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Old December 8th, 2015, 10:49 AM   #11021
geogregor
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As we are discussing Portland here are some freeways of Portland:
I-405

P9232287
by Geogregor*, on Flickr


P9232289
by Geogregor*, on Flickr

Stuck in traffic trying to head east into Columbia River Gorge:

DSC01088
by Geogregor*, on Flickr


DSC01089
by Geogregor*, on Flickr


DSC01090
by Geogregor*, on Flickr


DSC01091
by Geogregor*, on Flickr


DSC01092
by Geogregor*, on Flickr


DSC01094
by Geogregor*, on Flickr
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Old December 8th, 2015, 12:15 PM   #11022
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2 years ago this week TBM Bertha (then and maybe still the worlds biggest TBM) ran into a steel pipe in Seattle WA after only 10% of the bore was done and this caused a lot of damage to the TBM.

It THEN took until 2015 to dig her out for repairs and as of yesterday she was 2 full years out of commission.

She HAS been repaired and is due to restart tunneling any day now.

This is a pic of a Finished tunnel segment...some monster.
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Old December 8th, 2015, 01:12 PM   #11023
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What's the tunnel for?
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Old December 8th, 2015, 03:40 PM   #11024
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It replaces the Alaskan Way Viaduct in Seattle (SR-99).
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Old December 8th, 2015, 06:16 PM   #11025
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It looks like an underground speed track in shape... How will they make it further to normal road?
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Old December 8th, 2015, 07:43 PM   #11026
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Quote:
Originally Posted by ukraroad View Post
It looks like an underground speed track in shape... How will they make it further to normal road?
From wikipedia

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Old December 8th, 2015, 08:16 PM   #11027
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Only two lanes?
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Old December 8th, 2015, 08:59 PM   #11028
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I-65, Indiana

Governor Pence Announces Plans to Widen Heavily-Traveled I-65 in Lake County

Governor Mike Pence today announced plans to widen Interstate 65 in Lake County to three lanes in each direction from Merrillville south to at least State Road 2 (Exit 240) near Lowell. This project is part of Governor Pence’s Major Moves 2020 highway program, which is fast tracking the widening and rehabilitation of heavily-traveled highways across the state.

The budget for this plan is $70 million. Funding would come from the Major Moves 2020 program, which was increased in the most recent biennial budget.
Full press release: http://www.in.gov/activecalendar/Eve...cate=syndicate

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Old December 8th, 2015, 09:06 PM   #11029
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Quote:
Originally Posted by ChrisZwolle View Post
It replaces the Alaskan Way Viaduct in Seattle (SR-99).
The Alaskan Way Viaduct will be demolished after the tunnel openning ?
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Old December 8th, 2015, 09:41 PM   #11030
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The Alaskan Way Viaduct will be demolished after the tunnel openning ?
Yes , if it doesn't collapse first. It is ancient and decrepit as well as very very ugly. Hope that TBM hits nothing unfortunate once they finally get it going again.

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Old December 8th, 2015, 10:09 PM   #11031
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Quote:
Originally Posted by siamu maharaj View Post
Only two lanes?
Yes, putting three lanes in each direction into a circular tunnel would require a bore of about 20 meters. The largest TBM ever contracted and designed (and then cancelled) was a 19.25 meter TBM for the Orlovski Tunnel in St Petersburg, Russia.

I'm sure an approximately 20 meter TBM will be boring a 2x3 lane tunnel somewhere in the world before 2025.
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Old December 8th, 2015, 10:18 PM   #11032
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It's also notable that the single-bore, double-deck tunnel of SR-99 allows trucks. There are not a whole lot of these tunnels, and some of them are so low they only allow passenger cars, for example A86 Duplex in Paris and the under construction Eurasia Tunnel in Istanbul.
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Old December 8th, 2015, 11:34 PM   #11033
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Quote:
Originally Posted by ChrisZwolle View Post
It's also notable that the single-bore, double-deck tunnel of SR-99 allows trucks. There are not a whole lot of these tunnels, and some of them are so low they only allow passenger cars, for example A86 Duplex in Paris and the under construction Eurasia Tunnel in Istanbul.
An American came up 15 Years ago with that idea of stacking two running tubes vertically like that for a putative tunnel called the Tappan Zee Tunnel in New York. The proposal shown below would have required a 16m ish diameter machine. It did not exist at the time, the TBM records were at around 14m diameter then and they had not finished their first tunnels yet.



http://www.nytimes.com/2001/09/16/ny...pagewanted=all

They went with a 2 x 4 Lane bridge in the end. TBMs ain't been built for that size of roadway yet and when they are they will probably be deployed under the Yangtse or Yalu in China first.

Recent Pic of the new Tappan Zee I87 bridge in New York by the way.

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Old December 9th, 2015, 02:49 AM   #11034
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Also of note: this month was also the anticipated opening date for the tunnel.

