Shore strengthening. Do-it-yourself landscape design Strengthening the pond with a geogrid

The geogrid is a special material that belongs to the category of geosynthetics. The product is highly durable and lightweight. At the same time, structures of this type are universal and are used both for strengthening the soil and for other construction works. The main advantages of geogrids are the following properties:

  • they are resistant to temperature changes, moisture;
  • prevent the destruction of the shore near an artificial pond or other reservoir;
  • provide comfortable conditions for plants;
  • repeat when laying the features of the relief;
  • prevent silting of the soil.

It is very important to correctly mount the geogrid frame. This will make it possible to strengthen the shore of the pond in the country house or garden plot, to create an aesthetic water composition. The design will not be subject to negative external factors.

The cost of such reinforcement depends on the type of structure. The geogrid can be three-dimensional or flat. In the first case, the product consists of non-woven tapes made from a special polymer. Their compounds form diamond-shaped cells - they are staggered. The laying of a volumetric geogrid, as a rule, is carried out on the slopes of the pond. The larger the slope of the coast, the higher the cells should be.

A flat geogrid can be uniaxial, biaxial, and also triaxial. In the first case, the grid cells have a rectangular shape. In a biaxial design, they have a square configuration. Triaxial geogrids have hexagonal cells. The main areas of application of such geogrids are:

  • reconstruction, fixation of the roadway;
  • strengthening the slope, the banks of an artificial pond;
  • work in the field of garden and park design;
  • creation of parking on a personal plot.

Usually, the owners of private houses to strengthen the shore of an artificial pond in the country choose the laying of a biaxial geogrid. A triaxial design can also be installed. Prices for such products will be lower. The price of a volumetric and flat design also differs. This must be taken into account when planning future work.

Geogrid laying technology

Geogrid laying on slopes along the coastline is carried out in several stages. This material is available in rolls. Laying involves the creation of a single coating, which consists of modules. They are fixed to each other, creating a solid geogrid.

The area where the installation is supposed to be carried out must be marked. The type and condition of the soil should also be assessed. If the site has groundwater close to the surface, this can increase the cost of the installation. Without creating high-quality drainage, it will not be possible to perform high-quality installation of roll modules.

Before starting the process, it is recommended to create a site plan. All objects that are in the working area are applied to it. They are applied to the plan with the exact dimensions. It is necessary to indicate where the artificial reservoir is located, what communications are nearby. If they interfere with the process of installing the reinforcing frame, you need to develop an action plan for moving them to another location. Pipes and other elements of communications should not pass under the modules.

It is necessary to prepare the necessary tool for tillage, installation of modules and their fixation. Measuring instruments are also required. Without them, the installation of the structure will not work correctly. If the necessary tool is not available, it must be purchased, which will also increase the cost of installing the frame.

You can also think over in advance all the nuances of landscape design on the site after installing the grate. Here it will be possible to sow a lawn, plant ornamental plants. You can also install various objects that will have a significant weight.

How to make a reinforcing frame with your own hands?

When a site plan is created, as well as the necessary calculations are made, you can purchase the required amount of materials. After that, proceed to the installation of the lattice. First you need to prepare the ground. Slopes near the artificial pond must be properly prepared. The top layer of sod is removed from the soil. Remove stones and other foreign objects. They can damage the geogrid material.

You can make the slope more gentle. To do this, cut off an additional layer of soil. Then the surface is rammed (manually or with a special tool).

At the next stage of laying, it is necessary to create a drainage system. This procedure must be done on a site with a close occurrence near the surface of groundwater. This stage increases the cost of the work, which must be taken into account when drawing up an estimate. You will need to purchase special material. This is a non-woven geotextile. It performs the function of an inverse filter. It is spread over the entire surface of the reinforced area. The overlap is 30 cm.

Geogrid laying is carried out on the prepared surface. If a three-dimensional lattice is used, it is stretched. This allows cells to be formed. After laying, the modules are fixed to each other with brackets. This forms a monolithic reinforcement for the soil.

Next, the created structure must be fixed. To do this, get dowels in the form of the letters "T" or "G". These are anchors that are made of plastic or metal. Their length is chosen in accordance with the features of the relief of the site.

At the next stage of laying, the geogrid modules are connected. For this, a pneumatic stapler is used. In the process of laying the geogrid on the slopes, the parallelism of the installation of the modules is checked. Also, the master should pay attention to whether the frame fits snugly to the ground.

