Gabion Retaining Wall Design Calculations

How retaining walls fail.

Gabion retaining wall design calculations.

The design code applicable to gabions is bs 8002 the code of conduct for earth retaining. Pilaster masonry walls 19. 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. 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. Design examples appendix a. The design does not consider that the gabion mesh provides improvement to stability. The retaining wall toe prevents the gabion wall sliding forwards the depth of the toe needs to increase as the wall gets bigger.

Our previous article retaining wall. Construction topics and caveats 24. Dutch french the design and calculations are based on the coulomb method and conform the britisch standard bs8002 which state that the security factor against overturning fo has to be 2 and the security factor against sliding fs has to be 1 5. A design approach discusses the principle and concept behind and when and where to consider a retaining wall in our design.

Gabion retaining walls can be designed and configured with a stepped front face or a smooth front face. Soldier pile walls 22. 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. With traditional procedures for retaining wall design.

Four main steps must. Gabion walls may be stepped on either the front or the back soil side face as illustrated in figure 1. Calculations this post is also available in. Restrained non yielding walls 20.

9 3 2 2 1 p in respect of unplanned excavation. The design of both types is based on the same principles. The design of gravity retaining walls e g. Wood retaining walls 14.

Sheet pile walls 21. The use of horizontal layers of wire mesh as a horizontal tie back or soil reinforcement is discussed separately. When utilizing a gabion wall with a smooth front face the gabion wall should be placed on a 5 6 degree batter and is not recommended for walls above 18 high. We have learned the different checks against the mode of failures in the retaining wall.

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.