Concrete for thermal damage tunnels
The invention relates to the technical field of building materials, in particular to concrete for thermal damage tunnels. The concrete comprises the following raw materials by weight: 250-340kg/m of anti-crack self-repairing cement; 30-120 kg/m of mineral powder; 20-50kg/m of silica fume; 10-45 kg/m...
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Format: | Patent |
Sprache: | chi ; eng |
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