2024城镇排水防涝系统规划水力模型应用规范

城镇排水防涝系统规划水力模型城镇排水防涝系统规划水力模型应用规范目次1则 1总2语 2术3基规定 3模构建测试 444.1一目次1则 1总2语 2术3基规定 3模构建测试 444.1一规定 44.2资收集 44.3模构建 54.4模测试 85 参率定模型证 95.1一规定 95.2率与验标准 96模应用 117模成果制 127.1一规定 127.2专报告 127.3模附件 12附录A北市设降雨算方及附表 13附录B源减排施模构建 32本范用说明 35引标准录 364CONTENTSGeneralprovisions 11223Basicregulations 34Modeldevelopmentandtest 4CONTENTSGeneralprovisions 11223Basicregulations 34Modeldevelopmentandtest 44.1Generalregulation 44.2Datacollection 44.3Modeldevelopment 54.4Modeltest 85Parametercalibrationandmodelvalidation 95.1Generalregulation 95.2Calibrationandvalidationcriteria 96Modelapplication 117Formulationofmodelresults 127.1Generalregulation 127.2Specialreport 127.3Modelaccessories 12AppendixADesignrainfallandschedulesofbeijing 13AppendixBConstructionofsourcecontrolfacilitiesmodel 32Explanationofwordinginthiscode 35Listofquotedstandards 3651总则1.0.1为提升北京市城镇排水防涝系统规划设计工作科技水平和成果质量，指导和规范城镇雨洪模型应用技术方法，制定本标准。1.0.2本标准适用于北京市行政区域内新建、改建、扩建城镇排水防涝系统的规划和设计，以及内涝积水过程模拟与分析。1.0.3本标准规定了城镇排水防涝系统规划设计雨洪模型应用的基及模型成果编制等相关工作的指导。1.0.4城镇排水防涝系统规划设计雨洪模型除应符合本标准外，尚应符合国家及北京市现行有关标准的规定。1总则1.0.1为提升北京市城镇排水防涝系统规划设计工作科技水平和成果质量，指导和规范城镇雨洪模型应用技术方法，制定本标准。1.0.2本标准适用于北京市行政区域内新建、改建、扩建城镇排水防涝系统的规划和设计，以及内涝积水过程模拟与分析。1.0.3本标准规定了城镇排水防涝系统规划设计雨洪模型应用的基及模型成果编制等相关工作的指导。1.0.4城镇排水防涝系统规划设计雨洪模型除应符合本标准外，尚应符合国家及北京市现行有关标准的规定。12 术 语城镇雨洪模型urbanstormwatermodel2.0.1用于城镇排水（雨水）系统规划、设计及应用的数学模型，包括产流模型、汇流模型、管渠（河道）水动力模型及地表漫流模型等。2.0.2产流模型flowgenerationmodel形成地表径流过程的数学模型。2.0.3汇流模型flowroutingmodel过程的数学模型。2.0.4河道channel/riverhydrodynamicmodel2 术 语城镇雨洪模型urbanstormwatermodel2.0.1用于城镇排水（雨水）系统规划、设计及应用的数学模型，包括产流模型、汇流模型、管渠（河道）水动力模型及地表漫流模型等。2.0.2产流模型flowgenerationmodel形成地表径流过程的数学模型。2.0.3汇流模型flowroutingmodel过程的数学模型。2.0.4河道channel/riverhydrodynamicmodel2.0.5地表漫溢模型overlandflowmodel程的数学模型。2.0.6雨量径流系数volumetricrunoffcoefficient设定历时内降雨产生的径流总量与总降雨量之比。2.0.7洪峰流量径流系数peakrunoffcoefficient洪峰流量的径流强度与形成洪峰流量历时内平均降雨强度之比。2.0.8模型测试modeltest计算的稳定性进行评判的过程。2.0.9参数率定parametercalibration调整模型参数使模型模拟结果与监测数据相吻合的过程。2.0.10模型验证modelvalidation根据独立于参数率定选用的监测数据检查模型准确性的过程。23基本规定3.0.1考虑城镇范围内不同汇水区域地表渗透性能的差异、降雨时3.0.2根据规划设计不同阶段和模型应用目的，城镇排水防涝系统3基本规定3.0.1考虑城镇范围内不同汇水区域地表渗透性能的差异、降雨时3.0.2根据规划设计不同阶段和模型应用目的，城镇排水防涝系统防涝工程设计方案。3.0.3模型的构建和应用应明确规划设计工况、模型方法、参数选取和边界条件设置，并应开展模型的不确定性分析。34模型构建与测试4.1河道型构建方法及参数应参照附录4模型构建与测试4.1河道型构建方法及参数应参照附录B满足城镇排水防涝系统规划设计需求。4.1.2当模型资料范围和精度不能满足城镇排水防涝系统规划设计雨洪模型构建要求时，需开展补充测量和测验工作。4.2资料收集4.2.1模型基础数据资料宜包括降雨资料、地面高程资料、下垫面设施（位监测资料、设施运行资料和边界条件等。4.2.2模型应收集的降雨资料通常包括长序列历史降雨资料、场次监测降雨资料和合成设计降雨，并应符合下列规定：时间段内数据间隔不宜大于1小时；的一次降雨发生过程，数据间隔宜采用5-10分钟；合成设计降雨常用于分析一定重现期标准下的城市排水防涝5并应参照附录A44.2.3地面高程数据的精度应根据模型类型确定。详细模型的地面架模型不宜小于1:10000。4.2.412排水管渠（设施）资料宜包括：排水流域范围、边界条件及相应排水体制；运行管理数据；4.2.3地面高程数据的精度应根据模型类型确定。详细模型的地面架模型不宜小于1:10000。4.2.412排水管渠（设施）资料宜包括：排水流域范围、边界条件及相应排水体制；运行管理数据；4.2.5城镇河道（蓄涝区）资料宜包括：河道断面高程数据、河道断面分区粗糙系数；蓄涝区底部地形、水深-容积关系曲线；水闸、4.2.6流量和水位监测资料应符合现行国家标准《城市排水防涝设施数据采集与维护技术规范》GB/T51187的有关规定，并应符合下列规定：5min；4.3模型构建4.3.1模型数据整理与导入过程应包括数据导入模型软件、拓扑结设置等。54.3.2模型中的设计降雨应根据城市气象规律、汇水区域特征以及规划设计需求等综合确定，并应符合下列规定：1~3h，并应覆盖系统完整汇流时间，最小时间步长5min；5min；4.3.2模型中的设计降雨应根据城市气象规律、汇水区域特征以及规划设计需求等综合确定，并应符合下列规定：1~3h，并应覆盖系统完整汇流时间，最小时间步长5min；5min；4.3.3。表4.3.3产流模型方法及其参数选择表3模型验证相关标准和要求。