Drainage

PREFABRICATED VERTICAL DRAIN (PVD) is a sheet that act as vertical drainage, which is a combination of core material and spun-bond non woven geotextile as wrapping layers. The core product is available in three types of different contours, in accordance with the project requirements.

PVD serves to accelerate the process of consolidation of the soil, especially on clay or silty clay. PVD installed vertically into the ground to siphon the water from the layer of soft soil to the surface.

Geotextile Encased Columns (GEC) is form of sleeves made of high strength woven geotextile which are manufactured seamless. GEC can be filled with sand, gravel or split. GEC used on very soft ground, where soil improvement can't be done conventionally.

GEC is the development of stone column. Its main function is to transfer the embankment load through the soft soil to a firm stratum. GEC also can act as vertical drains, so it can reduce the time of consolidation.

PREFABRICATED VERTICAL DRAIN (PVD) adalah lembaran plastik untuk drainase vertikal yang panjang dan berkantung yang merupakan kombinasi antara bahan inti (core) polypropylene berkekuatan mekanik tinggi dan lapisan pembungkus dari bahan geotekstil. Bagian inti produk ini tersedia dalam tiga jenis kontur yang berbedabeda, sesuai dengan kecepatan aliran drainase yang diinginkan.

Geotextile Encased Columns (GEC) adalah kantung yang  terbuat dari woven geotextile yang dianyam melingkar tanpa sambungan. GEC dapat diisi dengan pasir, kerikil atau batu pecah. GEC digunakan pada tanah yang sangat lunak, di mana perbaikan tanah secara konvensional tidak dapat dilakukan.