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砼箱梁有结构整体性好，强度高，外形美观，桥下可利用空间大等优点，目前在大型立交桥 中的应用日益广泛。但由于其施工时砼结构完全现浇，跨河施工又有导流问题，因此对支撑 体系的要求较高，需要精心设计排架和模板，以保证整个箱梁的施工质量。以下就南四环１２ 标凉水河铁
The concrete box girder has the advantages of good structural integrity, high strength, beautiful appearance and large space available under the bridge. At present, the application of large-sized overpasses is increasingly widespread. However, due to the fact that the concrete structure is fully cast when construction is in progress and the cross-river construction has diversion problems, the requirements for the supporting system are high, and the rack and the template need to be carefully designed so as to ensure the construction quality of the whole box girder. The following on the Fourth Ring 12 12 Liangshuihe iron