翁洋 邓禄 王煜轩 陈佳

摘  要：法兰式球墨铸铁井盖是一种新型、广泛使用的窨井盖，井盖与井周路面的服役状态是市政道路管养重点关注的方面。文章通过现场测量调查和数据统计分析，确定了评价法兰式球墨铸铁井盖与井周路面服役状态的4个指标，详细介绍了各评价指标的测量及计算取值方法。运用层次分析法（AHP）确定各评价指标权重，采用模糊数学理论构建了井盖与井周路面服役状态综合评价模型，该模型还能预测井盖及周围路面的服役生命期。结果表明：建立的评价模型能很好反映真实井盖与井周路面的服役状态，文章发展的预测理论与方法可为智慧城市建设提供理论与技术支持。

关键词：法兰式球墨铸铁井盖;服役状态;模糊层次分析法;智慧管养

中图分类号：TU990.3       文献标志码：A 文章编号：2095-2945（2019）24-0036-06

Abstract： Flange nodular cast iron manhole cover is a new and widely-used manhole cover. The service state of the manhole cover and the surrounding pavement is the key aspect of municipal road management and maintenance. In this paper， through field survey and statistical analysis of data， four indexes for evaluating the service state of the flange nodular cast iron manhole cover and the surrounding pavement are determined， and the measurement and calculation methods of each evaluation index are introduced in detail. The weight of each evaluation index is determined by analytic hierarchy process （AHP）， and the comprehensive evaluation model of service state of the manhole cover and the surrounding pavement is constructed using Fuzzy Mathematics Theory. The model can also predict the service life of manhole cover and surrounding pavement. The results show that the evaluation model can well reflect the service state of the real manhole cover and the surrounding pavement， and the prediction theory and method developed in this paper can provide theoretical and technical support for the construction of intelligent city.

Keywords： flange nodular cast iron manhole cover; service status; fuzzy analytic hierarchy process; intelligent maintenance

由于設计、施工、运营和养护管理等多方原因，传统的市政道路在窨井（盖）附近的病害非常普遍，主要表现在井框周围沥青层的龟裂、井盖跳动、井盖框区域下沉或突起，潜藏着巨大安全风险。治理这些病害不仅需要花费大量的人力物力，还阻碍交通的正常运行[1]。

为消除传统窨井盖周围路面病害，近年来国内外开始大量使用新型法兰式井盖。该井盖由球墨铸铁制成，利用弹簧锁闭井盖，利用承插结构将井盖支座与井体连接，采用法兰式上盘面来扩大井盖与路面的结合面，将来自井盖上部80%左右的荷载直接均匀分散到路面结构层，有效缓解车行荷载冲击，延长了井盖及井周路面使用寿命[2]。……