Valorization of harbor dredged sediment activated with blast furnace slag in road layers
Valorization of harbor dredged sediment activated with blast furnace slag in road layers作者机构:Laboratory “Water Energy and Environment” (LR3E) National Engineering School of Sfax Faculty of Science University of Sfax University of Caen-Normandie
出 版 物:《International Journal of Sediment Research》 (国际泥沙研究(英文版))
年 卷 期:2021年第36卷第1期
页 面:127-135页
核心收录:
学科分类:0709[理学-地质学] 0819[工学-矿业工程] 08[工学] 0818[工学-地质资源与地质工程] 0708[理学-地球物理学] 0903[农学-农业资源与环境] 0816[工学-测绘科学与技术] 0805[工学-材料科学与工程(可授工学、理学学位)]
主 题:Sediment Sfax commercial port Blast furnace slag Valorization Road layers Bearing capacity
摘 要:The valorization solutions for dredged sediment have been the subject of a great number of investigations over the previous *** the current present study,treatment of polluted dredged sediment for the commercial port of Sfax,Tunisia,is *** industrial byproduct(blast furnace slag) was used to bind raw sediment for a reuse in road *** standards of this field,the raw sediment first was identified and classified according to the French technical *** an environmental assessment was applied due to the presence of heavy *** concentrations were measured on the raw sediment particles so as to control the binding effect on heavy *** mixtures consisted of a mix of sand and a blast furnace slag activated with *** mixtures were tested and some were proposed for sub-layer *** Sfax commercial port raw sediment is considered as a sandy loam with a very low fraction of *** measured concentrations of heavy metals exceed the recommended thresholds for cadmium,copper,lead,and *** can induce hazardous effects in the case of their dumping into the *** the other hand,the concentrations of the detected elements after leaching tests run on raw sediment samples are very low compared to the thresholds;such results highlight a possible recycling of the raw sediment in subgrade layers without any negative *** formulations were deduced for road engineering tests relying on the ratio the California Bearing Ratio index and the immediate bearing *** the obtained ratio exceeds one,the treated sediment can be recycled and used in road layers.