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  • 标题:COMPARISON OF CROATIAN AND EUROPEAN STANDARDS FOR DETERMINING THE FROST SUSCEPTIBILITY OF HYDRAULICALLY BOUND MIXTURES
  • 其他标题:USPOREDBA REZULTATA ISPITIVANJA OTPORNOSTI NA SMRZAVANJE HIDRAULIČNIM VEZIVOM VEZANIH MJEŠAVINA PREMA HRVATSKOJ I EUROPSKOJ NORMI
  • 本地全文:下载
  • 作者:Elena Ovad ; Elena Ovad ; Ivana Barišić
  • 期刊名称:e-GFOS
  • 电子版ISSN:1847-8948
  • 出版年度:2014
  • 卷号:9
  • 页码:41-48
  • DOI:10.13167/2014.9.5
  • 语种:English
  • 出版社:Faculty of Civil Engineering Osijek
  • 摘要:The base layer of a multi-layered pavement structure is often a cement-bound material, which combines an aggregate with cement binder. This load-bearing layer is quite rigid, which improves pavement properties, including frost resistance, and extends the life cycle of the pavement. In geographic areas with low temperatures and significant ground water, the bearing capacity of pavement structures can be reduced by volume deformations from freezing and thawing. Cold winters and frost-susceptible soil are present in eastern Croatia and in the city of Osijek. Thus, in this paper we examine the frost susceptibility of cement-bound aggregates, made with materials commonly used in Croatia, in accordance with the current Croatian standard HRN U.B1.050 and a new European standard EN 13286-54. The test mixtures did not meet the conditions for frost-resistant materials. To meet these conditions, one must use a higher cement ratio or a cement with a higher strength class.
  • 其他摘要:Cementom stabilizirani materijal je nosivi sloj višeslojne kolničke konstrukcije, koji je kombinacija agregata s cementom kao vezivom. Ovaj nosivi sloj ima znatnu čvrstoću, poboljšava određena svojstva kolnika kao što su osjetljivost na smrzavanje te prod
  • 关键词:freeze-thaw resistance;cement-bound aggregate;pavement structure;standards
  • 其他关键词:otpornost na smrzavanje-odmrzavanje;cementom stabilizirani agregat;kolnička konstrukcija;norme
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