期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 338, 期 -, 页码 410-427出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2017.05.051
关键词
Shale gas; ODPR; Recycling; Aggregate; Admixture
资金
- National Key Scientific Projects for Decommissioning of Nuclear Facilities and Radioactive Waste Management [14zg6101]
The overall objective of this research project is to investigate the feasibility of incorporating oil-based drilling cuttings pyrolysis residues (ODPR) and fly ash serve as replacements for fine aggregates and cementitious materials in concrete. Mechanical and physical properties, detailed environmental performances, and microstructure analysis were carried out. Meanwhile, the early hydration process and hydrated products of ODPR concrete were analyzed with X-ray diffraction (XRD), Fourier transform infrared (FT-IR), scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). The results indicated that ODPR could not be categorize into hazardous wastes. ODPR had specific pozzolanic characteristic and the use of ODPR had certain influence on slump and compressive strength of concrete. The best workability and optimal compressive strength were achieved with the help of 35% ODPR. Environmental performance tests came to conclusion that ODPR as recycled aggregates and admixture for the preparation of concrete, from the technique perspective, were the substance of mere environmental contamination. (C) 2017 Elsevier B.V. All rights reserved.
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