This report show the use of salt on winter roads, in other words how chemical methods are used to remove snow and ice, as well as methods for friction control. The purpose of the report is to unite the knowledge available concerning the use of salt on winter roads.
The report is made with different target groups in mind. This includes employees at the Norwegian Public Roads Administration such as administrators of maintenance contracts, executive officers, or executives responsible for public relations.
Among contractors this report can be useful for contract managers, supervisors and vehicle operators. The report will also come in hand for municipalities, media and others with interests of the subject. It may also be used as reference when making the syllabus at technical schools.
The report describes the purpose of using salt, and what kinds of mechanisms that are utilized when using salt on winter roads. All possible chemicals are described, though most of the effort is put into describing sodium chloride, which is the most common chemical in use. It has been important to show how the use of salt should be made in terms of methods, equipments and ways of conducting it. A brief description of the use of sand is also included as sand replaces salt under certain conditions. The effects of salt are also shown in the report when you take into consideration traffic safety and how it affects the environment.
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