YUXuan,QINHaiming,JIANGJinghang,et al.Preventive Assessment of Plastic Drainage Pipeline Defects in Coastal Cities[J].China Water & Wastewater,2026,42(10):39-45.
滨海城市塑料排水管道病害预防性评估
- Title:
- Preventive Assessment of Plastic Drainage Pipeline Defects in Coastal Cities
- Keywords:
- drainage pipeline; defect assessment; multiple logistic regression; preventive rehabilitation
- 摘要:
- 市政管网是现代滨海城市的生命线，其安全可靠的建设与运维对城市更新及新型城镇化建设具有重要意义。然而，现行《城镇排水管道检测与评估技术规程》（CJJ 181—2012）在塑料管道的修复和养护方面未能提供预判性指导。采用专家问卷调查与管养数据分析相结合的方法，对珠海市排水管网现状进行评估，探究影响塑料排水管道健康的主要因素，如管材质量、施工质量、管龄及土质等。为进行管道预防性评估，采用多元逻辑回归方法，并结合管养数据分析管道病害等级与管道属性之间的关系，建立了管道健康度预测模型，其预测准确率可达72.0%。
- Abstract:
- Municipal pipeline networks are regarded as the lifeline of modern coastal cities, and their reliable construction and maintenance play a vital role in urban renewal and new urbanization initiatives. However, the current Technical Specification for Inspection and Evaluation of Urban Sewer (CJJ 181-2012) fails to provide proactive guidance for the rehabilitation and maintenance of plastic pipelines. By combining expert questionnaire surveys and maintenance data analysis, this study evaluated the current condition of the drainage pipeline network in Zhuhai and identified the main factors affecting the health of plastic drainage pipelines, such as pipe material quality, construction quality, service age, and soil conditions. In order to conduct the pipeline preventive assessment, a multiple logistic regression method was adopted to analyze the relationship between pipeline defect grades and pipeline attributes based on maintenance data. A pipeline health prediction model was subsequently established, and it could achieve a prediction accuracy of 72.0%.
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