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由于大跨度和超大跨度桥梁施工工艺的复杂性,施工过程及竣工之后出现许多难以预料的因素可能导致桥梁某些部位的应力或变形过大,从而形成桥梁安全隐患,因此对桥梁结构质量状况监测的研究也迅速发展起来。桥梁下部构造工程质量监测的基本概念就是通过对桥梁结构状态的监控,为桥梁的维护、维修与管理决策提供依据和指导。
Due to the complexity of construction technology of long-span and long-span bridges, many unforeseen factors during the construction process and after completion may lead to excessive stress or deformation in some parts of the bridge, thus posing a potential safety hazard of the bridge. Therefore, monitoring the quality of the bridge structure The research is also rapidly developing. The basic concept of bridge construction quality monitoring is to monitor and control the status of bridge structure and provide the basis and guidance for bridge maintenance, maintenance and management decision-making.