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Q&A - The behavior of earthworks with geotextiles after several decades
Jean Pierre Gourc, UJF Grenoble, France
Thursday, April 6, 2017 · 2:51 p.m. · 08m 08s
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much i'm jumping up thank you very much sleep or any question i think uh
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we should have some question
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if i my question the first i was a budget meeting that to one of the key is
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that the you had selected was the fate was just expect filter at the bar cross them
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that is one of typical application just expect filter the that the tools or one or for
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the most important uh crazy stories uh in a in a very delicate application you need
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them and that is to lose did existing and still even good good performance results
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bus formal from switzerland
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oh
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yeah
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yeah
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it's no because there's you think a good
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thank you for the presentation i have uh let's say two questions push the one is uh it
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and it's also a referring for your first or
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second example that we these under the surface
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what he's uh uh uh what was your you said you didn't look you didn't have
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and the formations or big a different nations of these uh stuff to
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have you make some measurements i mean it's nice to see yeah
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yeah we don't have a um measure yeah and we don't have
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that information is but uh the the most important thing he's
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to make measurements uh it is after the construction on here or i don't know
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how much uh after the construction then maybe after twenty or thirty years
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no very uh you know the numbers women but the uh uh borer
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i could only observe the structure after right and and the the
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pavement or on the top of the structure use uh
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uh it's always either pavement and so if uh there is
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a a that information you could be upset right
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the the second the map is that uh i'm the user presses for
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a program for segment of sorry in fact there uh the
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the problem of facing could be considering uh independently of
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of the structure one because we are forced
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monday easy you to do is always on the layers of uh uh of joe scented exam
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and then uh as a rabbit uh in a part
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of uh joe tex i use only use for
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uh the stability of the story a year we're
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part uh only yeah so he uh you
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some uh some parts of a joystick side where uh we try right into this look you're on
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and um it was observed that uh there is a a big
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edition of a joke text i informed on the facing
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but uh no significant the the condition of projects that
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which is and that into the structure so uh is this is a compatible and then
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second question and this was after thirty you know how much the
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they should but you have done for let's say for all these uh structures
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or let's take the the the first one it was seventy eight
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okay so it's a over
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oh oh but to say almost forty it's okay that's fine and but
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uh you know and i and sat signing a common since it
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also utilise they should come mentioned it's all they says it's a hundred years
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huh i and i i ah now when i'm
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signing uh i it's it's a let's say
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it's a town no it's a retaining wall it's a hundred years so we are
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let's say or eighty years it could be a not less so let's say we are
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uh more or less a in the middle of these a time do you agree
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yeah uh of course of course there is a problem i we we are walking in the present uh
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they presently well on the problem of uh a cover um
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uh for our lawn fit for nuclear waste yeah and we are well
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being uh about the uh the structure after or a squeeze centuries
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and now i know is is this is a problem and to today because either evolution
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yes you you wanna yeah yeah that yeah i
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but uh i before where the the for passing the the the flow
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to to fully two for one last comment before fruits a percentage
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they they buy only the pioneer role is important because they have a a a
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establishment and design and put on place exceeds that in
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in that case was without any external protection
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when you are designing it and then the the the just in
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techniques uh use uh these corporate and these not expose
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and and of course we have to to the to establish a
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really good the track piece of people that without knowing get
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deeply the the the knowledge all such the the property of such material they were able to
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to put them in in quite crucial position in and and so i think
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yeah there are just just uh the market was uh to to uh into explains that uh
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uh there is a dietitian for george exile after twenty five years even
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to condition which is not a standard conditioner normally is protected no
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yeah ah i want to emphasise was uh but but then it says in fact at that
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time uh it was inauguration it was all your records and the effect of safety on
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the different parameters and when you make a design like on the forward with twenty one that
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i would just take one point five effect of safety on the fiction on them
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we take no correlation as safety and then we took a factor of six
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because it was breaks there for all possible take with us and we can see that it works
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now what is not yeah that's shown in the in the graphic two calculations receded calculation that first time
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allegation now now we i get people to evaluate that you have a duty of ritual textile
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link to the uh argument than opposes the included will is easy to give them a transition it's on
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we take what is fact this will so precise in the designing of
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one and we have seen that forties word document that i
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this case uh today we will have designed we for less strong material that was that that that that
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for this one sample of the cavities this was this can be discussed this can be discussed this that's
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the the flat that's still we are a segment uh and i think it's important when you are
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yeah and you want to innovate and to make you structures sometime you
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have to take some risk okay but that also laughter safety at
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that time but the time when pulling level as as and you can
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make sure will more i've great and so expensive it at
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yeah
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so thank you very much we join the end up close to
Conference Program
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