Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate
Fine coal gangue aggregate (CGA) has a high water absorption, which increases the cracking risk of mortar caused by dry shrinkage. The effects of polypropylene (PP) fiber on the fluidity, strength, dry shrinkage, and cracking of CGA mortar were studied in this paper. The results show that PP fiber r...
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| Format: | Article |
| Language: | English |
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Wiley
2021-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2021/6667851 |
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| author | Kai Zhu Xianwei Ma Liyang Yao Linlin Zhao Chuangdan Luo |
| author_facet | Kai Zhu Xianwei Ma Liyang Yao Linlin Zhao Chuangdan Luo |
| author_sort | Kai Zhu |
| collection | DOAJ |
| description | Fine coal gangue aggregate (CGA) has a high water absorption, which increases the cracking risk of mortar caused by dry shrinkage. The effects of polypropylene (PP) fiber on the fluidity, strength, dry shrinkage, and cracking of CGA mortar were studied in this paper. The results show that PP fiber reduces the fluidity of CGA mortar, but PP fiber improves compressive and flexural strengths, especially at the early stages. PP fiber also effectively decreases dry shrinkage and the risk of cracking. Overall, PP fiber can effectively improve the properties of CGA mortar. |
| format | Article |
| id | doaj-art-5a549a8bfeec4390992bbaac1ef2615a |
| institution | Kabale University |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-5a549a8bfeec4390992bbaac1ef2615a2025-02-03T06:43:28ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422021-01-01202110.1155/2021/66678516667851Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue AggregateKai Zhu0Xianwei Ma1Liyang Yao2Linlin Zhao3Chuangdan Luo4Henan University of Urban Construction, Pingdingshan 467036, ChinaHenan University of Urban Construction, Pingdingshan 467036, ChinaHenan University of Urban Construction, Pingdingshan 467036, ChinaHenan University of Urban Construction, Pingdingshan 467036, ChinaPingdingshan Road Traffic Survey and Design Institute, Pingdingshan 467000, ChinaFine coal gangue aggregate (CGA) has a high water absorption, which increases the cracking risk of mortar caused by dry shrinkage. The effects of polypropylene (PP) fiber on the fluidity, strength, dry shrinkage, and cracking of CGA mortar were studied in this paper. The results show that PP fiber reduces the fluidity of CGA mortar, but PP fiber improves compressive and flexural strengths, especially at the early stages. PP fiber also effectively decreases dry shrinkage and the risk of cracking. Overall, PP fiber can effectively improve the properties of CGA mortar.http://dx.doi.org/10.1155/2021/6667851 |
| spellingShingle | Kai Zhu Xianwei Ma Liyang Yao Linlin Zhao Chuangdan Luo Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate Advances in Materials Science and Engineering |
| title | Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate |
| title_full | Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate |
| title_fullStr | Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate |
| title_full_unstemmed | Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate |
| title_short | Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate |
| title_sort | effect of polypropylene fiber on the strength and dry cracking of mortar with coal gangue aggregate |
| url | http://dx.doi.org/10.1155/2021/6667851 |
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