Contents
Academic literature on the topic 'Korsningar'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Korsningar.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Dissertations / Theses on the topic "Korsningar"
Lissel, Erik. "Korsningar i kompletta multipartita grafer." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-35367.
Full textJohansen, Jonathan, and Iskander Sauma. "Kontrollsystem för autonoma fordon i korsningar." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-214715.
Full textWärnhjelm, Michael. "Cykelolyckor i korsningar : Hur kan trafiksäkerheten förbättras?" Thesis, KTH, Trafik och logistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-124000.
Full textLaitila, Johan. "Förbättrat underhåll av fasta korsningar i spårväxlar." Thesis, Luleå tekniska universitet, Drift, underhåll och akustik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-73545.
Full textThe railroad has made it possible for housing and work at various locations, by rail lanes, and the interest in rail freight transport is increasing. To maintain good status on the railroad, a lot of money is needed, while its availability affects many people. This makes it even more important with a robust railway facility, with high availability and good punctuality for both passenger and freight trains. Better planned maintenance enables longer useful life for all components of the railway facility. As part of the plant do railway S&C cause the highest cost in a track superstructure, with crossings as the most frequent component changes. Today, the useful life of fixed manganese crossings is too low, about 100 MBrt, since the expectancy is between 100 -500 MBrt. This is the basis for the work, where the purpose is to investigate how the preventive maintenance of fixed crossings in S&C can be better planned, performed and followed up to extend its useful life. Furthermore, the aim of the thesis work is to determine, through a current situation analysis, which includes current experiences, proposals for improved working methods and tomorrow's information gathering, which information will be required to better plan maintenance, and to determine which maintenance measures are necessary for the preventive maintenance of fixed crossings in S&C. Based on this, a maintenance plan with associated LCC is designed for fixed crossings in S&C. Furthermore, all maintenance measures in the maintenance plan must be planned at least 3 months in advance, and it is desirable that the maintenance plan should extend 36 months ahead. Initially, a zero-position analysis is performed, and work continues with suggestions for improved working methods. Both in terms of how and when maintenance is carried out on fixed crossings today outside in the railway facility. Finally, a maintenance plan is presented with intervals and the resources required for the maintenance actions to be performed. These actions include change of crossing, grinding in, grinding, welding, track direction/padding, shimming guardrail, changing of corkrubber and ballast cleaning. Compliance with the maintenance plan is a life cycle cost calculation, LCC, comparing work according to zero-position and work according to maintenance plan. The results from the work show that all entrepreneurs believe that lack of time in the track is a strong contributing factor to changing fixed crossings. This, along with proper preventive maintenance measures such as grinding in and preventive grinding to maintain profile, as well as verify track position and action when needed are not done. In addition, the contractor does not perform any follow-up on performed maintenance work, maintenance decisions are based largely on safety and maintenance inspections. This means that they work most correctively, with the action of inspection note. However, for exchange audit and systematic gear maintenance, experience, good local knowledge and good knowledge of the plant is the most important source of information for the entrepreneur today. The infrastructure owner also performs a certain delivery follow-up, but not sufficiently to ensure that they get what is ordered. Registration of all preventive maintenance measures should improve and simplify the infrastructure owner's follow-up. In addition, to enable more strategic maintenance planning, condition-based maintenance methods are required, with a view to gaining a better perception of degradation of the profile of a fixed manganese crossing. In addition, automatic machine measurements are required, which makes measurements reproducible and measurement data can be trend. Finally, the inadequate reporting of preventive maintenance measures in combination with the contractor's secrecy of exact maintenance costs, results in the maintenance cost for crossings not being reported at an aggregated and individual level.
Åkerström, Erika. "Korsningen Industrigatan-Östgötagatan i Linköping : analys och åtgärder." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2480.
Full textTrafiksystemet i Linköpings tätort bygger på två ringar, Y-ringen (yttre) och C- ringen (centrum), vilkas syfte är att avlasta stadens olika centrala delar. Den signalreglerade korsningen Industrigatan-Östgötagatan är en del av den så kallade Y-ringen och under vissa tider på dygnet finns det risk för köbildning. Antalet inkommande fordon i korsningen uppgick år 1999 till ca 28 000 per dygn och idag uppgår antalet till någonstansmellan 30 400-32 400 fordon/dygn.
Kommunen har planer på att på att etablera ett bostadsområde i Övre Vasastaden, vilket kan komma att påverka trafikmängderna i den studerade korsningen. En garanterad orsak till ökade trafikmängder är det faktum att Linköping ständigt ökar i invånarantal, med ökad folkmängd ökar även trafiken. Storleken på trafikökningen finns prognostiserad i olika trafikprognoser och dessa visar att när staden har 150 000 respektive 180 000 invånare kommer det inkommande flödet i aktuell korsning uppgå till ca 35 000 respektive ca 40 000 fordon/dygn. Framtida kö- och framkomlighetsproblem är därmed en realitet.
