Timber Retaining Wall Construction Detail

Retaining walls can be constructed with various materials from stone to wood.
Timber retaining wall construction detail. Member sizes and post embedment depths shall be as outlined in tables 1 and 2 for preservative treated softwood and hardwood respectively. Stretch another level line near ground to represent the top of the first course of landscaping timbers. The construction of a timber retaining wall shall conform to the requirements show in figure 1 through figure 3. Timber retaining walls shall be constructed in accordance with the following.
Lumber shall be 6x6 southern pine grade 2 or better and preservative treated in accordance with american wood preservers association. Gravity walls solid 41 inch 1030mm hollow core and xl blocks. Wood retaining wall instructions set up wooden stakes and nylon strings to represent the height and perimeter of the retaining wall. Scroll down to see all the construction details available or click one of the links below to drop down to the section you re looking for.
Soil mechanics simplified 4. Dig a trench 12 inches deep around perimeter of retaining wall. 10 batter as shown. Walls exceeding 400 mm high should have a 1.
Retaining walls are great for creating terracing and raised gardens where space is limited. Timber retaining wall 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. This guide shows you how to build a timber retaining wall up to 1 2 m high consisting of posts embedded in the ground and horizontal rails. Basics of retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
Pick a building material that will work with the look and feel of your yard. Retaining walls in particular contribute significantly to the surroundings when constructed in timber. Timber is a preferred material for landscaping purposes. It includes drainage behind the wall to prevent the build up of water which could overload it.
Typical elevation figure 2. Design procedure overview 3.