新建塘坝马鞍山灌区设计总说明

设计总说明一、工程概况新建塘坝马鞍山灌区，项目地点为塘坝镇，设计取水河流为塘坝河，设计新增灌面4224亩，取水泵站设计流量为1020m3/h，单泵设计流量为510m3/h，一级提升泵站总扬程120米，净扬程108米，扬水管总长1067米；二级增压泵站设计流量1020m3/h，总扬程78米，净扬程68.9米，扬水管总长1031米；灌区总面积5296亩，新增灌面面积4224亩，改善灌面1947亩，恢复灌面面积603亩。灌溉服务区域：李家湾、灵官庙、黑漆房子、刘家湾、马桑湾等。二、设计依据1、文件及相关依据（1）《灌溉发展中心关于编制2023-2025年中型灌区续建配套与节水改造项目实施方案有关技术要求的函》（中灌节水函〔2022〕39号）；2、相关规范：（1）《水利水电工程等级划分及洪水标准》SL252-2017；（2）《灌溉与排水工程设计标准》GB50288-2018；（3）《防洪标准》GB50201—2014；（4）《节水灌溉工程技术标准》GB/T50363-2018；（5）《渠道防渗工程技术规范》SL18-2004；（6）《灌溉与排水工程设计标准》（GB2088-2018）；（7）《水利水电工程设计工程量计算规定》SL328-2005；（8）《水工混凝土结构设计规范》SL191-2008；（9）《水工挡土墙设计规范》SL379—2007；（10）《村镇供水工程技术规范》（SL310-2019）；（11）《水利水电工程压力钢管设计规范》（SL/T281-2020）；（12）《灌溉与排水渠系建筑物设计规范》(SL482-2011)；（13）《渠系工程抗冻胀设计规范》（SL23-2006）；（14）《水利水电工程施工组织设计规范》（SL303—2017）；（15）《管道输水灌溉工程技术规范》（GB/T20203-2017）。3、工程建设标准强制性条文执行情况设计中严格执行《水利工程建设标准强制性条文》（2020版），主要执行的条文如下：（1）《防洪标准》（GB50201-2014）第6.4.2条。（2）《水利水电工程等级划分及洪水标准》（SL252-2017）第3.0.1条，第3.0.2条，第4.6.1条。（3）《灌溉与排水工程设计标准》（GB50288-2018）第20.4.2条，第20.4.3条。（4）《水工混凝土结构设计规范》（SL191-2008）第9.2.1条，第9.5.1条，第9.6.6条。（5）《水利水电工程施工组织设计规范》（SL303-2004）第3.2.6条，第3.2.12条。（6）《水工挡土墙设计规范》（SL379-2007）第3.1.1条，第3.2.2条，第3.2.7条，第3.2.8条，第3.2.12条，第6.3.1条。（7）《水利水电工程设计防火规范》（SDJ278-90）第3.2.2条。三、设计标准根据《水利水电工程等级划分及洪水标准》（SL252-2017），确定本工程规模为小（2）型，其工程等别为V等，其主要建筑物按5级设计，次要及临时建筑物按5级设计，据村民反映2018年水位急剧增高，考虑到塘坝河水位变幅较大，提水泵站设计洪水取50年一遇考虑。主要建筑物类型为泵站、管道等。设计流量、工程规模、装机容量均小于5级水利工程规定。四、主要建设内容主要建设内容包括：管线工程：本项目共新建灌溉扬水焊接钢管管道DN450共2173m，自流PE管道De160~De600共1796m。新建高位水池500m³，排气井6座，排泥井7座，阀门井21座。泵站工程：新建塘坝镇马鞍山灌区，项目地点为塘坝镇，设计取水河流为塘坝河，设计新增灌面4224亩，取水泵站设计流量为1020m3/h，单泵设计流量为510m3/h，一级提升泵站总扬程120米，净扬程108米，扬水管总长1067米；二级增压泵站设计流量1020m3/h，总扬程78米，净扬程68.9米，扬水管总长1031米；新建1#水泵机组，300SH120，扬程120m，流量510m3/h,电机N=315kW，n=1480r/min,U=0.38kV,功率因数≥0.90，效率≥93.6%，F级绝缘；新建2#水泵机组，300SH120，扬程120m，流量510m3/h,电机N=315kW，n=1480r/min,U=0.38kV,功率因数≥0.90，效率≥93.6%，F级绝缘。二级增压泵站采用一体化增压泵站，采用无负压罐，设计流量1020m3/h，总扬程78米，净扬程68.9米，扬水管总长1031米；新建两台水泵机组，IS200-530(I)，电机N=280kW，成套设备包含内容详见清单。工程地质1、工程基本地质条件1.1地形地貌本区位于四川盆地东南部，地形上主要呈现狭长条形山脉与谷地相间的“平行岭谷”景观，地形地貌主要受控于构造及岩性，山脉多平行于构造线展布，巴岳山（西山）及毓青山（东山）呈NE～SW向排列于本区东南部。巴岳山最高峰为弦天馆，高程794m，一般山顶高程480～700m；巴岳山两侧多为浅丘，地势较为平缓，高程250～350m，相对高差200～500m，属于浅丘及低山地貌区。本区地势东南高西北低，巴岳山玉龙场以南为一带状岩溶溶蚀洼地，整个山体表现为“一山二岭一槽”的地貌特征。巴岳山北西侧均为浅丘，高程250～350m，相对高差小于100m。区内较大的河流有涪江、小安溪、平滩河、谭家坝河、塘坝河、琼江河、鹭鸶河、狮子明水库、别口乡杨家沟水库，上述河流均属涪江支流。巴岳山南侧以丘陵地貌为主，受区域构造控制，中低山多呈北北东向排列，河流亦具北北东向的纵向河谷特征。低山馒头形矮丘与舒缓的浅沟及较开阔的平地相间分布，丘陵此起彼伏，连绵不断。山顶高程一般在300m以下，相对高差30～50m。属构造剥蚀、侵蚀地貌。1.2地层岩性本区出露地层主要为中生界侏罗系、三迭系地层。侏罗系地层为以内陆河湖相沉积为主的红色碎屑岩系，三迭系地层为海相及海陆交互相沉积的碳酸岩。侏罗系地层主要分布在西山背斜及沥鼻峡背斜两翼浅丘地带，三迭系地层分布于西山背斜及沥鼻峡背斜核部及附近。第四系零星分布在背斜两翼相对低洼部位及溶蚀洼地内，一般厚度不大，见下表2。表2区域地层简表界系统组地层代号地层厚度（m）岩性简述新生界第四系全新统Q4<10残坡积、崩坡积：岩性主要为粉质黏土、粉质黏土夹碎块石。冲积：粉质黏土、卵石土。更新统Q20～10IV、V级阶地冲积层。中生界侏罗系上统遂宁组J3sn200～600砖红色、鲜红色、紫红色钙质泥岩、粉砂质钙质泥岩、粉砂岩，夹黄灰、紫红色中～厚层状细粒长石石英砂岩、细粒钙质长石砂岩。蓬莱镇组J3p124～1300紫红色泥岩、钙质粉砂质泥岩、泥岩为主，夹灰白色细～中粒长石石英砂岩及岩屑长石砂岩。浅灰、灰白色厚层细粒岩屑长石石英砂岩及长石砂岩为主，夹紫红色含钙质及钙质结核的泥岩及粉砂岩。中统沙溪庙组J2s1324～996暗紫红色、紫红色砂质泥岩、泥岩与灰岩、灰紫色长石砂岩、粉砂岩互层，上部和下部砂岩发育1.3地质构造工程区位于扬子准地台（Ⅰ级）四川台坳（Ⅱ级）川中台拱（Ⅲ级），南侧与川东陷褶束（Ⅲ级）中泸州凸褶束（Ⅵ级）相毗邻，构造线走向与山脉走向基本一致，由一系列NE—NNE近于平行的狭长不对称褶皱组成，背斜成山较狭窄，向斜成谷较开阔，具有隔挡式褶皱之特点，背斜轴部一般较平缓，翼部较陡，且背斜轴部起伏较大，形成多个独立高点。断层主要发育在背斜轴部和倾伏端，以及轴线弯曲和轴面扭曲地带。断裂多为高角度走向逆冲断层，且多为南东东向北西西逆冲，压性特征较明显。图3-1区域构造单元划分据《中国地震动反应谱特征周期区划图》和《中国地震动峰值加速度区划图》（GB18306-2001图A1），本区地震动反应谱特征周期为0.35S，地震动峰值加速度为0.05g，相应地震基本烈度为Ⅳ度区。本区规模较大的褶皱主要为大石桥背斜、古楼场向斜、中心镇背斜、龙凤场向斜（见图3.2-2场地构造纲要图）。图3-2场地构造纲要图1.4物理地质现象场地地形地质条件较简单，场内无大的无断裂构造存在，工程区设防烈度为Ⅵ度，对工程基本无影响。