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Thread: Pyrite used on M3 Motorway.

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    Politics.ie Member FrankSpeaks's Avatar
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    Default Pyrite used on M3 Motorway.

    The Chief Executive of the NRA has confirmed that the mineral Pyrtie was used in the construction of the M3. The mineral expands in the presence of water and oxygen and caused structural damage to many houses in the Dublin and Meath area.

    Would any engineer care to comment on the implications of its use in road construction?
    There's a lot to be said for the fellow who doesn't say it himself. -- Maurice Switzer

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    Politics.ie Member j26's Avatar
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    Looks like Tara will outlast the road then. I can't imagine that being good

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    Politics.ie Member Mitsui2's Avatar
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    I'm not an engineer, but...

    It expands in the presence of water?
    And they used it in a road?
    In Ireland?

    I don't think you need an engineering degree to say "Oh dear!"

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    I see rte.ie are reporting that this is open ahead of schedule.... jaysus
    We need to radically change every system that has enabled the wholesale destruction of the Irish landscape, rural and urban. There is no time for incremental step by step measures. The systems have failed utterly and the only hope for a real recovery requires the rule book to be torn up completely.

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    if you care to read link it is apparent that it was not used as a structural fill but rather for embankments.

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    Politics.ie Member cyberianpan's Avatar
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    Quote Originally Posted by birthday View Post
    if you care to read link it is apparent that it was not used as a structural fill but rather for embankments.
    Indeed... and they knew about it... this doesn't seem to be a story

    cYp
    "Yawn , am I alive yet ?"

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    Politics.ie Member adamirer's Avatar
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    The last three lines indicate differently.

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    Quote Originally Posted by FrankSpeaks View Post
    The Chief Executive of the NRA has confirmed that the mineral Pyrtie was used in the construction of the M3. The mineral expands in the presence of water and oxygen and caused structural damage to many houses in the Dublin and Meath area.

    Would any engineer care to comment on the implications of its use in road construction?
    Buy an off-road vehicle. Like most road engineers, that I know, use.
    :mrgreen:
    The enemy of my enemy is the enemy of my enemy. EU Army coming to be, the feckin' conspiracy nuts on Lisbon were right on this one.

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    Quote Originally Posted by birthday View Post
    if you care to read link it is apparent that it was not used as a structural fill but rather for embankments.
    Mr Barry also told Mr McEntee that “there is no use that we are aware of [of pyrite] as structural fill and the material complied with specifications for the purposes for which it was used.”

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    Politics.ie Member DaveM's Avatar
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    Quote Originally Posted by alonso View Post
    I see rte.ie are reporting that this is open ahead of schedule.... jaysus
    Depends on what you're loooking at I suppose. The construction phase is being completed well ahead of schedule. Under the terms of the contract the motorway wasn't due to open until the end of this year. However the pre-contract phase of the project dragged on forever.

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