北滨路东延伸段配套(黑石子)临时弃土场建设工程边坡计算书.docx
北滨路东延伸段配套(黑石子)临时弃土场建设工程边坡计算书【全一册】目录1、工程概况32、设计采用的技术标准规范及设计依据32.1 设计依据32.2 采用的规范标准33、工程地质条件43.1 建议设计参数43.2 地质构造73.3 地层岩性74、边坡稳定性计算94.I填方边坡稳定性计算95顶管接收井175.12.0<H6.0m175.215.0<H22.0m256顶管工作井336.1 2.0<H6.0m336.2 9.0<H12.0m426.3 20.0<H30.0m507非标预制管598总结691、工程概况本项目为北滨路东延伸段配套(黑石子)临时弃土场建设工程,位于重庆市江北区黑石子社区,渝北区以南,沪渝高速以北,包茂高速西侧,紧邻港城工业园区。项目距离江北区人民政府IOkm,江北区唐家沱6.8km,重庆两路寸滩保税港区IOknl,海尔工业园2.9公里,交通十分便捷。本项目主要为弃土场,主要包括衡重式挡墙一段,长约44m,以及弃土场填方边坡防护设计,边坡坡面采用三维网护坡,局部采用土工格室护坡。本次采用理正7.0进行计算。2、设计采用的技术标准规范及设计依据2.1 设计依据(1)与业主签订的设计合同(2)场平区域的1:500现状地形图(3)北滨路东延伸段配套(黑石子)临时弃土场建设工程初步设计重庆市市政设计研究院有限公司(4)北滨路东延伸段配套(黑石子)临时弃土场挡墙专项工程地质勘察报告重庆市勘测院2.2 采用的规范标准1)工程结构通用规范(GB55001-2021)2)建筑与市政工程抗震通用规范(GB55002-2021)3)建筑与市政地基基础通用规范(GB55003-2021)4)混凝土结构通用规范(GB55008-2021)5)城市道路交通工程项目规范(GB55011-2021)6)工程勘察通用规范(GB55017-2021)7)建筑与市政工程施工质量控制通用规范(GB55032-2022)8)建筑边坡工程技术规范(GB50330-2013)9)建筑地基基础设计规范(GB50007-2011)10)混凝土结构设计规范(GB50010-2010)(2015版)11)建筑边坡工程施工质量验收标准(GB/T51351-2019)12)相关国家工程建设技术标准强制性条文。3、工程地质条件3.1 建议设计参数根据重庆市勘测院2023年9月提供的北滨路东延伸段配套(黑石子)临时弃土场挡墙专项工程地质勘察报告(一次性勘察),其岩土参数如下r2号地块岩土物理力学参数建议值砂质泥岩砂岩裂隙面岩层面岩土界面强风化中风化强风化中风化24.525.524.024.9/25.025.924.525.3/5.14/29.4/8.82/39.1/20016902509700/2532253918158.51004301501650503015/1550/4200/1180/3500/0.36/0.13/60/300/35/40/120/470/表3.2T1专岩土名称参数素填土(稍密)粉质黏土(可塑)天然重度(kN1113)20.519.3饱和重度(kN1121.519.8饱和抗压强度标准值(MPa)/天然抗压强度标准值(MPa)/地基承载力特征值(kPa)10080天然内摩擦角(°)3012.8天然内聚力C(kPa)821.6饱和内摩擦角6(°)289饱和内聚力C(kPa)515.8弹性模量(MPa)/变形模量(MPa)/泊松比口/岩体水平抗力系数(MN/nd/水平抗力比例系数(MN/d)128抗拉强度标准值(kPa)/岩土名称参数素填土(稍密)粉质黏土(可塑)砂质泥岩砂岩裂隙面岩层面岩土界面强风化中风化强风化中风化挡墙基底摩擦系数0.30.20.350.450.40.6/渗透系数(md)100.0020.20.0050.50.1/注:带的参数为重庆地区经验参数。表3.2-23号地块岩土物理力学参数建议值岩土名称参数粉质黏土(可塑)砂质泥岩裂隙面岩层面岩土界面强风化中风化天然重度(kNm3)19.624.525.5/饱和重度(kN1119.825.025.9/饱和抗压强度标准值(UPa)/4.1/天然抗压强度标准值(UPa)/7.1/地基承载力特征值(kPa)802001400/天然内摩擦角6(°)12.3/天然内聚力C(kPa)18.6/饱和内摩擦角(°)8.9252918158.5饱和内聚力C(kPa)13.6100400503013泊松比U/0.39/二墙基底摩擦系数0.20.350.45/注:带的参数为重庆地区经验参数。3.2 地质构造场地工程位于川东南孤形地带,华釜山帚状褶皱束东南部,构造骨架形成于燕山期晚期褶皱运动。