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Old September 20th, 2008, 03:00 AM   #1141
radi6404
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No, they make the asphalt very thick, 80 cm, I saw that when we were driving on the opposite lanes of a motorway while the other lanes were just in rehabilitation. The asphalt was very thick. And that usually gives a very good driving feeling.
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Old September 20th, 2008, 05:26 AM   #1142
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No, they make the asphalt very thick, 80 cm, I saw that when we were driving on the opposite lanes of a motorway while the other lanes were just in rehabilitation. The asphalt was very thick. And that usually gives a very good driving feeling.
Yeah I heard about that. German Autobahns have pavement thickness ranging anywhere between 55cm to 85 cm. Do you know how they are layered? Are sub-base layers included in that figure or is it completely asphalt for all 80 cm of thickness?
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Old September 20th, 2008, 11:40 AM   #1143
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So Germany is using less and less concrete?
You can say that this way. There is no general preference for concrete or asphalt. The road construction and maintenance departments decide as the case arises if the road will be in concrete or asphalt.

And there are a lot of new concrete motorways...
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Old September 20th, 2008, 12:40 PM   #1144
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And they are shite. Seriously, just see that Germany and Austria rplace the old concrete motorways with asphalt just because it is way more confortable.

However Austrias motorway aspahtl is so hard that it´s almost as concrete, I´ve never seen any asphalt that hard than Austrian asphalt, what are they doing to make it that hard. softer feels better.
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Last edited by radi6404; September 20th, 2008 at 12:45 PM.
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Old September 20th, 2008, 01:02 PM   #1145
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i actually enjoy those new concrete sections that i know (A3 near Ransbach-Baumbach and Neustadt/Wied e.g.)
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Old September 20th, 2008, 01:03 PM   #1146
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Are sub-base layers included in that figure or is it completely asphalt for all 80 cm of thickness?
Asphalt is usually applied with less than 10cm thickness, concrete with 30cm.
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Old September 20th, 2008, 01:06 PM   #1147
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Too much concrete, I thought this aged technology wouldn´t be used anymore but it seems I´m wrong. They don´t care about the drivers confort since driving on concrete isn´t any confortable. Good they build their new motorways with aspahlt in Beyern at least. Concrete looks and feels ugly.
it's a matter of personal taste. I prefer concrete to asphalt. it is much nicer during bad weather. and it looks nicer too ...
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Old September 20th, 2008, 01:24 PM   #1148
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Asphalt is usually applied with less than 10cm thickness, concrete with 30cm.
It also depends on foundation. From what I've seen on motorway constructions, they usually lay the concrete on a stone roadbed, while asphalt is layed on a concrete foundation. Overall, both pavements are very thick. I heard that because of the financial crisis in Belgium during the 60's/70's they sometimes layed the concrete roads without foundation, so the sand bed is washed away during the years, prompting potholes to pop up all the time. Asphalt usually consists of multiple layers, which are not all of the same material.
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Old September 21st, 2008, 07:33 PM   #1149
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Finally, the work for A30 in Bad Oeynhausen has started at monday, September 15th, 2008.




Opening will be in 2014.

More information (in German):
http://www.autobahn-online.de/phorum/read.php?2,109667

Official start will be at October 22nd, 2008, when the prime minister of North Rhine-Westphalia is coming for the ground-breaking ceremony.
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Old September 21st, 2008, 07:53 PM   #1150
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It's about time for that autobahn to come! Anyway, it's a good thing they started with it
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Old September 21st, 2008, 10:07 PM   #1151
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2014??? Thats a 6 year build!!

Even though I rant about Ireland we can get schemes done quickly here. New 20km motorway stretch (albeit without a big bridge) is about 15 months now.
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Old September 22nd, 2008, 01:51 AM   #1152
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Yes, that´s how it should be, 6 years for a 20 km motorway stretch is too much.
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Old September 22nd, 2008, 02:39 AM   #1153
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Yes, that´s how it should be, 6 years for a 20 km motorway stretch is too much.
Credit crunch
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Old September 22nd, 2008, 07:43 PM   #1154
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2014??? Thats a 6 year build!!
It's a 5 and a half year build.

They have to build 10 km of motorway including 2 river bridges (300m and 150m) and a cut&cover tunnel (450m).
But they can start to build the tunnel (2 and a half year construction time) not until one of the river bridges (2 years construction time) has been build...
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Old September 22nd, 2008, 09:58 PM   #1155
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Still way too long. A 300 m long bridge can be build in just one year to allow for construction traffic for tunnel construction (again, one year and a half should be enough.). In total 4 years should be more than enough for constructing this section.
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Old September 23rd, 2008, 11:23 AM   #1156
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6 years is insane. Do they need the bridge to access the tunnel construction site?
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Old September 23rd, 2008, 07:30 PM   #1157
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Still way too long. A 300 m long bridge can be build in just one year to allow for construction traffic for tunnel construction (again, one year and a half should be enough.). In total 4 years should be more than enough for constructing this section.
Ofcourse it is insame, as if Germany is Bulgaria. 20 km motorway should be possible to build in 1 year and a half at max.
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Old September 23rd, 2008, 07:36 PM   #1158
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If Germany was China, that stretch would already have been there, but since Germany is just Germany, it takes 6 years, it's as simple as that
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Old September 23rd, 2008, 08:04 PM   #1159
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If Germany was China...
If it were 1939 not 2008....
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Old September 23rd, 2008, 08:26 PM   #1160
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At least this motorway is coming, and that's the most important thing. In my town there is a small river, and there are two narrow bridges crossing that stream. Since 1972, there has been a discussion about a third bridge, to make the traffic flow smoother, but so far no decision has been taken yet. Another proof that taking decisions is not very easy
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