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GeneralRe: I wonder... Pin
Jörgen Andersson2-Apr-20 7:07
professionalJörgen Andersson2-Apr-20 7:07 
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Mike Hankey1-Apr-20 20:22
professionalMike Hankey1-Apr-20 20:22 
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Kornfeld Eliyahu Peter1-Apr-20 21:21
mveKornfeld Eliyahu Peter1-Apr-20 21:21 
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Mike Hankey1-Apr-20 21:25
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Mark_Wallace1-Apr-20 21:45
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5teveH1-Apr-20 23:27
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KarstenK1-Apr-20 23:11
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AnswerRe: I wonder... Pin
Member 79891222-Apr-20 0:46
MemberMember 79891222-Apr-20 0:46 
If the ground under the road freezes in winter, so it raises up as water freezes to ice and expands (unevenly, varying with the distrbution of water in the ground), the forces from below are immense.

The roadbuilders can avoid it if they dig a bed deeper than the freezing goes, and fill it up with draining material that lets the water run out, so that there is no water under the road surface that will freeze in winter. Obviously, that raises the cost of building the road significantly. Lots of roads here in Norway are not built that way (mostly small and old roads), so we are quite familiar with these problems. Usually they are moderate during winter, as long as the ground is frozen, but when it starts thawing, it can be terrible!
GeneralRe: I wonder... Pin
Kornfeld Eliyahu Peter2-Apr-20 0:55
mveKornfeld Eliyahu Peter2-Apr-20 0:55 
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Daniel Pfeffer2-Apr-20 1:03
professionalDaniel Pfeffer2-Apr-20 1:03 
GeneralRe: I wonder... Pin
Kornfeld Eliyahu Peter2-Apr-20 1:34
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GeneralRe: I wonder... Pin
Daniel Pfeffer2-Apr-20 1:35
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MarkTJohnson2-Apr-20 3:35
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GeneralThunder theft Pin
Mark_Wallace1-Apr-20 10:08
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GeneralRe: Thunder theft Pin
ZurdoDev1-Apr-20 10:20
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Greg Utas1-Apr-20 10:44
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ZurdoDev1-Apr-20 10:47
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GeneralRe: Thunder theft Pin
Mark_Wallace1-Apr-20 11:30
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Greg Utas1-Apr-20 11:39
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Mark_Wallace1-Apr-20 12:04
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GeneralRe: Thunder theft Pin
Greg Utas1-Apr-20 12:20
professionalGreg Utas1-Apr-20 12:20 
GeneralRe: Thunder theft Pin
Mark_Wallace1-Apr-20 12:44
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GeneralRe: Thunder theft Pin
Greg Utas1-Apr-20 18:15
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GeneralRe: Thunder theft Pin
Mark_Wallace1-Apr-20 11:25
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ZurdoDev1-Apr-20 12:44
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