Research in the field of using of ash from the incineration of sewage sludge, treated with mineral binders, for forest road constructionOksana Zubova, Vadim Siletskiy, Daniil Kulik, Taras Kovalenko and Mihail NaskovetsE3S Web of Conf., 222 (2020) 01007DOI: https://doi.org/10.1051/e3sconf/202022201007