With practical examples, installation of pier top beam section to sum up the construction process, construction process and stressed the important and difficult.
结合工程实例，对墩顶梁段安装施工工艺进行总结，并强调施工过程中的重点和难点。
Concrete vertical transportation, eccentricity control of pier top and construction of top hat beam are the difficult points for present project.
混凝土的垂直运输、高桥墩顶偏心控制、帽梁施工是该工程施工的难点。
Concrete vertical transportation, eccentricity control of pier top and construction of top hat beam are the difficult points for present project.
混凝土的垂直运输、高桥墩顶偏心控制、帽梁施工是该工程施工的难点。
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