What are the criteria to be satisfied when making a retaining wall?
You should determine the type, bearing capacity (the capacity of soil to support a load), stress parameters, and friction angle (resistance to movement) of the soil used for the foundation and reinforced zone along with the retained soil zone.
What is gabion wall design?
Gabion walls are made up of row upon row of orthogonal cages or baskets (gabions) which are filled with rock fragments/cobbles and tied together. This arrangement forms a block of gravity structure that is able to withstand lateral pressure on it. However, gabion walls can be designed as retaining structures.
Is code for design of gabion wall?
Code 456-2000
Design is done as per IS Code 456-2000. Gabion wall is design similarly as Gravity wall. Stability analysis of walls includes check against sliding at the base, overturning about the toe, bearing failure of the foundation soil and overall stability failure.
How do you evaluate retaining walls?
Step One: Take Measurements for the Wall Start by measuring the wall’s width and height. Most experts suggest embedding the first course of blocks below grade about 10% of the wall height to support it correctly. For example, if the desired wall height is 6 feet, you should embed it below grade by 7-8 inches.
What is a cantilever retaining wall?
Cantilever retaining walls are constructed of reinforced concrete. They consist of a relatively thin stem and a base slab. The base is also divided into two parts, the heel and toe. Use much less concrete than monolithic gravity walls, but require more design and careful construction.
What is gabion stone?
Gabion stone is a type of crushed stone, such as limestone, sourced from local stone quarries and used as filler for gabion boxes, baskets, and cages. Gabion baskets are typically filled with rocks, concrete, and sometimes other aggregates such as sand and soil.
What size is gabion stone?
Standard Size Gabions Traditionally twisted mesh gabions have been: 3′, 4.5′, 6′, 9′, and 12′ in length; 3′ and 4.5′ in width; and 1′,1.5′, and 3′ in height. The below chart shows the standard gabion sizes for both baskets and reno mattresses.
How are gabion walls constructed?
Gabion walls are retaining walls built by stacking stone in a gabion cage or gabion basket that can serve many purposes but are most often used to create tiered or leveled ground in gardens.
What is gabion check dam?
Gabion check dams (GCDs) are among the most diffused soil and water conservation practices in Burkina Faso, used to cope with soil loss and reservoir siltation. Specifically, CGDs are flexible, permeable structures built in gullies to create a sedimentation bench that decreases the average upstream slope.