Gabion Retaining Wall Design Manual

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.

Gabion retaining wall design manual.

Gabion walls may be stepped on either the front or the back soil side face as illustrated in figure 1. This tutorial offers 5 steps on how to build a gabion wall especially handy tips for starting your first gabion project. 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. The problem of inadequate drainage behind retaining walls is often a source of major wall failure.

The design code applicable to gabions is bs 8002 the code of conduct for earth retaining. Design begins with the selection of trail dimensions for a typical vertical cross section through the wall. For advice or assistance with the design of an economical gabion wall please email our engineer gabion1 co uk. The design of both types is based on the same principles.

The use of horizontal layers of wire mesh as a horizontal tie back or soil reinforcement is discussed separately. The use of link gabions and mattresses helps to ensure that drainage is maintained but like all retaining structures a careful assessment of drainage. 4 some local building regulations define the height as the distance from the base to the top of the retained soil. That may be associated with traditional retaining structures or scour structures.

The following information is provided as a guide to assist contractors and do it your selfers in the proper construction of gabion retaining. 3 retaining wall size needs to be increased to resist added load. Four main steps must. The design does not consider that the gabion mesh provides improvement to stability.

9 3 2 2 1 p in respect of unplanned excavation. 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. 5 professional engineers are unlikely to approve this design of wall. The retaining wall toe prevents the gabion wall sliding forwards the depth of the toe needs to increase as the wall gets bigger.

Gabions are a great way to construct retaining walls garden beds rock wall features seating and numerous other landscape features. The design of gravity retaining walls e g. With traditional procedures for retaining wall design.