...2.0盆式橡胶支座安装部位的支承垫石表面,清除预留孔中的杂 物,安装灌浆用模板,模板与垫石顶面应采取可靠措施,防止在重力灌浆时发生漏浆。然后用水将支承垫石 表面浸湿。 1吊装预制箱梁(带GPZ(DX)2.0盆式橡胶支座),将箱梁落在临时支承千斤顶上,通过千斤顶调整梁体支点标 高。
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详细阐述了预制箱梁海上新的吊装工艺和控制方法,包括吊具设计、浮吊改造、运输驳改造。
The advanced hoisting technique and control method of prefabricated box girder over sea including spreader gear design, floating crane improvement and transport barge have been expounded in details.
箱梁的预制是钢筋混凝土斜拉桥施工中的重要环节,它直接影响到主桥施工的吊装进度和拼装精度。
To prefabricate box-girder is important in concrete cable-stayed bridge construction, it affects directly the main bridge construction of assembly progress and packing accuracy.
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