Gabion Retaining Wall Design Manual

This tutorial offers 5 steps on how to build a gabion wall especially handy tips for starting your first gabion project.

Gabion retaining wall design manual.

3 retaining wall size needs to be increased to resist added load. With traditional procedures for retaining wall design. The following information is provided as a guide to assist contractors and do it your selfers in the proper construction of gabion retaining. The use of horizontal layers of wire mesh as a horizontal tie back or soil reinforcement is discussed separately.

The design does not consider that the gabion mesh provides improvement to stability. The use of link gabions and mattresses helps to ensure that drainage is maintained but like all retaining structures a careful assessment of drainage. Gabion retaining wall systems are monolithic gravity mass structures that are ideally suited for erosion control applications and follow standard design methods for gravity and mse retaining walls. Gabion earth retaining walls are required to comply eurocode 7 clause 9 and clause 4 and clause 5 of bs8002 2015 notably eurocode 7 cl.

Design begins with the selection of trail dimensions for a typical vertical cross section through the wall. The design of gabion retaining walls is based on the mass of the contained stone or rock being able to resist the disturbing forces due to soil and external loadings. The design of both types is based on the same principles. When building gabions on softer soils both the depth of the toe and the size of the base needs to be increased to spread the load over a wider area.

The retaining wall toe prevents the gabion wall sliding forwards the depth of the toe needs to increase as the wall gets bigger. 5 professional engineers are unlikely to approve this design of wall. 3 0 design guide for lane gabion walls 3 1 gravity wall design lane gabion walls are generally analyzed as gravity retaining walls that is walls which use their own weight to resist the lateral earth pressures. When constructing gabion retaining walls in strongly acidic soils ph over 5 5 the soil and the corrosive groundwater must be separated from the gabion structure by using geotextile fabrics and a properly designed drainage system.

Gabion walls may be stepped on either the front or the back soil side face as illustrated in figure 1. Gabions are a great way to construct retaining walls garden beds rock wall features seating and numerous other landscape features. Four main steps must. The design of gravity retaining walls e g.

The design code applicable to gabions is bs 8002 the code of conduct for earth retaining. The problem of inadequate drainage behind retaining walls is often a source of major wall failure. That may be associated with traditional retaining structures or scour structures.