Article(id=1149735804651619091, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149735800964825832, articleNumber=1003-3033(2024)11-0163-09, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2024.11.0368, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1718121600000, receivedDateStr=2024-06-12, revisedDate=1723651200000, revisedDateStr=2024-08-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1752047976886, onlineDateStr=2025-07-09, pubDate=1732723200000, pubDateStr=2024-11-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752047976886, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752047976886, creator=13701087609, updateTime=1752047976886, updator=13701087609, issue=Issue{id=1149735800964825832, tenantId=1146029695717560320, journalId=1146031787341344770, year='2024', volume='34', issue='11', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752047976008, creator=13701087609, updateTime=1756361988347, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1167830080236565470, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149735800964825832, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1167830080236565471, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149735800964825832, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=163, endPage=171, ext={EN=ArticleExt(id=1149735804911665941, articleId=1149735804651619091, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Prediction of urban sewage pipeline defect probability based on XGBoost, columnId=1149733270084042840, journalTitle=China Safety Science Journal, columnName=Public safety, runingTitle=null, highlight=null, articleAbstract=
To improve the efficiency of urban sewage pipeline defect detection,reduce resource wastage resulting from indiscriminate inspection methods,and mitigate environmental safety risks,the XGBoost model was used to predict the probability of urban sewage pipeline defects. Firstly,the causes of sewage pipe defects were statistically analyzed to determine key indicators that can characterize the pipeline defects as the inputs of the XGBoost model. Secondly,appropriate objective functions and base learner parameters were selected. Then the model training and optimization were performed by a grid search algorithm to determine the key parameters of the base learner. Finally,the XGBoost model prediction performance was validated against an area of the sewage pipeline network in Zhongshan,Guangdong province. Moreover,the main factors and paths affecting defect probability were investigated based on the model output,and the defect probability of the sewage pipe network in the area was divided into 4 different levels for visualization.The results indicated that the average area under curve (AUC) of the XGBoost model was 0.97 under 10-fold cross-validation with a prediction accuracy of 93%. Pipeline depth,slope,and length had the greatest impact on the probability of pipeline defect. As the pipe length increases,the sewage pipe defect probability will increase if the slope becomes greater and the buried depth becomes shallower.
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为提高城市污水管道缺陷检测效率,减少地毯式检测带来的资源浪费,降低环境安全风险,利用极致梯度提升(XGBoost)模型预测城市污水管道缺陷发生概率。首先,统计分析污水管道缺陷成因,筛选出能够表征管道缺陷状况的关键性指标,作为XGBoost模型的输入;其次,选择合适的目标函数和基学习器参数,利用网格搜索算法寻优基学习器的关键参数,完成模型训练和优化;最后,以广东省中山市某区域污水管网数据为例,验证XGBoost模型的有效性,根据模型输出寻找影响缺陷发生的主要因素和路径,并将区域内污水管网的缺陷发生概率划分出4个不同等级后进行可视化展示。结果表明:XGBoost模型在10折交叉验证下的曲线下面积(AUC)均值达到0.97,模型的预测准确率为93%;管道埋深、坡度和长度3个特征对管道缺陷发生概率变化的影响程度最高;当管长增加,坡度越大、埋深越浅,污水管道发生缺陷的概率会随之增长。
