experience
bases of experience
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ventilation system<br />
has usually a considerable impact on<br />
the functional cross section<br />
size <strong>of</strong> the cross section<br />
additional structures like<br />
ventilation design<br />
• building at portals – event. stacks for pollution dilution<br />
• underground caverns - ventilation shafts<br />
• ventilation ducts<br />
energy supply and distribution<br />
on construction costs and then operating costs<br />
o optimisation <strong>of</strong> ventilation system is <strong>of</strong>ten an important target<br />
involving: tunnel geometry – ventilation & safety concept<br />
San Juan Seminar - 29th & 30th <strong>of</strong> March 2006 11
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