Ecological aspects of technogenic material application in road construction technologies

Autor:	N. N. Bochkov, I. I. Shepelev, E. N. Eskova, S. O. Potapova, S. V. Khizhnyak
Rok vydání:	2019
Předmět:	Engineering Road construction business.industry Environmental resource management business
Zdroj:	IOP Conference Series: Earth and Environmental Science. 315:052019
ISSN:	1755-1315 1755-1307
DOI:	10.1088/1755-1315/315/5/052019
Popis:	It is shown in the paper that various secondary technogenic products and industrial wastes are effectively used as cheap raw materials for the production of road construction material. The hardening kinetics of the nepheline-sand mixture compacted at different initial humidity was studied, which showed that when nepheline sludge used as a binder, a relatively uniform set of strength of the samples was observed for a long time. Analysis of the aqueous extract from nepheline sludge showed there are ions of Ca++, K+, Na+, CO3 2−, HCO3 −, SO4 2−, Cl− in it. Using the method of biotesting confirmed the absence of toxic effects of the proposed technogenic materials for use in the strengthening soil of road pavement.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b39378112be34c6512fa27436813fc26 https://doi.org/10.1088/1755-1315/315/5/052019 Zobrazit plný text záznamu