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  • Archive from category "Erosion mats"

Category: Erosion mats

Cycle and pedestrian paths: solutions to make them safer and more attractive.

Friday, 10 March 2023 by Tema Corporation
TeMa Geo Solutions - Cycle and pedestrian paths

Longer days, milder afternoons, a great desire to spend time outdoors and perhaps get some physical exercise, but also go to work and school or visit a friend… These are all good reasons for using, when available, cycle and pedestrian paths, possibly far from urban traffic.

 

The advantages of sustainable mobility

We are increasingly talking about environmental sustainability and the physical and psychological benefits of physical exercise:

  • Less air and noise pollution caused by traffic.
  • Reduced transport costs.
  • Greater freedom of movement.
  • Enhanced green areas in cities.
  • Better quality of life by doing a bit of sport on a daily basis.

 

TeMa Geo Solutions for safety and urban benefits

‘Unequipped’ roads can be hazardous for those who choose to get around by bicycle: for this and environmental reasons, cycle and pedestrian paths are the ideal solution, as they are increasingly becoming part of local government mobility plans.

TeMa Geo Solutions offers all its experience by combining reinforced earth structures and their feature of being green, with cycle and pedestrian paths.

An embankment can be made or a road widened with its sides sloping at 65°/70° using the T-System (consisting of formworks, X-Grid PET geogrids and K-Mat FG Green erosion control mats as facing), thereby making the path safe and allowing a slope to turn green again. Making a slope green again provides a natural erosion control function: to encourage it, TeMa Geo Solutions recommends installing natural or synthetic mats. To make the structure stable, the T-System for reinforced soils adopted by TeMa involves using X-Grid PET geogrids.

 

Erosion controlErosion matsgeogridsreinforced earth structuresTeMa Geo Solutions
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  • Published in Erosion mats, GEO, Geogrids, Reinforced earth structures, Reinforced earth structures - Erosion control, Roads
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Controlling surface erosion with biomats and geomats

Tuesday, 25 October 2022 by Tema Corporation
GEO - Controlling surface erosion with biomats and geomats

Soil erosion is an almost inevitable natural phenomenon that has become a greater concern in recent years due to the worsening climate situation – in Italy, for example, 132 extreme weather events were recorded between January and July 2022, a higher number than the annual average over the last decade – combined with long periods of drought.

Strong winds, heavy rain, hail and runoff tend to remove the surface layer of exposed soils, which often include organic matter and seeds. Climate change facilitates erosion, making it not only inevitable but also hazardous if left uncontrolled.

It’s essential to counter or mitigate the phenomenon: soil provides us with food, biomass and raw materials; human activities take place on it and it’s part of the landscape and our cultural heritage.

 

Which structures are more subject to surface erosion?

The areas of application most affected by the erosive action of the climate are:

  • slopes and the sides of landfills and contaminated sites, and those that have been grassed for appreciable aesthetic improvement;
  • reinforced earth structures, more specifically terracing in vineyards and the embankments of canals or rivers;
  • ascending/descending ramps from flyovers, tunnel entrances and noise barriers on roads and railways;
  • dry, rocky slopes, of all angles, that shape the terrain of Italy.

 

 

The effects of surface erosion

The uncontrolled removal of the surface topsoil and the failure of vegetation to take root results in ‘thinning’ of the soil and a risk to the stability of sloping areas.

 

What can be done to prevent surface erosion?

We should begin by pointing out that a case-by-case assessment is required that considers many variables, such as the nature and uniformity of the soil, the slope gradient, the type of slope (dry or rocky) and the weather conditions in the area where intervention work is to be carried out.

In general, vegetation, whatever type it is, has a natural ability to protect soils from erosion. So the best course of action is to quickly encourage grassing and then apply biodegradable mats made of jute, straw, coconut and cellulose fibre, which can also be pre-seeded.

TeMa Geo Solutions recommends biomats such as Ecovermat, Ecovermat P and PC, and Ecovernet.

Alternatively, or combined with these, synthetic geomats, mainly made of polymer monofilaments, can be used.

Once laid, they are covered with another layer of soil: in this way, the roots of growing vegetation will become entangled with the geomat, creating an almost permanent erosion protection system.

Once again, TeMa Geo Solutions offers a wide range of geomats to choose from.

 

 

GEO - Controlling surface erosion with biomats and geomats

 

Uncertain about what to choose? We can help you. CONTACT US!

 

environment protectionErosion controlErosion matsgeosyntheticsTeMa for the environmentTeMa Geo Solutions
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  • Published in Erosion mats, GEO, Landfills, Reinforced earth structures, Reinforced earth structures - Erosion control, Roads
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Reinforced earth structures as noise barriers

Thursday, 29 September 2022 by Tema Corporation
TeMa Geo Solutions - Reinforced earth structures as noise barriers

Hearing the noise of traffic outside your window all day long is irritating and distracting and, in the long term, also harmful to your health.