拟建工程位于环山背斜的东翼,构造条件简单,岩层呈单斜产出,区内发育无断层发育。岩层产状:95°110。Z35o53。;场地岩层层面一般较平直光滑,局部略有起伏,结合很差,为软弱结构面。裂隙J1.265°285°Z35o55°,张性,裂隙面平直,宽度13mm,裂隙间距13m不等,延伸48米,无充填,结合差,为硬性结构面。裂隙J2:185。210。Z60o82。,裂隙面较平直,宽12mm,局部有泥质、岩屑碎石或方解石充填,裂隙间距14m不等,延伸5IOm,结合差,属硬性结构面。3.3 地层岩性场内上覆土层有第四系全新统人工填土(QF)填土,第四系残坡积(Q严(三)粉质黏土、淤泥,下伏基岩为侏罗系中统沙溪庙组(1.s)、中下统自流井组(JMz)。各地层岩性特征依新老顺序简述如下:表3.4T场地岩土特征一览表编号地层代号Uj石土名称厚度(m)描述1-0Q.1淤泥0.52.5灰黑色、褐灰色,有臭味,含未完全分解的动植物残骸,手触有弹性和海绵感,具有一定的流动性;主要分布在鱼塘、水田区域。2-0Q1素0.5杂色,主要由块碎石、粉质黏土等组成,局部含有建编号地层代号UJ石土名称厚度(m)描述填土30.3筑垃圾、生活垃圾,来源为周边工程弃土,采用抛填方式进行堆填;堆填时间大多数超过5年,局部为新近回填。稍湿湿,密实程度为松散中密,以稍密为主,均匀性差,块石含量2065%,粒径2200mm,最大可达1.Onb局部有空洞;主要分布在1号地块、2号地块西南角区域;该区域原始地貌为沟谷。在覆盖层与基岩接触带(基岩面附近),受地下水频繁活动的影响,常形成以软可塑状粘性土为主、厚度0.100.30m(局部可达0.5In以上)的软弱薄层。2-1QJ杂填±0.52.7主要由建筑垃圾、生活垃圾组成,来源为当地民房拆除残留及周边抛弃,采用抛填方式进行堆填;堆填时间多数在超10年。稍湿,密实程度为松散,均匀性差;主要分布在原居民聚集区域。3-1QJ*”粉质黏土0.210.9紫红色、褐灰色,以黏土矿物为主,含少量的角砾,絮状结构;干强度中等、韧性中等、稍有光泽,无摇震反应,软塑可塑状;要分布在原始沟谷及部分斜坡区域。在覆盖层与基岩接触带(基岩面附近),受地下水频繁活动的影响,常形成以软可塑状粘性土为主、厚度0.100.3Oln(局部可达0.5m以上)的软弱薄层。7-0J2S-Sm砂质泥1.U石红色、紫红色为主,局部含青灰色团块;主要矿物成分为粘土矿物,粉砂泥质结构,中厚层状构造,主要矿物成份为粘土矿物;强风化带厚1.O3.0m,强风化岩芯呈碎块状,风化裂隙发育。中风化岩芯呈柱状、中柱状,节长530cm,岩体较破碎较完整,岩质软。主要分布在1号地块、2号地块。7-1J2s-Ss砂山石灰白色,细中粒结构,厚层状构造;主要矿物成分为石英、长石,含少量云母及粘土矿物。强风化带厚0.5-2.5m,强风化岩芯呈碎块状,风化裂隙发育。岩芯呈柱状、中柱状,节长520Cnb岩体较完整,多为钙质胶结,局部为泥质胶结,岩质较硬。主要分编号地层代号UJ石土名称厚度(m)描述布在2号地块;1号地块局部有分布。7-2J2s-St粉砂1.D石灰黑色、黄色,细粉粒结构,厚层状构造;主要矿物成分为石英、长石,含少量云母及粘土矿物。强风化带厚2.04.0m,强风化岩芯呈碎块状,风化裂隙发育。岩芯呈柱状、中柱状,节长515cm,岩体较完整,多为泥质胶结,岩质较软。主要分布在2号地块西侧。9-0J-2z-Sm砂质泥lJ石紫红色,粉砂泥质结构,主要有黏土矿物组成,薄中厚层状构造。强风化带厚1.52.5m,强风化岩芯呈土碎块状,风化裂隙发育;中风化岩芯呈柱状,节长525Cnb岩体较完整、裂隙欠发育,岩质软。局部夹薄层的灰岩、泥灰岩。主要分布在3号地块。4、边坡稳定性计算4.1填方边坡稳定性计算计算项目:等厚土层土坡稳定计算1计算简图控制参数:采用规范:通用方法计算目标:安全系数计算滑裂面形状:圆弧滑动法不考虑地震坡面信息坡面线号水平投影(m)竖直投影(In)超载数15.3302.640023.0000.0000320.00010.000043.0000.0000520.00010.000063.0000.0000720.00010.000083.0000.0001超载1距离1.000(m)宽2.000(m)荷载(50.0050.OOkPa):土层信息上部土层数1层号层厚重度饱和重度粘结强度孔隙水压(m)(kNm3)(kNm3)(kPa)力系数152.43022.0000.001层号粘聚力内摩擦角水下粘聚水下内摩(kPa)(度)力(kPa)擦角(度)15.00028.000层号十字板T强度增十字板T水强度增长系(kPa)长系数下值