Aluminum Waste in Road Pavement Subgrade

Revista Ingenieria E Investigacion Pub Date : 2020-04-20 DOI:10.15446/ING.INVESTIG.V40N1.79376

A. Cabalar, Hayder Govar, M. Abdulnafaa, H. Isik

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引用次数: 8

Abstract

This paper aims to investigate the use of spiral aluminum computer numerical control milling waste (CNC-W) in the construction of road pavement subgrade. The soil (CL) was mixed with CNC-W spirals with ratios of between 0% and 20%, and 5 percent increments by dry weight with different water contents. California Bearing Ratio (CBR), Unconfined Compressive Strength (UCS), and consolidation tests were conducted. The experimental results indicated that the inclusion of CNC-W spirals increased the CBR value of clay up to the 15% mixture ratio, then decreased it. Similarly, the UCS value of clay was increased to the same ratio, whilst the UCS was not able to be determined due to the failing of all specimens with a mixture ratio higher than 15%. The permeability and swelling values, as well as the consolidation characteristics of the mixtures, were defined. The swelling percentages decreased from 1,15 cm/sec to 0,81 cm/sec with an increment in the CNC-W spiral content. A reduction was observed in the coefficient of permeability ( k ) values up to 15% mixture ratio, whilst it remained constant with change in CNC-W spiral content with a 20% mixture ratio. Coefficient of consolidation demonstrated a similar pattern of behavior to the permeability changes

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道路路面路基中的废铝

本文旨在研究螺旋铝计算机数控铣削废料(CNC-W)在道路路面路基施工中的应用。土壤(CL)与CNC-W螺旋混合，比例在0% ~ 20%之间，不同含水量下按干重增加5%。进行了加州承载比(CBR)、无侧限抗压强度(UCS)和固结试验。实验结果表明，在混合比为15%时，CNC-W螺旋的掺入使粘土的CBR值先升高后降低。同样，粘土的UCS值也增加到相同的比例，但当混合比大于15%时，由于所有试件都失效，因此无法确定UCS。定义了混合料的渗透性、溶胀值以及固结特性。随着CNC-W螺旋含量的增加，膨胀率从1.15 cm/sec降低到0.81 cm/sec。当混合比为15%时，渗透系数(k)值下降，而当混合比为20%时，渗透系数随CNC-W螺旋含量的变化保持不变。固结系数表现出与渗透率变化相似的行为模式

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Revista Ingenieria E Investigacion

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