Retaining Wall Specifications Timber

Retaining walls in particular contribute significantly to the surroundings when constructed from timber.

Retaining wall specifications timber.

If you have your retaining wall built figure about 15 per square face foot for a timber wall 20 for an interlocking block system or poured concrete and 25 for a natural stone wall. Designing the cantilever wall stem 9. In ground durability class 1 timber species or timber preservative treated to h5 should therefore be used. These retaining walls have been used for a long time in australia.

The natural appeal and versatility of timber is ideal for this application. Gabion walls 16. Preparing a troublesome site one that includes clay soil or a natural spring for example can raise costs substantially. One of the most important retaining wall specifications to consider is the load that the wall will need to bear.

Building codes and retaining walls 5. On a steep site they give your garden structure highlight natural features and. This determines the necessary dimensions of the sleepers and posts. But a retaining wall made of timber will be straight.

The purpose of this technical data sheet is to provide sufficient detail to enable the correct design and. Earthquake seismic design 7. Several factors add to the load on a wall including lateral earth pressure from soil surcharge loads axial forces wind forces and impact loads. Walls exceeding 400 mm high should have a 1.

An engineer will be required to plan and design walls greater than one metre including the footings and drainage. Walls up to one metre in height follow a basic design and can usually be constructed using standard proprietary wall systems. Pick a building material that will work with the look and feel of your yard. Member sizes and post embedment depths shall be as outlined in tables 1 and 2 for preservative treated softwood and hardwood respectively.

10 batter as shown. Retaining walls are perfect for creating a focal point in your garden highlighting a special feature or levelling off areas to create a flat lawn. Retaining walls up to 1 m high timber retaining walls up to one metre high can be constructed as shown in figure 1. Cantilevered tilt up walls 13.

Timber is a preferred material for landscaping purposes. Wood retaining walls 14. Pier and pile foundations 11. Forces on retaining walls 6.

Counterfort retaining walls 12. Some materials can be used to create curves. Retaining walls are great for creating terracing and raised gardens where space is limited. Soil bearing and stability 8.

Initially constructed from original old railway sleepers our research tells us that around 15 years was a fairly average life span for these class 1 timber hardwood walls.