MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER
Asphalt mixtures often fail due to poor interaction between mineral aggregate and bituminous binder. Therefore, many efforts are being made on adhesion improvement between the two materials. In this work, paving grade bitumen 50/70 was doped with two types of adhesion promoters. Asphalt mixtures com...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Czech Technical University in Prague
2020-03-01
|
| Series: | Acta Polytechnica CTU Proceedings |
| Subjects: | |
| Online Access: | https://ojs.cvut.cz/ojs/index.php/APP/article/view/6399 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849396744079540224 |
|---|---|
| author | Jan Trejbal Tereza Valentová Václav Nežerka Petr Semerák |
| author_facet | Jan Trejbal Tereza Valentová Václav Nežerka Petr Semerák |
| author_sort | Jan Trejbal |
| collection | DOAJ |
| description | Asphalt mixtures often fail due to poor interaction between mineral aggregate and bituminous binder. Therefore, many efforts are being made on adhesion improvement between the two materials. In this work, paving grade bitumen 50/70 was doped with two types of adhesion promoters. Asphalt mixtures composed of crushed aggregate Brant coated by binder were made and exposed to stripping water. Then, they were subjected to visual and digital image analysis aiming to quantify aggregate residual bitumen-coated areas. Besides, two cylindrical samples of aggregate were bonded together by a thin film of bitumen doped with adhesion promoters. After solidification of binder, force needed for separation of the two parts was measured. It was shown that residual bitumen-coated areas were increased by 20-30% by adding adhesion promoters into binder. Mechanical adhesion of thus modified binder to aggregate was increased by up to twice. |
| format | Article |
| id | doaj-art-d1d28adb345949ed92577ff5f71e75d7 |
| institution | Kabale University |
| issn | 2336-5382 |
| language | English |
| publishDate | 2020-03-01 |
| publisher | Czech Technical University in Prague |
| record_format | Article |
| series | Acta Polytechnica CTU Proceedings |
| spelling | doaj-art-d1d28adb345949ed92577ff5f71e75d72025-08-20T03:39:14ZengCzech Technical University in PragueActa Polytechnica CTU Proceedings2336-53822020-03-0126011211610.14311/APP.2020.26.01125017MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDERJan Trejbal0Tereza Valentová1Václav Nežerka2Petr Semerák3Czech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech RepublicCzech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech RepublicCzech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech RepublicCzech Technical University in Prague, Faculty of Civil Engineering, Department of Mechanics, Thákurova 7, 166 29 Prague 6, Czech RepublicAsphalt mixtures often fail due to poor interaction between mineral aggregate and bituminous binder. Therefore, many efforts are being made on adhesion improvement between the two materials. In this work, paving grade bitumen 50/70 was doped with two types of adhesion promoters. Asphalt mixtures composed of crushed aggregate Brant coated by binder were made and exposed to stripping water. Then, they were subjected to visual and digital image analysis aiming to quantify aggregate residual bitumen-coated areas. Besides, two cylindrical samples of aggregate were bonded together by a thin film of bitumen doped with adhesion promoters. After solidification of binder, force needed for separation of the two parts was measured. It was shown that residual bitumen-coated areas were increased by 20-30% by adding adhesion promoters into binder. Mechanical adhesion of thus modified binder to aggregate was increased by up to twice.https://ojs.cvut.cz/ojs/index.php/APP/article/view/6399bituminous binder, adhesion, adhesion promoters, pull-off tests, image analysis |
| spellingShingle | Jan Trejbal Tereza Valentová Václav Nežerka Petr Semerák MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER Acta Polytechnica CTU Proceedings bituminous binder, adhesion, adhesion promoters, pull-off tests, image analysis |
| title | MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER |
| title_full | MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER |
| title_fullStr | MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER |
| title_full_unstemmed | MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER |
| title_short | MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER |
| title_sort | mechanical and image analysis of adhesion between mineral aggregate and bituminous binder |
| topic | bituminous binder, adhesion, adhesion promoters, pull-off tests, image analysis |
| url | https://ojs.cvut.cz/ojs/index.php/APP/article/view/6399 |
| work_keys_str_mv | AT jantrejbal mechanicalandimageanalysisofadhesionbetweenmineralaggregateandbituminousbinder AT terezavalentova mechanicalandimageanalysisofadhesionbetweenmineralaggregateandbituminousbinder AT vaclavnezerka mechanicalandimageanalysisofadhesionbetweenmineralaggregateandbituminousbinder AT petrsemerak mechanicalandimageanalysisofadhesionbetweenmineralaggregateandbituminousbinder |