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Old December 18th, 2009, 10:31 PM   #5061
mgk920
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Here in Wisconsin it is generally 'SOP' for the state to initially pave major highways, including interstates and similar highways as well as major urban streets, with concrete, with an asphalt overlay added later on as the concrete wears down but still has some service life left in it. Lesser highways are normally done with asphalt.

Local municipalities and counties in Wisconsin each have their own policies. For example it is normal for the City of Appleton to do major street rebuilds, as well as paving new streets, with concrete, while doing minor work, such as simple resurfacings on older streets, with asphalt.

Mike
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Old December 19th, 2009, 06:50 AM   #5062
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[QUOTE=Barciur;48670235]Prolly will when it collapses


How? Give me reasons.[/QUO
[QUOTE=Barciur;48670235]Prolly will when it collapses


I bet you'd love to see the US collapse...it would probably get you off.. (silly boy/girl.. whatever you are).. lol


... but I'll pose the same question you posed to another member: When/How is the US going to collapse?... Give me reasons?
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Old December 19th, 2009, 06:54 AM   #5063
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..
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Old December 19th, 2009, 06:21 PM   #5064
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[quote]

[QUOTE=Barciur;48670235]Prolly will when it collapses


How? Give me reasons.[/QUO
Quote:
Originally Posted by Barciur View Post
Prolly will when it collapses


I bet you'd love to see the US collapse...it would probably get you off.. (silly boy/girl.. whatever you are).. lol


... but I'll pose the same question you posed to another member: When/How is the US going to collapse?... Give me reasons?
Lol
I live in the US. But it is obvious that it will collapse, not in our life time, not in our grandkids's life time but every empire collapses. US is no different.
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Old December 19th, 2009, 07:40 PM   #5065
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Quote:
Originally Posted by Danielk2 View Post
Actually, the whole world except US, Burma and Liberia uses the metric system.
The metric system has been in use since 1799 in France.

Years of metrication in the world:

Europe
France: 1799
Netherlands: 1820
Belgium: 1820
Luxembourg: 1820
Switzerland: 1835
Spain: somewhere in the 1850s
Italy: 1861
Germany: 1870
UK: 1873 (imperial units still in use on roads)
Denmark: 1907
Ireland: 1970

South America
Chile: 1848

Oceania
Australia: 1876
New Zealand: 1969

Asia
India: 1955

North America
Canada: 1970
Jamaica: somewhere in the 1970s
US: Some time in 3rd millennium
Yes I know, I was just commenting on the extent to which the US already uses it. I like your comment on the US though.

And Nexis is right on the paving. Concrete has a longer low maintenance period than asphalt. It has joints so it can be unaffected by earthquakes, the weather is warmer so freezing is not as big of an issue (when concrete freezes it tends to crack unless precautions are taken, plus it freezes more easily than asphalt). It is noisier and a higher initial investment, but it is lower maintenance, really a matter of preference not which is better. Some sections of road near hotel clusters and whatnot have asphalt above the concrete to make the road quieter actually.
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Last edited by dl3000; December 19th, 2009 at 07:47 PM.
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Old December 19th, 2009, 11:54 PM   #5066
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Quote:
Originally Posted by dl3000 View Post
Yes I know, I was just commenting on the extent to which the US already uses it. I like your comment on the US though.

And Nexis is right on the paving. Concrete has a longer low maintenance period than asphalt. It has joints so it can be unaffected by earthquakes, the weather is warmer so freezing is not as big of an issue (when concrete freezes it tends to crack unless precautions are taken, plus it freezes more easily than asphalt). It is noisier and a higher initial investment, but it is lower maintenance, really a matter of preference not which is better. Some sections of road near hotel clusters and whatnot have asphalt above the concrete to make the road quieter actually.
I know that in Minnesota, concrete highways are known to crack pretty violently in the spring thaw... i suppose a better term would be "asplode"... (can't find pix but i've seen one)
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Old December 20th, 2009, 10:19 AM   #5067
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Quote:
Originally Posted by dl3000 View Post
And Nexis is right on the paving. Concrete has a longer low maintenance period than asphalt. It has joints so it can be unaffected by earthquakes, the weather is warmer so freezing is not as big of an issue (when concrete freezes it tends to crack unless precautions are taken, plus it freezes more easily than asphalt). It is noisier and a higher initial investment, but it is lower maintenance, really a matter of preference not which is better. Some sections of road near hotel clusters and whatnot have asphalt above the concrete to make the road quieter actually.
When I traveled on some concrete highways here, in Europe, they were worse than the asphalt ones, because the joints were deep and they shaked the cars a bit, so everyone had to drive slowly.
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Old December 21st, 2009, 05:07 AM   #5068
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I use metric and english measures all the time. The only part of the "metric" system I really can't stand is Celsius.

I prefer the smaller units of Fahrenheit... and please don't tell me that Celsius is more scientific, because it isn't. There's a reason scientists use Kelvin... (and the only reason they use Kelvin instead of Rankine is to please all you metric folks out there so it's easily convertible with Celsius).

