Modes of failure vary when looking at repairing a retaining wall. Depending on the type of retaining wall, the approach to repair is best decided by either an experinced geotechnical engineer or an experienced retaining wall specialist.
![timber-retaining-wall-repair-auckland](https://retainedearth.wordpress.com/wp-content/uploads/2018/10/repair-timber-retaining-wall-auckland-e1539039175555.jpg?w=900)
As most retaining walls in Auckland are made from timber, they are typically a cantilever system which utilises vertically-placed posts or sleepers to hold the retained embankment. There are mainly three types of failure with timber sleeper retaining walls; rotation, corrosion (rot and termite damage) and tree roots.
![concrete-block-retaining-wall-repair](https://retainedearth.wordpress.com/wp-content/uploads/2018/10/repair-concrete-retaining-wall-auckland-e1539039382329.jpg?w=900)
Following is a before and after repair job that we carried out. The original retainer, although built with treated pine, was termite ridden and rotten from moisture/ dampness. This was removed and replaced with a smooth, off form grey concrete sleeper wall which uses galvanised steel beams.
![repair-retaining-wall-auckland](https://retainedearth.wordpress.com/wp-content/uploads/2018/10/fix-timber-retaining-auckland.jpg?w=900)
![repair-timber-retaining-walls-auckland](https://retainedearth.wordpress.com/wp-content/uploads/2018/10/fix-timber-retaining-auckland-1.jpg?w=900)
The replacement retained earth sleeper wall also featured our heavy duty fence brackets to allow for rapid fence installation.
Contact retained earth for more details.
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