地震动峰值加速度为0.05g（对应地震基本烈度为Ⅵ度），因此，场地区域构造稳定较好。场地内无大型滑坡、崩塌及泥石流等危及工程安全的严重不良地质现象存在；第四系孔隙水是场地主要地下水，对砼不具腐蚀性；尽管场地内第四系覆盖层局部厚度变化大，其物理力学性能也有较大差别，但只要根据岩土特性采取相应的工程措施，就可以一一解决，从而保证工程安全。因此，场地的整体稳定性良好，适应兴建给水管工程。1.5水文地质条件地下水按赋存条件分为基岩裂隙水和孔隙水两种类型，前者主要赋存于基岩裂隙中，水量不丰，无统一地下水位，受大气降水补给。松散介质孔隙水分布于第四系松散堆积层中，地下水位与河水位基本相近，与河水水力联系密切，主要接受大气降水和河水补给，水力坡降平缓，主要赋存于河流冲积层中。据本阶段水质分析试验成果（见表5-1），地表水的水质类型为HCO3－—Ca2+型水，PH值8.27。根据《水利水电工程地质勘察规范》（GB50487-2008）中环境水腐蚀判别标准，地表水对混凝土结构、钢结构等无腐蚀性。表5-1水质简分析成果表水样编号水类型离子含量(mg/l)总硬度(mg/l)总碱度(mg/l)侵蚀性CO2(mg/l)游离CO2(mg/l)PH值Na++k+Ca2+Mg2+Cl－SO42－HCO3－河水5.8544.781.86.3619.0127.09147.4548.272.1土体的工程地质特性根据地表地质测绘及调查，工程区内出露第四系人工堆积层(Q4S)、残坡积层粉质黏土(Q4eld)、第四系更新统Ⅳ、Ⅴ阶地冲洪积层卵石土(Q2alp)，以及侏罗系上统遂宁组（J3s）、侏罗系上统蓬莱镇组（J3p）及侏罗系中统沙溪庙组（J2s），现分述如下：（1）第四系人工堆积层(Q4S)：主要为素填土，由粉质粘土、砂土夹块碎石、卵砾石组成，结构松散～稍密，厚度1.0～3.5m；第四系人工堆积层主要分布于乡村公路及居住区。（2）第四系残坡积堆积层(Q4el+dl)淤泥质粉质黏土：灰褐色，呈流塑、软塑状，干强度中等，韧性中等，刀切面较光滑，无摇振反应。主要分布在水田、沟槽、水塘及鱼塘，揭露一般厚度为0.50～2.50m。粉质黏土：黄褐色、灰褐色，呈可塑状、硬塑状，切面较光滑，干强度较高，韧性较高，无摇振反应，厚度约1.0～12.50m，该层分布范围大，整个场地多数区域分布该层。（3）第四系更新统Ⅳ、Ⅴ阶地冲洪积层(Q4alp)砂卵砾石：杂色，主要由卵砾石、粉细砂组成。卵砾石成分主要为砂岩、页岩和少量灰岩，磨圆度差，呈片状及椭圆状，卵石含量50～70%，砾石含量20～30%，中粗砂含量10～20%。湿～饱和，上部结构松散，中下部稍密～密实。厚度大于2m，主要分布涪江周边，本次勘察主要分布在玉溪镇小型灌区，其余乡镇未见该层。（4）侏罗系上统遂宁组（J3sn）泥岩（J3sn-Ms）：紫红色、棕红色，泥质结构，薄-中厚层状构造，主要矿物成份以粘土矿物为主。强风化层岩芯较破碎，呈碎块状。中风化层岩芯较完整，呈柱状及少量碎块状。局部见有灰色砂质条带。其风化层变化较大，由于局部矿物成分不均一所致。为勘察区内主要岩性。砂岩（J3sn-Ss）：灰白色、紫红色，中-细粒结构，中-厚层状构造，主要矿物成份以长石、石英为主。强风化层岩芯较破碎，呈碎块状。中风化层岩芯较完整，呈柱状及少量碎块状。与泥岩呈夹层状产出。为勘察区内次要岩性。（5）侏罗系上统蓬莱镇组（J3p）泥岩（J3p-Ms）：紫红色，泥质结构，薄-中厚层状构造，主要矿物成份以粘土矿物为主。强风化层岩芯较破碎，呈碎块状。中风化层岩芯较完整，呈柱状及少量碎块状。其风化层变化较大，由于局部矿物成分不均一所致。为勘察区内主要岩性。砂岩（J3p-Ss）：浅灰、灰白色，中-细粒结构，厚层状构造，主要矿物成份以长石、石英为主。强风化层岩芯较破碎，呈碎块状。中风化层岩芯较完整，呈柱状及少量碎块状。夹灰白色细～中粒长石石英砂岩及岩屑长石砂岩，该层主要出露在卧佛镇天台山附近。（6）侏罗系中统沙溪庙组（J2s）泥岩(J2s-Ms)：紫红色。由粘土矿物组成。泥质结构，薄层～中厚层状构造。强风化岩体质软，岩芯呈土～碎块状，中风化岩体岩芯呈柱状，较完整，泥质胶结，局部含砂质较重。该层广泛分布于场地，为本场地主要岩层。砂岩(J2s-Ss)：灰白色~灰色。由石英、长石、云母及少量暗色矿物组成，中粒结构,厚～巨厚层状构造，泥质～钙质胶结。强风化岩体质软,岩芯呈碎块状，中风化岩体岩芯呈柱状，较完整，局部含泥质较重。该层广泛分布于场地，为本场地主要岩层。2.2渠系岩土、体物理力学参数建议值土层（Q）计算参数建议值表岩土名称密度(g/cm3)承载力（Kpa）渗透系数（cm/s）天然固结快剪饱和固结快剪不冲流速坡脚土壤计算粒径天然饱和C(Kpa)Φ(°)C(Kpa)Φ(°)6m/Scm填土2.032.05805×10-40.022.00.017.0淤泥质粉质黏土19.920.5508×10-6////粉质粘土1.961.991208×10-612.019.010.017.00.64卵石土2.22.255004×10-2028027.01.27岩石参数表岩石名称中风化天然含水量(%)密度(g/cm3)抗拉强度(MPa)抗剪强度承载力特征值(KPa)基底摩擦系数天然抗压平均值(MPa)饱和抗压平均值(MPa)平均值平均值fC(kPa)天然饱和泥岩4.42.554.432.452.470.160.8351250(强风化)800(弱风化)0.35(强)0.40(弱)砂岩10.58.525.5025.00.351.5480300(强风化)1200(弱风化)0.40(强)0.45(弱)六、新建管道及高位水池设计6.1管道设计本项目共新建扬水管道管道2条，长度共计2199m。新建管道从新建高位水池引水，进水口设置于高位水池底部以上约1.6m位置，进口设置拦污网。并在高位水池旁设置节制闸阀门、阀门井，用于控制管道输水。管材选用无缝钢管管，埋管方式敷设，一般管段埋置深度不小于0.7m。穿路段管道设置钢筋砼预制管（平口Ⅱ级管）作为套管，并对路面进行修复处理。管道管道沿线地势较高位置设置排气阀，在地势较低位置设置排泥阀。在地势起伏较大管段及管道转弯处设置镇墩，镇墩设置按实际情况布置，采用C25砼，包管厚度为0.2m。6.1.2管道计算：按照最不利点计算，根据柯尔－勃洛克公式：I=λ*V^2/(2.0*g*D)1.0/λ^0.5=-2.0*lg[k/(3.7*D)+2.5/(Re*λ^0.5)]Re=V*D/ν计算温度：10，ν=0.000001\t"/item/%E6%B5%B7%E6%9B%BE%E5%A8%81%E5%BB%89%E5%85%AC%E5%BC%8F/_blank"局部损失系数：1.20表6.1.1扬水管计算（一级泵站至二级泵站）平差计算节点参数节点编号流量(L/s)地面标高(m)节点水压(m)自由水头(m)JS1-282.140259.660356.20396.543JS20.000263.946355.94792.001JS30.000271.121355.76984.648JSPQ40.000273.967355.37281.405JSPN50.000271.535355.07883.543JS60.000273.088354.77581.687JSPQ70.000280.599354.29173.692JS80.000273.076354.06180.985JS90.000271.245353.89982.654JS100.000271.111353.74582.634JS110.000272.085353.53181.446JS120.000272.563353.38680.823JS130.000274.054353.20179.147JS140.000274.925353.08678.161JS150.000276.241352.90876.667JS160.000276.125352.70476.579JS170.000276.988352.56675.578JS180.000278