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马辉 (1979—),女,山西太原人,博士,教授,主要从事工程项目可持续建设管理、绿色建筑运营与管理等方面的研究。E-mail:tdmahui@tju.edu.cn。
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马辉 (1979—),女,山西太原人,博士,教授,主要从事工程项目可持续建设管理、绿色建筑运营与管理等方面的研究。E-mail:tdmahui@tju.edu.cn。
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33 (2):23-30., articleTitle=Research on accident nisk identification and infuencing factors of bus drivers based on machine learning, refAbstract=null)], funds=[Fund(id=1167815867078291526, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, awardId=22YJCZH022, language=CN, fundingSource=教育部人文社科项目(22YJCZH022), fundOrder=null, country=null), Fund(id=1167815867183149127, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, awardId=2022SKYZ330, language=CN, fundingSource=天津市研究生科研创新项目(2022SKYZ330), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1167815862812684303, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, xref=null, ext=[AuthorCompanyExt(id=1167815862821072912, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, companyId=1167815862812684303, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Economics and Management,Tianjin Urban Construction University,Tianjin 300384,China), AuthorCompanyExt(id=1167815862837850129, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, companyId=1167815862812684303, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=天津城建大学 经济与管理学院,天津 300384)])], figs=[ArticleFig(id=1167815864616235052, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Fig.1, caption=
10 fold cross-validation model validation, figureFileSmall=caO+qCvm50cYhrVXOs6LVw==, figureFileBig=9m8U9V/Pj5Ztc9sKqcdWzw==, tableContent=null), ArticleFig(id=1167815864712704045, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=图1, caption=
基于10折交叉验证的模型效果评估, figureFileSmall=caO+qCvm50cYhrVXOs6LVw==, figureFileBig=9m8U9V/Pj5Ztc9sKqcdWzw==, tableContent=null), ArticleFig(id=1167815864763035694, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Fig.2, caption=
XGBoost prediction performance, figureFileSmall=S8NCmt2MVntwuigZdxRQJw==, figureFileBig=/De0BYKzrThe93gU0Hk/AA==, tableContent=null), ArticleFig(id=1167815864817561647, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=图2, caption=
XGBoost模型预测效果, figureFileSmall=S8NCmt2MVntwuigZdxRQJw==, figureFileBig=/De0BYKzrThe93gU0Hk/AA==, tableContent=null), ArticleFig(id=1167815864872087600, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Fig.3, caption=
Importance ranking of pipeline defect probability prediction process feature, figureFileSmall=EDTiKsnkhhozJaNLzAo08Q==, figureFileBig=6tm2MJvSBRym9HeB64i9oA==, tableContent=null), ArticleFig(id=1167815864968556593, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=图3, caption=
管道缺陷发生概率预测过程特征重要性排序, figureFileSmall=EDTiKsnkhhozJaNLzAo08Q==, figureFileBig=6tm2MJvSBRym9HeB64i9oA==, tableContent=null), ArticleFig(id=1167815865027276850, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Fig.4, caption=
Decision tree growth process, figureFileSmall=B2s5Cug5vSl0wE9yKSTZlA==, figureFileBig=e5gbmVKBVBZTH0PqpCwXyw==, tableContent=null), ArticleFig(id=1167815865111162931, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=图4, caption=
