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Experimental and field study on treatment waste mud by in situ solidification
Proceedings of the Institution of Civil Engineers - Municipal Engineer ( IF 1.3 ) Pub Date : 2020-11-20 , DOI: 10.1680/jmuen.18.00021
Shihu Gao 1 , Yonghui Chen 2 , Long Chen 3 , Xiao Cheng 4 , Geng Chen 3
Affiliation  

Waste mud processing is an urgent problem in in situ construction with no existing method of address. Identifying a highly effective, low-energy and environmentally friendly treatment method would hold great significance. This paper introduces a fast, economic and environmentally friendly construction technology centred on the in situ solidification process. After solidification, bearing capacity and strength of mud pool increases rapidly and it can then be used as roadbed filling or directly as a highway roadbed or building foundation. Combined with the actual general situation of projects, laboratory mixing tests were conducted by using the cement, fly ash, superfine slag powder and plant ash as solidification additives. Vane strength and in situ loading tests were conducted, in which waste mud processing effects were evaluated using the proposed in situ solidification construction technology as a basis. In addition, exponential curve and hyperbolic models were adopted to fit incomplete original loading data, from which the ultimate bearing capacity of the testing field region was obtained. A bearing capacity prediction technique evaluating in situ solidification technology suitable for field use was proposed through comparison and analysis of contrasting measured results.

中文翻译:

原位固化处理废泥的实验与现场研究

在没有现有解决方法的情况下,废泥处理是现场施工中的紧急问题。确定一种高效,低能耗和环保的治疗方法将具有重要意义。本文介绍了一种以原位固化过程为中心的快速,经济和环保的建筑技术。固化后,泥浆池的承载力和强度迅速增加,然后可以用作路基填料或直接用作高速公路路基或建筑基础。结合项目实际情况,以水泥,粉煤灰,超细矿渣粉和植物灰为固化助剂进行了实验室搅拌试验。进行了叶片强度和原位载荷测试,以提议的现场凝固施工技术为基础,对废泥的处理效果进行了评估。此外,采用指数曲线和双曲线模型来拟合不完整的原始载荷数据,从而获得试验场区域的极限承载力。通过对对比的测量结果进行比较和分析,提出了一种适合现场使用的评估原位凝固技术的承载能力预测技术。
更新日期:2020-11-21
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