.252352.33274.080JS190.000282.175352.15269.977JS200.000288.647351.89663.249JS210.000294.821351.75056.929JS220.000300.532351.38450.852JS230.000308.577351.07242.495JS240.000314.180350.87136.691JS250.000320.703350.65129.948JS260.000326.537350.35923.822JS270.000333.991350.12116.130JS280.000343.338349.8476.509JS29282.140344.591349.5915.000平差计算管道参数管道编号管径(mm)管长(m)流量(L/s)流速(m/s)千米损失(m)管道损失(m)JS1-JS245040.000282.1401.6836.4020.256JS2-JS345027.911282.1401.6836.4020.179JS3-JSPQ445061.937282.1401.6836.4020.397JSPQ4-JSPN545045.899282.1401.6836.4020.294JSPN5-JS645047.305282.1401.6836.4020.303JS6-JSPQ745075.722282.1401.6836.4020.485JSPQ7-JS845035.783282.1401.6836.4020.229JS8-JS945025.443282.1401.6836.4020.163JS9-JS1045024.008282.1401.6836.4020.154JS10-JS1145033.365282.1401.6836.4020.214JS11-JS1245022.627282.1401.6836.4020.145JS12-JS1345028.970282.1401.6836.4020.185JS13-JS1445018.029282.1401.6836.4020.115JS14-JS1545027.776282.1401.6836.4020.178JS15-JS1645031.888282.1401.6836.4020.204JS16-JS1745021.481282.1401.6836.4020.138JS17-JS1845036.484282.1401.6836.4020.234JS18-JS1945028.226282.1401.6836.4020.181JS19-JS2045040.000282.1401.6836.4020.256JS20-JS2145022.703282.1401.6836.4020.145JS21-JS2245057.297282.1401.6836.4020.367JS22-JS2345048.647282.1401.6836.4020.311JS23-JS2445031.353282.1401.6836.4020.201JS24-JS2545034.399282.1401.6836.4020.220JS25-JS2645045.601282.1401.6836.4020.292JS26-JS2745037.268282.1401.6836.4020.239JS27-JS2845042.732282.1401.6836.4020.274JS28-JS2945040.000282.1401.6836.4020.256表6.1.2扬水管计算（二级泵站至水池）平差计算节点参数节点编号流量(L/s)地面标高(m)节点水压(m)自由水头(m)JS30-282.140344.591418.90274.311JS310.000379.613418.20238.589JSPQ320.000383.070418.00734.937JS330.000381.835417.91836.083JS340.000382.702417.67234.970JS350.000382.272417.41935.147JS360.000370.056417.26947.213JS370.000368.725417.15848.433JS380.000365.178416.92451.746JS390.000359.048416.58257.534JS400.000359.385416.46257.077JS410.000357.966416.37658.410JS420.000357.963416.26458.301JS430.000355.686416.17160.485JS440.000352.835416.04363.208JS450.000351.950415.89463.944JSPN460.000350.631415.75965.128JS470.000352.361415.65663.295JS480.000354.066415.53861.472JS490.000360.362415.27154.909JS500.000365.684415.12849.444JS510.000366.104414.99748.893JS520.000369.001414.72045.719JS530.000371.125414.57643.451JS540.000373.751414.43840.687JS550.000374.416414.19039.774JSPQ560.000375.141414.05238.911JS570.000373.127413.90640.779JSPN580.000372.168413.82941.661JS590.000376.714413.53436.820JSPQ600.000377.759413.28735.528JS610.000376.644413.04636.402JS620.000376.720412.83636.116JSPN630.000374.127412.71938.592JS640.000376.101412.47836.377JS650.000381.430412.22330.793JS660.000385.937412.07226.135JS670.000387.001411.93424.933JS680.000390.492411.78121.289JS690.000393.596411.60318.007JS70282.140406.475411.4755.000JS4310.000358.910418.65259.742平差计算管道参数管道编号管径(mm)管长(m)流量(L/s)流速(m/s)千米损失(m)管道损失(m)JS30-JS43145038.964282.1401.6836.4020.249JS31-JSPQ3245030.500282.1401.6836.4020.195JS31-JS43145070.296282.1401.6836.4020.450JSPQ32-JS3345013.931282.1401.6836.4020.089JS33-JS3445038.385282.1401.6836.4020.246JS34-JS3545039.524282.1401.6836.4020.253JS35-JS3645023.521282.1401.6836.4020.151JS36-JS3745017.316282.1401.6836.4020.111JS37-JS3845036.567282.1401.6836.4020.234JS38-JS3945053.443282.1401.6836.4020.342JS39-JS4045018.739282.1401.6836.4020.120JS40-JS4145013.297282.1401.6836.4020.085JS41-JS4245017.581282.1401.6836.4020