Timber Retaining Wall Tiebacks

They are constructed by grouting a high strength steel bar or strand bundle into the soil or rock behind the failure surface of the retaining wall.

Timber retaining wall tiebacks.

Dig out a t shape trench into the hillside behind the wall and lay in the dead man. Install one dead man every 6 to 8 feet around the entire wall. The wall is assumed to be located in the christchurch port hills. And it doesn t rely on sheer weight to hold back the slope as do masonry walls.

Yet there is another type of wood retaining wall that uses lighter weight dimensional pressure treated lumber. The example wall is shown in figure x 2 and consists of a 4 m high timber pole wall with ground anchor tie backs. Drilled pier walls these are walls that rest on top of a cap beam or grade beam which is in turn supported by a series of drilled piers that are spaced uniformly. Drive spikes into the holes attaching the tiebacks to the deadmen and the wall.

After installing the third course of timbers make a t shape dead man tie back from two short lengths of landscaping timber. The following design assumptions were made. Excavate the bottom of the slope to create a level base for the wall. Ancd retaining walls uloroviyam timber cross tie railroad wall wikipedia gc4fp17 dead man canterbury traditional cache in south island how to build a wood with deadman part 2 you types of choose wisely repair bob vila remediating existing and structures earth anchors for securing the ashi reporter inspection news views from.

Make the trench about 8 inches deep. Set one end of each tieback on the second course of timbers the other end on the crosspiece. Connect the stakes with a string and adjust until it is level images 1 and 2. The base of the retaining wall should be half the wall s height.

Download the pdf for application instructions. Tiebacks and tiedowns tiebacks are used to provide the lateral resisting force for many of the excavation support systems and retaining walls that schnabel builds. Fasten the dead man to the retaining wall with two landscaping screws. Make adjustments as needed to level and square the deadmen and tiebacks.

Dig a foundation trench for the first row of timbers image 3. Then stake the dead man to the soil with two rebar stakes. Customers successfully use our heavy duty easy to install and load tested bullets and arrowhead anchors using drive rods and quickvise for securing retaining walls including our anchor models 3 60qv 3 120qv 4st 60qv 4st 120qv. Tieback walls are comparatively much simpler to design than the other types of retaining walls.

The wall is assumed to be protecting a levelled dwelling platform with a steep 20 degree hill slope above.