Sediment-control fences designed to withstand hydrostatic forces associated with elevated backwater against the fence are disclosed. The fences are made of anisotropic fabric having different mechanical properties such as strength and stiffness in the machine direction versus the transverse direction. The anisotropic fabric may include fibrillated yarns in one direction and monofilaments in another direction. The sediment-control fences may be used without the necessity of wire or chain-link backed supports that are conventionally used to resist structural failure due to hydraulic overtopping of the fences.

Disclosed is a multiple friction joint pile connection construction system to construct: shallow and deep foundations for structures, tie beam construction between footings, passive piles to prevent slope failures beam on elastic foundation, pile cap and tie beam in the construction of pile groups, load transfer platforms isolated (not connected) from the upper structure, retaining structure when constructed with vertical and horizontal orientation, vertical and horizontal drain when perforated blocks are used, landing pier, quay wall and platform construction for coastal and harbor structures, by anchoring to the upper section of the existing bored piles, by anchoring to the upper sections of the columns of the upper structure, in railroad tie manufacture, in transportation structures and in all kinds of similar geotechnical applications.

A fiber sheet system suitable for controlling erosion and stabilizing soil is described that comprises a fiber sheet comprising a natural fiber felt. A coating composition comprising a natural rubber is adhered to the fiber sheet. The fiber sheet has a top side width less than the height and the length of the fiber sheet. A netting contacts the front and rear sides of the fiber sheet.

A fiber sheet system suitable for controlling erosion and stabilizing soil is described that comprises a fiber sheet comprising a natural fiber felt. A coating composition comprising a natural rubber is adhered to the fiber sheet. The fiber sheet has a top side width less than the height and the length of the fiber sheet. A netting contacts the front and rear sides of the fiber sheet.

A fiber sheet system suitable for controlling erosion and stabilizing soil is described that comprises a fiber sheet comprising a natural fiber felt. The fiber sheet has a top side width smaller than the height and the length of the fiber sheet. A netting contacts the front and rear sides of the fiber sheet.

A fiber sheet system suitable for controlling erosion and stabilizing soil is described that comprises a fiber sheet comprising a natural fiber felt. The fiber sheet has a top side width smaller than the height and the length of the fiber sheet. A netting contacts the front and rear sides of the fiber sheet.

A composite silt fence configured for capturing pollutants in one embodiment comprises a silt fence fabric including i) a polymeric geotextile fabric particulate filtering layer defining the hydraulic flow capacity for the silt fence, ii) a pollutant capturing layer coupled to the polymeric geotextile fabric particulate filtering layer and configured to capture some select pollutants in water from flow that has passed through the polymeric geotextile fabric particulate filtering layer, and iii) a backing layer coupled to the pollutant capturing layer; and a plurality of stakes secured to the silt fence fabric at spaced locations. The silt fence fabric yields higher hydraulic flow than existing fence constructions with greater sediment retention and pollutant containment features.

A composite silt fence configured for capturing pollutants in one embodiment comprises a silt fence fabric including i) a polymeric geotextile fabric particulate filtering layer defining the hydraulic flow capacity for the silt fence, ii) a pollutant capturing layer coupled to the polymeric geotextile fabric particulate filtering layer and configured to capture some select pollutants in water from flow that has passed through the polymeric geotextile fabric particulate filtering layer, and iii) a backing layer coupled to the pollutant capturing layer; and a plurality of stakes secured to the silt fence fabric at spaced locations. The silt fence fabric yields higher hydraulic flow than existing fence constructions with greater sediment retention and pollutant containment features.

This application discloses a geotextile-based structure for soil stabilization, erosion control, and vegetation-growth enhancement that is made from a cage having a hollow interior lined with a geotextile fabric designed to retain fine materials, which cage is attached to a geotextile mat capable of supporting vegetation.

This application discloses a geotextile-based structure for soil stabilization, erosion control, and vegetation-growth enhancement that is made from a cage having a hollow interior lined with a geotextile fabric designed to retain fine materials, which cage is attached to a geotextile mat capable of supporting vegetation.