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POLYMER ROPE GABIONS FOR EROSION CONTROL & COASTAL PROTECTION |
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| Polymer Rope Gabions developed by Garware-Wall ropes ltd. have some unique advantages on other types of gabions. And also can be used for variety of erosion control applications. |
Product description of Polymer Gabions
Gabions are sausages made of Polymer 3 strand ropes. These ropes are appropriately woven by a special process to fabricate the Gabions in various sizes.
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Gabions are generally available in a prefabricated collapsible form with the bottom & four sides held together by appropriate binding and with a flip open top lid. The border & body ropes may be of different sizes ranging from 6mm to 12mm. The sizes are selected depending upon the severity of the problem & the method of installation to be adopted. |
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Advantages of Polymer Gabions
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Resistance to acidic & alkaline environments. Immune to rot, mildew, |
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Flexile and can easily take the contours of the ground. |
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No rusting hence long lasting in marine or river saline environment |
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No effect of water; non-biodegradable, dose not affect the marine environment and organisms |
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High tensile strength, high abrasion resistance, high thermal stability. |
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Resistance to U.V. degradation. |
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Very convenient for handling and placing |
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Can be filled in situ or filled and placed in position using cranes. Suitable for underwater construction. |
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Sea wall constructed for
erosion control |
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These Polymer Rope Gabions are used in variety of application areas in Coastal Engineering, these are explained as below:
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| Retaining Walls |
Polymer Rope Gabion walls can be built with speed and economy and are particularly suitable for landslide control in mountainous. In ground liable to subside, the capacity of Polymer Ropes gabions to deform makes them preferable to a concrete wall that would crack and collapse.
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| Energy Dissipaters |
The pervious structure of Polymer Rope Gabions gives two advantages over impervious structures. First, when pounded by heavy masses of water, the impact, instead of being taken instantaneously, is gradually absorbed. Again, flexibility offers distinct advantages in coastal defenses. Huge sea walls can be constructed with high speed using these polymer Ropes gabions.
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| Sea Wall And Revetments |
Polymer Ropes Gabions walls are constructed to protect the seacoast or the River Coast against the erosion due to water and waves. Polymer Rope Gabions will withstand alternative tension and compression without losing structural passage of water throughout the structure. Also they are found to be more advantageous than other gabions in marine and river environment as they are inert to alkaline and acidic attack. They are mush reliable and long lasting than marine structures constructed using the dumping of stones.
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| Flexible Aprons |
Designed to protect super-structures against the undermining action of river or sea water, Polymer Rope Gabion aprons will closely follow the changing contours of the bed as scouring progresses, until eventually the erosion is completely sealed off.
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| A Polymer Rope Gabion Dike or Wall |
These structures are built to protect a particular area from erosion as well as to silt up the previously eroded areas. The dykes are also used for the protecting the harbors against the Built across the front of an eroded area will collect silt left behind by floodwaters. The silt gradually builds up until the required reclamation is met without any financial outlay.
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| Weirs |
Polymer Rope Gabion weirs, check dams are constructed across water courses as grade control structures, sediment collectors, as well as to form water reservoirs. Polymer Rope Gabion weirs are normally provided with a Gabion scour protection apron both on their downstream side and at the upstream approach zone
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| Soil Conservation |
Polymer Rope Gabion are applied here as (a) terracing on steep slopes to retain the top soil, (b) linings for the beds and sides of water courses, (c) check dams for grade reducing weirs in steeply sloping gullies or valleys. |
Generally angular stones are preferred for dissipation of current and wave energy in hydraulic applications. However, based on wave surge & water depth, the stone sizes may become too large for convenient handling. This needs use of mechanical equipments for transportation & placement. Generally, the areas subject to distress are far flung from main roads and may not have good service roads for the movement of mechanical equipments. This means use of small stones. Polymer Rope Gabions offer the ideal solution of holding small boulders together & in effect giving the advantages of use of large boulders. Thus a cost-intensive transportation can be avoided and large boulder resources can be saved. |
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Certification
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