Building a new three-dimensional reinforcement system: The geotechnical compartment reshapes the slope protection and weak foundation treatment technology with a three-dimensional honeycomb restraint structure

In the fields of transportation infrastructure, ecological restoration and land remediation, an innovative material that can significantly improve the overall performance of the soil, the geogrid, is relying on its unique three-dimensional honeycomb restraint structure and flexible engineering applicability. It has become a key technical solution for strengthening subgrade, stabilizing slopes, controlling desertification and carrying ground systems, and promoting the fundamental change of soil reinforcement technology from plane reinforcement to three-dimensional restraint.

Geogrid chambers are usually made of high-strength, aging-resistant polymer sheets, which are ultrasonic welded or specially connected to form a series of continuous and foldable honeycomb three-dimensional grid structures.Its core mechanism of action lies in “three-dimensional restraint": after it is expanded and fixed on the surface or inside of the soil, each independent compartment unit is filled with and tightly restrains the sand, stone, soil and other bulk materials in it. Through the lateral restriction effect, the original loose granular material is transformed into a composite overall structural layer with high tensile, shear and deformation resistance.This structural layer can effectively disperse the load, greatly improve the bearing capacity of the foundation, and significantly resist water erosion and wind erosion.

Compared with the traditional two-dimensional geogrid or rigid structure, the geogrid room shows unique and powerful engineering advantages: it provides a strong three-dimensional side limit, low requirements for filling materials, can be locally sourced, and greatly saves costs; it can be folded during transportation and storage, easy to expand on site, fast and efficient construction; overall flexibility, can adapt to uneven settlement, and allows vegetation to grow in it, realizing the organic combination of engineering reinforcement and ecological greening.At present, the geotechnical grid room has been widely used in many complex engineering scenarios such as soft foundation treatment of roads and railways, protection of high and steep slopes, treatment of river bank slopes, stabilization of desert highway subgrade, grassroots construction of airports and parking lots, and drainage protection of roof gardens.It not only provides an efficient and economical flexible reinforcement solution for engineering construction, but also because of its low interference and friendliness to the ecological environment, it has become a model material for practicing the concept of sustainable infrastructure, and has opened up a new technical path for building a safe, green and more resilient engineering system.