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本文简述了在北京八达岭高速公路山羊洼１号桥钢管中使用高性能免振捣混凝土的工程实践，结果表明使用微膨胀高性能混凝土在钢管结构中具有良好的使用前景。
This paper briefly describes the engineering practice of using high-performance vibration-free concrete in the steel pipe of Shayangwa No.1 Bridge on Beijing Badaling Expressway. The results show that the use of micro-expansive high-performance concrete has a good prospect in steel structure.