An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materials
In view of the problems existing in the ecological restoration of rock slope, such as the slide of the soil substrate, the serious loss of the surface soil and the poor growth of vegetation, etc., in this paper, polyurethane organic polymer materials and soil are used to form a polyurethane composit...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Hydrogeology & Engineering Geology
2021-03-01
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| Series: | Shuiwen dizhi gongcheng dizhi |
| Subjects: | |
| Online Access: | https://www.swdzgcdz.com/en/article/doi/10.16030/j.cnki.issn.1000-3665.202004036 |
| _version_ | 1811169558853058560 |
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| author | Yongxiang YU Shefeng HAO Bo JIANG Jin LIU Ming LI Wei LI Zezhuo SONG |
| author_facet | Yongxiang YU Shefeng HAO Bo JIANG Jin LIU Ming LI Wei LI Zezhuo SONG |
| author_sort | Yongxiang YU |
| collection | DOAJ |
| description | In view of the problems existing in the ecological restoration of rock slope, such as the slide of the soil substrate, the serious loss of the surface soil and the poor growth of vegetation, etc., in this paper, polyurethane organic polymer materials and soil are used to form a polyurethane composite substrate. The strength, erosion resistance and vegetation growth of the composite substrate are studied through laboratory tests. In addition, a suitable site is chosen for field test to verify the effectiveness of the polyurethane composite substrate. The specific research results show that the existence of the polyurethane organic polymer has a significant effect on the strength and anti-scour of the composite substrate, and with the increasing concentration of the polyurethane organic polymer, the strength and anti-scour of the polyurethane composite substrate also increase. Compared with the specimens not added, the strength of 1% polyurethane composite substrate is 113.63 kPa, with an increasing rate of about 95.45%. The peak scouring amount of 20% polyurethane composite substrate is 28.8 g, with a decreasing rate of about 71.2%. The polyurethane organic polymer can effectively improve the germination and growth of vegetation seeds. When the concentration of polyurethane increases from 0% to 10%, the germination rate of seeds increases from 12% to 68%. When the concentration of the polyurethane organic polymer is too high, it will inhibit the germination and growth of vegetation. The polyurethane composite substrate can effectively repair the rock slope, and the effect is significant. The research results may provide some references for the ecological protection of rock slope, and are of important theoretical and practical significance. |
| first_indexed | 2024-04-10T16:44:32Z |
| format | Article |
| id | doaj.art-91c6c2ac98ca442e816abcb63bc24467 |
| institution | Directory Open Access Journal |
| issn | 1000-3665 |
| language | zho |
| last_indexed | 2024-04-10T16:44:32Z |
| publishDate | 2021-03-01 |
| publisher | Editorial Office of Hydrogeology & Engineering Geology |
| record_format | Article |
| series | Shuiwen dizhi gongcheng dizhi |
| spelling | doaj.art-91c6c2ac98ca442e816abcb63bc244672023-02-08T01:30:07ZzhoEditorial Office of Hydrogeology & Engineering GeologyShuiwen dizhi gongcheng dizhi1000-36652021-03-0148217418110.16030/j.cnki.issn.1000-3665.202004036202004036An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materialsYongxiang YU0Shefeng HAO1Bo JIANG2Jin LIU3Ming LI4Wei LI5Zezhuo SONG6Technology Innovation Center of Land (Cultivated Land) Ecological Monitoring and Restoration Project of the Ministry of Natural Resources, Nanjing, Jiangsu 210018, ChinaTechnology Innovation Center of Land (Cultivated Land) Ecological Monitoring and Restoration Project of the Ministry of Natural Resources, Nanjing, Jiangsu 210018, ChinaTechnology Innovation Center of Land (Cultivated Land) Ecological Monitoring and Restoration Project of the Ministry of Natural Resources, Nanjing, Jiangsu 210018, ChinaSchool of Earth Sciences and Engineering, Hohai University, Nanjing, Jiangsu 210098, ChinaTechnology Innovation Center of Land (Cultivated Land) Ecological Monitoring and Restoration Project of the Ministry of Natural Resources, Nanjing, Jiangsu 210018, ChinaTechnology Innovation Center of Land (Cultivated Land) Ecological Monitoring and Restoration Project of the Ministry of Natural Resources, Nanjing, Jiangsu 210018, ChinaSchool of Earth Sciences and Engineering, Hohai University, Nanjing, Jiangsu 210098, ChinaIn view of the problems existing in the ecological restoration of rock slope, such as the slide of the soil substrate, the serious loss of the surface soil and the poor growth of vegetation, etc., in this paper, polyurethane organic polymer materials and soil are used to form a polyurethane composite substrate. The strength, erosion resistance and vegetation growth of the composite substrate are studied through laboratory tests. In addition, a suitable site is chosen for field test to verify the effectiveness of the polyurethane composite substrate. The specific research results show that the existence of the polyurethane organic polymer has a significant effect on the strength and anti-scour of the composite substrate, and with the increasing concentration of the polyurethane organic polymer, the strength and anti-scour of the polyurethane composite substrate also increase. Compared with the specimens not added, the strength of 1% polyurethane composite substrate is 113.63 kPa, with an increasing rate of about 95.45%. The peak scouring amount of 20% polyurethane composite substrate is 28.8 g, with a decreasing rate of about 71.2%. The polyurethane organic polymer can effectively improve the germination and growth of vegetation seeds. When the concentration of polyurethane increases from 0% to 10%, the germination rate of seeds increases from 12% to 68%. When the concentration of the polyurethane organic polymer is too high, it will inhibit the germination and growth of vegetation. The polyurethane composite substrate can effectively repair the rock slope, and the effect is significant. The research results may provide some references for the ecological protection of rock slope, and are of important theoretical and practical significance.https://www.swdzgcdz.com/en/article/doi/10.16030/j.cnki.issn.1000-3665.202004036rock slopepolyurethanecomposite-based materialexternal soilecological restoration |
| spellingShingle | Yongxiang YU Shefeng HAO Bo JIANG Jin LIU Ming LI Wei LI Zezhuo SONG An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materials Shuiwen dizhi gongcheng dizhi rock slope polyurethane composite-based material external soil ecological restoration |
| title | An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materials |
| title_full | An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materials |
| title_fullStr | An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materials |
| title_full_unstemmed | An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materials |
| title_short | An experimental study of the ecological restoration of rock slope based on polyurethane composite-based materials |
| title_sort | experimental study of the ecological restoration of rock slope based on polyurethane composite based materials |
| topic | rock slope polyurethane composite-based material external soil ecological restoration |
| url | https://www.swdzgcdz.com/en/article/doi/10.16030/j.cnki.issn.1000-3665.202004036 |
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