.113JS42-JS4345014.460282.1401.6836.4020.093JS43-JS4445020.097282.1401.6836.4020.129JS44-JS4545023.238282.1401.6836.4020.149JS45-JSPN4645021.024282.1401.6836.4020.135JSPN46-JS4745016.140282.1401.6836.4020.103JS47-JS4845018.485282.1401.6836.4020.118JS48-JS4945041.727282.1401.6836.4020.267JS49-JS5045022.237282.1401.6836.4020.142JS50-JS5145020.531282.1401.6836.4020.131JS51-JS5245043.227282.1401.6836.4020.277JS52-JS5345022.482282.1401.6836.4020.144JS53-JS5445021.561282.1401.6836.4020.138JS54-JS5545038.714282.1401.6836.4020.248JS55-JSPQ5645021.541282.1401.6836.4020.138JSPQ56-JS5745022.791282.1401.6836.4020.146JS57-JSPN5845012.125282.1401.6836.4020.078JSPN58-JS5945046.106282.1401.6836.4020.295JS59-JSPQ6045038.500282.1401.6836.4020.246JSPQ60-JS6145037.736282.1401.6836.4020.242JS61-JS6245032.764282.1401.6836.4020.210JS62-JSPN6345018.212282.1401.6836.4020.117JSPN63-JS6445037.597282.1401.6836.4020.241JS64-JS6545039.976282.1401.6836.4020.256JS65-JS6645023.553282.1401.6836.4020.151JS66-JS6745021.542282.1401.6836.4020.138JS67-JS6845023.945282.1401.6836.4020.153JS68-JS6945027.790282.1401.6836.4020.178JS69-JS7045019.940282.1401.6836.4020.128表6.1.3自流重力管计算平差计算节点参数节点编号流量(L/s)地面标高(m)节点水压(m)自由水头(m)JS71-282.140407.318405.318-2.000JS720.000398.450405.0576.607JS730.000386.311404.73718.426JS740.000377.898404.51526.617JS750.000359.919404.05044.131JS760.000348.120403.74555.625JS770.000340.235403.54163.306JS780.000330.750403.29672.546JSFM790.000296.735402.604105.869JS800.000285.730401.434115.704JS810.000281.740401.101119.361JS820.000277.596400.917123.321JS830.000277.897400.795122.898JS840.000279.901400.658120.757JS850.000279.666400.547120.881JS860.000281.061400.381119.320JS870.000281.806400.235118.429JS880.000278.487400.069121.582JS890.000278.138399.950121.812JS900.000283.249399.781116.532JS910.000284.346399.686115.340JS920.000285.504399.443113.939JS930.000285.443399.232113.789JS940.000286.357398.999112.642JS950.000286.097398.871112.774JS960.000282.861398.728115.867JS970.000284.274398.654114.380JS980.000281.692398.400116.708JSZF9914.107274.453398.211123.758JSZF10014.107299.118402.564103.446JSFM1010.000395.303405.2899.986JS1020.000390.265405.24714.982JS1030.000386.820405.22118.401JS1040.000384.536405.19820.662JSFM1050.000381.345405.17023.825JS1060.000375.419405.13129.712JSPN1070.000374.184405.09330.909JS1080.000375.352405.07529.723JSFM1090.000375.737405.04229.305JS1100.000375.752404.98229.230JS1110.000375.222404.91929.697JS1120.000371.544404.84133.297JS1130.000371.944404.82032.876JS1140.000373.091404.78331.692JS1150.000373.535404.74931.214JS1160.000373.042404.68631.644JS1170.000370.546404.65034.104JS1180.000368.796404.61335.817JSFM1190.000366.095404.54138.446JS1200.000365.324404.51139.187JS1210.000359.988404.47944.491JSFM1220.000353.978404.42150.443JS1230.000352.291404.39552.104JSPN1240.000350.658404.37353.715JS1250.000352.042404.34452.302JS1260.000353.114404.31251.198JS1270.000355.735404.28348.548JS1280.000358.180404.26446.084JS1290.000359.130404.23845.108JS1300.000359.301404.21944.918JS1310.000359.924404.19144.267JS1320.000365.101404.11739.016JS1330.000368.780404.06535.285JS1340.000370.235404.04033.805JS1350.000382.131404.00921.878JSFM1360.000382.595403.95921.364JS1370.000381.817403.90422.087JS1380.000381.725403.88922.164JSFM1390.000378.637403.85925.222JS1930.000393.759405.16911.410JS1940.000393.801405.07911.278JS1950.000393.607404.86