© Mort Drilling Services, Inc. 2015

EARTH SHORING AND RETENTION

Grout Injection Tie Back Anchors

Tieback anchors are post-stressed structural elements installed near horizontal in soil or rock that are used to transmit an applied tensile load into the ground. Tieback anchors consist of a high strength steel tendon (hollow bar or strand) grouted into a drilled hole and tensioned against a structural anchorage such as a soldier pile wall, a sheet pile wall, or a CMU or shotcrete wall.

Soil Nails

Soil nailing is used as soil reinforcement. Steel tendons grouted into pre-drilled holes are used to  create a stable block in front of the soil that requires support.  Soil nails are used for the temporary support of excavations, construction of permanent retaining walls, construction and for the control of landslides.  Soil nails are used to stabilize large masses of soil.  Soil nail walls are usually built with smaller, easily mobilized equipment and without extensive steel fabrication.  This minimizes the start-up time and makes soil nailing the best application for congested sites.

Sheet Piling

Sheet pile walls consist of driven interlocked composite panels. Each pile is engaged with and driven in alongside the previous one, thereby creating an impervious wall. Common designs used include seawalls, cofferdams and retaining walls. Sheet pile walls are commonly used in the marine environment for the construction of docksides and piers, and on inland waterways to reinforce canal and river banks.

Anchored Retaining Walls

Ground anchors supply lateral reinforcement to existing and failing retaining walls, new retaining walls (eliminating the need for large excavations and cantilever footings), and secure steep slopes. Ground anchors can be installed in temporary and permanent applications.
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