Hebei Province--Technical Specification for Dense Grouting Quality Inspection of Bridge Prestressed Holes (DB13/T 2480—2017)
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河北-桥梁预应力孔道注浆密实质量检测技术规程1536985665513
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Shanxi Province--Non-destructive testing of grouting density of bridge prestressed tunnels (DB14/T 1109-2015)
Fujian Province--Technical Regulations for Quality Inspection of Prestressed System of Highway Concrete Structure Bridges (DB35/
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