The design does not consider that the gabion mesh provides improvement to stability.
Gabion basket retaining wall design software.
For retaining wall design.
In general for every 1m increase in wall height the bottom row basket depth should be increased by half a metre.
Large gabion walls with step slopes behind and or buildings above will require an engineers design as the simple 2 1 stability ratio no longer applies.
This zip file download include three files.
The design of both types is based on the same principles.
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The following information is provided as a guide to assist contractors and do it your selfers in the proper construction of gabion retaining walls.
Gabion is an intuitive program for gabion retaining walls design.
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The use of horizontal layers of welded wire mesh anchor mesh as horizontal tie backs for soil reinforcement mse walls is discussed separately.
The design of all retaining walls needs to consider the soil profile soil type clay gravel or sand the final height of the wall and any loadings from driveways and nearby buildings that will increase the design forces that the wall has to withstand.
The standard design for a gabion wall is a pyramid.
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.
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Larger gabion retaining wall solutions use thicker gabions at the base to spread the foundation load and improve resistance to overturning and sliding.
The photos and illustrations shown on this website are examples of typical multi course gravity retaining walls.
Gabion walls are generally analyzed as gravity retaining walls that is walls which use their own weight to resist the lateral earth pressures.
Design begins with the selection of trial 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.
Retaining wall design takes into account site conditions soil types and loads above and behind the retaining wall.
Gabion baskets are a mass retaining system thus the higher the area that needs retaining the heavier the wall must be.