4.3.4汇流模型选择及参数设置应符合下列规定：6产流模型方法方法概述主要参数固定径流系数法降雨落到地面后按照径流系数进行净雨量折减洪峰流量径流系数雨量径流系数径流系数修正系数降雨径流相关图法70毫米13场，12613个水文流量站，151建立以不透水面积百分比为参数的降雨径流相关图不透水面积比例次降雨量（mm）次径流深（mm）初损后损法降雨产流以前的总损失水量称为初损，通常包括植物截留、填洼及产流前下渗的水量；后损即流域产流后下渗的水量。通常将流域分为透水区域和不透水区域，认为在透水区域前、后损过程都会发生，而在不透水区域则只会发生前损植物截留量（mm）初始填洼量（mm）mm/h（如霍顿位线法等进行地表汇流模拟，方法涉及主要参数详见表4.3.4-1。表4.3.4汇流模型方法及其参数选择表3宜运用实测资料对汇流模型参数进行校正，并满足参数率定与模型验证相关标准和要求。（）管渠内的水流运动模拟应采用基于一维圣维南方程组的数值（表4.3.5-1、2选取；4.3.5-1不同类型材质的管渠粗糙系数（n值）取值表4.3.5-2不同表面特征的河道粗糙系数（n值）取值表7河道表面特征曼宁粗糙系数n抹光的水泥抹面0.012光滑的护面0.015粗糙的护面0.017紧密黄土或细石乐土渠，有薄淤泥层0.018管渠类别曼宁粗糙系数n管渠类别曼宁粗糙系数n混凝土管、钢筋混凝土管、水泥砂浆抹面渠道0.013~0.014位线法等进行地表汇流模拟，方法涉及主要参数详见表4.3.4-1。表4.3.4汇流模型方法及其参数选择表3宜运用实测资料对汇流模型参数进行校正，并满足参数率定与模型验证相关标准和要求。（）管渠内的水流运动模拟应采用基于一维圣维南方程组的数值（表4.3.5-1、2选取；4.3.5-1不同类型材质的管渠粗糙系数（n值）取值表4.3.5-2不同表面特征的河道粗糙系数（n值）取值表7河道表面特征曼宁粗糙系数n抹光的水泥抹面0.012光滑的护面0.015粗糙的护面0.017紧密黄土或细石乐土渠，有薄淤泥层0.018管渠类别曼宁粗糙系数n管渠类别曼宁粗糙系数n混凝土管、钢筋混凝土管、水泥砂浆抹面渠道0.013~0.014土明渠（包括带草皮）0.025~0.030水泥砂浆内衬球墨铸铁管0.011~0.012干砌块石渠道0.020~0.025石棉水泥管、钢管0.012浆砌块石渠道0.017UPVC管、PE管、玻璃钢管0.009~0.010浆砌砖渠道0.015汇流模型方法方法概述主要参数等流时线法将汇水区域划分成为有限个等流时块，每一个等流时块在汇流时段内的降雨径流累加到达出口断面汇流速度（汇流时间）汇流曲线类型非线性水库把地表汇流看作是非线性水库的调蓄过程特征宽度平均坡度地表粗糙系数时段单位线法单位时段均匀分布的单位净雨量在出口断面形成的流量过程线单位时段、单位净雨（力波方法进行模拟；河道河道4.4模型测试4.4.1在模型应用前，应对模型中排水防涝系统构成要素空间分布现场勘查、人工经验判断方式对发现的问题进行处理。4.4.2在模型应用前，应对模型运行的稳定性进行测试和修正，修正后模型应符合下列规定：12（力波方法进行模拟；河道河道4.4模型测试4.4.1在模型应用前，应对模型中排水防涝系统构成要素空间分布现场勘查、人工经验判断方式对发现的问题进行处理。4.4.2在模型应用前，应对模型运行的稳定性进行测试和修正，修正后模型应符合下列规定：1234模型计算应能够正常收敛，计算过程应基本稳定；10%；5%；式应符合实际情况或规划设计工况。8河道表面特征曼宁粗糙系数n0.020.0225良好的干砌石渠道，养护条件中等的土渠0.025养护条件低于一般标准的土渠0.0275条件较差的土渠0.03条件很恶劣的渠道（如断面不规则等）0.035条件异常恶劣的渠道（如有塌岸石块等）0.045参数率定与模型验证5.15.1.1参数率定与模型验证步骤应包括：足质量和数量要求；实测数据的拟合程度是否满足模型验证标准。5.1.2参数率定和模型验证数据可来自现场实测数据、调研数据、遥感数据等。5.1.3参数率定和模型验证前，应根据模型方法确定率定参数，并开展参数灵敏度分析。5.2率定与验证标准5.2.1基于实测数据进行参数率定和模型验证时，应满足至少两场独立降雨事件的模拟结果与实测数据拟合程度符合相应标准。5.2.2框架模型率定与验证时应确保模型模拟的内涝积水点覆盖常5参数率定与模型验证5.15.1.1参数率定与模型验证步骤应包括：足质量和数量要求；实测数据的拟合程度是否满足模型验证标准。5.1.2参数率定和模型验证数据可来自现场实测数据、调研数据、遥感数据等。5.1.3参数率定和模型验证前，应根据模型方法确定率定参数，并开展参数灵敏度分析。5.2率定与验证标准5.2.1基于实测数据进行参数率定和模型验证时，应满足至少两场独立降雨事件的模拟结果与实测数据拟合程度符合相应标准。5.2.2框架模型率定与验证时应确保模型模拟的内涝积水点覆盖常见积水点和关键区域易涝点。5.2.3概化模型率定与验证时，对于管渠（河道）水动力模型应以为目标函数，满足以下标准之一：1h25%；应小于0.5。5.2.4详细模型率定与验证时，对于管渠水动力模型除了满足第5.2.390.5m0.1m0.5m0.1m0.1m5.2.5基于规划设计数据构建城镇雨洪模型时，模型参数应根据相关规划设计工况和当地气候、地理、水文等条件合理确定。106模型应用6.0.1框架模型模拟对象包括地形等，模拟计算宜考虑排水防涝系用场景包括：1236.0.2辅助划定汇水区域范围，确定模型模拟边界；快速识别低洼易涝区域，快速评估城镇内涝风险；辅助编制总体规划方案。6模型应用6.0.1框架模型模拟对象包括地形等，模拟计算宜考虑排水防涝系用场景包括：1236.0.2辅助划定汇水区域范围，确定模型模拟边界；快速识别低洼易涝区域，快速评估城镇内涝风险；辅助编制总体规划方案。（6.0.3详细模型模拟对象包括地形、河道、蓄涝区、雨水管渠、雨6.0.16.0.2117模型成果编制7.17.1.17.1.2模型成果应包括模型专题报告及模型附件两部分。模型成果编制过程中应遵循“完整真实、简洁高效”的原则。7.27.2.1模型验证、模拟工况与模拟结果、模拟结果分析及应用结论等主要章节。7.37.3.1监测数据记录和模型过程数据。7.3.27模型成果编制7.17.1.17.1.2模型成果应包括模型专题报告及模型附件两部分。模型成果编制过程中应遵循“完整真实、简洁高效”的原则。7.27.2.1模型验证、模拟工况与模拟结果、模拟结果分析及应用结论等主要章节。7.37.3.1监测数据记录和模型过程数据。7.3.2模拟结果。7.3.37.3.4数设置表、时间序列数据表、其他数据记录。7.3.5结果数据图表。