Med stöd av effektberäkningsprogrammet Capcal presenteras tre olika förslag på åtgärder där framkomlighetsproblemen undviks. Alternativ 1 innebär modifiering av trafiksignalerna och en förbjuden vänstersväng, alternativ 2 är en rund cirkulationsplats och alternativ 3 motsvaras av en oval cirkulationsplats. I de två sistnämnda alternativen föreslås även fyra alternativa lösningar för gång- och cykeltrafik.
En jämförelse mellan de olika alternativen visar att de ”bästa” effektmåtten erhålls vid alternativ 3 även om resultaten i alternativ 2 nästan är lika ”bra”. Däremot om kommunens prognoser skulle slå fel med 10 %, dvs om trafiken skulle öka med 10 % mer än beräknat, skulle endast alternativ 1 visa på godkända värden. Resonemanget kring rekommendationer av alternativ har delvis gjorts utifrån de framräknade effektmåtten men även med tanke på trafiksäkerheten för både de oskyddade trafikanterna och fordonstrafikanterna.
Helleberg, Tomas. "Effekter av att prioritera cyklande i korsningar : Cykelöverfarten som medel att nå politiska mål om jämställdhet, trafiksäkerhet och hållbara transporter." Thesis, Luleå tekniska universitet, Arkitektur och vatten, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-77880.
Full textTo study effects of prioritizing cyclists in non-signalized road crossings, a cross discipline literature study about attractive bicycle infrastructure and traffic saftey for cyclists has been conducted, along with four observational before and after studies when prioritized bicycle crossings are built in Umeå, Sweden, the Swedish ‘Cykelöverfart’ was introduced in 2014, with demands on speed reduction and signage, where car drivers needs to yield to cyclist just like they are to yield to pedestrians at zebra crossings in Sweden since 1999. In this study the cyclist’s genders, yielding behavior, direction and speed been noted, along with motor traffic yielding behavior, in a total of 4700 vehicle movements have been noted and more than 800 bicycle – car interactions have been reviewed. The main result is that there is a big difference in male and female yielding behavior on bicycle in interaction with cars at a unprioritized road crossing, where cycling women yield more than men, but also that this difference between men and women decrease when a cykelöverfart is built. Less than half the car – bicycle interaction at unprioritized road crossings where bicyclist should yield are done in accordance with traffic rules. The potential to increase car drivers yielding to bicyclists with a cykelöverfart depends the crossing and the yielding behavior before since it varies a lot. A well built cykelöverfart has the potential to reach correct 90% yielding behavior. Half the bicyclists injured in car crashes in Sweden are injured in road crossings and women are worse off than men. The bicycle speed of up to 25 km/h and the often too high speed of motor traffic makes it hard for road users to be able to see and yield in time, this is why the mandatory warning signs and speed bump for the motor traffic, and free sight lines are important for a predictable and safe traffic environment with less hard breaking. The traffic study shows that most bicyclist increase their crossing speed with about 2 km/h, but also that the speed of cyclists varies a lot. Previous studies have shown that the risk of accident does not increase when a cykelöverfart is built, and in the literature study this is confirmed on a theoretical level. The cykelöverfart has good potential with the right configuration to create safe places with high traffic safety, where cyclists do not need to be brave to ride. The feeling of saftey is an important factor in bicycle planning since up to half the population limit their cycling because of fear rather than not wanting or being unable to cycle. Since women in studies feel more unsafe than men in traffic, efforts to increase the feeling of saftey, like the cykelöverfart, could be viewed as gender equal traffic planning, or if you want to, feminist traffic planning. Good bicycle infrastructure allows for quick, safe and pleasant trips rather than having to motivate cycling with health or environmental reasons. High grade bicycle infrastructure is characterized by flow on wide smooth roads with few obstacles, well separated from pedestrians on cars, which also protects pedestrians. Wide smooth paths are also easier for operation and maintenance where a more complex configuration complicates for example enough clearing of snow. The cykelöverfart speed bumps makes the cycle track smoother and increase water run-off even when not in interaction with traffic. Pedestrians and cyclists should be separated for both sake, but conflicts can be generated in unclear situations, where combined walking and cycling tracks leads to segregated walking and biking crossings. Alternative configurations should be considered where either the walking and cycling path is also segregated, or that the need for a zebra crossing in low traffic environment are necessary, which in place can be only a cykelöverfart that is made to work for the sight impaired too. For an increased bicycle traffic, bicycle infrastructure is some what of a hygiene factor, if you want to reach higher level of cycling the need to consider the entire trip rises, as well as parking, dressing rooms and economic incentives, and also that car traffic is slowed, have less roads and less or more expensive parking opportunities. The number of bicycle – car interactions are dependent on the flow of traffic in both directions and will be concentrated to a few places and times in a city, places that can be prioritized in the work of bicycle planning, at the same time as the need to increase traffic safety where fewer interactions occur, along cycling routes and close to schools.