611.259JS1960.000391.574404.71013.136JS1970.000388.634404.61815.984JS1980.000385.269404.48819.219JS1990.000383.677404.39720.720JSPN2000.000380.708404.33223.624JS2010.000381.433404.22222.789JSPQ2020.000385.255404.11218.857JSZF20314.107381.137403.90822.771JSZF20414.107370.058405.05935.001JSZF20514.107369.299404.93935.640JS2060.000300.463403.848103.385JS2070.000302.123403.594101.471JS2080.000297.739403.344105.605JS2090.000294.303403.239108.936JS2100.000287.800403.098115.298JS2110.000285.157402.828117.671JS2120.000284.085402.707118.622JS2130.000279.799402.526122.727JS2140.000277.929402.383124.454JS2150.000277.786402.249124.463JS2160.000279.027402.173123.146JS2170.000280.005402.094122.089JS2180.000279.830402.026122.196JSFM2190.000279.610401.979122.369JS2200.000277.923401.724123.801JS2210.000275.137401.646126.509JS2220.000275.524401.499125.975JS2230.000274.044401.359127.315JS2240.000271.731401.218129.487JS2250.000270.614400.751130.137JS2260.000270.613400.640130.027JS2270.000269.699400.539130.840JS2280.000267.061399.735132.674JS2290.000267.181399.642132.461JS2300.000267.373399.500132.127JS2310.000266.416399.284132.868JSZF23214.107269.127398.690129.563JSZF23314.107273.693401.919128.226JSZF23414.107365.925404.46238.537JSZF31014.107378.291403.86625.575JSZF31114.107347.137403.61256.475JSFM31480.600376.227403.81627.589JSFM31560.470347.047403.75056.703平差计算管道参数管道编号管径(mm)管长(m)流量(L/s)流速(m/s)千米损失(m)管道损失(m)JS71-JS7220057.03728.2140.8474.5770.261JS71-JSFM10160023.662253.9260.8631.2450.029JS72-JS7320069.90628.2140.8474.5770.320JS73-JS7420048.44428.2140.8474.5770.222JS74-JS75200101.59028.2140.8474.5770.465JS75-JS7620066.66828.2140.8474.5770.305JS76-JS7720044.55328.2140.8474.5770.204JS77-JS7820053.59428.2140.8474.5770.245JS78-JSFM79200151.05028.2140.8474.5770.691JSFM79-JS80160172.66514.1070.9036.7761.170JSFM79-JSZF1001609.03214.1070.7104.5220.041JS80-JS8116073.64114.1070.7104.5220.333JS81-JS8216040.82514.1070.7104.5220.185JS82-JS8316026.99014.1070.7104.5220.122JS83-JS8416030.18314.1070.7104.5220.136JS84-JS8516024.64514.1070.7104.5220.111JS85-JS8616036.59914.1070.7104.5220.166JS86-JS8716032.39514.1070.7104.5220.147JS87-JS8816036.58014.1070.7104.5220.165JS88-JS8916026.34914.1070.7104.5220.119JS89-JS9016037.32914.1070.7104.5220.169JS90-JS9116021.06614.1070.7104.5220.095JS91-JS9216053.66814.1070.7104.5220.243JS92-JS9316046.64714.1070.7104.5220.211JS93-JS9416051.71714.1070.7104.5220.234JS94-JS9516028.18014.1070.7104.5220.127JS95-JS9616031.55514.1070.7104.5220.143JS96-JS9716016.41714.1070.7104.5220.074JS97-JS9816056.19014.1070.7104.5220.254JS98-JSZF9916041.77714.1070.7104.5220.189JSFM101-JS10260037.309239.8190.8151.1160.042JSFM101-JS19316026.44814.1070.7104.5220.120JS102-JS10360023.375239.8190.8151.1160.026JS103-JS10460020.529239.8190.8151.1160.023JS104-JSFM10560024.572239.8190.8151.1160.027JSFM105-JS10660040.079225.7120.7670.9930.040JSFM105-JSZF20416024.71514.1070.7104.5220.112JS106-JSPN10760038.382225.7120.7670.9930.038JSPN107-JS10860018.029225.7120.7670.9930.018JS108-JSFM10960032.490225.7120.7670.9930.032JSFM109-JS11050036.689183.3910.8911.6440.060JSFM109-JSZF20516022.88714.1070.7104.5220.104JSFM109-JS206200260.97428.2140.8474.5771.195JS110-JS11150038.221183.3910.8911.6440.063JS111-JS11250047.350183.3910.8911.6440.078JS112-JS11350013.124183.3910.8911.6440.022JS113-JS11450022.520183.3910.8911.6440.037JS114-JS11550020.697183.3910.8911