This is why the WHO and a number of laws govern the use of noise remediation systems in cities: the Framework Law no. 447 of 1995 for Italy and the European Directive on Environmental Noise no. 49/2022. If the cause of the noise cannot be addressed, the solution is to install protective barriers. Various kinds can be used, but in this case we focus on reinforced earth structures that require specific measures, which we discuss here.

 

For example, the Pedemontana Veneta is a new toll motorway in Italy: nearly 100 km long. Almost entirely in operation in the north-east of the Veneto region, the main route of this motorway runs through a deep trench in order to minimise the ‘territorial’ and environmental impact on the surrounding area. This means that long sloping areas of reinforced earth can be found along the sides of the motorway, with rows of trees and hedges for 58.61 km and green areas covering 1,333,410 square metres of hedgerows, groves, grassy slopes and tree-lined meadows.
A focus on noise with much regard for the landscape.

 

What do reinforced earth noise barriers consist of?

For this type of embankment with its typical trapezoidal shape, earth is used that will be covered by vegetation over time. Geosynthetic reinforcements and geogrids are added to support the earth, which already has good compressive strength. These are inserted horizontally into the ground and develop friction and tension that stabilise the structure, increasing its resistance to stress.

The TeMa Geo Solutions offer includes the X-Grid Pet PVC range of geogrids, with different resistance values, which are ideal for all kinds of contexts.

Another aspect to bear in mind is surface erosion of the soil: to counteract this, synthetic geomats are applied, also with a mulching function to encourage the growth of grass cover, or natural fibre bionets.

Also in this case, TeMa Geo Solutions offers a wide choice ranging from Ecovermat F Grass and Ecovernet FJ to the K-Mat range.

 

Why use a vegetation barrier as a protective noise barrier?

A vegetation barrier has an unquestionable ability to limit the spread of sound waves: some of them are absorbed, some reflected and some deflected. As a result, the amount of sound waves reaching the receiver is greatly reduced and noise can be dampened by several decibels.

 

The advantages of a reinforced earth sound-deadening barriera

Creating reinforced earth structures brings considerable advantages:

  • it costs less because you can often use earth available on-site
  • no special maintenance is required other than regular trimming.
  • it helps the environment and integrates with it: the use of vegetation also reduces vehicle emissions by absorbing CO 2 and purifying the air.

 

 

Erosion controlgeogridsgeosyntheticsreinforced earth structuresreinforced geogridsTeMa Geo Solutions
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  • Published in Erosion mats, GEO, Geogrids, Reinforced earth structures, Reinforced earth structures - Erosion control
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New solutions in road construction and/or repairs

Tuesday, 15 March 2022 by Tema Corporation
TeMa Geo Solutions - Roads

The safety of road infrastructures is the main goal, and maintenance work – whether preventive or supplementary – is systematic.

Road surfaces withstand heavy traffic loads and atmospheric changes with significant variations in temperature. Constant maintenance is therefore required in order to ensure even surfaces and the stability of structural elements.

Let’s look at the main factors involved in building new roads or maintaining roads.

 

Controlling surface erosion

Erosion is largely due to freeze/thaw cycles, which make asphalt less elastic and therefore more prone to internal voids. Such voids allow water to penetrate into underlying layers, gradually eroding the structure.

In addition, heavy traffic loads, especially heavy vehicles, cause deformation of the surface layers: this results in water penetration, which “softens” the structure and makes it less resistant.

 

Anti-capillary drainage

The water capillarity, i.e. the ability of liquids to move in micro-spaces even against the force of gravity, is a rather complex concept closely monitored in the construction industry. With the help of pressures exerted on lower layers, water rises upwards, dragging the finer components of materials with it and causing deformation.

It is therefore necessary to provide a drainage geocomposite, a three-dimensional membrane obtained by bonding two or more synthetic components in order to convey fluids to the exterior and prevent them from rising.

You can discover all our solutions here.

 

Reinforcement

It may sometimes be necessary to install reinforcement grids, especially if there is a more or less pronounced slope that would cause a road shoulder to slide downwards.

The choice of the most suitable type of reinforcement, and therefore also of the position of the geogrid in the layering, clearly depends on the problems to be faced i.e. reinforcing the surface area to limit the spread of cracks to underlying layers, improving the load-bearing capacity and reducing the stresses transmitted to lower layers, or providing a separation (and anti-contamination) function.

Discover all our solutions here.

 

Stabilisation

During intervention works, softer soils may be encountered, which may be subject to instability or even collapse in the early stages of intervention works. Even if this should not jeopardise the feasibility of the works, there is still the risk that the minimum legal safety requirements will be compromised.

Also in this case, geosynthetic products are the solution to the problem, as they absorb tensions at least until the intervention work achieves structural stability.

Discover the solutions in the X-Grid line here.

 

Drainagedrainage geocomposites and membranesgeogridsgeosyntheticsroadsTeMa Geo Solutions
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  • Published in Drainage geocomposites and membranes, Erosion mats, GEO, Geogrids, Roads
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Protecting the vineyard landscape: tried-and-tested technologies… sitting lightly in the field.

