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    American Society of Civil Engineers

    AUA Guidelines for Backfilling and Contact Grouting of Tunnels and Shafts

    AUA Guidelines for Backfilling and Contact Grouting of Tunnels and Shafts

    $44.00 USD
    $44.00 USD
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    Raymond Hennassembled comprehensive guidelines for the filling of voids for both soft ground and rock tunnels and shafts.

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