.6440.034JS115-JS11650037.851183.3910.8911.6440.062JS116-JS11750022.452183.3910.8911.6440.037JS117-JS11850022.278183.3910.8911.6440.037JS118-JSFM11950043.989183.3910.8911.6440.072JSFM119-JS12050020.673169.2840.8221.4100.029JSFM119-JSZF23416017.45114.1070.7104.5220.079JS120-JS12150023.186169.2840.8221.4100.033JS121-JSFM12250040.773169.2840.8221.4100.057JSFM122-JS12350018.439169.2840.8221.4100.026JS123-JSPN12450016.008169.2840.8221.4100.023JSPN124-JS12550020.725169.2840.8221.4100.029JS125-JS12650022.535169.2840.8221.4100.032JS126-JS12750020.753169.2840.8221.4100.029JS127-JS12850013.251169.2840.8221.4100.019JS128-JS12950018.016169.2840.8221.4100.025JS129-JS13050013.960169.2840.8221.4100.020JS130-JS13150019.783169.2840.8221.4100.028JS131-JS13250052.385169.2840.8221.4100.074JS132-JS13350036.932169.2840.8221.4100.052JS133-JS13450017.736169.2840.8221.4100.025JS134-JS13550022.183169.2840.8221.4100.031JS135-JSFM13650034.910169.2840.8221.4100.049JSFM136-JS13750046.329155.1770.7541.1930.055JSFM136-JSZF31016020.73314.1070.7104.5220.094JS137-JS13850012.753155.1770.7541.1930.015JS138-JSFM13950025.139155.1770.7541.1930.030JSFM139-JSZF31116054.60514.1070.7104.5220.247JSFM139-JSFM31440022.63780.6000.8281.9080.043JSFM139-JSFM31531530.17260.4701.0033.6250.109JS193-JS19416019.84314.1070.7104.5220.090JS194-JS19516047.10214.1070.7104.5220.213JS195-JS19616034.46614.1070.7104.5220.156JS196-JS19716020.38714.1070.7104.5220.092JS197-JS19816028.74514.1070.7104.5220.130JS198-JS19916020.11914.1070.7104.5220.091JS199-JSPN20016014.40314.1070.7104.5220.065JSPN200-JS20116024.29914.1070.7104.5220.110JS201-JSPQ20216024.40514.1070.7104.5220.110JSPQ202-JSZF20316045.05914.1070.7104.5220.204JS206-JS20720055.41728.2140.8474.5770.254JS207-JS20820054.73628.2140.8474.5770.251JS208-JS20920022.87828.2140.8474.5770.105JS209-JS21020030.68128.2140.8474.5770.140JS210-JS21120059.17228.2140.8474.5770.271JS211-JS21220026.27128.2140.8474.5770.120JS212-JS21320039.73228.2140.8474.5770.182JS213-JS21420031.08428.2140.8474.5770.142JS214-JS21520029.40028.2140.8474.5770.135JS215-JS21620016.56328.2140.8474.5770.076JS216-JS21720017.15628.2140.8474.5770.079JS217-JS21820014.91428.2140.8474.5770.068JS218-JSFM21920010.32028.2140.8474.5770.047JSFM219-JS22016056.38714.1070.7104.5220.255JSFM219-JSZF23316013.17314.1070.7104.5220.060JS220-JS22116017.30814.1070.7104.5220.078JS221-JS22216032.45214.1070.7104.5220.147JS222-JS22316030.87914.1070.7104.5220.140JS223-JS22416031.14814.1070.7104.5220.141JS224-JS225160103.44014.1070.7104.5220.468JS225-JS22616024.47014.1070.7104.5220.111JS226-JS22716022.19914.1070.7104.5220.100JS227-JS228160177.96114.1070.7104.5220.805JS228-JS22916020.57214.1070.7104.5220.093JS229-JS23016031.21814.1070.7104.5220.141JS230-JS23116047.78814.1070.7104.5220.216JS231-JSZF232160131.37914.1070.7104.5220.594表6.1.4自流重力管计算平差计算节点参数节点编号流量(L/s)地面标高(m)节点水压(m)自由水头(m)JSFM314-80.600376.227403.81627.589JSFM3168.000339.261402.32563.064JS3170.000369.728402.56932.841JS3180.000381.465402.72921.264JS3190.000381.814402.79620.982JS3200.000381.281402.90621.625JS3210.000383.241402.97419.733JS3220.000384.383403.06318.680JS3230.000386.708403.09516.387JS3240.000387.934403.13715.203JS3250.000387.382403.23415.852JS3260.000387.621403.26015.639JS3270.000387.608403.28415.676JS3280.000359.702403.31343.611JS3290.000387.762403.35415.592JS3300.000386.379403.38117.002JS3310.000385.230403.40618.176JS3320.000384.838403.42918.591JS3330.000383.446403.46820.022JS3340.000382.980403.48620.506JS3350.000382.061403.50121.440JS3360.000383.957403.52719.570JS3370.000384.531403.54919.018JS3380.000383.172403.56420.392JS3390.000382.450403.59421.144JS3400.000379.906403.63223.726JS3410.000381.083403.64522.562JS3420.000380.143403.66323.520JS3430.000374.748403.69428.946JS3440.000379.961403.74223.781JS3450.000375.479403.80728.328JSFM34620.000363.787402.47538.688JS3470.000363.263402.49039.227JS3480.000363.815402.51538.700JS3490.000365.325402.54937.224JS3500.000367.747402.56934.822JS3510.000371.409402.59131.182JS3520.000373.862402.60728.745JS3530.000375.913402.62126.708JS3540.000377.669402.64524.976JS3550.000378.288402.70124.413JS3560.000378.287402.72024.433JS3570.000372.341402.73930.398JS3580.000380.404402.75722.353JS3590.000380.449402.77522.326JS3600.000380.676402.80122.125JS3610.000379.917402.82722.910JS3620.000382.242402.84520.603JS3630.000383.443402.85919.416JS3640.000385.372402.89017.518JS3650.000385.933402.90516.972JS3660.000386.298402.92616.628JS3670.000386.188402.93716.749JS3680.000386.386402.94916.563JS3690.000385.069402.96417.895JSFM37115.000365.552403.52037.968JS3720.000366.802403.53436.732JS3730.000372.089403.57731.488JSFM37510.000379.881402.80422.923JSFM37627.600362.969402.43839.469平差计算管道参数管道编号管径(mm)管长(m)流量(L/s)流速(m/s)千米损失(m)管道损失(m)JSFM314-JS3454004.54580.6000.8281.9080.009JS342-JS34340016.34680.6000.8281.9080.031JS343-JS34440024.79380.6000.8281.9080.047JS344-JS34540034.50180.6000.8281.9080.066JS321-JS32240067.64765.6000.6741.3070.088JS322-JS32340024.75365.6000.6741.3070.032JS323-JS32440031.83065.6000.6741.3070.042JS324-JS32540074.25265.6000.6741.3070.097JS325-JS32640020.30165.6000.6741.3070.027JS326-JS32740018.41965.6000.6741.3070.024JS327-JS32840021.75165.6000.6741.3070.028JS328-JS32940031.58665.6000.6741.3070.041JS329-JS33040020.61865.6000.6741.3070.027JS330-JS33140019.19365.6000.6741.3070.025JS331-JS33240017.05165.6000.6741.3070.022JS332-JS33340030.17465.6000.6741.3070.039JS333-JS33440013.60665.6000.6741.3070.018JS334-JS33540011.59765.6000.6741.3070.015JS335-JS33640019.74865.6000.6741.3070.026JS336-JS33740016.94865.6000.6741.3070.022JS337-JS33840011.44965.6000.6741.3070.015JS338-JS33940023.09165.6000.6741.3070.030JS339-JS34040028.70465.6000.6741.3070.038JS340-JS34140010.30565.6000.6741.3070.013JS341-JS34240013.71965.6000.6741.3070.018JS321-JS3694009.98457.6000.5921.0310.010JS361-JS36240017.21957.6000.5921.0310.018JS362-JS36340014.13757.6000.5921.0310.015JS363-JS36440030.00657.6000.5921.0310.031JS364-JS36540014.15057.6000.5921.0310.015JS365-JS36640020.48457.6000.5921.0310.021JS366-JS36740010.44357.6000.5921.0310.011JS367-JS36840012.07257.6000.5921.0310.012JS368-JS36940014.52657.6000.5921.0310.015JS347-JS34835519.70647.6000.6231.3080.026JS348-JS34935525.70647.6000.6231.3080.034JS349-JS35035515.35947.6000.6231.3080.020JS350-JS35135517.01347.6000.6231.3080.022JS351-JS35235511.78247.6000.6231.3080.015JS352-JS35335510.94947.6000.6231.3080.014JS353-JS35435518.37347.6000.6231.3080.024JS354-JS35535542.89747.6000.6231.3080.056JS355-JS35635514.67747.6000.6231.3080.019JS356-JS35735513.92247.6000.6231.3080.018JS357-JS35835514.03847.6000.6231.3080.018JS358-JS35935513.46547.6000.6231.3080.018JS359-JS36035520.34347.6000.6231.3080.027JS360-JS36135519.74047.6000.6231.3080.026JS347-JSFM37625019.50027.6000.7262.6440.052JSFM346-JS34725010.08820.0000.5261.4700.015JS342-JS37320033.43915.0000.6172.5740.086JSFM371-JS3722005.41915.0000.6172.5740.014JS372-JS37320016.62015.0000.6172.5740.043JS361-JSFM3751606.30310.0000.6403.6170.023JSFM316-JS317160101.2178.0000.5122.4140.244JS317-JS31816066.1048.0000.5122.4140.160JS318-JS31916027.9148.0000.5122.4140.067JS319-JS32016045.5508.0000.5122.4140.110JS320-JS32116028.1928.0000.5122.4140.0686.2高位水池设计新建高位水池采用圆形高位水池，容积为500m3。