CeTeau Vacuum Consolidation

The innovative CeTeau Vacuo is designed to accelerate the consolidation for soft and very soft saturated fine- grained soils.

The system consists of installing prefabricated vertical drains, individually connected below the surface to vacuum transmission pipes. These pipes are than connected at surface level to a horizontal tubing system by means of specially developed airtight T-couplings. The so-called drainage screens, a row of vertical drains that are connected at the top to a horizontal line, are brought outside the surcharge (if any) and connected to a combined vacuum air pump that has been developed in-house.
The advantage of this method over the traditional sealing by geo-membrane is that leaks are fully traceable even after surcharge loading.
This loading process creates an accelerated isotropic consolidation in the soil mass in a relatively short time, eliminating the need for long-term and potentially unstable surcharge loads. The system is applicable in under the following conditions; Stability problems, No space for shallow slopes or berms, minimal allowable deformation of subsoil ( close to buildings) or Short construction time available.

Advantages of the CeTeau Vacuum Consolidation System

A very short installation period
Significant time reduction compared with other consolidation methods
No liner required
Flexible configuration due to the absence of a liner
No border trench required, which could cause instability or horizontal deformation.
Isotropic consolidation reduces the risk of failure under additional loading
No risk of slope instability beyond boundaries
Controlled rate and magnitude of loading and settlement
Reduction in surcharge fill transportation
No connection with underlying aquifers
Separation of intermediate sand lenses possible
Horizontal deformation during filling is avoided
Large reduction in secondary settlements

CeTeau

CeTeau Vacuum Consolidation

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