FIELD: construction.
SUBSTANCE: old ballast placed to the level of the main site is cut out. The remaining underlying uncleaned used crushed stone in the level of the main site is levelled, geotextile is laid, ballast material is filled in layers on top and compacted. The ballast prism is finished. After levelling of the crushed stone they introduce cellular concrete of normal hardening by pouring into it, and cellular concrete of normal hardening is applied onto the surface of the ballast prism.
EFFECT: reduced quantity of process operations and reduced harmful effect at environment.
1 dwg
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SU67036A1 |