12附录AA.0.1DB11/T969A.0.2352段雨量分配表如下：A.1Ⅰ区短历时设计降雨不同时段雨量分配表（）13序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5113.64217.88316.06422.12516.67613.63713.93814.84919.241015.641121.781212.901310.991419.451525.731619.081720.231813.92198.582012.462147.4322100.002352.572438.542537.722623.742741.852826.692931.463038.503136.63附录AA.0.1DB11/T969A.0.2352段雨量分配表如下：A.1Ⅰ区短历时设计降雨不同时段雨量分配表（）13序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5113.64217.88316.06422.12516.67613.63713.93814.84919.241015.641121.781212.901310.991419.451525.731619.081720.231813.92198.582012.462147.4322100.002352.572438.542537.722623.742741.852826.692931.463038.503136.63A.2Ⅱ区短历时设计降雨不同时段雨量分配表（%）14序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5129.29239.69346.674100.00553.33634.55725.76849.88920.821041.021130.791228.191317.521415.061519.121626.121710.931811.251916.022014.862116.802213.882319.742418.712525.232615.732712.462816.762913.633016.193120.903218.21序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H53224.873314.613421.243519.633615.75A.2Ⅱ区短历时设计降雨不同时段雨量分配表（%）14序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5129.29239.69346.674100.00553.33634.55725.76849.88920.821041.021130.791228.191317.521415.061519.121626.121710.931811.251916.022014.862116.802213.882319.742418.712525.232615.732712.462816.762913.633016.193120.903218.21序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H53224.873314.613421.243519.633615.75A.0.3短历时设计降雨各历时雨量计算应根据现行北京市暴雨强度公I35降雨过程如下：A.33小时历时、5分钟步长设计降雨过程表单位：mm15时段10年一遇5年一遇3年一遇2年一遇10.190.170.140.1320.250.220.190.1730.230.190.170.1540.310.270.230.2150.240.200.180.1660.190.170.140.1370.250.220.190.1780.270.230.200.1890.480.410.360.31100.390.330.290.26110.540.460.400.36120.320.270.240.21130.270.230.200.18140.480.410.360.32150.980.840.730.65160.730.620.540.48170.770.660.580.51180.530.450.400.35190.330.280.240.22200.480.410.350.31215.784.934.303.802212.6910.829.448.35236.415.464.774.21243.222.752.402.12253.152.692.352.07261.981.691.481.31271.891.621.411.25281.211.030.900.79序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H53313.243412.883515.143619.64A.0.3短历时设计降雨各历时雨量计算应根据现行北京市暴雨强度公I35降雨过程如下：A.33小时历时、5分钟步长设计降雨过程表单位：mm15时段10年一遇5年一遇3年一遇2年一遇10.190.170.140.1320.250.220.190.1730.230.190.170.1540.310.270.230.2150.240.200.180.1660.190.170.140.1370.250.220.190.1780.270.230.200.1890.480.410.360.31100.390.330.290.26110.540.460.400.36120.320.270.240.21130.270.230.200.18140.480.410.360.32150.980.840.730.65160.730.620.540.48170.770.660.580.51180.530.450.400.35190.330.280.240.22200.480.410.350.31215.784.934.303.802212.6910.829.448.35236.415.464.774.21243.222.752.402.12253.152.692.352.07261.981.691.481.31271.891.621.411.25281.211.030.900.79序号H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H53313.243412.883515.143619.64A.43小时历时、5分钟步长设计降雨过程摘录表，单位：mm16时段10年一遇5年一遇3年一遇2年一遇12.942.492.161.8925.935.024.353.8237.936.725.825.11414.4512.2410.619.3159.067.676.655.8465.164.373.793.3273.853.262.822.4885.004.243.673.2292.091.771.531.35103.152.672.312.03112.362.001.731.52122.161.831.591.39132.041.731.501.32141.761.491.291.13152.231.891.641.44163.052.582.231.96171.271.080.940.82181.311.110.960.84191.431.211.050.92201.331.120.970.86211.501.271.100.97221.241.050.910.80231.761.491.291.14241.671.421.231.08251.861.571.361.20261.160.980.850.75270.920.780.670.59时段10年一遇5年一遇3年一遇2年一遇291.421.211.060