决策树生长过程, figureFileSmall=B2s5Cug5vSl0wE9yKSTZlA==, figureFileBig=e5gbmVKBVBZTH0PqpCwXyw==, tableContent=null), ArticleFig(id=1167815865195049012, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Fig.5, caption=
Probability prediction of sewage pipe network defects in a certain area of Zhongshan city, figureFileSmall=vpLeKORhS5eaEnJYZYvZ6A==, figureFileBig=muwi5/w5cpVoJsF1t0KxYw==, tableContent=null), ArticleFig(id=1167815865266352181, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=图5, caption=
中山市某区域污水管网缺陷发生概率预测, figureFileSmall=vpLeKORhS5eaEnJYZYvZ6A==, figureFileBig=muwi5/w5cpVoJsF1t0KxYw==, tableContent=null), ArticleFig(id=1167815865379598390, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Table 1, caption=
Sewage pipeline cause analysis
, figureFileSmall=null, figureFileBig=null, tableContent=
管道自身 性状 | 外部环境因素 | 管道运行 状况 |
| 地上 | 地下 |
管道年龄 管道直径 管道材料 管道长度 接口形式 管道坡度 安装质量 管道自重 | 地面荷载 人类活动 植被状况 自然状况 | 埋深 地下水位 土壤质地 土壤酸碱度 环境温度 垫层材料 | 负荷状况 水流速度 管内温度 管内水质酸碱度 污染物浓度 运维水平 |
), ArticleFig(id=1167815865467678775, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表1, caption=
污水管道缺陷成因分析
, figureFileSmall=null, figureFileBig=null, tableContent=
管道自身 性状 | 外部环境因素 | 管道运行 状况 |
| 地上 | 地下 |
管道年龄 管道直径 管道材料 管道长度 接口形式 管道坡度 安装质量 管道自重 | 地面荷载 人类活动 植被状况 自然状况 | 埋深 地下水位 土壤质地 土壤酸碱度 环境温度 垫层材料 | 负荷状况 水流速度 管内温度 管内水质酸碱度 污染物浓度 运维水平 |
), ArticleFig(id=1167815865564147768, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Table 2, caption=
Confusion matrix for binary classification model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 预测情况 | 真实情况 |
| 缺陷管道 | 正常管道 |
| 缺陷管道 | TP | FP |
| 正常管道 | FN | TN |
), ArticleFig(id=1167815865618673721, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表2, caption=
二分类模型的混淆矩阵
, figureFileSmall=null, figureFileBig=null, tableContent=
| 预测情况 | 真实情况 |
| 缺陷管道 | 正常管道 |
| 缺陷管道 | TP | FP |
| 正常管道 | FN | TN |
), ArticleFig(id=1167815865689976890, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Table 3, caption=
Basic data of sewage pipelines
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据来源 | 指标内容 | 指标参数形式 |
| 污水管网GIS数据库 | 管龄 | 连续型数据 |
| 管径 | 连续型数据 |
| 管材 | 分类型数据 |
| 管长 | 连续型数据 |
| 坡度 | 连续型数据 |
| 埋深 | 连续型数据 |
| 缺陷类型 | 分类型数据 |
| OpenStreetMap精准查询结果以及中山市兴趣点数据中有关道路类型的部分 | 道路类型 | 分类型数据 |
| 中国基本城市土地利用类型制图 | 用地类型 | 分类型数据 |
| Google Earth Engine土壤质地分类数据集以及中国科学院地理科学与资源研究所提供的中国土壤质地空间分布数据 | 土壤质地 | 分类型数据 |
), ArticleFig(id=1167815865853554747, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表3, caption=
污水管道基础数据资料
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据来源 | 指标内容 | 指标参数形式 |
| 污水管网GIS数据库 | 管龄 | 连续型数据 |
| 管径 | 连续型数据 |
| 管材 | 分类型数据 |
| 管长 | 连续型数据 |
| 坡度 | 连续型数据 |
| 埋深 | 连续型数据 |
| 缺陷类型 | 分类型数据 |
| OpenStreetMap精准查询结果以及中山市兴趣点数据中有关道路类型的部分 | 道路类型 | 分类型数据 |
| 中国基本城市土地利用类型制图 | 用地类型 | 分类型数据 |
| Google Earth Engine土壤质地分类数据集以及中国科学院地理科学与资源研究所提供的中国土壤质地空间分布数据 | 土壤质地 | 分类型数据 |
), ArticleFig(id=1167815865924857916, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Table 4, caption=
Pipe material digital code
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管道材质 | 混凝土 管道 | 高密度聚 乙烯管道 | 聚乙烯 管道 | 硬聚氯乙 烯管道 |
| 数字编码 | 1 | 2 | 3 | 4 |
), ArticleFig(id=1167815866000355389, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表4, caption=
管材数字编码
