trunk girder span 箱型梁板
girder depth-span ratio 主梁高跨比
long-span girder 大跨度梁
large-span girder 大跨度梁
large-span girder bridge 大跨度梁桥
Large span girder, due to the limited transport conditions, is the production of.
跨度大的主梁，由于运输条件所限，是分段制造的。
To install the crane span before installation, camber, level of metal structure of main girder bending, trolley rail height difference, gauge deviation, diagonal bridge survey.
安装前要对起重机安装跨度，金属结构主梁的拱度、水平旁弯，小车轨道高低差、轨距偏差，桥架对角线等进行测量。
From the point of internal force and deformation, the influence of girder joint scheme of side span on construction control is discussed.
从受力与变形角度讨论了边跨合龙方案对连续梁桥施工控制的影响。
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