.94301.140.970.850.75311.090.930.810.71320.740.630.550.49330.270.230.200.17340.390.330.290.25350.360.300.270.23360.290.240.210.19累积雨量A.43小时历时、5分钟步长设计降雨过程摘录表，单位：mm16时段10年一遇5年一遇3年一遇2年一遇12.942.492.161.8925.935.024.353.8237.936.725.825.11414.4512.2410.619.3159.067.676.655.8465.164.373.793.3273.853.262.822.4885.004.243.673.2292.091.771.531.35103.152.672.312.03112.362.001.731.52122.161.831.591.39132.041.731.501.32141.761.491.291.13152.231.891.641.44163.052.582.231.96171.271.080.940.82181.311.110.960.84191.431.211.050.92201.331.120.970.86211.501.271.100.97221.241.050.910.80231.761.491.291.14241.671.421.231.08251.861.571.361.20261.160.980.850.75270.920.780.670.59时段10年一遇5年一遇3年一遇2年一遇291.421.211.060.94301.140.970.850.75311.090.930.810.71320.740.630.550.49330.270.230.200.17340.390.330.290.25350.360.300.270.23360.290.240.210.19累积雨量50.2842.8737.4033.07A.0.42452时段雨量分配表如下：A.5Ⅰ区长历时设计降雨不同时段雨量分配表（%）17序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H510.3320.2330.3940.3650.4460.4970.3680.1690.23100.42110.29120.16130.26140.36150.21160.31170.93181.69191.43201.32211.61221.95231.01时段10年一遇5年一遇3年一遇2年一遇281.231.040.900.79291.000.850.740.65301.191.010.870.77311.321.120.970.85321.150.970.840.74330.840.710.610.54340.810.690.600.52350.960.810.700.62361.241.050.910.80累积雨量98.3583.2872.1763.35A.0.42452时段雨量分配表如下：A.5Ⅰ区长历时设计降雨不同时段雨量分配表（%）17序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H510.3320.2330.3940.3650.4460.4970.3680.1690.23100.42110.29120.16130.26140.36150.21160.31170.93181.69191.43201.32211.61221.95231.01时段10年一遇5年一遇3年一遇2年一遇281.231.040.900.79291.000.850.740.65301.191.010.870.77311.321.120.970.85321.150.970.840.74330.840.710.610.54340.810.690.600.52350.960.810.700.62361.241.050.910.80累积雨量98.3583.2872.1763.3518序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5240.86250.73260.93270.93281.43292.81303.42315.78325.17334.79341.21351.81361.89372.13382.58391.98402.89414.18425.784310.26445.93457.22464.79475.93486.23494.33508.06517.64529.03539.445410559.31566.67576.25587.36598.33609.72618.196213.646317.886416.066522.1218序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5240.86250.73260.93270.93281.43292.81303.42315.78325.17334.79341.21351.81361.89372.13382.58391.98402.89414.18425.784310.26445.93457.22464.79475.93486.23494.33508.06517.64529.03539.445410559.31566.67576.25587.36598.33609.72618.196213.646317.886416.066522.1219序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H56616.676713.636813.936914.847019.247115.647221.787312.97410.997519.457625.737719.087820.237913.92808.588112.468247.43831008452.578538.548637.728723.748841.858926.699031.469138.59236.639324.879414.619521.249619.639715.75983.72992.741002.431011.711021.621031.141041.661052.521061.811071.2819序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H56616.676713.636813.936914.847019.247115.647221.787312.97410.997519.457625.737719.087820.237913.92808.588112.468247.43831008452.578538.548637.728723.748841.858926.699031.469138.59236.639324.879414.619521.249619.639715.75983.72992.741002.431011.711021.621031.141041.661052.521061.811071.2820序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