Microstructure and properties of cement mortars containing organo-modified reservoir sludge

Wen Yih Kuo, Jong Shin Huang

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

Reservoir sludge can be organo-modified by a cation-exchange reaction and then employed as a substitute for a portion of fine aggregates in cement mortars. The chemical structure and properties of organo-modified reservoir sludge (OMRS) were first analyzed by conducting a series of TGA, FTIR, EDS and XRD measurements. The microstructures of cement mortars containing different amounts of OMRS particles were then characterized by using MIP, EDS and a water contact angle goniometer. In addition, the effects of OMRS particles on the compressive strength and permeability of cement mortars were evaluated. Experimental results indicate that the hydrophobic OMRS particles randomly distributed in cement mortars contribute to the decrease in capillary porosity and the increase in water diffusion barriers. As a result, an adequate dosage of OMRS particles to give a higher compressive strength and a lower permeability ratio for cement mortars is proposed here.

原文English
頁(從 - 到)2022-2029
頁數8
期刊Construction and Building Materials
24
發行號10
DOIs
出版狀態Published - 2010 10月

All Science Journal Classification (ASJC) codes

  • 土木與結構工程
  • 建築與營造
  • 一般材料科學

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