Focus In
- Mainly include Drainage Boards/Sheet Drain, Drainage Nets, Drainage Cells, Composite Drain Nets or Drainage Boards, etc.
- Going with geotextiles, drainage materials can perform great functions of soil drainage and filtration.
- Drainage cells can take a good effect in the water stroage and drainage of road construction as well as retaining walls projects.
- Drainage nets have been utilizing in many projects like highway construction sites and landfills for the water collection as well as soil stability.
- Take the advantages of both geotextiles and drainage nets, composite drainage nets are widely used in mining, waste management, and coastal protection.
What is a Drainage Sheet or Sheet Drain?
Sheet drains, also called drainage sheets or drainage boards, refer to horizontal layers of geosynthetic material made from HDPE (High-Density Polyethylene) and polypropylene drainage boards heat bonded to needle-punched filament nonwoven geotextiles. Xinyu Geosynthetics that produces drainage sheets has been doing so for a long time and we are experienced in this field so we can be trusted to make excellent products that customers would like to buy.
Applications of Drainage Sheets
These drainage sheets are perfect for various construction and civil engineering projects. They are the key components that provide both water flow management and filtration solutions. They can be placed in soils, to get through the plant’s root zone and planted directly in them. Moreover, drainage sheets are rather simple to install. Thus, you can even handle it by yourself. They are also very easy to maintain since the petals are long-lasting.
What is a Drainage Net?
Composite geonets, also known as drainage nets, are three-dimensional geosynthetic products created to efficiently drain the volume of rainfall. Manufactured from polypropylene or HDPE, drainage nets are usually going with single or double-sided heat bonding nonwoven geotextiles. This design will furtherly help to strain their filtration and drainage ability. Such elements are the combining advantages of geotextile and geonet being very suitable for a wide range of drainage applications.
Drainage Nets Applications
Drainage nets are normally used in a wide spectrum of infrastructure and civil engineering projects such as railways, tunnels, expressways, municipal infrastructures, tailings dams, slope protection, and landfill projects. The wide use of drainage nets dues to their ability of preventing sand and grit from getting inside the geonet as well as strengthening the structure of drains.
Drainage nets demonstrate their prominent capability to create a changeable space between geomembranes which would represent a part of a leakage detection system. Besides that, the drainage nets are often employed in constructions that ask for the passing of both water and gas. In this way, they are a more space-efficient substitute to normal traditional gravel or sand systems.
What are Drainage Cells?
Drainage cells consist of the most recent geosynthetic products in the family that are engineered to efficiently utilize water and provide means of storage. They are typically made from high-density polyethylene (HDPE) or polypropylene. A modular, interlocking system that creates void spaces for water storage and drainage is formed through an HDPE or polypropylene connection. These cells have been specially designed to be excellent drainage and are non-obtrusive while still giving the functionalities, they are used for in construction and other areas.
Applications of Drainage Cells
Drainage cells have more than one use and can be adapted to a variety of applications including landscaping, road construction, and infrastructure projects. Stormwater systems are mostly the part where drainage cells have been used, especially green roofs, as they are a good solution for water storage, filtration, and drainage.
Drainage cells, in such projects, play the role of reduction on stormwater systems by collecting the rainwater instead of having it overflow and then slowly release it or to infiltrate to another field.
In addition, drainage cells are commonly used in retaining walls, plaza decks, and sports fields. They are sometimes put into the foundation design to make better water flow around the structure, so the water will not collect in one place and the risk of hydrostatic pressure damage will be reduced.
Drainage Materials FAQs
1. What are the primary benefits of using drainage sheets?
The essence of the sheet’s drainage, which is referred to as external drainage, is that the water is allowed to run off through a supporting and filtering system. The prime manufacturer of these is a polyester-based nonwoven company, while the sheet drain material is either plexiglass-polycarbonate or a polylactic acid nonwoven filter blanket.
Getting to drive the rope screen after wearing it during installation is a technique I commonly use and it ensures that quick, painless screen replacement is going to happen. It is true that drainage cells, drain pipes, and flexible ducts may leak at the seams, connections, and joints, which are strong candidates for the problem.
2. How do drainage nets work and what are they used for?
Geonets, or network drains, are three-dimensionally constructed drainage materials made of synthetic geotextile which are filled up with both water and gas in a vertical state. The usual case of geonet drainage courses looks more or less the same with their HDPE cores that are either perforated or non-perforated and filter envelope of nonwoven thermobonded or needle-punched geotextile. Geonets can be used in various types of civil engineering works such as water supply and sanitation, road construction, bridge construction, and others. For instance, they are great when placed in a road embankment to prevent any unwanted liquid from reaching a pavement. A net with a thicker geotextile filter material makes installation easier while the thinner one is slippery.
3. What are the main advantages of using reductions cells as opposed to traditional gravels for flood management?
If you had seen or tested different products with the similar intention and features, you must have built a good knowledge on which ones are the best. From the aspect of value and efficiency, not much has been improved by MWD solutions in comparison with the technology being replaced. It is a fact that it is a benefit to be able to produce all the high-quality machinery by constant rather than the one-time investments in the main items of the garden machinery. A nest of MWDs remains strong and persistent at the end of the process, as its application has been tailored and is supported by its environment.
