Elastocoast Brochure-for PDF FA3 - BASF
[Pages:19]Elastocoast?
Making our coasts and rivers safer.
Elastocoast?
Challenges
As a result of global warming, experts predict that the sea level may rise by up to 100 centimeters in the coming years. Coastal communities are at risk from rising sea levels, surging waves and flooding caused by climate change. When the existing seawalls, breakwaters and revetments can no longer withstand the challenge of nature, the consequences will be catastrophic.
02
Elastocoast?, Making Our Coasts and Rivers Safer
04
Properties of Elastocoast?
05
Application and Construction Procedure
Contents
06 14
Reference Projects
? Coastal Protection Global Hallig Gr?de, Germany Bathpolder, Netherlands Asia Jindo, Korea GwanMae island, Korea Pattaya, Thailand Pranburi, Thailand
Proven Technology and Track Record
? Riverbed and Weirs Daecheong-river, Kimhae, Korea Gwangnyeo-river, Changwon, Korea Dachi River, Shanghai
Elastocoast?. Making our coasts and rivers safer.
Elastocoast? is an intelligent polyurethane system with an open-pored structure that drains breaking waves of their destructive energy. While protecting the coasts and slowing the rate of soil erosion, the structure also provides favorable conditions for restoration of the habitat's flora and fauna.
Thanks to its flexible Installation schedules, light equipment and simplicity of its application with usage of local aggregates, Elastocoast? is less environmentally invasive and expensive to install compared to other protection systems for coastlines.
An ideal revetment solution for coastal areas, river banks, river beds, lakes and even sea dykes, Elastocoast? can also be used for the protection of bridge piers, the lining of irrigation channels or protection from soil erosion in landslide-threatened slopes.
Benefits
? Porous and water-permeable ? Low environmental impact ? Reduces wave run-up and enhances
coast-line safety
? Strong and resistant to weathering ? Restores flora and fauna, protects
neighboring habitats ? Lower cost for construction and
maintenance
Applications
Coastal protection
Riverbed and weirs 02
Effective coastal protection with revetments of polyurethane
The system involves the mechanical bonding of an aggregate (crushed rock or gravel) bonded with an environmentally compatible 2-component polyurethane plastic
Elastocoast? technology ? The porous structure between the stones withstands heavy wave impact. ? The cover layer also offers a habitat for flora and fauna.
COVER LAYER WITH POLYURETHANE
DYKE BODY
Conventional technology ? Rigid concrete structures can be broken down
by wave impact, frost and ground subsidence.
GEOTEXTILE
COMPENSATING LAYER
03
Properties of Elastocoast?
Elastic and porous
? Open porous stable structure as a first line of defence to resist incoming waves, protect dyke by dissipating the impact of the breaking waves and slow down water masses, hence reducing the wave run-up.
? Permeable system is an ideal solution for balancing the water pressure inside/outside dykes.
Ease of application
? Available in liquid form, it can be stirred and mixed with aggregates on site and the finished mixture which is ready for use within 20 minutes can harden underwater. It forms a cover layer of about 15 to 30 cm thick on a dyke.
Economical compared with conventional methods
? Elastocoast? revetments need only 1.8% of binder, that means a binder level of 1/30 of that required for concrete or bitumen revetments.
? Enhanced capability of reducing wave impact results in a thinner protecting layer and more cost-effective design of the whole structure, which leads to lower resources consumption.
Contributes to a more sustainable environment
? Applied PU has no effect on the water quality and natural environment. It contains 50% renewable raw materials, with a natural porous structure that provides a cosy habitat for natural vegetation and marine life. It also integrates well into the landscape.
04
Application and Construction Procedure
The gravel used has to be cleaned and dried before processing. Before the material has completely cured, the surface was covered with dry sand and a skid resistant surface was created
Slope preparation 1
2 Spreading of geotextile
Filter layer preparation 3
Coating gravel with Elastocoast? 5 by tumbling process
Cover layer levelling 7
4 Adding Elastocoast? to gravel
6 Cover layer pouring 8 Completed Elastocoast?
revetment
05
Elastocoast? revetment in Bathpolder, Netherlands 06
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