(kPa)数水下值1下部土层数1层号层厚重度饱和重度粘结强度孔隙水压(m)(kNm3)(kNm3)(kPa)力系数110.00020.5000.001坡面线段数8270.00(度)层号粘聚力内摩擦角水下粘聚水下内摩(kPa)(度)力(kPa)擦角(度)13.00025.000层号十字板T强度增十字板T水强度增长系(kPa)长系数下值(kPa)数水下值1不考虑水的作用计算条件圆瓠稳定分析方法:BiShoP法稳定计算目标:自动搜索最危险滑裂面条分法的土条宽度:1.000(m)搜索时的圆心步长:1.OO(Mm)搜索时的半径步长:0.500(m)计算结果:计算结果图滑动圆心=(30.000,40.000)(m)滑动半径=50.000(m)滑动安全系数=1.836起始X终止IiCii条实重浮力地震力渗透力附加力X附加力Y下滑力抗滑力mi超载竖向地宸力地震力(度)(kN)(kN)(kN)(kN)(m)(m)(度)(kN)(kN)(m)(心(kPa)I)(kN)(kN)(kN)O.OOOO.OO-8.661.066-36.11415.27O.658161.320O.OO3.OOOO.OO25.OO14.69O.OOO.OOO.OOO.OO1.066O.OO-24.772.132-34.61634.67O.678711.295O.OO3.OOOO.OO25.OO43.61O.OOO.OOO.OOO.OO2.132O.OO-39.173.198-33.14452.41O.698451.273O.OO3.OOOO.OO25.OO71.64O.OOO.OOO.OOO.OO3.198O.OO-51.924.264-31.69768.69O.717401.253O.OO3.OOOO.OO25.OO98.82O.OOO.OOO.OOO.OO4.264O.OO-63.115.330-30.27283.71O.735621.234O.OO3.OOOO.OO25.OO125.19O.OOO.OOO.OOO.OO5.330O.OO-65.406.330-28.91087.81O.752611.142O.OO3.OOOO.OO25.OO135.29O.OOO.OOO.OOO.OO6.330O.OO-67.807.330-27.60992.69O.768441.129O.OO3.OOOO.OO25.OO146.31O.OOO.OOO.OOO.OO7.330O.OO-69.508.330-26.32397.09O.783701.116O.OO3.OOOO.OO25.OO156.74O.OOO.OOO.OOO.OO8.330O.OO-72.879.330-25.051104.27O.798401.104O.OO3.OOOO.OO25.OO172.10O.OOO.OOO.OOO.OO9.330O.OO-77.6210.330-23.792114.110.812561.093O.OO3.OOOO.OO25.OO192.41O.OOO.OOO.OOO.OO10.330O.OO-81.3611.330-22.546123.39O.826201.083O.OO3.OOOO.OO25.OO212.19O.OOO.OOO.OOO.OO11.330O.OO-84.1112.330-21.310132.16O.839331.073O.OO3.OOOO.OO25.OO231.44O.OOO.OOO.OOO.OO12.330O.OO-85.9213.330-20.085140.46O.851971.065O.OO3.OOOO.OO25.OO250.19O.OOO.OOO.OOO.OO13.330O.OO-86.8214.330-18.870148.33O.864121.057O.OO3.OOOO.OO25.OO268.44O.OOO.OOO.OOO.OO14.33015.330-17.6631.0493.00025.00286.210.000.000.000.000.00-86.84155.810.875800.000.0015.33016.330-16.4640.00-86.02162.930.887021.0430.003.0000.0025.00303.500.000.000.000.0016.33017.330-15.2730.00-84.38169.720.897791.0370.003.0000.0025.00320.330.000.000.000.0017.33018.330-14.0880.00-81.96176.190.908101.0310.003.0000.0025.00336.690.000.000