water-blocking geotextile Articles

  • Geotextiles in Construction Dewatering

    Woven geotextiles work wonders in dewatering applications as wraps around well screens and sump pit screens. The textile can be sewn into sleeves or tubes to be slid over the well screen or sump pit framework. This technique allows the user to compensate for well screens with slots that are too large or for sump pit piping with large perforations. By adding the geotextile sleeves the user ...


    By Griffin Dewatering

  • Effect of Dissolved Oxygen (and Bubbles) on the Measured Permittivity of Geotextiles

    Measurements are made of the permittivity in a heat set, nonwoven staple filament polypropylene as a function of the dissolved oxygen content (DOC) of the water. Vacuum deairing of the water to a DOC of 5 ppm or below insures that the measured permittivity will not be lowered by oxygen effects. Careful long-term measurements show that the measured permittivity is reduced very significantly if the ...


    By ASTM International

  • Effects of Back Pressure on Geotextile Transmissivity Tests

    To evaluate the effects of back pressure on the measurements of geotextile in-plane transmissivity, a new test device has been developed. A series of transmissivity tests were performed under back pressures ranging from 6.9 to 414 kPa. Results show that the influence of back pressure is significantly less than that caused by the variability among different specimens. However, to obtain repeatable ...


    By ASTM International

  • Geotex® Geotextiles: A Life Cycle Costing Approach to Roads

    Subgrade contamination is the leading cause of failure in both pavements and unpaved roads. Aggregate layers used to support the traffic or pavement typically rests on a subgrade of sand, silt or clay. Without permanent separation, two factors will undoubtedly lead to the contamination of the aggregate layers—fine-grained soils will enter into the voids of the aggregate, preventing it from ...

  • CoirGreen™ Geotextiles - An Effective Soil Erosion Prevention Method

    “The different coir types and their characteristics have made coir the most versatile natural fiber ...


    By CoirGreen

  • Using Coir Geotextiles for soil erosion control

    One of the most effective and yet natural soil erosion prevention techniques is the use of Coir Geotextiles fabrics ( Woven Geotextiles). Used extensively to prevent environmental degradation Geotextiles have no synthetic material but is instead made out of an organic fiber, coir, which is extracted from the husk of a coconut. It is strong, durable, water proof and is one of the few natural ...


    By CoirGreen

  • Dewatering with Geotextile Bags - South Gippsland, Australia (Water Treatment) - Case Study

    A simple, cost effective new method of dewatering sludge is now available in Australia, writes Bill Kelly from CRS Industrial Water Treatment. The use of geotextilcs for containment and dewatering came about as a result of a major flood event in Holland in the 1950s. It prompted Dutch marine engineers to seek new methods and materials to build structures for coastal defences. The ...

  • Rainstore3 Installation Instructions For Stormwater Drainage Detention & Retention with Geotextile Fabric

    This document describes how to properly install the Rainstore3 water storage system with geotextile fabric for stormwater drainage detention and retention. Detention allows for short-term storage and release of storm water through outlet pipes. Nearby water treatment plants may have a limited capacity for handling storm water and thus, stormwater needs to be temporarily detained on site. ...


    By Invisible Structures, Inc.

  • The Role of Jute Geotextile/Slurry Interface Friction on the Bearing Capacity of Clay Slurry

    The layered clay-sand scheme of land reclamation depends on the successful formation of sand seams sandwiched between hydraulically placed layers of marine clay slurry to provide shorter drainage paths for rapid clay consolidation during surcharge application. It is anticipated that a low-cost jute geotextile placed on a clay slurry surface without anchorage will expedite construction of sand ...


    By ASTM International

  • Geotextile Gravel Pavers keep lake clean in Denver - Case Study

    Denver’s City Park is an iconic symbol of the Mile High City. The oft-photographed park is home to the city’s zoo and the Denver Nature and Science Museum, as well as sports and recreational areas. In 2014, the asphalt parking lot for the Denver Pavilion inside the park was scheduled to be resurfaced. The city, with the help of StudioCPG, a landscape architecture and planning firm, ...


    By Invisible Structures, Inc.

