In order to reduce the sideways used up in the construction of embankments in constrained conditions (due to the presence of buildings, communications, roads) there is a need to build retaining walls. Recently, along with the traditional structures of retaining walls of monolithic reinforced concrete, reinforced soil structures, which are an artificial structure made layer-by-layer reinforcement of the embankment soil with geosynthetic materials, in particular - with the Slavros SO polyethylene, are becoming more and more widespread.
Reinforced soil, to some extent, is similar to reinforced concrete, while in one case the reinforcement is connected with the soil, in the other - with concrete. However, the comparison is not quite fair for these two environments, as in reinforced concrete, reinforcement is designed to perceive tensile forces in the structural element, and in reinforced soil, in particular, using unbound soil, there will probably be a field of exclusively compressive stresses. Consequently, the effect of reinforcement consists in the unequal limitation of normal deformation in different directions.
the complexity of the installation of reinforcement steel cages and formworks;
the large volume of highstrength concrete and reinforcement required for their construction;
long drying time of concrete;
additional costs for work during the cold season.
The “Slavros SO” geogrid is an effective type of reinforcement of both incoherent and cohesive soils. Soil reinforcement using monoaxially oriented geogrids is used to increase the shear resistance of cohesive soils under conditions of both shortterm and long-term loads.
When placed in the ground within the tensile deformation area, the reinforcement distorts the uniformly growing nature of deformations that would exist without reinforcement and in so doing prevents the formation of continuous growth of caving-surfaces in the soil, resulting in the soil acquiring increased rigidity and shear strength within in all directions. As the soil deforms, resistance to shear stress is activated against it, and soil deformations cause deformation of the reinforcement, which results in further increase in the strength of the reinforced system soil.
The connection between the soil and the reinforcement is provided by friction, and the geogrids create a more reliable connection, which is due to the formation of the soil + reinforcement system (the Slavros SO geogrid).
One of the illustrative examples of the construction of various types of reinforced ground systems using geogrids of the Slavros SO brand is the object: “Reconstruction of a traffic intersection at 21 km of the M-5 Ural highway, Moscow region”.
For the selection of the brand of geogrid "Slavros SO" used in the reinforcement of soil systems, and in determining the depth and reinforcement pitch, it is necessary to make a set of calculations to determine the internal and external stability of the structure.
Highly qualified specialists of our company carry out all the necessary calculations, provide consulting and technical support, both at the design stage and at the construction stage. A team of experienced engineers is able to develop an individual design solution that will be distinguished by its costeffectiveness and reliability compared to a typical solution.