How To Design A Permanent Geological Exposure In A

degvEFd023

a growing digit of cases suitable sites comprise infrequent geological exposures of mineral bearing rock, or strata of regional magnitude which absence to be kept exposed after landfilling for educational and also constantly for historical reasons.
These SSI's can outcome in conflict between preservation and waste disposal interests.
Where quarries accustomed for waste disposal embody Sites of Special Scientific Interest, it is necessary to maintain safe long term access to the geological exposure.
However,[link widoczny dla zalogowanych], it is possible to minimise the conflict and to provide for these geological SSI's without undue difficulty, as we ambition describe.
The emulating list of attentions is broadly based above research described funded by the Nature Conservancy Council in the early 1990s,[link widoczny dla zalogowanych], and has led to the identification of engineering measures charted to optimise landfill void in quarries whilst defending, in the long term, geological Sites of Special Scientific Interest.
To provide long term, secure, unhindered access to the geological exposure with minimal sterilisation of landfill void space as waste,[link widoczny dla zalogowanych], it is necessary to provide an engineered structure which limits land-take and which maintains a safe and safe perimeter barrier to the waste material.
The presence of a geological exposure in a quarry used as a landfill may have a significant efficacy on the design and action of the landfill particularly with respect to leachate treatment.
Natural drainage ought be invested where possible to prevent the collection of surface water bordering apt the geological exposure. Where this is not possible or the base of the geological exposure is below the water table, pumping may be required apt assist way to the exposure.
It may be necessary to take measures to prevent the manoeuvre of leachate from the landfill site through or under the consume retaining architecture towards the Site of Special Scientific Interest where it may contaminate accumulating surface and groundwater.
Landfill gas is flammable, is gunpowder if kindled in one encircled space, and can likewise establish an asphyxiating air. In Europe gas risk sites (such for landfills) are controlled by the ATEX Directive and national regulations, such as the UK's Dangerous Substances and Explosive Atmospheres Regulations.
Where the landfill perimeter slopes adjacent to the geological exposure are engineered and graded to a outline of fewer than 1:3 access by visitors on foot across mown floor should present no significant problems if always observers wear suitable footwear.
However, whether the upon criteria are met, there namely not cause why a geological SSI and a landfill cannot co-exist without a significant conflict of amuse.

	Forum SIMSON JAWA ROMET (!!) Strona Główna -> motocykle	Wszystkie czasy w strefie EET (Europa)
Strona 1 z 1