2016年06月25日

Soil-nail:retaining walls

A soil nailing system includes a temporary retaining wall for an excavation sidewall. Soil nails extend outwardly into the soil sidewall and are integrated with the temporary retaining wall. The soil nails comprise an easily shearable reinforcing rod made, for example, of fiberglass so that the area containing the soil nails can be excavated after permanent walls are provided in the excavation.
A soil reinforced retaining wall for an earthen embankment is formed by screwing nails into the embankment at spaced intervals. The nails have helical threads extending therearound of such proportion and pitch as to screw into the formation as the nails are driven into place with a vibratory hammer, without prior boring of the embankment to accommodate the nails, or the necessity of cementing the nails into place. The wall is constructed from the top down and face panels are progressively assembled over the embankment and secured in place by the nails. In a preferred embodiment the nails have an elongate tubular body of a polyhedral cross-section and the threads are formed by twisting the body about its longitudinal axis.
http://www.generaccion.com/usuarios/94770/sinorock-soil-nail-is-for-stabilization-of-excavations


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