| 摘要 |
Use of purifier sludges for roadway safety structures and acoustic panels. Consists of using the sludges as a mortar with sand and cement in the appropriate proportions to construct lane separators on motorways or roads in general, as parapets or guard rails on bridges, bends, cliffs, embankments, etc., as a fill in signs for diversions and/or exits from main roads. As acoustic screens in general.
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