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Dimensionering av markstensöverbyggnader för industriytor
CBI - Cement- och betonginstitutet.
2005 (Swedish)Report (Refereed)
Abstract [sv]

Swedish and international experience shows that concrete block pavement is an excellent pavement system for harbours, industrial pavements, and other pavements carrying heavy trucks and stacked containers. Up to now there has been a lack of Swedish design guides and the designer has been referred to international design guides - that regard materials, geology, climate, traffic loads, and construction traditions differently making the guide's adoption to Swedish conditions difficult - or to a solely empirical design. _x000D_ _x000D_ The Swedish Concrete Block Paving Association works continuously to develop design tools for concrete block pavements and the Swedish Cement and Concrete Research Institute has in co-operation with the Swedish Road and Transport Research Institute developed design tables for industrial concrete block pavements on the commission of the Swedish Concrete Block Paving Association. Present report contains twelve design tables for three different axle loads (10, 30, and 90 metric tonnes) and 15 container load cases. Solutions are given for thee pavement alternatives: (i) with untreated roadbase and subbase, (ii) with asphalt-treated roadbase, and (iii) with a subbase composed by crushed recycled concrete. _x000D_ _x000D_ The report contains a survey on the international literature on heavy-duty concrete block pavements. The survey shows that there are international experiences supporting the Swedish design praxis. This implies that strains in the top surface of the subgrade and in bonded roadbases are computed using a multi-layer, elastic half-space model and compared with permitted strains according to design criteria given by the Swedish Road Administration and the Swedish Road and Transport Research Institute. For long-term loads given by the corner castings of the stacked containers, the stiffness values of the various material layers have been reduce to 1/3 of those used for (short-term) traffic loading. A comparison between the internationally most spread guideline - published by British Port Association - shows that the design values given in this report are similar to the British ones. _x000D_ _x000D_ The design tables in present report are based on current Swedish design praxis for concrete block pavements. This praxis shows several similarities with present design methods for asphalt pavements despite major differences concerning material stiffness, temperature dependence, thermal properties, and frequent damage types. The report proposes further R&D on design criteria, safety philosophy, material models, cement treated and cement stabilized layers, field tests, and design methods preventing frost heave.

Place, publisher, year, edition, pages
Cement och Betong Institutet , 2005. , 52 p.
Series
CBI rapport, ISSN 0346-8240 ; 2005:1
Keyword [sv]
markstensbeläggning industriytor dimensionering dimensioneringstabeller
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-3029OAI: oai:DiVA.org:ri-3029DiVA: diva2:960634
Note
196 Går att beställa: kontakta eva.lundgren@cbi.se "Design of industrial concrete block pavements" (300kr)Available from: 2016-09-07 Created: 2016-09-07Bibliographically approved

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v. 2.29.1