Corrigendum: Effect of adding nano-calcined clay and nano-lime on the geotechnical properties of expansive clayey soil (IOP Conf. Ser.: Mater. Sci. Eng. 615 012058)

This corrigendum corrects the following error. There was a missing reference in the reference list. This has been included as reference 18.

[18] Al-Swaidani A M, Hammoud I., al-Ghuraibi I and Mezyab A 2019 Nanocalcined clay and nanolime as stabilizing agents for expansive clayey soil: Some geotechnical properties Advances in Civil Engineering Materials 8(3) 327-345

[19] Gueddouda M K, Goual I, Lamara M and Mekarta B 2011 Chemical stabilization of expansive clays from Algeria Global J. of Researches in Engineering: J. General Engineering 11(5) 1-8 Reference 18 should have been referred to at the following points.

[20] Kariuki PC, Shephered K D and Van Der Meer F D 2006 Spectroscopy as a tool for studying swelling soils. In: alRawas AA, Goosen, MFA editors Expansive soils-recent advances in characterization and treatment 15-24 (London, UK: Taylor and Francis Group)

Table 1. The reference [18] should have been indicated in the caption

Figure 2(a), Figure 2(b) and Figure 2(c). The reference [18] should have been indicated.

Figure 7 the reference [18] should have been indicated.

The reference (Gueddouda et al.) numbered as 18 in the older copy was corrected to 19. See the selection of the reference list above.

Figure 8 should include a reference to [18].

Figure 9. The reference [18] should be indicated.

The reference (Kariuki et al.) numbered 19 in the older copy was corrected in this version to 20. See attached reference list above.

Table 4. The reference [18] should have been indicated

References list Reference [18] was added in this version. See above list.