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Old July 14th, 2010, 03:56 PM   #1201
ChrisZwolle
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I think the problem is that asphalt tends to expand under extreme heat, but then meets the concrete, which doesn't give, and there is no other way than going up. It mostly seems to be a problem at points where asphalt meets concrete, although inferior asphalt is also subject to extensive rutting (this used to be a major problem in Poland, where they banned trucks on hot days, and asphalt was often only 10 cm thick).
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Old July 14th, 2010, 07:50 PM   #1202
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yes, you re right it's explained in czech article, but both asphalt and also concrete expand, concrete is just stronger and pushes asphalt above
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Old July 15th, 2010, 12:06 AM   #1203
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Quote:
Originally Posted by ChrisZwolle View Post
I think the problem is that asphalt tends to expand under extreme heat, but then meets the concrete, which doesn't give, and there is no other way than going up. It mostly seems to be a problem at points where asphalt meets concrete, although inferior asphalt is also subject to extensive rutting (this used to be a major problem in Poland, where they banned trucks on hot days, and asphalt was often only 10 cm thick).
Unfortunately, they've lifted that ban in Poland due to 'very good quality' of our main roads which seem to be resistant.
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Old August 9th, 2010, 12:32 PM   #1204
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R1 Prague ring road - photo update

Sunday photos of final works on southern part of Prague Ring Road: I recommend everybody to get used to the term "Pražský okruh", because you'll see it on the traffic signs all over Prague as a main navigation term.

Beginning at D1×R1 interchange heading west to D5 (Plzeň).

Interchange with D1





Near Modletice



Herink



Jesenice



Vestec



Cholupice



Komořany

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Old August 9th, 2010, 12:57 PM   #1205
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Looks great, when will the first section be opened?
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Old August 9th, 2010, 01:13 PM   #1206
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The whole D1-D5 (Brno - Plzeň) section is due to be opened on 20th September 2010. First "interchange" pics are from the least advanced place where roadworks will be ongoing also in 2011, but the main connections to the ringroad will be in service permanently.

Map of temporary traffic managment from 20. 9. 2010 at D1×R1 interchange:


orange: in operation
dark grey: under construction
light grey: section 511 (plan)
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Old August 15th, 2010, 10:07 PM   #1207
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The reconstruction of infrastructure in the regions hit by the quick floods last week starts with military building quite few provisional bridges. Since military, they can be fast and build a bridge in one day.

In general thats the picture they have to change






Few pictures from the place "Rousinov" (c) www.novinky.cz

Soldiers building 20t heavy and 18m long bridge.






Army also builds provisory bridge in Chrastava to replace destroyed 40 m art nouveau bridge
(c) Ceska televize






also interesting video with some shots of the army buidling bridges there
http://www.ct24.cz/povodne-2010/9851...vizorni-mosty/


Here are also some pictures of their work from the last year. (c) ihned





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Old August 16th, 2010, 10:46 AM   #1208
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Some pics of D1 motorway in Ostrava, exit 354 Ostrava, Rudná







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Old August 16th, 2010, 11:01 AM   #1209
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Prague Ring Road, 5 weeks to opening:

Modletice, interchange with D1



near Herink

bridge over Botič

near Komořany

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Old August 21st, 2010, 11:41 AM   #1210
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updates of Prague outer ring from end of July
month before opening now

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Originally Posted by 1+1=3 View Post
R1-R4 crossing and 2 kms long flyoverbridge passing Vltava and Berounka river
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500 m long bridge crossing Lochkov valley
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Old August 21st, 2010, 11:45 AM   #1211
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second part
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Originally Posted by 1+1=3 View Post
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crossing with D1
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Old August 21st, 2010, 12:38 PM   #1212
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not "crossing", but interchange...
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Old August 21st, 2010, 01:07 PM   #1213
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Thank you guys for all those pictures.
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Old August 27th, 2010, 02:18 PM   #1214
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Another short "mini" section of R6 was opened. It is the section Jenišov - Nové sedlo marked as K6 on following picture of West Bohemian county of Karlovy Vary.



Some two months old pictures from before the full opening linked from http://forum.ceskedalnice.cz/viewtop...t=109&start=25 (c) poljaq







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Old August 27th, 2010, 04:41 PM   #1215
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The sad news is, that according to the www.novinky.cz, some mass of the slope on one side moved on the newly finished road just today, "due to the long lasting rains and not established vegetation root system that would hold it". Thus the road is again only 0x2 till they repair it. Luckily it should be in the warranty still .
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Old August 28th, 2010, 01:23 AM   #1216
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do you have pics of R6 near Karlovy Vary?
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Old August 29th, 2010, 12:08 PM   #1217
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Quote:
Originally Posted by hofburg View Post
do you have pics of R6 near Karlovy Vary?
Some are here http://www.komunikace-r6.cz/index.ph...fotogalerie-41

.
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Old August 29th, 2010, 12:12 PM   #1218
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aerial views of Prague outer ring u/c
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Originally Posted by 1+1=3 View Post
some pics from the air
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Old August 29th, 2010, 03:51 PM   #1219
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Prague and surroundings
green = opened in 2010
red = u/c in 2010
grey = planned

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Old September 5th, 2010, 09:01 PM   #1220
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Interesting traffic info pages of the Ministry of Transportation, Ministry of Interior Affairs (police) and RSD on www.dopravniinfo.cz.

There is the basic interactive map of the czech roads grid (with actuall situation updates) and nice menu allowing to acces kameras, traffic intensities, etc.. At http://www.dopravniinfo.cz/

The page is unfortunatelly only in Czech I think... the main menu page is here: http://portal.dopravniinfo.cz/hlavni-strana


You can click trough to some interesting stuff like the daily intensities on D1 at http://portal.dopravniinfo.cz/hustot...ilu-dalnice-d1 and some online animated simulation of the traffic intensity in the Prague's and Brno's main bottlenecks http://portal.dopravniinfo.cz/animace-dopravnich-stavu.
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