After the checks carried out, the backfilling of the geogrid is performed. For this, crushed stone or various soil is used. The cost of laying depends on the type of material that will be used for these purposes. Soil or crushed stone is poured from top to bottom relative to the slope angle. The laying technology assumes that this layer should be higher than the cells of the geogrid.

The surface is levelled. During the laying process, the backfill layer must be well compacted (by hand or with a suitable tool). You can subsequently lay out a decorative stone on the geogrid, plant plants here.

Why should you turn to professionals?

It is better to entrust the procedure of laying the geogrid to professionals. This is due to a number of reasons. Professionals will do the job quickly and efficiently. They will carry out the correct calculation of materials, which will reduce costs. Also, experienced craftsmen will be able to take into account the features of the relief and soil on the site. They will develop a plan of necessary activities that will need to be carried out in specific conditions.

Another reason why you should turn to professionals is that they have the necessary tools. Equipment does not need to be purchased separately. It also reduces the cost of installing modules. Professionals have sufficient experience in carrying out such work. They do not make mistakes that are often made by the owners of the plot when they install the structure themselves.

Some steps are difficult to complete on your own. This is especially true for creating a drainage system, fixing modules, etc. Experienced craftsmen have no problems during the installation process. They will perform the installation in accordance with the accepted methodology. They will give a guarantee on the quality of the installation of the reinforcing structure. This will strengthen the coastline of the artificial reservoir, preserving its beauty and shape for many years.

There will be no reason to fear the soil slipping. Even on the edge of the reservoir, it will be possible to plant beautiful flowers or shrubs, plant a lawn on the coastline. These advantages explain why many owners of private houses and country cottages turn to experienced craftsmen to install a geogrid. High quality, installation speed, as well as an acceptable cost of installing a reinforcing structure are guaranteed - if the work is done by professionals.

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Geogrid laying

Strengthening the shore with a geogrid stands out from all methods for its efficiency. The geogrid is suitable for strengthening gentle slopes and banks not exceeding 45 degrees. We strengthen the shores with a geogrid not only in the city of Moscow, but throughout Russia.

Geogrid modules are conveniently folded like an accordion, and therefore its transportation is not difficult. I would also like to note the ease of installation. The geogrid is a polymer tape fastened together by welded seams. It is used in construction to seal small foundations, slopes and slopes, as well as a geogrid is perfect for strengthening the coastal zone of reservoirs and canals; strengthening the channel of small drains and other methods of bank protection. Another geogrid is used for slopes of increased steepness from soil shedding. The height of the geogrid cells is selected depending on the steepness of the slope. And also it is ideal for landscaping, landscaping lawns and parks.

Instructions for strengthening the shore with a geogrid

And so, the most important stage in strengthening the coast with a geogrid is the preparation of the foundation. Before carrying out bank protection, it is necessary to remove the sod, carefully prepare the base, namely, level it and compact it. An uneven base of the shore will not look harmonious in places of contact with water. After the shore is ready, you can proceed with the installation. Initially, we calculate the width of the line to be strengthened, it must be taken into account that the beginning and end of the geogrid should go into the horizontal plane of the bottom and coast. Next, geotextiles spread, it does not rot, protects from roots and is not covered with mold. Then we mount the geogrid modules, fixing them with special anchors in a checkerboard pattern, after which we backfill the cells. When strengthening the banks of the reservoir, the geogrid is covered with stone, when strengthening the slopes - with soil, followed by sowing the lawn.

The specialists of our company are pleased to offer you services to strengthen the coastline with a geogrid, to optimize your costs.

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The problem of soil shedding along the shore of a pond or lake is faced by many land owners. Someone lives in the immediate vicinity of the reservoir, someone has a dacha there. Even those who are on their own territory are not immune from such a nuisance, if at one time all possible consequences were not taken into account and the necessary measures were not taken even at the construction stage.

To speak "in general" about the strengthening of the coast is not entirely correct. In each case, you need to evaluate a number of points.

  • First, soil characteristics.
  • Secondly, the “features” of the coast are the steepness of the slope, its height.
  • Thirdly, how does the earth crumble - only from the surface or over the entire area of ​​\u200b\u200bthe "cut", including in the "underwater" part?
  • Fourthly, how much time has passed since the artificial reservoir was equipped?
  • Fifthly, the location of the "problem" place. After all, the choice of method of strengthening depends on this. For example, so as not to disturb the general landscape of the site.
  • Sixth, the purpose of this part of the territory. It is one thing if it is a deserted corner, and another if there is a building nearby or, for example, a boat pier. Although ponds of this size for most of our fellow citizens - an exception to the rule.
  • Seventh, climate features (precipitation intensity, temperature changes, etc.).

