h a l f b a k e r yA riddle wrapped in a mystery inside a rich, flaky crust
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There are always people digging up the streets to do stuff with pipes and cables underground. It's a lot of hassle for those doing the digging and everyone else trying to get about.
To solve this all the services should be in one trench that is covered all the way along with removable panels. The panels
can be as robust as you like and maybe even semi-permanent. But they can be taken off to give quick access without as much use of drills and diggers as is currently needed.
Manhole covers just don't cut it, this idea for the whole sidewalk or roadway to be a series of panels.
A side benefit is that when the work is done, the panels can be put back and the appearance of the street is not spoilt.
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I voted for this because our city planning council just isn't very good. They dig it all up every two years. So once they were making good progress, coming up to our street, I asked the guy in charge, how long it would take to get our street done. Anywhere between now and ten years he said. Millions of euros are wasted, really. Digging it up and doing it all over again the next year. |
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The only problem with this is that in most places streets and side walks are not as solid as they seem. They distort over time as the soil beneath moves. That's why they are made either of flexible materials such as asphalt or of loose individual cobblestones. |
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Buildings don't suffer from this as much because they have deep and massive foundations. |
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If you have a concrete trench 1m deep covered with concreate slabs, after a few years gaps and steps will start to appear between the slabs. Unless you make the trench really deep and massive, which would be too expensive. Once the gaps and steps become about 3cm wide the road is too unsafe for public use and the whole trench has to be dug out and realigned again. |
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I can't believe that it's impossible to do
something like this. If we put a man on
the moon, a covered trench alongside a
road might be attainable within this
decade.[+] |
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This will certainly assist those intent on stealing copper cables, manholes, womanholes, and anything else that's metal and worth anything. |
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If you also put a conveyor belt system in the trench you've killed two birds with one stone: |
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It would also solve the home delivery problem and reduce traffic congestion. |
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// conveyor belt system // |
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I like this idea, unfortunately it is completely baked. |
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In Hong Kong , Taiwan and some areas of Japan they already have this. They make the entire road in cities out of big textured concrete slabs and fill in the gaps with bitumen and stagger them. |
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Outside cities and connecting between towns in HK and Japan they use normal tarmac. |
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Many moons ago I saw a road repair which involved lifting out a broken section and replacing it by dropping it in. |
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Though the heavy rain fall in SEA they were mostly trenches to get rid of masses of water than any cables as such. |
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I wish they would come up with a mass produced 8-16' dia concrete pipe to be buried in which all of the other utilities ran. I know the initial cost would be very large, but I believe it would be less costly long term because the street wouldn't have to be ripped up every 20 years or less and the corrosion requirements of the lines inside the concrete pipe might be quite less. |
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If they want to run new lines, fix them, etc, they just send someone down inside the large pipe that contains all of the smaller pipes / cables. |
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Each lot could have a connection stub and we'd all have an emergency bomb shelter to boot. |
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