| The basic principle behind geocomposite drainage | | | | include: controlling the overlying excessive |
| systems is to include the best features of various | | | | grow-supporting material in a drained condition; |
| materials in such a way that specific applications are | | | | preventing chronic anaerobic conditions; supporting |
| performed in the best manner and at minimum cost. | | | | the principal mechanism for releasing storm-event |
| It results in increased benefit/cost ratio. There are | | | | runoff including eliminating surface flow and reducing |
| numerous geocomposite drainage materials in use. | | | | seepage flow in the growth-supporting media. Other |
| The relationship between hydraulic gradient and | | | | functions may include a suitable prospect for |
| transmissivity for most synthetic drainage materials is | | | | introduction of irrigation and escalating root-volume |
| known to be non-linear. | | | | available for the plants. |
| The basic functions of any drainage system may | | | | Drainage is basically divided into two classes |