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SOIL NAILS by lindayy



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									             Soil Nails

             Soil Nails are commonly used to stabilize the
             faces of cut slopes, in order to reduce excavation
             quantities by the creation of steeply inclined
             stable slopes to the faces of excavations.
             Traditionally Soil Nails have comprised of a single
             steel member, completely encapsulated by grout,
             penetrating the ground through the active,
             “unstable” zone into the resistant, stable zone,
             thereby providing resistance to the shear forces of

             the active zone. Soil Nails are similar to soil
             anchors but have the distinguishing difference of
             being passive, that is to say that no pre-load is
             applied as part of the installation process.

             The principal application for Soil Nails is in slope
             stabilisation, in conjunction with a concrete facing
             to the slope. They are installed on a relatively
             closely spaced grid pattern with the objective of
             creating mass stability in the soil.

             As well as the traditional Soil Nails Menard offers a
             hybrid “active” soil nail containing two steel
             members: one to perform the role of the passive
             soil nail and a second pre-loadable component
             with the dual purpose of pulling the facing
             concrete onto the soil and improving the shear
             capacity of the soil.

                                        Austress Menard Pty Ltd         A.B.N. 55 109 340 276
                                 Head Office – Sydney 13-15 Lyonpark Road, Macquarie Park NSW 2113
                                   Tel: 61 2 9491 7100 Fax: 61 2 9491 7111

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