51083.281091.991101.571111.521121.471131.051141.5711511161.281172.521182.281192.761203.421213.81224.9412321240.621250.431260.481270.481280.711290.671300.711310.381320.381330.521340.381350.431360.331370.241380.11390.241400.291410.91420.191430.191440.241450.481460.671470.331480.381490.4320序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51083.281091.991101.571111.521121.471131.051141.5711511161.281172.521182.281192.761203.421213.81224.9412321240.621250.431260.481270.481280.711290.671300.711310.381320.381330.521340.381350.431360.331370.241380.11390.241400.291410.91420.191430.191440.241450.481460.671470.331480.381490.4321序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51500.381510.331520.381530.331540.431550.571560.371570.241580.321590.421600.371610.561620.6116311642.041657.791667.131675.041681.951693.991701.521712.041722.81730.81740.81750.571760.361770.421780.421790.441800.391810.311820.231830.161840.181850.211860.211870.161880.231890.231900.231910.1821序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51500.381510.331520.381530.331540.431550.571560.371570.241580.321590.421600.371610.561620.6116311642.041657.791667.131675.041681.951693.991701.521712.041722.81730.81740.81750.571760.361770.421780.421790.441800.391810.311820.231830.161840.181850.211860.211870.161880.231890.231900.231910.1822序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51920.311930.341940.361950.551960.291970.131980.131990.162000.262010.182020.262031.482040.882050.472060.342070.62081.792090.62100.292110.392120.212130.292140.862150.962160.472170.342180.362190.492200.62210.392220.472230.362240.72252.492265.482273.272281.32291.222300.72311.122321.532331.4322序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51920.311930.341940.361950.551960.291970.131980.131990.162000.262010.182020.262031.482040.882050.472060.342070.62081.792090.62100.292110.392120.212130.292140.862150.962160.472170.342180.362190.492200.62210.392220.472230.362240.72252.492265.482273.272281.32291.222300.72311.122321.532331.4323序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H52341.222350.752360.472370.342380.262390.232400.422410.652420.492430.442440.522450.472460.312470.442480.442490.342500.312510.362520.422530.392540.392550.552560.72570.752580.782590.522600.62610.862620.72631.432640.862650.732660.522670.832680.672690.912700.732711.122720.992730.522740.672751.1223序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H52341.222350.752360.472370.342380.262390.232400.422410.652420.492430.442440.522450.472460.312470.442480.442490.342500.312510.362520.422530.392540.392550.552560.72570.752580.782590.522600.62610.862620.72631.432640.862650.732660.522670.832680.672690.912700.732711.122720.992730.522740.672751.12A.6Ⅱ区长历时设计降雨不同时段雨量分配表（%）24序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H510.0020.0030.0040.0050.0060.0070.0080.0090.00100.00110.00120.00130.00140.00150.00160.00170.00180.02190.02200.02210.00220.01230.01240.01250.00序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H52761.172770.992782.992791.822800.522810.162820.622831.132841.052851.162860.412870.