Formwork for improving pier durability in freezing-thawing or chlorine salt erosion environment
The utility model discloses a formwork for improving pier durability in a freezing-thawing or chlorine salt erosion environment. The formwork comprises a pier formwork and a protective sleeve with high freezing-thawing durability and/or chlorine salt erosion resistance, wherein the sleeve is fixed o...
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Format: | Patent |
Sprache: | chi ; eng |
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