Effects of sample preparation methods on measured characteristics of marine and fluvial sediment  

作　　者：Rachid Zentar Fatima Ouendi Hongwei Wang 

机构地区：[1]Institut Mines-Télécom,IMT Nord Europe,Center of Materials and Processus,Lille F-59000,France [2]Universite,Lille,Institut Mines-Télécom.Université.Artois,Junia,ULR 4515-LGCgE,Laboratoire de Génie Civil et Géo-Environnement,Lille F-59000,France

出　　处：《International Journal of Sediment Research》2024年第1期15-27,共13页国际泥沙研究（英文版）

摘　　要：Dredged sediment is complex material composed of mineral phases,organics phases,and liquid phases.For the characterization of sediment in the laboratory,the material should be dried before applying some tests,such as the determination of organic matter content,X-ray diffraction(XRD)analysis,X-ray fluo-rescence(XRF)analysis,specific surface area,specific gravity,and many other tests.To do such tests,in test standards,no specific drying method is recommended.This paper evaluates the effects of drying methods on the measured characteristics of dredged sediment.The drying methods investigated in the current study are oven-drying,freeze-drying,and air drying.From the results obtained,it seems that the drying method affects the results of the test done on the sediment.Among the drying methods,freeze-drying has less effect on sediment properties when the results are compared to a few properties measured on undried material.However,from the point of view of materials classification in road construction,no effects of drying methods are recorded.

关 键 词：Marine sediment Fluvial sediment VALORIZATION FREEZE-DRYING Oven-drying AIR-DRYING 

分 类 号：TV14[水利工程—水力学及河流动力学] X143[环境科学与工程—环境科学]