Gabion Retaining Wall Design Example
Gabion retaining wall design guidelines most gabion retaining walls don t need concrete foundations depending on the wall height a 2 to 4 layer of compacted 1 road base crushed from either blue metal or basalt rock is all that is required for most gabion walls.
Gabion retaining wall design example. Design begins with the selection of trail dimensions for a typical vertical cross section through the wall. A gabion may be defined as a heavy duty rectangular wire mesh basket filled with rocks and used to construct walls and other earth retaining or erosion control structures. Retaining wall design examples. Gabion walls are most commonly filled with rocks and the voids between them are filled in with backfill materials such as silts and clay or soft clay.
Gabion1 has 100 s of sizes allowing stepped foundations. Gabion baskets are a mass retaining system thus the higher the area that needs retaining the heavier the wall must be. Gabion wall is designed in the same way as gravity retaining wall. The standard design for a gabion wall is a pyramid.
In general for every 1m increase in wall height the bottom row basket depth should be increased by half a metre. An engineer s design will consider the design limit states and specify the dimensions of the toe and base for your wall. When the gabion retaining wall is subject to a additional surcharges from a driveway or other loads the design will most likely increase the depth of the gabions to handle the higher expected loads. Gabion retaining wall examples more info.
In constructing walls individual gabions are used as construction blocks. Gabion is mostly used to create walls and fences of all types privacy fences regular fences garden fences and used in retaining walls. Here s a huge collection of gabion wall and fence examples. Often local authorities require the design work to be done by a registered engineer before issuing a building consent.
A review of basic soil. Gabion walls may be stepped on either the front or the back soil side face as illustrated in figure 1. Other topics include sheet pile walls tilt up retaining walls soldier pile walls gabion walls counterfort walls pilaster walls and walls with pile or pier foundations. Four main steps must.
Units of gabion wall are considered as one cohesive mass for design purposes. Examples of gabion retaining walls geo tex geo textile filter fabric is a vital component of any gabion retaining wall project. With traditional procedures for retaining wall design.