دورية أكاديمية
Effect of Crack Initiation and Life Prediction of Polyacrylonitrile-Reinforced Gussasphalt Surfacing over Steel Bridge Deck under Fiber Content Variation
| العنوان: | Effect of Crack Initiation and Life Prediction of Polyacrylonitrile-Reinforced Gussasphalt Surfacing over Steel Bridge Deck under Fiber Content Variation |
|---|---|
| المؤلفون: | Xun Qian Xu, Wei Yang, Hong Liang Xiang, Jian Bo Wang, Shang Jing Fu, Xiao Yang |
| المصدر: | Crystals, Vol 10, Iss 3, p 155 (2020) |
| بيانات النشر: | MDPI AG, 2020. |
| سنة النشر: | 2020 |
| المجموعة: | LCC:Crystallography |
| مصطلحات موضوعية: | steel bridge deck surfacing, gussasphalt, fatigue damage, fatigue life evaluation, polyacrylonitrile, Crystallography, QD901-999 |
| الوصف: | The crack initiation and life prediction of fiber-reinforced asphalt concrete (FRAC) surfacing for steel bridge decks under a cyclic vehicle load are analyzed from the perspective of damage mechanics. The damage field and the stress and strain field evolution rule of a composite beam in fatigue test are studied, and a fatigue failure criterion is proposed for steel deck FRAC surfacing. Bending fatigue tests are performed on composite beams composed of a steel deck and polyacrylonitrile (PAN)-fiber-reinforced Gussasphalt (GA), i.e., GA-PAN, concrete surfacing under different fiber content and temperature conditions. The damage evolution characteristics of GA-PAN concrete surfacing over the steel deck with different fiber lengths and volume ratios are predicted by analyzing the fatigue life equations. The results show that the steel bridge deck FRAC surfacing model can reflect the comprehensive influence of the fiber content and length on the fatigue performance of steel bridge AC. Specifically, a lower temperature results in the fiber more synergistically affecting the fatigue resistance of AC. Theoretically, the service performance of asphalt concrete increases with the increase of fiber length and content. The optimum fiber length and volume ratio of GA-PAN are found to be 9 mm and 0.46%−0.48%, respectively, considering the construction workability. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2073-4352 56641389 |
| Relation: | https://www.mdpi.com/2073-4352/10/3/155; https://doaj.org/toc/2073-4352 |
| DOI: | 10.3390/cryst10030155 |
| URL الوصول: | https://doaj.org/article/57058fd4e56641389e929ea097b70f05 |
| رقم الأكسشن: | edsdoj.57058fd4e56641389e929ea097b70f05 |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 20734352 56641389 |
|---|---|
| DOI: | 10.3390/cryst10030155 |