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本文结合锡宜高速公路跨越沪宁线铁路需架设系杆拱桥的工程,时钢管拱内压注微膨胀混凝土的施工工艺进行研究。
In this paper, Xiyi Expressway across the Shanghai-Nanjing line of railway tied girder arch bridge project, when the steel pipe arch injection of micro-expansion of the construction process of concrete research.