With the combination of construction organizations and programs of full-bridge as well as the requirements of design drawings, this paper describes the pressure injection technology and methods of main arch rib concrete, including design of mix rate and mechanical equipment preparation.%结合全桥的施工组织和方案,以及设计图纸的要求,介绍了主拱肋砼的压注工艺和方法,包括配合比的设计以及机械设备的准备.
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