Sökning: "highway maintenance"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden highway maintenance.

  1. 1. Improved road design for future maintenance : analysis of road barrier repair costs

    Författare :Hawzheen Karim; Ulf Isacsson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; highway maintenance; highway management; highway design; road planning; road design; highway engineering; road barrier; cable barrier; w-beam barrier; road barrier damages; barrier repair cost.; Building engineering; Byggnadsteknik; Vägprojektering för minskade drift- och underhållskostnader;

    Sammanfattning : The cost of a road construction over its service life is a function of the design, quality of construction, maintenance strategies and maintenance operations. Unfortunately, designers often neglect a very important aspect which is the possibility to perform future maintenance activities. LÄS MER

  3. 2. Technical and contractual aspects in winter highway and railway operation and maintenance : a survey of current technical systems and contract forms in Sweden

    Författare :Adel Hirmand Abdi; Björn Birgisson; Rolf Magnusson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; climatology; macroclimate; microclimate; pavement structure; pavement design; roughness; IRI; friction; friction measurement; friction devices; IFI; road grip; winter tyres; studded and non-studded tyres; winter maintenance; winter operation; road climate; RWISS; MDSS; contract theory; contract; contract types; construction contract; maintenance contract; procurement; payment forms; remuneration forms; partnering; Other civil engineering and architecture; Övrig samhällsbyggnadsteknik och arkitektur;

    Sammanfattning : .... LÄS MER

  4. 3. Promoting Innovation in Transportation Infrastructure Maintenance : Incentives Contracting and Performance Based Specifications

    Författare :Torbjörn Stenbeck; Johan Silfwerbrand; Jan Bröchner; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Building engineering; Byggnadsteknik;

    Sammanfattning : Knowledge of what action that is needed to drive innovation at a desired speed is in demand in civil engineering and its related maintenance. 1. What measures to stimulate innovation have been tested? 2. How much innovation has been achieved by contracting? 3. LÄS MER

  5. 4. Pavement maintenance budget allocation policy analysis and design : the Swedish National Road Administration case

    Författare :Jamal M. Nasir; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; infrastructure system; system thinking; LCCA; system dynamics; road transport system; pavement management system; simulation model; highway management system;

    Sammanfattning : .... LÄS MER

  7. 5. More Roads for the Money

    Författare :Iman Mirzadeh; Björn Birgisson; George Feiger; KTH; []
    Nyckelord :;

    Sammanfattning : In order to keep the quality of the road networks at an acceptable level, large amount of investments for rehabilitation and maintenance activities are necessary in addition to investments in new and reconstructed roads. Therefore, an efficient allocation of road investment funds is of great economic importance. LÄS MER