Search for dissertations about: "image railways"

Showing result 1 - 5 of 10 swedish dissertations containing the words image railways.

2. 1. Laboratory Investigations of Frost Action Mechanisms in Soils

   Author : Deniz Dagli; Jan Laue; Tommy Edeskär; Lukas Arenson; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cold Regions Soil Mechanics; Frost Action; Frost Depth; Frost Heave; Heat Flow in Soils; Ice Lens Formation; Image Analysis; Laboratory Freezing Test; Soil Mechanics; Geoteknik;

   Abstract : Phase change of the water in the soil skeleton under cold climate conditions (also known as frost action in soils) affects soil properties and can be responsible for serious alterations in a soil body; causing damages (due to the volumetric expansion known as frost heave) to structures on or below the ground surface such as foundations, roads, railways, retaining walls and pipelines, etc. In order to improve the current design methods for roads against frost action, the Swedish Transport Administration (Trafikverket) has initiated a research program. READ MORE

4. 2. Towards concurrent planning of railway maintenance and train services

   Author : Tomas Lidén; Jan Lundgren; Martin Joborn; Ann-Brith Strömberg; Linköpings universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Abstract : Efficiency in the public and freight transportation systems is of crucial importance for a society. Railways can offer high capacity and relatively low environmental impact, but require that several technical systems are tuned and operate well. READ MORE

5. 3. One coin - One vote : the rural political power shift that pushed Sweden towards industrialization

   Author : Erik Lindgren; Björn Tyrefors; Per Pettersson-Lidbom; Erik Grönqvist; Stockholms universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Development; Education; Infrastructure Investment; Railroads; Historical data; Political Institutions; Infant mortality and Weather; Growth; Economics; nationalekonomi;

   Abstract : The Causal Effect of Political Power on the Provision of Public Education: Evidence from a Weighted Voting SystemWe estimate how political power affects the provision of public education in local governments, using data from a nondemocratic society where voters received votes in proportion to their taxable income. This was the system used in Swedish local governments during the period 1862–1909. READ MORE

6. 4. Methods for Capacity Allocation in Deregulated Railway Markets

   Author : Abderrahman Ait Ali; Jonas Eliasson; Anders Peterson; Maria Börjesson; Yves Crozet; Linköpings universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; railway capacity; capacity allocation; train timetable; cost benefit analysis; deregulated market; spårkapacitet; kapacitetstilldelning; tågtidtabell; samhällsekonomisk analys; avreglerad marknad;

   Abstract : Faced with increasing challenges, railways around Europe have recently undergone major reforms aiming to improve the efficiency and competitiveness of the railway sector. New market structures such as vertical separation, deregulation and open access can allow for reduced public expenditures, increased market competition, and more efficient railway systems. READ MORE

7. 5. Concurrent planning of railway maintenance windows and train services

   Author : Tomas Lidén; Jan Lundgren; Martin Joborn; Dennis Huisman; Linköpings universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Abstract : Efficiency in public and freight transportation systems is of great importance for a society. Railways can other high capacity and relatively low environmental impact, but require that several technical systems are tuned and operate well. Specifically there is a tight interdependency between infrastructure and trains. READ MORE