Building a bridge from Alaska and Russia?

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Discussion Overview

The discussion centers around the feasibility of constructing a bridge or tunnel between Alaska and Russia across the Bering Strait. Participants explore various aspects of structural engineering, economics, and logistical challenges associated with such a project, considering both theoretical and practical implications.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • Some participants express skepticism about the feasibility of a bridge due to the vast distances and lack of infrastructure on both sides of the strait, particularly highlighting the need for extensive road and rail connections.
  • Others propose that an underground or underwater rail tunnel might be more practical and economical than a bridge, citing the harsh environmental conditions and construction challenges.
  • Concerns are raised regarding the geological stability of the area, particularly in relation to permafrost and its potential impact on construction longevity.
  • Some participants question the economic rationale for such a project, suggesting that shipping via existing routes would remain more cost-effective than land transport across the strait.
  • A few contributors speculate on future advancements in technology and infrastructure that could make such a project feasible in the distant future, including high-speed maglev trains.
  • There is mention of the environmental implications of increased travel and construction, particularly in pristine areas.
  • Some participants share anecdotal experiences or references to media coverage of the topic, indicating a broader interest in the concept.

Areas of Agreement / Disagreement

Participants exhibit a range of opinions, with no clear consensus on the feasibility or desirability of the bridge or tunnel. While some see potential in the idea, others highlight significant logistical, economic, and environmental challenges that remain unresolved.

Contextual Notes

Discussions include uncertainties regarding the geological conditions and the impact of climate change on permafrost, as well as the economic viability of such a large-scale infrastructure project. The conversation reflects a variety of assumptions and perspectives without definitive conclusions.

  • #31
turbo-1 said:
Due to seismic activity in the Bering Strait, the tunnel doesn't sound like such a great idea. ...

Kenneth Mann said:
I mentioned in my first insertion that this project would be along the 'Ring Of Fire', so there would be an obvious engineering challenge.
I'm not so sure. The Strait is well North of the Pacific Ring of Fire, i.e North of the Pacific plate. Both sides of the Strait are on the North American Tectonic Plate
http://en.wikipedia.org/wiki/File:Plates_tect2_en.svg
 
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  • #32
Here you go.

http://geology.geoscienceworld.org/cgi/content/abstract/25/11/979
 
  • #33
turbo-1 said:
Here you go.

http://geology.geoscienceworld.org/cgi/content/abstract/25/11/979
Interesting, I'd never heard of independent seismic 'blocks' before.
 
  • #34
mheslep said:
Interesting, I'd never heard of independent seismic 'blocks' before.
Yep, and apparently, they not only lift, subduct, and slide, but they can rotate with respect to the the surrounding continental plate(s). Not a good situation for the longevity of the Bering Tunnel.
 
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