Investigation of the Dynamic Stiffness of Poroelastic and Asphalt Concrete Layers under In Situ and Laboratory Conditions
Compounds with lower dynamic stiffness are a better solution from the tyre/road noise point of view. The article presents the constructed test stand for the evaluation of dynamic stiffness both in in situ and in laboratory conditions. As a result of the tests, it was found that poroelastic pavements...
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| Veröffentlicht in: | Materials 2022-02, Vol.15 (5), p.1821 |
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| creator | Czech, Krzysztof Robert Gardziejczyk, Wladyslaw |
| description | Compounds with lower dynamic stiffness are a better solution from the tyre/road noise point of view. The article presents the constructed test stand for the evaluation of dynamic stiffness both in in situ and in laboratory conditions. As a result of the tests, it was found that poroelastic pavements have a much lower dynamic stiffness (from 138.3 to 143.0 dB re. 1 N/m) compared to the asphalt concrete pavement (150.3 dB re. 1 N/m). In the group of poroelastic pavements, lower dynamic stiffness is characteristic for pavements with a binder course of porous asphalt. The results of the research are a contribution to further work on the influence of the dynamic stiffness of the pavements on the tyre/road noise level. The conducted measurements and analysis of the results prove the usefulness of the proposed test stand for determining the dynamic stiffness of bituminous mixtures in laboratory and field conditions. This is confirmed by the coherence between the force and acceleration signals at the level of at least 0.96-which indicates a very good validation of the test results with a random error lower than ±5% with 90% confidence level. |
| doi_str_mv | 10.3390/ma15051821 |
| format | Article |
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The article presents the constructed test stand for the evaluation of dynamic stiffness both in in situ and in laboratory conditions. As a result of the tests, it was found that poroelastic pavements have a much lower dynamic stiffness (from 138.3 to 143.0 dB re. 1 N/m) compared to the asphalt concrete pavement (150.3 dB re. 1 N/m). In the group of poroelastic pavements, lower dynamic stiffness is characteristic for pavements with a binder course of porous asphalt. The results of the research are a contribution to further work on the influence of the dynamic stiffness of the pavements on the tyre/road noise level. The conducted measurements and analysis of the results prove the usefulness of the proposed test stand for determining the dynamic stiffness of bituminous mixtures in laboratory and field conditions. This is confirmed by the coherence between the force and acceleration signals at the level of at least 0.96-which indicates a very good validation of the test results with a random error lower than ±5% with 90% confidence level.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma15051821</identifier><identifier>PMID: 35269051</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Asphalt mixes ; Asphalt pavements ; Concrete ; Concrete pavements ; Confidence intervals ; Grain size ; Laboratories ; Load ; Noise ; Noise levels ; Poroelasticity ; Random errors ; Roads & highways ; Rubber ; Stiffness ; Tension tests ; Test stands</subject><ispartof>Materials, 2022-02, Vol.15 (5), p.1821</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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The article presents the constructed test stand for the evaluation of dynamic stiffness both in in situ and in laboratory conditions. As a result of the tests, it was found that poroelastic pavements have a much lower dynamic stiffness (from 138.3 to 143.0 dB re. 1 N/m) compared to the asphalt concrete pavement (150.3 dB re. 1 N/m). In the group of poroelastic pavements, lower dynamic stiffness is characteristic for pavements with a binder course of porous asphalt. The results of the research are a contribution to further work on the influence of the dynamic stiffness of the pavements on the tyre/road noise level. The conducted measurements and analysis of the results prove the usefulness of the proposed test stand for determining the dynamic stiffness of bituminous mixtures in laboratory and field conditions. This is confirmed by the coherence between the force and acceleration signals at the level of at least 0.96-which indicates a very good validation of the test results with a random error lower than ±5% with 90% confidence level.</description><subject>Asphalt mixes</subject><subject>Asphalt pavements</subject><subject>Concrete</subject><subject>Concrete pavements</subject><subject>Confidence intervals</subject><subject>Grain size</subject><subject>Laboratories</subject><subject>Load</subject><subject>Noise</subject><subject>Noise levels</subject><subject>Poroelasticity</subject><subject>Random errors</subject><subject>Roads & highways</subject><subject>Rubber</subject><subject>Stiffness</subject><subject>Tension tests</subject><subject>Test stands</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkV1rFTEQhoMottTe-AMk4I0IR5PNbrK5EcqpHwcOKFSvw-xmtidlNzkm2cL-e7O21upAmJB58mYyLyEvOXsnhGbvJ-ANa3hb8SfklGstN1zX9dNH-xNyntINKyFE4fRzciKaSupy65QsO3-LKbtryC54GgaaD0gvFw-T6-lVdsPgMaW18C3EgCMUuKfgLb1IxwOMmW6D7yNmpHtYMCY6e4uR7jy9cnn-Te6hCxFyiMsKW7c-lV6QZwOMCc_v8xn58enj9-2Xzf7r5932Yr_paybzxirVsE4K3UnW6R6rRg7aqq5GkLLGuizLlGRgFXBbDnrGoQWoGbMKtRRn5MOd7nHuJrQ9-hxhNMfoJoiLCeDMvxXvDuY63JpWc650WwTe3AvE8HMuwzKTSz2OI3gMczKVFK0qg5VVQV__h96EOfryvZVSStdaqEK9vaP6GFKKODw0w5lZTTV_TS3wq8ftP6B_LBS_AI3ZnjY</recordid><startdate>20220228</startdate><enddate>20220228</enddate><creator>Czech, Krzysztof Robert</creator><creator>Gardziejczyk, Wladyslaw</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-9130-3773</orcidid><orcidid>https://orcid.org/0000-0001-9828-4774</orcidid></search><sort><creationdate>20220228</creationdate><title>Investigation of the Dynamic Stiffness of Poroelastic and Asphalt Concrete Layers under In Situ and Laboratory Conditions</title><author>Czech, Krzysztof Robert ; 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| subjects | Asphalt mixes Asphalt pavements Concrete Concrete pavements Confidence intervals Grain size Laboratories Load Noise Noise levels Poroelasticity Random errors Roads & highways Rubber Stiffness Tension tests Test stands |
| title | Investigation of the Dynamic Stiffness of Poroelastic and Asphalt Concrete Layers under In Situ and Laboratory Conditions |
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