Jeevan Nonwoven
Jeevan Nonwoven Jeevan Nonwoven
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Non Woven Geo Bags


Non Woven Geo Bags
What is a Non Woven Geo Bags?
The Non woven Geo bag is made out of technical fabric that is inhale stitched from three sides and is open from one side. It is designed to be filled with soil and is installed while the construction of marine and hydraulic structures. The geo bag or Nonwoven Geotextile bag is a geo-synthetic product that is made out of polyester, polypropylene or polyethylene and is used for the protection of hydraulic structures and riverbanks from severe erosion and scouring.

Introduction and Description
These geo bags can also be customized in different sizes and forms that suits the requirements of design and installation. The bags can ideally be placed on dry land but can also be installed into water of any depth.

Placed on dump trucks, these geo bags are taken to concrete plant, where these are filled with sand. The filling ports of these bags are closed using hog rings and the bags are lifted using lifting harness and spreader beam arrangement. For the erosion prevention on the coastline, these geo bags are placed on the top of the slope. At the time of storm the sand in these bags scoured and the bags themselves will move down through the slope.

The geo bag activities have minimal effect on the fish resources and in-turn also facilitate fishing activities. The overall methodology involves a systematic and multidisciplinary approach.

Cost Effectiveness of Geo bag:
  • Affordable price with global standard specification.
  • Available Ex-stock or fastest delivery, avoid blockage of money against container load Staggered delivery for sizable quantity acceptable.
  • Import substitute-Savings of hard currency and avoid hurdles of import procedures.
  • In compare to conventional erosion protection work using C.C. Block, gravel, hard rock etc, sand filled geobags technology involves less cost.
  • World widely it has been seen that erosion protection work using Geo bags requires less installation and maintenance cost light weight equipment, less space for construction works, transportation cost, less energy requirement
  • The constructing materials like sand of geo bag are locally available and cost-effective compared to importing boulders from other countries.
  • The manufacturing of geo bags and quality control of the bags are easy compared to the C.C. blocks and boulders.

Technical Efficiency
The geo bag structures are widely chosen because of easy installation and unlike rock fill, these bags will not injure surfers. These bags also not pose any difficulty to other recreational activities and works as substitute for CC Blocks.

The physical modeling study shows that geo bags are better than CC Blocks, but rounded and angular rocks are still better than these geo bags.

There are two types of bags are available :
  • Woven Geo Bags
  • Non-woven Geo Bags
The non-woven bag are new concept and possess those properties that are not in the woven geo bags.

Advantages of Non Woven Geo Bags:
  • Good filtrations as the pore size are small but the permeability is high.
  • Protects the terrestrial habitat.
  • Good abrasive resistance.
  • Fabric stability is more than in woven fabric
  • Higher thickness which ensures good puncture resistance
  • Easily available
  • Implemented easily
  • Easy to transport when empty
  • Available in various sizes to fit specific applications.

Nonwoven Geotextile technical specification code – PPN-400

Mechanical Properties

TESTS TEST STANDARD UNIT VALUES
WEIGHT ASTMD 5261 : (99) 2009 GSM >400
THICKNESS MM 3
TENSILE STRENGTH BS EN ISO: 10319: 2008 KN/m >17
ELONGATION AT MAX. FORCE (MD) BS EN ISO: 10319: 2008 % > 60% & 100%
ELONGATION AT MAX. FORCE (CMD) BS EN ISO: 10319: 2008 % >3300
CBR PUNTURE RESISTANCE BF EN ISO: 12236: 2006 N 34 x 103-
WATER PERMEABILITY EN ISO : 11058 :1999 m/s >85% of original tensile strength before exposure
UV RESISTANCE ASTMD4355 ³ % >95
ABRASIVE RESISTANCE %

In case of non-isotropic material > 12 kN/m for machine direction
Above tolerance will be ± 10 %.
Sewing is done by stitching machine
The number of stitch per inch > 5
The two lines of stitches should be within 5 mm distance with a margin of 2mm from the edge of the Nonwoven Geotextile to the center line between the two seams. The tolerance is 3mm in each direction.
The thread used fro stitching is polyester thread.

Above properties are based on TRV and are true to our present state of knowledge.

Geo Bags Size: 1M. X 0.70 M.

Mechanical Properties

TESTS TEST STANDARD UNIT VALUES
MASS ASTMD 5261 GSM 300
TENSILE STRENGTH ( BOTH DIRECTION) ASTMD 4595 KN/M 9
ELONGATION (BOTH DIRECTION) ASTMD4595 % 50
STATIC PUNCTURE STRENGTH ASTMD 6241 N 1400
AOS (APPARENT OPENING SIZE) ASTMD 4751 micron 100
PERMITTIVITY ASTMD  4491   - 1.25
UV RESISTANCE @ 500 HRS ASTMD 4355 % 70
TREPAZODIAL TEAR STRENGTH ASTMD 4533 N 340
VOLUME OF FILLED BAG - cube 0.07 M
WEIGHT OF FILLED BAG - kg 126

MATERIAL MAKE: Needle punched, staple fiber, high elongation, non-woven pet Nonwoven Geotextile, should resist ultraviolet, rooting and biological degradation, naturally encountered alkalis and acids.

STITCHING: Ring Spun Yarn Stitches With = 2500-3500 Denier (Pet/Pp); Double Line Chain Stitch with Overlap Stitches Along the Edges with Minimum 15 Stitches /100 Mm

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