The influence of shrinkage, creep and temperature change on main beam geometry is studied.

研究了收缩徐变和温度变化对主梁线形影响.

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The main, sub - beam handover, the first main beam arch camber, arch camber beam after the meeting.

主 、 次梁交接时, 先主梁起拱, 后次梁起拱.

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