WANGWanqiong,LIUTong,LINPeiyuan,et al.Comparison and Analysis of Four Drainage Pipeline Health Assessment Methods[J].China Water & Wastewater,2026,42(10):22-30.
四种排水管道健康评估方法对比与分析
- Title:
- Comparison and Analysis of Four Drainage Pipeline Health Assessment Methods
- 摘要:
- 为提升排水管网管理与维护的科学性和精准性，基于长江流域某城市排水管网的缺陷检测数据，对中国、英国及北美地区的3种主流评估方法，以及自主构建的双指标体系进行了系统对比分析，研究了数值分布特征、阈值划分差异、指标相关性及等级分布与映射，分别量化了4种方法在结构性与功能性缺陷评估上的表现。结果表明，4种方法在取值范围、计算逻辑和等级设定上存在显著差异，应依据实际工程需求、管理目标和应用场景合理选择，以保证评估结果的有效性和适用性；自主构建的双指标体系能够提供连续、可扩展的量化结果，兼顾短期运维与长期资产管理的决策需求。研究成果可为排水管网状况评估标准的更新与优化提供科学依据。
- Abstract:
- To enhance the scientific rigor and precision of drainage pipeline network management and maintenance, defect inspection data from a representative city in the Yangtze River basin were used to conduct a systematic comparative analysis of three mainstream assessment methods from China, the United Kingdom, and North America, along with a self-developed dual-indicator system. The study examined numerical distribution characteristics, threshold division differences, indicator correlations, as well as the distribution and mapping of assessment grades, quantitatively comparing the performance of the four methods in assessing structural and functional defects. The results indicate that the four methods differ significantly in value ranges, calculation logic, and grade settings, and that therefore their selection should be carefully aligned with specific engineering needs, management objectives, and application scenarios to ensure the effectiveness and applicability of the assessment results. The self-developed dual-indicator system can provide continuous and extendable quantitative outputs, thereby supporting decision-making for both short-term maintenance and long-term asset management. The findings can offer scientific evidence to inform the updating and optimization of drainage pipeline network condition assessment standards.
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