生态混凝土绿色护坡的植生性与耐久性

王家庆; 吴健生; 黄凯健; 王佳梁

doi:10.11835/j.issn.2096-6717.2021.191

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生态混凝土绿色护坡的植生性与耐久性

土木工程 | 更新时间：2023-07-10

- 生态混凝土绿色护坡的植生性与耐久性
- Planting performance and durability of eco-concrete for slope protection
- 土木与环境工程学报 2023年45卷第4期页码：29-40
- 作者机构：
  
  1.南京林业大学土木工程学院，南京 210037
  2.中煤科工集团南京设计研究院有限公司，南京 210018
- 作者简介：
  
  王家庆（1994- ），男，博士，副教授，主要从事道路材料、固废资源化利用研究，E-mail：jiaqingw@njfu.edu.cn。
  黄凯健（通信作者），男，博士，教授，E-mail：huangkaijian@njfu.edu.cn。
- 基金信息：
  
  国家自然科学基金(52108408);江苏省自然科学基金(BK20210617)
- DOI：10.11835/j.issn.2096-6717.2021.191
  中图分类号： TU528.59
- 收稿：2021-05-24，
  
  纸质出版：2023-08-25
- 稿件说明：
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王家庆, 吴健生, 黄凯健, 等. 生态混凝土绿色护坡的植生性与耐久性[J]. 土木与环境工程学报, 2023,45(4):29-40.

WANG Jiaqing, WU Jiansheng, HUANG Kaijian, et al. Planting performance and durability of eco-concrete for slope protection[J]. Journal of Civil and Environmental Engineering, 2023, 45(4): 29-40.
王家庆, 吴健生, 黄凯健, 等. 生态混凝土绿色护坡的植生性与耐久性[J]. 土木与环境工程学报, 2023,45(4):29-40. DOI： 10.11835/j.issn.2096-6717.2021.191.

WANG Jiaqing, WU Jiansheng, HUANG Kaijian, et al. Planting performance and durability of eco-concrete for slope protection[J]. Journal of Civil and Environmental Engineering, 2023, 45(4): 29-40. DOI： 10.11835/j.issn.2096-6717.2021.191.

摘要

作为传统边坡防护混凝土的替代品，在实际工程中，大孔隙护坡生态混凝土可有效保护服役地区的边坡生态环境，具有较好的生态和社会效益。通过植生性能、耐久性试验及微观机理分析，研究大孔隙护坡生态混凝土内部碱环境的关键调控方法。结果表明：复合降碱方法可以实现较好的降碱效果；降碱处理后的大孔隙护坡生态混凝土与黑麦草和高羊茅具有很好的匹配性，满足植被的生长需求；植物生长前后，生态混凝土的抗压强度及孔隙率未产生显著变化。生态混凝土碱环境调控方法与草种协同技术的提出有利于大孔隙护坡生态混凝土的性能提升，进一步推动“绿色可持续型”生态混凝土材料在护坡工程中的实际应用。

Abstract

Porous eco-concrete is an alternative for the conventional concrete materials for slope protection

which could effectively protect the ecological environment of the slope in the service area during the field applications

with significant ecological and social benefits. In this paper

the key control methods of alkaline environment in porous eco-concrete for slope protection were studied by means of biogenic energy

durability test and microscopic mechanism analysis. The results demonstrate that the composite alkali-reduction method can achieve a good alkali reduction effect; the porous eco-concrete for slope protection after alkali reduction treatment has a good match with ryegrass and tall fescue and meets the growth requirements of vegetation; after plants’ growth

the compressive strength and porosity of specimens are not significantly changed. In summary

the proposed alkaline environment-modification method and vegetation matching technique could contribute to the performance improvement of porous eco-concrete

which will promote the engineering applications of “green-sustainable” eco-concrete in projects for slope protection.

关键词

Keywords

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