-Ground-work construction and trials: TCVN 4070-2012.-Road-construction Background and experience: TCVN 9436-2012.-Structural Layer Austria street cars with natural levels-the material, construction and trials: TCVN 8857-2011.-Nail Class levels gravel in structural Austria street cars-material, and construction: ISO 8859-2011.-Pavement of hot asphalt – and its testing: TCVN 8863-2011.-Required the design, implementation and technical background in construction up on weak ground: TCVN 9844-2013.-Reinforced concrete structures-design standards: TCVN 5575-2012.-Standard BTCT pipe drainage: TCVN 9113-2012.-Test procedures for determining the background: tight 22TCN-333-06.-Test procedures for determining the background, tight nail with phểu pouring sand: 22TCN-346-6.Soft sugar-coats-determine the elastic module of the structure by the need to measure hammocks Benkelman: TCVN 9431-2011.
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