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.

Gabion retaining wall design manual.

The design of both types is based on the same principles. Design begins with the selection of trail dimensions for a typical vertical cross section through the wall. The retaining wall toe prevents the gabion wall sliding forwards the depth of the toe needs to increase as the wall gets bigger. 4 some local building regulations define the height as the distance from the base to the top of the retained soil.

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. With traditional procedures for retaining wall design. This tutorial offers 5 steps on how to build a gabion wall especially handy tips for starting your first gabion project. The design code applicable to gabions is bs 8002 the code of conduct for earth retaining.

Gabions are a great way to construct retaining walls garden beds rock wall features seating and numerous other landscape features. The use of horizontal layers of wire mesh as a horizontal tie back or soil reinforcement is discussed separately. 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 use of link gabions and mattresses helps to ensure that drainage is maintained but like all retaining structures a careful assessment of drainage.

For advice or assistance with the design of an economical gabion wall please email our engineer gabion1 co uk. 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. 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. 3 retaining wall size needs to be increased to resist added load.

The design of gravity retaining walls e g. 9 3 2 2 1 p in respect of unplanned excavation. 5 professional engineers are unlikely to approve this design of wall. The following information is provided as a guide to assist contractors and do it your selfers in the proper construction of gabion retaining.

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. The problem of inadequate drainage behind retaining walls is often a source of major wall failure. The design does not consider that the gabion mesh provides improvement to stability.