Thursday, 14 October 2021 by Tema Corporation
TeMa Geo Solutions - Protecting the vineyard landscape

The photo conjures up a lofty tale: “Autumn arrives and with it, the first rains, days draw in, the temperature starts to drop and, above all… it’s harvest time!”

We’re in the eastern corner of the Veneto region, the Prosecco hills have outdone themselves once again this year and a steady stream of grape-laden trailers continue to roll past on their way to the wineries. But this year’s harvest has had to contend with rather uncertain weather patterns: frosts in late spring, persistent rain interspersed with dry spells, with violent storms and hail over summer.

These conditions certainly don’t help the soil, putting it at risk of slips, subsidence and erosion. But if we apply TeMa Geo Solutions’ modern technologies and materials designed for this very purpose, we can protect the land from damage and, what’s more, do it in a sustainable way.

Not far from here, just a few kilometres from our headquarters, the Prosecco hills fall largely within the UNESCO World Heritage Site, meaning any measures must be strictly reconstructive, designed to protect the status quo and absolutely non-invasive: “gentle” on the environment.

TeMa Geo Solutions has come up with high-performance solutions to control the natural erosion of the soil, reinforce slopes, and drain water with:

  • biodegradable fibre matting made from 100% natural jute such as Ecovernet® J500 XL and Ecovermat P Grass, which provide protection to stop soil being blown or washed away by the elements, and encourage vegetation;
  • the K-Mat F erosion control synthetic geomat;
  • reinforcement geogrids such as X-Grid PET PVC, which can withstand considerable stress levels;
  • the Speedrain drainage geocomposite, which drains away water from the surrounding soil, stabilizing any surface slips.

Products

Ecovernet biomats made by juta fibersEcovernet J
Biomats used for the superficial erosion control made by straw fibersEcovermat
Synthetic anti-erosion geomatK-mat
Reinforcement uniaxial geogrids: PET and coated with PVCX-Grid PET PCV
Drainage geocomposite: core of monofilaments, bonded to 2 filtering nonwoven geotextilesSpeedrain

If you wish to receive more information, CONTACT US or take a look and download our “Vineyards” catalogue.

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  • Published in environmental, Erosion mats, GEO, Geogrids, Landfills - Erosion control, Reinforced earth structures - Erosion control
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Environmental intervention works in keeping with our philosophy

Wednesday, 02 September 2020 by Tema Corporation

An environmental reappraisal

Over the centuries the relationship between man and the environment has undergone considerable tensions. Rural development and the impetus in building have undoubtedly disrupted certain landscapes, reducing natural spaces to accommodate new urban and agricultural areas. This type of intervention work has led to a crisis in the ecosystem, imposing re-evaluation of the fragile balance between the economy and the environment.

This is the socio-cultural background that has led to global re-assessment aimed at defining programmes and new territorial management formulas. It has been the driving force behind TeMa Geo Solutions, the TeMa business unit dedicated to environmental intervention works. These are aimed at protecting land and offering the opportunity to operate using eco-compatible solutions and products that integrate into the environment without compromising its appearance or safety.

 

Sustainable development according to TeMa

Nestled at the foot of the hills declared a UNESCO World Heritage Site, the TeMa headquarters could not help but consistently correspond to this desire for sustainability, widespread in this area for some years now. But how has it contributed? By using raw materials responsibly, with 100% natural solutions and intervention procedures with low environmental impact.

 

Natural products

 

 

As a concrete example, TeMa addresses the problem of surface erosion of the soil by meteoric rain with Ecovernet® in natural fibres such as jute or Ecovermat® in natural fibres such as straw and coconut – or in biodegradable cellulose fibre. Installing products in this range allows intervention works to be carried out immediately, even in situations with difficult access for on-site vehicles. For such types of intervention works, total integration with the soil is achieved, guaranteeing lasting results over time.

 

Green intervention works

 

 

An interesting new development introduced by our technicians is the use of lightweight materials that feature reduced encumbrance, which not only affects the cost of the work but also speeds up the time required on-site. When building drainage systems, for example, TeMa does not rely on that range of inert materials from quarries that need to be extracted and transported. The company uses drainage geocomposites instead, such as Q-Drain, thus avoiding any waste of energy and CO₂ emissions into the air, thus ensuring quick installation.

 

These are just a few examples to show the potential that the field of environmental engineering has to offer:

  • Reduction in costs while maintaining the effectiveness of intervention works
  • Sustainability of the actions taken
  • Protection and safeguarding of the soil
  • Promotion of natural raw materials

 

To fully understand our philosophy, browse through the new catalogue dedicated to the protection of vineyards, which are the natural and cultural heritage of our lands and an identifying feature of our history. Inside it, you will find products and solutions for responsible and eco-compatible actions.

drainage geocomposites and membraneshydrogeological protectionprotecting landRimuovi il termine: eco-compatible solutions eco-compatible solutionssustainability
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  • Published in Drainage geocomposites and membranes, Erosion mats, GEO, Research and development
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