382880.18A.6Ⅱ区长历时设计降雨不同时段雨量分配表（%）24序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H510.0020.0030.0040.0050.0060.0070.0080.0090.00100.00110.00120.00130.00140.00150.00160.00170.00180.02190.02200.02210.00220.01230.01240.01250.00序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H52761.172770.992782.992791.822800.522810.162820.622831.132841.052851.162860.412870.382880.1825序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5260.00270.00280.08290.03300.01310.00320.19330.04340.03350.08360.02370.12380.28390.27400.27410.28420.03430.15440.40450.54460.36471.06481.46491.80501.84513.32528.16535.57545.08553.66563.89572.58582.20592.11602.41613.69623.86634.35644.20653.32662.62672.3225序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5260.00270.00280.08290.03300.01310.00320.19330.04340.03350.08360.02370.12380.28390.27400.27410.28420.03430.15440.40450.54460.36471.06481.46491.80501.84513.32528.16535.57545.08553.66563.89572.58582.20592.11602.41613.69623.86634.35644.20653.32662.62672.3226序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5681.28691.44700.79710.59720.40730.47740.92751.34760.50770.52780.45790.39800.47810.46820.41830.41840.47850.52860.52870.51880.73890.73900.73910.40920.39930.34940.34950.25960.25970.25980.25990.301000.071010.071020.081030.211040.231050.291060.371070.381080.371090.3026序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H5681.28691.44700.79710.59720.40730.47740.92751.34760.50770.52780.45790.39800.47810.46820.41830.41840.47850.52860.52870.51880.73890.73900.73910.40920.39930.34940.34950.25960.25970.25980.25990.301000.071010.071020.081030.211040.231050.291060.371070.381080.371090.3027序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51100.241110.511120.491130.171140.181150.181160.181170.181180.171190.121200.111210.061220.111230.171240.191250.281260.221270.271280.251290.081300.501310.361320.311330.311340.281350.291360.281370.301380.031390.031400.041410.031420.031430.031440.041451.591462.461470.711480.221490.211500.361511.8527序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51100.241110.511120.491130.171140.181150.181160.181170.181180.171190.121200.111210.061220.111230.171240.191250.281260.221270.271280.251290.081300.501310.361320.311330.311340.281350.291360.281370.301380.031390.031400.041410.031420.031430.031440.041451.591462.461470.711480.221490.211500.361511.8528序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51520.651530.391540.581550.951561.111572.351584.181593.621602.711610.961620.531630.461640.831650.751661.261671.601681.611691.181701.101710.961720.911730.831740.911750.851761.061771.041781.651791.231801.621813.401824.261831.131841.101850.901861.041870.961880.881891.481900.561910.631922.951933.7928序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51520.651530.391540.581550.951561.111572.351584.181593.621602.711610.961620.531630.461640.831650.751661.261671.601681.611691.181701.101710.961720.911730.831740.911750.851761.061771.041781.651791.231801.621813.401824.261831.131841.101850.901861.041870.961880.881891.481900.561910.631922.951933.7929序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