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Any engineering guidelines for the required distance between two parallel bored tunnels?
Hi,
I am looking for any academic papers, engineering guidelines for the required separation between two parallel running tubes. Like its relationship to tunnels' diameter, geological properties etc.
Your help appreciated!
Regards,
Heiko
cover tunnel photo by: Matt Brown from London, England / CC BY
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@Heiko, This article is a good read on the subject. I am sure there are many other articles too:
Determining the minimum distance between centers of two parallel tunnels to apply the Law of Super Position in order to calculate subsidence by using the software FLAC 3D
It's takes Isfahan metro in Iran as the case study.
regards.