Therefore, this is not such a simple question. Now it is worth listing the main, most used methods of carrying out measures to strengthen the banks of the reservoir.

piles

This method is used for relatively steep slopes. Products made of metal, reinforced concrete, wood (but only certain species, for example, larch), even plastic are used. In fact, this design resembles a wall of logs, which in the past surrounded ancient cities. But it is unlikely that it will be possible to build such a “tyn” manually, since the piles will have to be hammered.

gabions

In fact, this is one of the extreme ways, when others do not give the desired effect. A "retaining" wall is constructed from special boxes, which protects the soil from slipping. More suitable for large areas and requires the use of technical means.

Anti-erosion mesh

The peculiarity is that it is soft and flexible. In fact, this is a "cobweb" that is superimposed on the ground and falls asleep. The roots of plants fasten it to the soil, and a single protective layer is formed.

As a variety - a coconut mat, which is surrounded by the shores of a reservoir, Reno mattresses.

artificial wall

For its construction, a reinforcing mesh (or grate) is used, which is placed along the coast and filled with stone (rubble, tumbled or other). It resembles a kind of formwork, one of the sides of which is the shore of a reservoir.

planting vegetation

This method is quite effective, but requires special knowledge. It is necessary to choose not only moisture-loving plants suitable for a given soil (composition, acidity, etc.), but also with a root system that branches well and, therefore, will reliably “fasten” the soil in a certain “territory”.

Geogrid

A fairly simple technology in which a kind of "reinforcement" of the surface is made. From above, backfilling is often made of crumbs of hard materials (for example, marble) or small pebbles. But this method is applicable for a relatively gentle slope.

It is worth dwelling on this technique in more detail, since it is most widely used in individual areas. It is quite easy to process a “problem” territory using this technique, and all the work can be done independently, without paying for the services of specialists and hiring equipment.

Method of strengthening the shore with a geogrid

  1. Work begins with the removal of the topsoil. It is necessary to prepare a "platform" for laying the material. Accordingly, all irregularities protruding from the soil of the rhizome must be eliminated.
  2. The geogrid has the shape of a rectangle. After it is spread on the ground, it must be fixed. For this, special "anchors" are used - along the perimeter and
  3. inside (it is more convenient to arrange fasteners in a checkerboard pattern). By the way, they are included.
  4. Adjacent canvases are fastened to each other with brackets () and, additionally, at the junction - anchors.
  5. Filling cells. This item depends on the imagination of the owner. Naturally, it is necessary to take into account the overall design of the site. As options - pebbles (possible with coarse sand), concrete mortar (frost-resistant grade), natural or artificial stones. The point is to strengthen the created "flooring" from above. Practice shows that it is more expedient to cover the grate with earth and plant the seeds of plants. Their roots will additionally fix the soil.

The advantage of this method lies not only in the simplicity of the technology. Installation of a geogrid will not change the appearance of the site and will not require large material costs. For example, a product with cells measuring 16 x 16 cm will cost 92 rubles / m2. Although there are cheaper options - 50, 75 rubles each.

There are other equally effective methods. Fortunately, our people do not suffer from a lack of original ideas. For example, strengthening the cross-country slopes with stones and decorating them to look like a natural landscape. PVC dowels are also used. Therefore, you need to focus on local conditions and your capabilities.

When choosing a method for strengthening the coast or slope, it is necessary to take into account the expediency of using certain materials, their service life in the local climate. For example, if the coast is low, but the coastline is long, then there is no point in installing piles, even if it seems original and spectacular to someone. In addition, quite often the desired result can be achieved by combining individual methods, since the destruction can be “pointy”, moreover, “diverse”.

May 5, 2015

A cottage or cottage in the coastal zone is the dream of most residents of urban high-rise buildings. But the prospect of having your own reservoir on the site seems much more attractive. So attractive that many willingly go to great expense, creating man-made ponds and backwaters.

With all the attractiveness of this idea, even a small pond on the site can turn into big problems. It is extremely important to provide the reservoir with high-quality bank protection, because otherwise the owner of the site will be constantly in danger of sliding slopes into the water.

