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| rdf:type
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| Description
| - Presently in most European countries the quality of cold recycling mixtures is proven by achieving required strength values (indirect tensile strength or compressive strength) and eventually by values of stiffness modulus (IT-CY test method). This empirical approach of quality assessment is quite simple, relatively fast in performance and set in the long term, but on the other hand it has some distinctive weaknesses. Foremost strong dependence of magnitude of received strength values on various factors, whereas one of the most important is the way how test specimens are prepared and compacted. Technical specifications in various European countries specify specimen preparation by using different laboratory equipment, which compact the test specimen by static pressure, dynamic hits or gyratory motion. Parameters of specimen compacting influence the resulting mix voids content as well as the resulting strength and stiffness modulus. Second important parameter is influence of test specimen curing procedure for given conditions. Curing is influenced by used binders (bituminous emulsion, cement, special hydraulic binders, bitumen foam etc.), which have different principles of hardening. Other factors are time and surrounding conditions (temperature, humidity). Presently there are big differences in national specifications in terms of curing conditions. Usually common is the effort to reduce the curing and testing period e.g. by accelerated curing. Objective of this paper is to investigate impact of specimen preparation and curing procedure by applying different conditions on the cold recycled mixes. This should set necessary fundaments for unification of technical specifications. Testing was done on specimens prepared by static compacting machine, impact compactor and gyratory compactor. Testing was executed on specimens where reclaimed asphalt material has been used in cold recycling technique by applying combined binder of cement and bituminous emulsion or foam bitumen.
- Presently in most European countries the quality of cold recycling mixtures is proven by achieving required strength values (indirect tensile strength or compressive strength) and eventually by values of stiffness modulus (IT-CY test method). This empirical approach of quality assessment is quite simple, relatively fast in performance and set in the long term, but on the other hand it has some distinctive weaknesses. Foremost strong dependence of magnitude of received strength values on various factors, whereas one of the most important is the way how test specimens are prepared and compacted. Technical specifications in various European countries specify specimen preparation by using different laboratory equipment, which compact the test specimen by static pressure, dynamic hits or gyratory motion. Parameters of specimen compacting influence the resulting mix voids content as well as the resulting strength and stiffness modulus. Second important parameter is influence of test specimen curing procedure for given conditions. Curing is influenced by used binders (bituminous emulsion, cement, special hydraulic binders, bitumen foam etc.), which have different principles of hardening. Other factors are time and surrounding conditions (temperature, humidity). Presently there are big differences in national specifications in terms of curing conditions. Usually common is the effort to reduce the curing and testing period e.g. by accelerated curing. Objective of this paper is to investigate impact of specimen preparation and curing procedure by applying different conditions on the cold recycled mixes. This should set necessary fundaments for unification of technical specifications. Testing was done on specimens prepared by static compacting machine, impact compactor and gyratory compactor. Testing was executed on specimens where reclaimed asphalt material has been used in cold recycling technique by applying combined binder of cement and bituminous emulsion or foam bitumen. (en)
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| Title
| - Influence of test specimen compaction and curing condition for pavement cold recycled mixtures
- Influence of test specimen compaction and curing condition for pavement cold recycled mixtures (en)
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| skos:prefLabel
| - Influence of test specimen compaction and curing condition for pavement cold recycled mixtures
- Influence of test specimen compaction and curing condition for pavement cold recycled mixtures (en)
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| skos:notation
| - RIV/68407700:21110/14:00220585!RIV15-MSM-21110___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/68407700:21110/14:00220585
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Cold recycling; specimen compaction; specimen curing; static compaction; gyratory compactor; marshall hammer; indirect tensile strength; stiffness modulus (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Suda, Jan
- Valentin, Jan
- Šedina, Jakub
- Valentová, Tereza
- Čížková, Zuzana
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| http://localhost/t...ganizacniJednotka
| |
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