It's a boondoggle and should have been aborted after STP further delayed the opening to 2018 back in May. Tear down the viaduct, deal with the traffic for a few years (and save some lives, potentially) and figure out the solution then.

Here's some pictures I've taken of Bertha over the last year, including on the official WSDOT tour of the project site:

March 31 - Retrieval/lift


Bertha from Alaskan & Jackson by SounderBruce, on Flickr

July 15 - Undergoing repairs


Bertha TBM retrieval site by SounderBruce, on Flickr

August 22, 2015 - Last repairs before being lowered


Bertha under repair by SounderBruce, on Flickr
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Old December 9th, 2015, 04:35 AM   #11035
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I liked those pics of Portland in the thread earlier, I was there about two weeks ago. Drivers there are better than in Seattle, they actually drive above the speed limit.

Lots of elevated interchanges since I-5 is parallel to the Willamette River close to downtown. If it's sunny, you can get some impressive views of Mt Hood looking eastward.
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Old December 9th, 2015, 05:31 AM   #11036
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Quote:
Originally Posted by SounderBruce View Post
Also of note: this month was also the anticipated opening date for the tunnel.

It's a boondoggle and should have been aborted after STP further delayed the opening to 2018 back in May. Tear down the viaduct, deal with the traffic for a few years (and save some lives, potentially) and figure out the solution then.

Here's some pictures I've taken of Bertha over the last year, including on the official WSDOT tour of the project site:

March 31 - Retrieval/lift


Bertha from Alaskan & Jackson by SounderBruce, on Flickr

July 15 - Undergoing repairs


Bertha TBM retrieval site by SounderBruce, on Flickr

August 22, 2015 - Last repairs before being lowered


Bertha under repair by SounderBruce, on Flickr
I hope this is the last steel pipe on Bartha's way otherwise this tunnel will become a "golden one"
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Old December 9th, 2015, 05:53 AM   #11037
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Quote:
Originally Posted by JohnFlint1985 View Post
I hope this is the last steel pipe on Bartha's way otherwise this tunnel will become a "golden one"
Seeing as that pipe was drilled for this very project and thus there are many like it all along the tunnel's route...plus the possibility of getting stuck under the historic (and protected) Pike Place Market, I won't be holding my breath.

If Bertha does get stuck under Pike Place, there's a chance the project could be abandoned, since it's a huge tourist attraction that can't be compromised in any way.
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Old December 9th, 2015, 09:02 AM   #11038
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Quote:
Originally Posted by geogregor View Post
As we are discussing Portland here are some freeways of Portland:
Geogregor*, on Flickr
Wow you had pretty good traffic, I always get stuck at the bridge from Washington and in downtown. I always sit in traffic like the pics after the later half of the post.

Quote:
Originally Posted by Xusein View Post
I liked those pics of Portland in the thread earlier, I was there about two weeks ago. Drivers there are better than in Seattle, they actually drive above the speed limit.

Lots of elevated interchanges since I-5 is parallel to the Willamette River close to downtown. If it's sunny, you can get some impressive views of Mt Hood looking eastward.
We have different experiences of Portland then lol. People drive so slow there, speed limit or below... But you are right people drive slow in Seattle too.

Quote:
Originally Posted by siamu maharaj View Post
Only two lanes?
SR99 is mostly two lanes in each direction anyways. Like most highways in Seattle not enough.

Quote:
Originally Posted by sponge_bob View Post
Yes , if it doesn't collapse first. It is ancient and decrepit as well as very very ugly. Hope that TBM hits nothing unfortunate once they finally get it going again.

Its an ugly deathtrap but I'll miss it because of these views.




Last edited by I-275westcoastfl; December 9th, 2015 at 09:10 AM.
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Old December 9th, 2015, 09:15 AM   #11039
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Two lanes for general purpose traffic is plenty for this tunnel, since it goes absolutely ******* nowhere. The viaduct at least had downtown exits that could be used by commuters and buses especially, as well as freight trucks going from the port to Interbay. The tunnel will only be marginally be useful for West Seattle to SLU commutes at best, so it's a total waste.

And now the new boulevard on Alaskan Way might not have bus lanes, which is a travesty in and of itself.
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Old December 9th, 2015, 09:23 AM   #11040
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Quote:
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Two lanes for general purpose traffic is plenty for this tunnel, since it goes absolutely ******* nowhere. The viaduct at least had downtown exits that could be used by commuters and buses especially, as well as freight trucks going from the port to Interbay. The tunnel will only be marginally be useful for West Seattle to SLU commutes at best, so it's a total waste.

And now the new boulevard on Alaskan Way might not have bus lanes, which is a travesty in and of itself.
Well its an alternate route to I-5, I have used it quite a few times honestly to get around downtown traffic. Traffic will be a mess in downtown and on I-5 if and when the new tunnel is opened. The only benefit I see is you'll be able to directly bypass downtown and continue north on 99. Kind of odd that the new boulevard won't have bus lanes since they seem to push them so much here. I'd rather have light rail but thats not happened either right?
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