Retaining wall with an outer face and method of forming the same

Details Retaining wall with an outer face and method of forming the same Retaining wall with an outer face and method of forming the same

1994-06-08

1996-09-03

Bagnell, David J.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405284, 405262, F02D 2902

Patent

active

055518109

ABSTRACT:
A retaining wall system is comprised of a retaining wall with an outer face. A cut is excavated in successive sections to form exposed cut faces. The exposed cut face of each successively excavated section may be temporarily supported with pneumatically applied concrete. A concrete wale is then formed horizontally along a portion of the exposed cut face of each successively excavated section. Next, tiebacks are installed through the concrete wale. The tiebacks are tested, tensioned and secured against the concrete wale. After the excavation has been completed and the retaining wall formed, an outer face is provided which extends to the full height of the retaining wall. A concrete footing is first provided at the base of the retaining wall. Next, a first tier of facing elements is erected above the concrete footing. These facing elements are then secured to a first adjacent concrete wale at a first connection point. Backfill material is placed between the first tier of facing elements and the retaining wall. Finally, concrete is placed between the first tier of facing elements and the retaining wall to thereby encase the first connection point. The outer face thus effectively ties together the concrete wales and tiebacks of the retaining wall to further support the excavated slope. Additional tiers of facing elements are added as necessary. Additional vertical support may be provided by elongated reinforcement posts disposed between the footing and adjacent concrete wales, or by mini-piles.

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