How much weight is required to maintain submerged a 290 ft long section of one o

Answer: The proposed project demonstration site coordinates are 37

ID: 1844162 • Letter: H

Question

How much weight is required to maintain submerged a 290 ft long section of one of the tunnels in

the Chesapeake Bay Bridge-Tunnel? For this, you need the actual cross sectional area of the tunnel

that you are going to assume as cylindrical. Details of it can be found at:

http://www.ien.com/ienblog.aspx?id=139703

Additional info can also be found here:

http://www.cbbt.com/facts.html

How much backfill weigh you need to put on top of the tunnel? For this, assume the tunnel is made

out of concrete only.

Make any reasonable approximation you need.

Answer: The proposed project demonstration site coordinates are 37

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