Report details
Bibliographic Data
Title:
Brugen af permafrostfundering i Grønland
Authors:
Year:
2014
Report no.:
14-05
Topics:
Geoteknik,
Infrastruktur
Keywords:
PDF file:
Supervisors:
Abstract:
This thesis concerns foundations in permafrost in Greenland. The aim is to examine the bond to permafrost foundations in Greenland, and if it’s based on facts or if it’s a dogma. The project is developed from a historical aspect to clarify the relationship to permafrost foundatio....
This thesis concerns foundations in permafrost in Greenland. The aim is to examine the bond to permafrost foundations in Greenland, and if it’s based on facts or if it’s a dogma. The project is developed from a historical aspect to clarify the relationship to permafrost foundations in the past and its influence on the relationship to permafrost foundation today. Furthermore, this thesis will determine whether permafrost foundations are relevant compared to other options.
Many engineers in Greenland have reasonable knowledge of permafrost foundations. However, the population’s knowledge of permafrost is extremely limited. Many believe that there is permafrost in case of damage of any kind even though it is derived from the winter frost.
The construction of roads will not always be able to avoid having to pass through areas of permafrost in the Northern cities, and newer methods for building roads would be beneficial.
The development of laws, standards and guidelines within the permafrost area in Greenland does not live up to the standard of modern society. Today’s laws do not help the engineers in performing better, and many engineers choose not take on projects concerning permafrost. This is due to of the lack of legislation which means that any errors will fall back to the engineer, as there are no standards for how the foundation should be built.
It is debatable what methods can be used for permafrost foundations in Greenland. However, permafrost foundations will only be relevant in colder areas with continuous permafrost such as Qaanaaq, Thule and Kangerlussuaq and areas close to the ice cap in the case of a future mining industry. Permafrost foundations in towns and settlements placed in areas without continuous permafrost are too risky. Temperatures are increasing and may continue to do so in the future.
It would be advantageous for urban life to be able to expand the cities without having to take areas with permafrost into account. However, at this time even foundations using correct methods do not guarantee the lifetime of the building, partly because the permafrost is already in the process of withdrawal, and partly because further temperature increases is to be expected with a certain probability.
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