Why do we never see NEW road surfaces like this anymore?
Discussion
Ie concrete instead of Tarmac.
I understand concrete creates more noise, but thats not much of an issue outside of urban areas?
Concrete is cheaper i think, so should be used more.
http://maps.google.co.uk/maps?hl=en&ll=51.7519...
I understand concrete creates more noise, but thats not much of an issue outside of urban areas?
Concrete is cheaper i think, so should be used more.
http://maps.google.co.uk/maps?hl=en&ll=51.7519...
tload of CO2 releasing to help combat global cooling?Yep, it cracks as the underlying rock / soil / planet shifts, and expands/contracts with temperature. The M1 extension to the A1 was made from concrete, as they said it was better for use in mined areas prone to subsidence. That'll be why it is like a rollercoaster in some parts then.
It is also BLOODY NOISY. The first time I used the new section I wasn't prepared for the sheer volume generated in the car, it sounded like I was next to a steam train. Worse than that, even from home nearly 10 miles away, from 6am every morning it sounded like Rolls Royce were performing jet engine tests just over the hill.
It is also BLOODY NOISY. The first time I used the new section I wasn't prepared for the sheer volume generated in the car, it sounded like I was next to a steam train. Worse than that, even from home nearly 10 miles away, from 6am every morning it sounded like Rolls Royce were performing jet engine tests just over the hill.
I was just about to say...
Ask anyone who lives in East Leeds-ish.
The A1-M1 link was built with a lot of concrete. It is - CRAP. Some parts are deafeningly noisy and rough.
A good portion of it had to re-surfaced when only a few months old as the racket it made was ridiculous and you could hear it from miles away, parts of Colton and near Bramham were close enough for it to be a real issue.
If you want to see how motorways should be done - See the M18 between the M62 and the M180. Smooth as glass, beautiful black tarmac. Concrete central reservation so no dazzling at night. Well lit. Big signposts. 3 wide lanes and a wide hard shoulder.
Its just like being in France.
Ask anyone who lives in East Leeds-ish.
The A1-M1 link was built with a lot of concrete. It is - CRAP. Some parts are deafeningly noisy and rough.
A good portion of it had to re-surfaced when only a few months old as the racket it made was ridiculous and you could hear it from miles away, parts of Colton and near Bramham were close enough for it to be a real issue.
If you want to see how motorways should be done - See the M18 between the M62 and the M180. Smooth as glass, beautiful black tarmac. Concrete central reservation so no dazzling at night. Well lit. Big signposts. 3 wide lanes and a wide hard shoulder.
Its just like being in France.
barky said:
as concrete sets it releases loads of CO2 .... that might influence choices a bit?
Err, a lot of CO2 is released during the manuafacture of concrete, but it actually absorbs a fair percentage of it back over time. Something like 15% of cement weight is absorbed during the years following setting.Other than that though, a horrible surface for roads; rubbish drainage (the biggest problem), noisy and even uglier than asphalt when repaired (look at old autobahns). Hard wearing though, I'll admit.
loudlashadjuster said:
Err, a lot of CO2 is released during the manuafacture of concrete, but it actually absorbs a fair percentage of it back over time. Something like 15% of cement weight it absorbed during the years following setting.
Other than that though, a horrible surface for roads; rubbish drainage (the biggest problem), noisy and even uglier than asphalt when repaired (look at old autobahns). Hard wearing though, I'll admit.
Interesting that you say the drainage is bad, because the only 2 I've driven on regularly (A303 bypass round Illminster and the A30 between Honiton and Exeter) usually drain and dry a lot quicker than most of the ashphalt roads nearby. Maybe they've been designed to drain quicker? Other than that though, a horrible surface for roads; rubbish drainage (the biggest problem), noisy and even uglier than asphalt when repaired (look at old autobahns). Hard wearing though, I'll admit.
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