  • Using geotextile tubes for dewatering and beneficial use of high water content solid wastes: design charts and verifications

    The interest to push the beneficial use of high water content solid waste materials to a greater extent has increased tremendously. Using woven geotextile tubes as confinement and dewatering facilities for industrial, municipal sludges, and dredged materials offers various advantages to expand and enhance existing beneficial use strategies. To be successful, proper design of geotextile tubes is ...


    By Inderscience Publishers

  • Soil & water remediation - Burntisland

    Caustic Soda Soil & Water Remediation & Demolition Works Client: Alcan Chemicals Ltd. Consultant; RPS Plc Challenge: Address contamination including elevated pH levels up to 14 pH arising from the use of caustic soda within the site processes for producing allumina, hydrocarbon contaminated material from ...


    By Soilutions Ltd

  • Performance of pervious pavement parking bays storing rainwater in the north of Spain

    Pervious pavements are drainage techniques that improve urban water management in a sustainable manner. An experimental pervious pavement parking area has been constructed in the north of Spain (Santander), with the aim of harvesting good quality rainwater. Forty-five pervious pavement structures have been designed and constructed to measure stored water quantity and quality simultaneously. Ten ...


    By IWA Publishing

  • A Critical Evaluation of the Gradient Ratio Test

    Tests performed in a permeameter have been used to evaluate the gradient ratio test method. The evaluation is based on observed variations of water head and permeability in the composite soil and geotextile specimen with respect to time and with imposed hydraulic gradient. A water pluviation technique was used to reconstitute homogeneous, saturated sand specimens in the permeameter at any ...


    By ASTM International

  • Millstone Manor Parking Lot Stabilization - Case Study

    Shallow utilities won’t get in the way of our high strength woven geotextile’s ability to stabilize this parking lot. Millstone Manor, an apartment complex located right next to the Ogden River at the base of the Wasatch Mountains, had been having difficulty stabilizing their parking areas for years. Due to its proximity to a water source and resulting soil types, the CBR ...


    By Nilex

  • Comparison of Putting Greens Constructed with AirField Systems and USGA Design

    Comparison of Putting Greens Constructed with AirField Systems and USGA Design. Airfield Systems offers an alternative to the standard USGA putting green design. Their design utilizes a highly porous, I-inch deep plastic grid (AirDrain, Figure 1) in place of a 4-inch deep gravel layer. As with gravel, AirDrain allows rapid lateral movement of excess water to drains and thus ...


    By Airfield Systems, LLC

  • Carlton memorial reserve roadway and parking, Sarasota County, Florida

    Engineers Bishop and Associates required that the roadway and parking lot at T. Mabry Carlton, Jr. Memorial Reserve serve a dual function. The system was required to support loads over poor soils and also function as a stormwater retention system, storing the first one inch of rainfall. The retention system consisted of 150 mm (6 in) depth Geoweb sections and #57 stone infill. Seven inches of #57 ...


    By Presto Geosystems

  • Canal sealing with Bentofix case study

    After the first pilot project installation of a geosynthetic clay liner (GCL) in a 1 km long section of the Havel-Oder-Waterway in 1997/98, approved by the local German Water and Ship Authority a second project followed shortly after. In a 500 m long section of the Dortmund-Ems-Canal a newly developed innovative GCL was installed under water. The installed GCL was Bentofix BZ 13-B, a ...


    By NAUE GmbH & Co.KG

  • Former MGP Site Required a Sediment Treatment and Erosion Protection Solution

    A shoreline revetment and sediment capping project along the Collins Cove coast of Beverly, Massachusetts required an erosion solution. The Challenge: Trying to maintain a system that will prevent loss of soils in a dynamic coastal environment is always challenging. As in most erosion control applications the revetment is intended to protect the underlying geotextile. In this particular ...


    By CETCO

  • Care and Handling of Advanced Enviro - Septic ™ Pipe

    Advanced Enviro-Septic™ (AES) is made entirely of durable, non-biodegradable plastic and geotextile fabrics, which enables the pipes to be lightweight and flexible for ease of transport and installation. This also extends system life, since there is nothing to break down or wear out once the system is properly installed. Although the AES is lightweight, the pipe is designed to withstand H20 ...

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