51943.131953.731965.941974.661984.181993.592004.9420129.2920239.6920346.67204100.0020553.3320634.5520725.7620849.8820920.8221041.0221130.7921228.1921317.5221415.0621519.1221626.1221710.9321811.2521916.0222014.8622116.8022213.8822319.7422418.7122525.2322615.7322712.4622816.7622913.6323016.1923120.9023218.2123313.2423412.8823515.1429序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H51943.131953.731965.941974.661984.181993.592004.9420129.2920239.6920346.67204100.0020553.3320634.5520725.7620849.8820920.8221041.0221130.7921228.1921317.5221415.0621519.1221626.1221710.9321811.2521916.0222014.8622116.8022213.8822319.7422418.7122525.2322615.7322712.4622816.7622913.6323016.1923120.9023218.2123313.2423412.8823515.1430序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H523619.6423713.1923816.1923917.9224011.332417.712427.592435.302445.372453.182464.002473.642484.582494.912504.192515.222525.122533.842544.522554.542564.052573.242583.262594.262604.702614.862623.852632.532641.632651.542661.682671.432681.232692.092701.822711.402721.392731.902741.092751.782763.182771.6730序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H523619.6423713.1923816.1923917.9224011.332417.712427.592435.302445.372453.182464.002473.642484.582494.912504.192515.222525.122533.842544.522554.542564.052573.242583.262594.262604.702614.862623.852632.532641.632651.542661.682671.432681.232692.092701.822711.402721.392731.902741.092751.782763.182771.67A.0.5长历时设计降雨各历时雨量大小应根据现行《北京市水文手册24小时设计降雨量如下：A.724小时设计降雨量表单位：mm31地区20年30年50年100年200年中心城区265299343405465城市副中心239269306358408新城顺义251283324383440亦庄242272309361412大兴239269305356405昌平261297343408473房山249279316370421门头沟289328378450521怀柔270306351416480密云235264300351400平谷230259294344392延庆148166189220251序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H52782.112791.642800.832811.042821.082831.302841.412851.772861.552871.032880.79A.0.5长历时设计降雨各历时雨量大小应根据现行《北京市水文手册24小时设计降雨量如下：A.724小时设计降雨量表单位：mm31地区20年30年50年100年200年中心城区265299343405465城市副中心239269306358408新城顺义251283324383440亦庄242272309361412大兴239269305356405昌平261297343408473房山249279316370421门头沟289328378450521怀柔270306351416480密云235264300351400平谷230259294344392延庆148166189220251序号H1440-H720H720-H360H360-H240H240-H180H180-H150H150-H120H120-H90H90-H60H60-H45H45-H30H30-H15H15-H5H52782.112791.642800.832811.042821.082831.302841.412851.772861.552871.032880.79附录B源头减排设施模型构建B.0.1（GB51222-2017）的相关规定，源头减排设施可分为：123B.0.2渗透设施：透水路面、绿色屋顶、下凹式绿地、生物滞留设施；转输设施：植草沟、渗透管渠；调蓄设施。依据源头减排设施类型，其模型宜包括：生物滞留、雨水花园、7蓄、渗透及蒸发等水文过程的概化，结合汇流模型和水质模型，实现源头减排设施对径流量、峰值流量及径流污染控制效果的模拟。B.0.3壤层、蓄水层、排水材料层和管渠层组合构建形成，各单体模块的结构组成表如下：表B.1源头减排设施模型各单体模块结构组成表注注：√为必选，＊为可选。B.0.4源头减排设施模型各结构层主要参数见表B.2，其各项参数应根据实测资料或设计施工图纸确定，缺乏资料时，可参照表B.3-B.9选取。表B.2源头减排设施模型各结构层主要参数表32结构层参数/单位表面层护坡高度／ｍｍ植被容积表面粗糙度表面坡度（斜坡）蓄水层厚度／ｍｍ孔隙比渗透率堵塞因子路面透水层厚度／ｍｍ单体模块表面层路面透水层土壤层蓄水层排水材料层管渠层生物滞留池√√√＊雨水花园√√绿色屋顶√√√渗透渠√√＊透水铺装√√＊√＊雨水桶√植草沟√附录B源头减排设施模型构建B.0.1（GB51222-2017）的相关规定，源头减排设施可分为：123B.0.2渗透设施：透水路面、绿色屋顶、下凹式绿地、生物滞留设施；转输设施：植草沟、渗透管渠；调蓄设施。依据源头减排设施类型，其模型宜包括：生物滞留、雨水花园、7蓄、渗透及蒸发等水文过程的概化，结合汇流模型和水质模型，实现源头减排设施对径流量、峰值流量及径流污染控制效果的模拟。B.0.3壤层、蓄水层、排水材料层和管渠层组合构建形成，各单体模块的结构组成表如下：表B.1源头减排设施模型各单体模块结构组成表注注：√为必选，＊为可选。