Lundberg, Adina, and Fredrik Gunnarsson. "Faunapassager : How animals cross roads." Thesis, Jönköping University, JTH, Civil Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-1254.
Full textA fauna passage is a way for animals to cross roads separated from the traffic. In Sweden, there are an unknown number of passages with different functions and appearances. These passages would, with the question “Which fauna passages can be found in Sweden, and how well do they work?” as a base, be compiled in a comparable way. This would be done with a number of questions asked to the different regions of Vägverket. The essay was delimited to only include ecoducts, animal bridges, landscape bridges, animal gates, tunnels for small animals, shore passages and fence openings.
Most of Vägverkets regions had poor documentation of their passages and lacked the time to improve it. Most questions could only be answered for the region in general, and not for every passage, which forced us to change our way of account. In the end, most of the questions were answered by every region, even though it had not seemed possible earlier. Almost all regions also accounted for all their pas-sages in tables and with selected pictures to illustrate the passages.
The compiled result showed that there were no ecoducts in the country and the passages directed to otter was clearly dominating. There were only a few passages constructed for larger animals, such as deer and elk, but those existing were better documented and followed up, than the smaller passages. It is likely that a lot of animals use regular road bridges and tunnels, but there is no documentation of this.
The smaller passages are often planned in a simplified way, sometimes only through discussion in field. This often gave a fully sufficient and functional result, but there are examples of passages which did not function alright due to simplify-ing and inadequate planning.
The passages varied in shape in the different regions, which all seemed to prefer certain kinds. It was not clear from the basic data if this depended on climate dif-ferences between the regions, or if it simply was a question of taste.
Lowden, Linnea. "I slutet av korsningen - Stadsomvandling Danvikstull." Thesis, KTH, Arkitektur, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280578.
Full textA common way of developing cities today is through building closed or half-open blocks. The advantage is that it gives way to a high density and active streets, since all the backs turns to the courtyard. Developers often mention the historic city center as a role model, and sometimes add its varied architecture as a quality that should be noticed. The question is wether or not there are other values in this century old typology and, if there are qualities as found in the millennial courtyard typology, where the space behind the front sides become a half private core, rather than an emptiness. The project is situated in an area which can be considered as the end of a city's historic center, as well as i the crossing of block variations from different eras. The proposal consists of three new residential blocks and one gallery, designed after the courtyard's utilization and the historical buildings on the site.
Sebbe, Anna, and Martina Johansson. "Korsning väg 23/897 : En uppföljning." Thesis, Linnaeus University, School of Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-5848.
Full text
Nollvisionen talar om en framtid där inga människor dör eller skadas allvarligt i trafiken och utgör idag grunden för allt trafiksäkerhetsarbete i Sverige. Utifrån Nollvisionen inleddes i april 2009 ombyggnationen av väg 23 mellan Sandsbro och Drättinge.
Rapporten utvärderar och följer upp ombyggnationen av korsningen väg 23/897 som är belägen på sträckan mellan Sandbro och Drättinge. Utredningen genomfördes i form av intervjuer och observationer. Totalt intervjuades 24 personer som trafikerar korsningen i olika hög utsträckning och med olika typer av fordon. Utöver detta gjordes även observationer på plats för att få en bild av hur korsningen fungerar med avseende på trafikflöde, hastigheter och placering av fordon på vägen.
Resultatet av intervjuer och observationer visar att korsningen uppfyller sitt syfte med att sänka hastigheten utan störningar i trafikflödet. Nästintill samtliga av de personer som intervjuades i undersökningen upplever att korsningen är mycket säkrare idag än tidigare, vilket gör att projektet måste ses som lyckat även om vissa förbättringar går att genomföra. I diskussionen jämförs resultatet från utvärderingen med teori från Vägar och gatorsutformning, VGU.
Svenningsson, Johan. "Förhindra långvariga trafikstopp i spårväxlar med rörlig korsning." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-36256.
Full textBooks on the topic "Korsningar"
trafiksikkerhedsråd, Nordisk, and Nordic Council of Ministers, eds. Äldre bilförares olyckor i korsningar: Detaljanalys av polisens olycksmaterial. Lund: Studentlitteratur, 1990.
Find full text1950-, Carlsson Ulla, ed. Kommunikationens korsningar: Möten mellan olika traditioner och perspektiv i medieforskningen. Göteborg: Göteborgs universitet, 1994.
Find full text