Bank protection is always understood not as one specific method of protecting the coastline from erosion and erosion, but as a whole complex of similar procedures. Each of these procedures has its own advantages and disadvantages. A variety of materials are used: cement soil, larch, gabions and others. In this article, we would like to touch on the most universal method of bank protection, namely: strengthening slopes with volumetric geogrids and geotextiles.

Geogrid reinforcement has one significant advantage over other methods: this material does not require the use of heavy equipment on the site. In addition, geosynthetics are relatively inexpensive, easily transported, and are practically not inferior in terms of performance to more expensive counterparts in the face of the same sheet piling or soil concrete.

Volumetric geogrids are rolled out directly on top of the slope being strengthened and attached to its surface with metal anchors. In their structure, they resemble hollow tetrahedral honeycombs. Filled with soil or crushed stone, this honeycomb frame forms a very strong reinforced surface that can withstand any longitudinal and lateral loads.

Reinforcement of the shore with a geogrid guarantees long-term protection of both natural and man-made ponds. Due to the flexibility and plasticity of this geosynthetic material, a reliable reinforcement is created that completely repeats the relief of the coastline. This material prevents erosion and washing out of the soil, so that the slope retains its natural vegetation. The coast remains green, and the volumetric geogrids are hidden from view. In the case of gabions or sheet piles, this effect cannot be achieved.

In bank protection using volumetric geogrids, it is very important to choose the right aggregate. Most often, medium-sized crushed stone or soil is used. The latter is good because it can be sown with plant seeds. A developed root system will give the coastal slope additional strength, and landscaping will occur much faster.

Let us consider the simplest and, due to this, the most common technology of bank protection using geogrids. First of all, a needle-punched geotextile is rolled out over the surface of the slope to be strengthened.

A three-dimensional geogrid is laid on top of it, the size of the cells of which is determined by the steepness of the slope. The geogrid is then fixed to the slope with 500 mm rebar anchors. If the pond bank is almost sheer, it is recommended to use 900 mm anchors and a large mesh geogrid. In special cases, when there is an increased risk of slope slipping, they resort to the option of reinforced reinforcement, when the geogrid is laid in two layers. However, such reservoirs are extremely rare. More often there are ponds with gentle slopes, when you can get by with geotextiles alone. As a rule, in such cases, preference is given to hydro-bonded geotextiles with a density of 160-240 g/m2.

When buying geosynthetic materials, you should pay attention not only to their cost, but also to quality indicators. The GeoSM company offers for the coast from the manufacturer in Moscow and the regions. We provide our customers with exceptionally high quality products at affordable prices. Such an offer will be beneficial for both wholesale distributors and end contractors. They will be able to reduce their costs without sacrificing quality, resulting in increased customer satisfaction.

Advantages of geogrid "Geoflax"
+ The use of the grid saves up to 45% on capital investments in construction, triples the overhaul intervals during operation, reduces the amount of building materials by up to 30%, and at the same time guarantees the quality of the road.
+ Our geogrids are coated with a special coating that increases the adhesive properties of the material necessary for quick and, most importantly, reliable contact with the layers of the road surface.

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Functions and benefits of using geogrid for shore

When choosing a geogrid to strengthen the shore, it is worth focusing on biaxial structures made of synthetic materials. The best option are materials made from polypropylene, polyethylene, polyester or from composite raw materials based on them. This option has many advantages - these include:

  • High strength, as well as resistance to any kind of external influences;
  • Immunity to the processes of decay and decomposition;
  • Possibility of constant stay in water without any deterioration of properties;
  • Optimum indicators of elasticity;

Resistance to deformation, the ability to restore the original shape in the absence of loads.
The functions and benefits of using a geogrid for shore allow it to be used to achieve the following results:

  • Increasing the stability of bulk materials such as crushed stone, gravel, rubble, sand or soil;
  • Prevention of mixing between separate layers of coastal protection structures;
  • Creating small retaining walls from soil and other natural materials.

The scope of the geogrid for the coast covers all types of natural water bodies - including lakes, rivers and sea coasts. In addition, with the help of flat synthetic gratings, it is possible to adjust the shape of reservoirs, ponds and other artificial reservoirs. Such material will be useful for strengthening hydraulic structures - dams, bridge supports, breakwaters, and many others. The scope of the geogrid for the coast also covers the construction of the following facilities:

  • channels;
  • Drainage facilities;
  • Sumps;
  • Tailings.
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