废物管理的创新方法:在道路基础设施中利用稳定的城市固体废物
Sonal Saluja1, Arun Gaur2, Prakash Somani2
1Department of Civil Engineering, Manav Rachna International Institute of Research and Studies, Sector 43, Faridabad, Haryana, 121004, India. sonalbhugra@gmail.com.
概括
与土壤和底层灰混合的稳定化城市固体废物 (SMSW) 显示了道路建设的潜力. 虽然满足加利福尼亚州承载比率 (CBR) 标准的低体积道路,耐用性需要进一步调查干旱地区.
科学领域:
- 地质技术工程 地质技术工程
- 环境工程 环境工程
- 材料科学 材料科学 材料科学
背景情况:
- 城市固体废物 (MSW) 的增加需要创新的处置解决方案.
- 在道路建设中利用稳定城市固体废物 (SMSW) 为填埋提供了一个可持续的替代方案.
- 来自新德里的奥克拉垃圾填埋场的有机丰富的MSW被调查.
研究的目的:
- 评估在道路建设中使用与土壤和底层灰混合的SMSW的可行性.
- 确定这些混合物对关键工程性质的影响.
- 评估基于SMSW的材料是否适合于次级应用.
主要方法:
- SMSW与土壤 (5-15%) 和底灰 (10-30%) 单独混合,并作为土壤底灰混合物 (1:1比).
- 压缩,加利福尼亚轴承比率 (CBR),不受限制的压力强度 (UCS),耐用性和扫描电子微结构 (SEM) 进行了测试.
- 样品在浸泡条件下进行分析,以符合IRC SP-72标准.
主要成果:
- 在SMSW混合物中,添加底灰降低了最大干单位重量.
- 所有浸泡样本的加利福尼亚轴承比率 (CBR) 值符合低体积道路的最低标准 (>10%).
- 测试的混合物没有达到耐用性规格.
结论:
- 与土壤和底层灰混合的SMSW显示出作为低体积道路的亚材料的前景,特别是在干旱的环境中.
- 需要进一步的研究来提高这些复合材料的耐用性.
- 该研究强调了在土木工程应用中MSW价值化的一种可行的方法.
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