高位水池整体直径14.06m，深3.5m。池底采用C25砼，厚0.25m，边墙采用C25砼，厚0.2m。出水池最低运行水位考虑单泵最小运行20分钟和灌区控制高程考虑；设计运行水位按照灌溉设计流量运行30分钟和灌区控制高程考虑；最高运行水位按照最大运行流量运行35分钟和灌区控制高程考虑；池底标高411.72m。新建高位水池基础置于基岩或地基良好的土层之上，地基允许承载力不小于160kpa。回填采用开挖土石料分层回填，并分层压实，压实度不小于0.91。6.3泵站设计1、管材选择本次新建提灌站提水管选用DN350焊接钢管，厚度为7mm，扬水管优先选用焊接钢管，管径为DN450，厚度为8mm，2.0MPa。2、管径确定本次新建设计流量为1020m³/h，进水端设计流速为1.6m/s，计算管径为362.5mm，实际选型350mm，管材型号DN350，出水端设计流速为1.0m/s计算管径406.8mm，实际选型450mm，管材型号为DN450。3、扬程计算一级提升泵站总扬程120米，净扬程108米，扬水管总长1067米；二级增压泵站设计流量1020m3/h，总扬程78米，净扬程68.9米，扬水管总长1031米。4、水泵选型新建1#水泵机组，300SH120，扬程120m，流量510m3/h,电机N=315kW，n=1480r/min,U=0.38kV,功率因数≥0.90，效率≥93.6%，F级绝缘；新建2#水泵机组，300SH120，扬程120m，流量510m3/h,电机N=315kW，n=1480r/min,U=0.38kV,功率因数≥0.90，效率≥93.6%，F级绝缘。新建二级增压泵站采用一体化增压泵站，采用无负压罐，设计流量1020m3/h，总扬程78米，净扬程68.9米，扬水管总长1031米；新建两台水泵机组，IS200-530(I)，电机N=280kW，成套设备包含内容详见清单。七、施工放样开挖前，清理两侧各1m~1.5m杂草及树枝之后，施工单位应对现状地形进行复核。施工过程中，应根据需要进行测量和放样，其内容包括：（1）依据设计单位交底的控制点自行布设施工测量控制网；（2）为确保设计开挖轮廓准确性而进行的测量放样；（3）为核算工程量而进行的测量；（4）为提供竣工资料而进行的测量；（5）按监理工程师或设计文件确定为其它目的而进行的测量和放样。八、材料要求1、水泥水泥宜采用普通硅酸盐水泥，其质量应符合现行国家标准《硅酸盐水泥、普通硅酸盐水泥》GB175的规定。2、砂天然砂的颗粒级配、含泥量、泥块含量、云母含量等，以及机制砂颗粒级配、石粉含量、泥块含量、压碎指标等应符合《建筑用砂》（GB/T14684-2011）、《普通混凝土用砂、石质量及检验方法标准》（JGJ52-2006）的规定，粒径在0.15-4.74mm之间。工程设计采用Ⅲ类建筑用中、细砂或特细天然砂，级配区采用Ⅱ区III类，细度模数2.4-3.2，含泥量≤3-5%，泥块量≤1-2%，表观密度＞2500kg/m3，松散堆积密度＞1400kg/m3，孔隙率＜44%。如果选择人工砂，相应指标应满足规范规定。本工程中新建渠道边墙、底板、新建箱涵、箱涵垫层及闸阀井处混凝土结构采用特细砂，其余采用中、粗砂。储运按分类、规格、类别分别堆放和运输，防止人为碾压、混合及污染。3、卵、碎石碎（卵）石的松散堆积密度、颗粒级配、含泥量、泥块含量等应符合《建筑用卵石、碎石》（GB/T14685-2011）、《普通混凝土用砂、石质量及检验方法标准》（JGJ52-2006）的规定。工程设计碎（卵）石有天然卵石和人工碎石两种，粒径大于4.75mm；项目采用Ⅲ类，大坝工程颗粒级配2级配，粒径5-40mm，渠道、渡槽、箱涵及水池颗粒级配1级配，粒径20-40mm，含泥量≤1-2%，泥块量≤0.5-0.7%，压碎指标碎石≤16-30%、卵石≤16%，表观密度＞2500kg/m3，松散堆积密度＞1350kg/m3，孔隙率＜47%。必须质地坚硬、清洁、级配良好，不得含有石粉，碎石里不得含有风化石或软石，不应混有草根、树叶、树枝、塑料、煤块和炉渣等杂物。碎（卵）石最大粒径不得大于铺筑层虚铺厚度的2/3，并不宜大于50mm。4、钢筋尺寸、外形、重量及允许偏差，以及力学、工艺、疲劳、焊接等性能应满足《钢筋混凝土用钢第一部分：热轧光圆钢筋》（GB1499.1-2008）、《钢筋混凝土用钢第二部分：热轧带肋钢筋》（GB1499.2-2007）等规定。钢筋在使用前必须出具出厂合格证，同一牌号、同一规格应作拉伸、冷弯试验。有产品合格证、出厂检验报告和进场复验报告。钢筋制安应满足《水工混凝土钢筋施工规范》（DL/T5169-2013）的规定；钢筋在施工中搭接焊接应满足《钢筋焊接及验收规程》（JGJ18-2012）、《钢筋焊接接头试验方法标准》（JGJ/T27-2015）规定。5、水拌和水的水质应符合现行行业标准《混凝土用水标准》JGJ63规定。6、其他其他材料均应符合国家现行标准、规范要求。九、施工要求1、土石方开挖施工前，应根据工程规模和特性，地形、地质资料、施工条件、施工机械等，合理确定开挖方式。开挖顺序包括自上而下开挖、上下结合开挖、先岸坡后河槽开挖和分期分段开挖等，严禁自下而上或采取倒悬的开挖方法，施工时应做成一定的坡势，以利排水。土石方开挖前应根据施工图和施工控制网点，做好测量定线。开挖过程中，应对平面控制桩、水准点、基坑平面位置、水平标高、边坡坡度等经常进行检查，以防止超挖或欠挖。2、土方回填回填土料主要利用就近堆放的开挖土方，不足部分从附近征地取土，淤泥和含草皮、树根等杂物的土料应严禁用于回填，对于含水量过大或过于干燥的土料应采取晾晒或洒水的措施，以利于回填土夯实。土料除机械难以施工的部位采用人工配胶轮车运料外，其余均采用机械挖运。土方填筑应分层铺料，严格控制土料粒径。回填土设计压实度根据建筑物级别确定。3、管道基础处理原则及措施根据工程实际情况，本次设计主要为新建管道，管道基础基本为较密实残坡积、崩坡积层或强风化岩体上，地基土承载力要求≮120kpa，管道地基应采用打夯机夯实处理。4、分缝设计结合工程实际，当渠道全断面采用砼新建时，每隔8m设置一道2cm的伸缩缝，设置651型橡胶止水带，缝内填充聚乙烯闭孔泡沫板，迎水面涂抹双组份聚流密封膏。5、现浇混凝土工程（1）施工前应根据工地骨料的种类，水泥品号、标号，按设计要求提前做好砼的配料、强度、防渗等试验，作为混凝土浇筑时的配料依据。（2）混凝土应采用机械搅和。（3）浇筑时采用插入式或平板式振捣器振捣，要求振捣密实。（4）浇筑完毕后应做好洒水养护工作。（5）钢筋应冷拉除锈、调直，按设计要求尺寸加工，砼中预埋件在浇筑前，必须详细检查其位置、尺寸的正确性，符合设计要求后，方可施工。浇注砼前，应对支架、模板、钢筋和预埋件进行检查，并做好记录，符合设计要求后方可浇注。模板内的杂物、积水和钢筋上的污垢应清理干净。模板如有缝隙，应填塞严密，模板内面应涂刷脱模剂。浇注砼前，应检查砼的均匀性和坍落度。自高处向模