As far as kilometers, kilograms, etc... other than the words sounding odd to me, I couldn't care less. All I'd ask is that we could borrow the term "foot" from English measures and make it 30cm... which helps when measuring snow depth.
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Old December 21st, 2009, 05:09 AM   #5069
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LTomi, I see your point, the joints are rough, but the utility is in concrete's longevity. That road must have been neglected too long. Asphalt would crack and have potholes by the time concrete reached a point where cars had to slow down. And yes concrete dies in freezing weather because as water seeps into crevices and microcracks and freezes, water expands, spreads the cracks, damaged concrete. They have air entrainment which decreases the overall strength of the material but gives the concrete some "breathing room" so that the cracks are absorbed by the tiny air bubbles so the concrete can crumple in an imperceptible way, but this only works to a certain extent, and asphalt usually will win out. Both types of surfaces have traction issues and they have their respective solutions.
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Old December 21st, 2009, 05:14 AM   #5070
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I think Celsius makes a lot of sense, based on water the most basic liquid in life. Fahrenheit is based on a brine solution, what use is that? What I appreciate about Fahrenheit is it has better precision since there are more degrees Fahrenheit to a degree Celsius. Its simple enough. 37 is body, 22 is a nice day, 0 freezing, 100 boiling. Not difficult at all compared to 98.6, 72, 32, and 212.
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Old December 21st, 2009, 06:06 AM   #5071
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Quote:
Originally Posted by dl3000 View Post
I think Celsius makes a lot of sense, based on water the most basic liquid in life. Fahrenheit is based on a brine solution, what use is that? What I appreciate about Fahrenheit is it has better precision since there are more degrees Fahrenheit to a degree Celsius. Its simple enough. 37 is body, 22 is a nice day, 0 freezing, 100 boiling. Not difficult at all compared to 98.6, 72, 32, and 212.
My mind wants to know how many degrees above or below freezing the temperature is - thus the Celsius scale is IDEAL for me.

Mike
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Old December 21st, 2009, 04:02 PM   #5072
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Los Angeles seen from the LA County / San Bernardino County line. Looking at the I-210 freeway. Downtown is 30 miles / 50 kilometers away in this pic.

[IMG]http://i46.************/9stsly.jpg[/IMG]

I-405 in Costa Mesa, looking at the 55 Freeway interchange
[IMG]http://i50.************/11v77dg.jpg[/IMG]

Last edited by ChrisZwolle; December 21st, 2009 at 05:17 PM.
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Old December 21st, 2009, 05:27 PM   #5073
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The second picture looks confusing, but it seems to work well.
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Old December 21st, 2009, 05:52 PM   #5074
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I can kinda understand the second photo, hmmmmm. Crazy Californians always make things wacking in the road dept

New Reconstructed I-405 in Renton,WA


Courtesy of WSDOT
image hosted on flickr


~Corey
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Old December 21st, 2009, 06:29 PM   #5075
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What is happening to the right side crash barrier down at the overheads??
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Old December 21st, 2009, 08:10 PM   #5076
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Edit, picture was to big
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Old December 21st, 2009, 11:24 PM   #5077
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Some I-64 pics from MODOT (St. Louis area)

image hosted on flickr


image hosted on flickr


image hosted on flickr


SPUI:
image hosted on flickr


I-64/I-170 interchange
image hosted on flickr


image hosted on flickr


image hosted on flickr


image hosted on flickr


I-64/Clayton Avenue
image hosted on flickr


another SPUI. This used to be a weird cloverleaf
image hosted on flickr


image hosted on flickr


I-64/Kingshighway Boulevard
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Old December 21st, 2009, 11:44 PM   #5078
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What makes the concrete look almost white??
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Old December 22nd, 2009, 02:02 AM   #5079
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Look at this Photo of the New Jersey Turnpike form the Air, at the Top you can see it get narrow. Thats where the Car/ Car, Bus , Truck lanes merge.
http://www.flickr.com/photos/jerseyjj/2061796789/
image hosted on flickr


NJTPK @ Exit 13 / I-278
http://www.flickr.com/photos/wmliu/7927211/
image hosted on flickr


NJTPK running through East Brunswick,NJ , if you look hard enough you can make out the Ocean which 20miles form East Brunswick
http://www.flickr.com/photos/omkevin/1226813202/
image hosted on flickr


NJTPK Eastern & Western Spur Bridge over the Passaic River & Northeast Corridor , Morris & Essex Lines & PATH Train
http://www.flickr.com/photos/omkevin/2364062565/
image hosted on flickr


NJTPK cutting Through the Industrial Sector of Union County , this is the reason why some people call as "dirty Jersey"
http://www.flickr.com/photos/cfloryan/3846651855/
image hosted on flickr


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* Note they aren't my photos!
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Old December 22nd, 2009, 04:38 AM   #5080
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Quote:
Originally Posted by Nexis View Post
Temperatures and the West Coast uses Concrete mostly over Asphalt since it lasts longer and Earthquake can rip Asphalt easily.

~Corey
actually, they just paved over most of the concrete on I-680 here in the Fremont / Milpitas area and it is now asphalt. Sections of I-5 in the central valley are now almost all asphalt.

If anything, we're getting more asphalt and less concrete here in California.
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