Sökning: "road network"

Visar resultat 1 - 5 av 167 avhandlingar innehållade orden road network.

1. 1. Road network and GPS tracking with data processing and quality assessment

   Författare :Xiaoyun Zhao; Johan Håkansson; Kenneth Carling; Bin Jiang; Högskolan Dalarna; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; GPS tracking; Reliability; Road network; visualized map; road network; Map-matching; P-median Model; Network density; Complex Systems – Microdata Analysis; Komplexa system - mikrodataanalys;

   Sammanfattning : GPS technology has been embedded into portable, low-cost electronic devices nowadays to track the movements of mobile objects. This implication has greatly impacted the transportation field by creating a novel and rich source of traffic data on the road network. LÄS MER

3. 2. Efficient Winter Road Maintenance : A Study of Technical and Contractual Issues

   Författare :Adel Abdi; Hans Lind; Björn Birgisson; Lars Silver; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; climate; road climate and weather; road surface roughness; road friction; winter tyre; winter maintenance tools; RWIS; weather station; winter maintenance; contract type; road maintenance contract; winter maintenance contract; partnering; strategic alliance; public procurement; tender; incentives; bundling services; payment mechanism; remuneration models; Civil and Architectural Engineering; Byggvetenskap;

   Sammanfattning : Since ancient times, roads have tied people and cultures together. Roads have been createdwith the aim of facilitating trade and cultural exchange among different regions in the world. LÄS MER

4. 3. Large-Scale Road Network Vulnerability Analysis

   Författare :Erik Jenelius; Lars-Göran Matsson; Michael G. H. Bell; KTH; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; vulnerability; risk reliability; transport; infrastructure; road network; Other social sciences; Övrig samhällsvetenskap;

   Sammanfattning : Disruptions in the transport system can have severe impacts for affected individuals, businesses and the society as a whole. In this research, vulnerability is seen as the risk of unplanned system disruptions, with a focus on large, rare events. LÄS MER

5. 4. Stads- och trafikplaneringens paradigm : en studie av SCAFT 1968, dess förebilder och efterföljare

   Författare :Anders Hagson; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; design; road pattern; traffic environment; urban planning; network; separation; differentiation; principles; road accidents;

   Sammanfattning : Swedish towns have been developed according to the planning guidelines issued by the National Road Administration and the National Board of Urban Planning in 1968; SCAFT 1968 Riktlinjer för stadsplanering med hänsyn till trafiksäkerhet (The SCAFT Guidelines 1968 Principles for urban planning with respect to road safety). The five principles for urban planning suggested are; Locating activities and functions, Separating different classes of traffic, Differentiation within each road network, Clearness, simplicity and uniformity as well as Neighbourhood units. LÄS MER

7. 5. The roads in-between : causeways and polyagentive networks at Ichmul and Yo'okop, Cochuah Region, Mexico

   Författare :Johan Normark; Göteborgs universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; agency; architecture; becoming; Bergson; causeway; Cochuah; culture critique; Deleuze; difference; duration; event horizon; evolution; humanocentrism; Ichmul; ideology; in-between; index; materialtiy; Maya; Mexico; multiplicity; neo-materialism; network; polyagency; polyagent; posthumanism; practice; rhizome; road; sakbe; settlement archaeology; technoscience; temporality; Terminal Classic; virutality; Yo okop;

   Sammanfattning : This dissertation has two aims: (1) To characterize and abandon the humanocentric archaeology that relies upon quasi-objects and to develop the polyagentive archaeology that relies upon actualizations of the virtual. (2) To exemplify the latter approach by studying how causeways (sakbeob) in the Maya area relate to temporality and materialtiy at, and around, the two neighbouring sites of Ichmul and Yo'okop in the Cochuah region of southeast Yucatan and west-central Quintana Roo in Mexico. LÄS MER