4. Is it possible to use the drainage cells not only in the vertical direction but also in the horizontal direction?
Yes, their versatility lies in the fact that the drainage cells do not have to be installed only in a certain way. In fact, they are the type of modular devices that can be secured in a variety of configurations according to user preferences. For instance, on one hand, in the case of a vertical drainage application, the cells are used to keep rainwater away from the buildings while in the case of horizontal applications like drainage fields they function by reducing runoff and promoting water infiltration. Unlike the latter, barns and stables need not be concerned with stormwater pollution. The green-roof type either becomes a trend or is constructed for ecological purposes. The issue of water management is a significant one that affects most aspects of the rainwater management system process. The project can get a free verification from the local authorities if it meets the established requirements.
5. But what is the sustainability of plastic-based drainage materials like drainage sheets, nets, and cells?
Drainage materials, as an example of which we could mention drainage sheets, nets, and cells, are made from a number of different synthetic material types that include high-density polyethylene (HDPE) and polypropylene which are all resistant to the detrimental effects of environmental conditions like UV radiation primarily produced by the sun. The longevity of drainage materials besides and membranes, like flatsheets, nets, and the cells, varies from 10 to 30 years and heavily depends on the experience of installation and care. These serve as the mainstay of earthen dam reinforcement which is a common practice for impounding water. The primary focuses of the CRC research project will be related to the assessment, design, and management of green infrastructure. However, the convenience of stormwater management could bring the points for it. The feasibility of the reuse of paramount materials for green infrastructure would be another topic of the discussion. To sum up, the rains will be captured and directed via the established drainage system in the industrial zone where ditches and floors would not be flooded. Nevertheless, the practice will follow the necessary steps of reusing water and recycling.
Geotextiles Type | Drainage Sheets (Sheet Drains/Drainage Boards) | Drainage Nets (Composite Geonets) | Drainage Cells | Geo-composite Drain |
Material | HDPE/Polypropylene(PP) | HDPE/Polypropylene(PP) | HDPE/Polypropylene(PP) | Various |
Functions | Water drainage and filtration | Water drainage, filtration, and protection | Water storage and drainage | Water drainage, filtration, and protection |
Design | Flat sheets bonded with nonwoven geotextiles | 3D geonet with nonwoven geotextiles on one or both sides | Modular interlocking grid for water storage | Combination of geotextiles and geonets |
Applications | Retaining walls, basement walls, garden roofs, plaza decks | Railways, tunnels, landfills, tailing dams, slope protection | Green roofs, stormwater management, foundation systems | Waste management, landfill projects, transport infrastructures |
Advantages | Cost-effective, lightweight, easy installation, prevents hydrostatic pressure | Prevents clogging, high pressure resistance, ideal for erosion control | Space-efficient, lightweight, easy installation, reduces runoff | Versatile, cost-saving, and environmentally friendly |
Durability | High UV and oxidation resistance, long-lasting | UV-resistant, long-lasting | UV-resistant, durable | UV-resistant, durable |
Geotextiles Type | Drainage Sheets (Sheet Drains/Drainage Boards) | Drainage Nets (Composite Geonets) | Drainage Cells | Geo-composite Drain |
Length | Variable (typically 50 m -100 m) | Variable (typically 50 m -100 m) | Variable (modular design) | Variable (typically 50 m -100 m) |
Width | 1 m - 2 m | 1 m - 2 m | 0.5 m - 1 m (modular) | 1 m - 2 m |
Thickness | 3 mm - 5 mm | 5 mm - 8 mm | 25 mm - 50 mm (varies with design) | 5 mm - 10 mm |
Roll Size | Up to 200 ㎡ | Up to 200 ㎡ | Depends on modular configuration | Up to 200 ㎡ |
Custom-Made Available | Yes | Yes | Yes | Yes |
Geotextiles Type | Drainage Sheets (Sheet Drains/Drainage Boards) | Drainage Nets (Composite Geonets) | Drainage Cells | Geo-composite Drain |
Package Type | Rolls | Rolls | Modular Units | Rolls |
Container Type | Pallets, Wooden Boxes, or Bundles | Pallets or Cartons | Pallets or Plastic Bags | Pallets, Wooden Boxes, or Bundles |
Container Size | Up to 200 ㎡ per roll | Up to 200 ㎡ per roll | Depends on modular configuration | Up to 200 ㎡ per roll |
Quantity per Container | 1 - 5 rolls per container | 1 - 5 rolls per container | Varies (modular system) | 1 - 5 rolls per container |
Packaging Material | Polyethylene film or protective wrapping | Polyethylene film or protective wrapping | Plastic bags or shrink wrap | Polyethylene film or protective wrapping |
Custom-Packaging Available | Yes | Yes | Yes | Yes |