B.0.4源头减排设施模型各结构层主要参数见表B.2，其各项参数应根据实测资料或设计施工图纸确定，缺乏资料时，可参照表B.3-B.9选取。表B.2源头减排设施模型各结构层主要参数表32结构层参数/单位表面层护坡高度／ｍｍ植被容积表面粗糙度表面坡度（斜坡）蓄水层厚度／ｍｍ孔隙比渗透率堵塞因子路面透水层厚度／ｍｍ单体模块表面层路面透水层土壤层蓄水层排水材料层管渠层生物滞留池√√√＊雨水花园√√绿色屋顶√√√渗透渠√√＊透水铺装√√＊√＊雨水桶√植草沟√B.3绿色屋顶参数取值参考B.4生物滞留设施参数取值参考B.5植草沟参数取值参考33参数范围（m）蓄水层深度0.15-0.25宽度0.5-2.0表面坡度（%）0.3-5.0边坡坡度（水平：垂直）2.5:1-4:1表面糙度（n）0.03-0.2参数范围（mm）蓄水层深度200-300土壤层厚度300-1000土壤层饱和导水率（mm/h)50-150孔隙率0.4-0.6田间持水量0.10-0.25凋萎点0.04-0.15排水砾石层深度200-300参数范围（mm)土壤层厚度300-600孔隙率0.5-0.6田间持水量0.3-0.4凋萎点0.05-0.2B.3绿色屋顶参数取值参考B.4生物滞留设施参数取值参考B.5植草沟参数取值参考33参数范围（m）蓄水层深度0.15-0.25宽度0.5-2.0表面坡度（%）0.3-5.0边坡坡度（水平：垂直）2.5:1-4:1表面糙度（n）0.03-0.2参数范围（mm）蓄水层深度200-300土壤层厚度300-1000土壤层饱和导水率（mm/h)50-150孔隙率0.4-0.6田间持水量0.10-0.25凋萎点0.04-0.15排水砾石层深度200-300参数范围（mm)土壤层厚度300-600孔隙率0.5-0.6田间持水量0.3-0.4凋萎点0.05-0.2饱和导水率（mm/h)100-300排水层厚度20-50孔隙比渗透系数堵塞因子土壤层厚度／ｍｍ空隙度持水率枯萎点导水率导水坡度吸水高度／ｍｍ排水材料厚度／ｍｍ孔隙比粗糙度管渠层流量系数流量指数偏移高度／ｍｍB.6下凹式绿地参数取值参考B.7透水铺装参数取值参考B.8不同土壤类型参数取值参考34土壤类型土壤空隙度持水率枯萎点导水率mm/h砂土壤土黏质壤土砂质黏土粉质黏土黏土0.4370.4370.4530.4630.5010.3980.4640.4710.4300.4790.4750.0620.1050.190.232B.6下凹式绿地参数取值参考B.7透水铺装参数取值参考B.8不同土壤类型参数取值参考34土壤类型土壤空隙度持水率枯萎点导水率mm/h砂土壤土黏质壤土砂质黏土粉质黏土黏土0.4370.4370.4530.4630.5010.3980.4640.4710.4300.4790.4750.0620.1050.190.2320.2840.2440.310.3420.3210.3710.3780.0240.0470.0850.1160.1350.1360.1870.2100.2210.2510.265120.39629.97210.9223.3026.6041.5241.0161.0160.5080.5080.254参数范围（mm)铺装厚度75-200面层渗透性（mm/h）500-3500渗透性（mm/h)125-3500砂滤层厚度300-500砂滤层孔隙率0.4-0.6砂滤层饱和导水率（mm/h)100-200参数范围（mm)蓄水层深度50-150饱和导水率（mm/h)50-150孔隙率0.4-0.6本规范用词说明1明如下：1）表示很严格，非这样做不可的用词：本规范用词说明1明如下：1）表示很严格，非这样做不可的用词：4）2本规范中指明应按其他有关标准执行的写法为“应符合……的规定”35引用标准名录123《城市排水防涝设施数据采集与维护技术规范》GB/T《城镇内涝防治技术规范》GB51222引用标准名录123《城市排水防涝设施数据采集与维护技术规范》GB/T《城镇内涝防治技术规范》GB51222《城镇雨水系统规划设计暴雨径流计算标准》DB11/T5118796936北京市地方标准城镇排水防涝系统规划水力模型应用规范CodeforapplicationofstormwaterfloodmodelinurbandrainageandurbanfloodcontrolsystemplanninganddesignDB11/T xxxx—北京市地方标准城镇排水防涝系统规划水力模型应用规范CodeforapplicationofstormwaterfloodmodelinurbandrainageandurbanfloodcontrolsystemplanninganddesignDB11/T xxxx—20xx条文说明20xx 北京37目次1总 则 39基本规定 4034模型构建与测试 414.1一规定 414.2资收集 41目次1总 则 39基本规定 4034模型构建与测试 414.1一规定 414.2资收集 414.3模构建 44模测试 544.45参数率定与模型验证 565.1一规定 565.2率与验标准 576模型应用 59模型成果编制 6277.1一规定 627.2专报告 627.3模附件 63381总则（雨水1总则（雨水作。（雨水）防涝系规划设计计算。但针对新建项目，其规划设计的场景是由一系列设计参数组合而成的特殊场景，是来自于实践的经验总结，可通过实际降雨径流事件进行类比、评估，不断修正设计参数，而无法通过“参数率定与模型验证”进行模型分析成果的修正和验证。这种思路适用于新建工程的规划设计计算。（雨水（雨水数。GB50014《城镇内涝防治技术规范》GB51222GB50318GB/T51187GB/TT/CECS647DB11/685。393基本规定规定城镇排水防涝系统规划设计雨洪模型应用的前提条件。我国目前采用推理公式计算雨水设计流量。流推理公式基于以下假设：降雨在整个汇水面积上的分布是均匀的；降雨强度在选定的降雨时段内恒定不变；汇水面积随汇流时间增长的速度为常数，因此推理公式适用于较小规模排水系统的设计计算，当应用于较大规模排水系统的设计计算时会产生较大误差。随着技术的进步，管渠直径的增大、水泵能力的提高，排水系统汇水面积逐步扩大，排水系统区域内往往存在地表渗透性能差异较大、降雨在时空分布的不均匀、管网汇流过程较为复杂等情况。发达国家已采用数值模型分析城市雨洪形成、发展和消退的整个过程，把城镇排水防涝系统作为一个整体考虑，并利用城镇雨洪模型技术进行相关工程的规划、设计和运行管理。3基本规定规定城镇排水防涝系统规划设计雨洪模型应用的前提条件。我国目前采用推理公式计算雨水设计流量。流推理公式基于以下假设：降雨在整个汇水面积上的分布是均匀的；降雨强度在选定的降雨时段内恒定不变；汇水面积随汇流时间增长的速度为常数，因此推理公式适用于较小规模排水系统的设计计算，当应用于较大规模排水系统的设计计算时会产生较大误差。随着技术的进步，管渠直径的增大、水泵能力的提高，排水系统汇水面积逐步扩大，排水系统区域内往往存在地表渗透性能差异较大、降雨在时空分布的不均匀、管网汇流过程较为复杂等情况。发达国家已采用数值模型分析城市雨洪形成、发展和消退的整个过程，把城镇排