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管道材质 | 混凝土 管道 | 高密度聚 乙烯管道 | 聚乙烯 管道 | 硬聚氯乙 烯管道 |
| 数字编码 | 1 | 2 | 3 | 4 |
), ArticleFig(id=1167815866168127550, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Table 5, caption=
Booster parameters names and functions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 参数作用 |
| learning_rate | 该参数用于控制每一步迭代中模型参数的更新幅度 |
| n_estimator | 该参数表示要构建的树的数量,即最大迭代次数 |
| max_depth | 该参数定义了树的最大深度 |
| min_child_weight | 该参数用于控制树的生长 |
| subsample | 该参数指定了用于每次训练迭代的数据子集的比例 |
| colsample_bytree | 该参数用于控制每棵树在训练时随机采样的特征的比例 |
| gamma | 该参数用于控制树的生长,指定节点分裂所需的最小损失函数减少量 |
| lambda | 该参数用于L2正则化,防止过拟合 |
| scale_pos_weight | 该参数用于处理类别不平衡的问题 |
), ArticleFig(id=1167815866277179455, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表5, caption=
基学习器参数名称及作用
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| 参数名称 | 参数作用 |
| learning_rate | 该参数用于控制每一步迭代中模型参数的更新幅度 |
| n_estimator | 该参数表示要构建的树的数量,即最大迭代次数 |
| max_depth | 该参数定义了树的最大深度 |
| min_child_weight | 该参数用于控制树的生长 |
| subsample | 该参数指定了用于每次训练迭代的数据子集的比例 |
| colsample_bytree | 该参数用于控制每棵树在训练时随机采样的特征的比例 |
| gamma | 该参数用于控制树的生长,指定节点分裂所需的最小损失函数减少量 |
| lambda | 该参数用于L2正则化,防止过拟合 |
| scale_pos_weight | 该参数用于处理类别不平衡的问题 |
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Parameter setting and optimization results
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| 参数名称 | 范围 | 寻优步长 | 最优取值 |
| learning_rate | (0,1] | 0.1 | 0.23 |
| n_estimator | (0,1 000] | 10 | 180 |
| max_depth | (0,10] | 1 | 7 |
| min_child_weight | (0,10] | 1 | 1 |
| subsample | (0,1] | 0.1 | 1 |
| colsample_bytree | (0,1] | 0.1 | 1 |
| gamma | (0,10] | 0.1 | 0 |
| lambda | (0,10] | 0.1 | 1 |
| scale_pos_weight | (0,30] | 1 | 15 |
), ArticleFig(id=1167815866474311745, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表6, caption=
参数设置及寻优结果
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| 参数名称 | 范围 | 寻优步长 | 最优取值 |
| learning_rate | (0,1] | 0.1 | 0.23 |
| n_estimator | (0,1 000] | 10 | 180 |
| max_depth | (0,10] | 1 | 7 |
| min_child_weight | (0,10] | 1 | 1 |
| subsample | (0,1] | 0.1 | 1 |
| colsample_bytree | (0,1] | 0.1 | 1 |
| gamma | (0,10] | 0.1 | 0 |
| lambda | (0,10] | 0.1 | 1 |
| scale_pos_weight | (0,30] | 1 | 15 |
), ArticleFig(id=1167815866549809218, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Table 7, caption=
Confusion matrix
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| 预测标签 | 真实标签 |
| 缺陷管道样本 | 正常管道样本 |
| 缺陷管道样本 | 1 025 | 81 |
| 正常管道样本 | 9 | 193 |
), ArticleFig(id=1167815866709192771, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表7, caption=
混淆矩阵
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| 预测标签 | 真实标签 |
| 缺陷管道样本 | 正常管道样本 |
| 缺陷管道样本 | 1 025 | 81 |
| 正常管道样本 | 9 | 193 |
), ArticleFig(id=1167815866805661764, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=EN, label=Table 8, caption=
Classification of pipeline defect probability
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缺陷发生概 率等级 | 低概率 | 中低概率 | 中概率 | 高概率 |
缺陷发生 概率区间 | [0,0.25] | (0.25,5] | (5,0.75] | (0.75,1] |
), ArticleFig(id=1167815866923102277, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149735804651619091, language=CN, label=表8, caption=
管道缺陷发生概率等级划分
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缺陷发生概 率等级 | 低概率 | 中低概率 | 中概率 | 高概率 |
缺陷发生 概率区间 | [0,0.25] | (0.25,5] | (5,0.75] | (0.75,1] |
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