Recycling industrial alkaline solutions for soil stabilization by low-concentrated fly ash-based alkali cements

• Published in: Construction & building materials Vol. 393; p. 132083
• Main Authors: Lal Mohammadi, Esmaeil, Khaksar Najafi, Elmira, Zanganeh Ranjbar, Payam, Payan, Meghdad, Jamshidi Chenari, Reza, Fatahi, Behzad
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 22.08.2023
• Subjects: High-calcium fly ash; Low-calcium fly ash; Low-range alkaline cement; Recycling alkaline solution; Soil improvement; High-calcium fly ash; Low-calcium fly ash; Soil improvement; Low-range alkaline cement; Recycling alkaline solution

•The use of a residual alkaline solution to enhance the clay properties is examined.•UCS, ITS, UPV and microstructural (SEM, XRD) tests are conducted.•High- and low- calcium fly ash are introduced into the alkaline activation process.•A microstructural analysis showed the formation of binding gels.•...