.000.0018.33019.330-12.9100.00-78.78182.390.917991.0260.003.0000.0025.00352.620.000.000.000.0019.33020.330-11.7360.00-7088188.310.927431.0210.003.0000.0025.00368.100.000.000.000.0020.33021.330-10.5680.00-70.27193.990.936461.0170.003.0000.0025.00383.140.000.000.000.0021.33022.330-9.4050.00-65.00199.430.945061.0140.003.0000.0025.00397.760.000.000.000.0022.33023.330-8.2450.00-59.07204.650.953241.0100.003.0000.0025.00411.930.000.000.000.0023.33024.330-7.0890.00-52.53209.680.961021.0080.003.0000.0025.00425.690.000.000.000.0024.33025.330-5.9350.00-45.40214.510.968381.0050.003.0000.0025.00439.040.000.000.000.0025.33026.330-4.7840.00-37.69219.150.975331.0040.003.0000.0025.00451.950.000.000.000.0026.33027.330-3.6350.00-29.45223.640.981891.0020.003.0000.0025.00464.470.000.000.000.0027.33028.330-2.4880.00-20.68227.950.988041.0010.003.0000.0025.00476.560.000.000.000.0028.33029.165-1.4350.00-10.10191.740.993320.8350.003.0000.0025.00403.080.000.000.000.0029.16530.000-0.4780.00-3.37190.980.997840.8350.003.0000.0025.00403.310.000.000.000.0030.00031.3300.7620.008.54302.481.003291.3300.003.0000.0025.00642.260.000.000.000.0031.33032.3302.0980.0017.86228.511.008631.0010.003.0000.0025.00487.840.000.000.000.0032.33033.3303.2451.0023.OOO25.OO497.88O.OOO.OOO.OOO.OOO.OO28.18232.201.01277O.OOO.OOO.OO33.33034.3304.39338.88235.761.016521.003O.OO3.OOOO.OO25.OO507.51O.OOO.OOO.OOO.OOO.OO34.33035.3305.54449.92239.211.019861.005O.OO3.OOOO.OO25.OO516.74O.OOO.OOO.OOO.OOO.OO35.33036.3306.69661.28242.531.022791.007O.OO3.OOOO.OO25.OO525.54O.OOO.OOO.OOO.OOO.OO36.33037.3307.85272.94245.751.025321.009O.OO3.OOOO.OO25.OO533.92O.OOO.OOO.OOO.OOO.OO37.33038.3309.01084.86248.851.027431.013O.OO3.OOOO.OO25.OO541.87O.OOO.OOO.OOO.OOO.OO38.33039.33010.17297.03251.861.029131.016O.OO3.OOOO.OO25.OO549.42O.OOO.OOO.OOO.OOO.OO39.33040.33011.339109.42254.761.030411.020O.OO3.OOOO.OO25.OO556.53O.OOO.OOO.OOO.OOO.OO40.33041.33012.510121.99257.571.031271.024O.OO3.OOOO.OO25.OO563.19O.OOO.OOO.OOO.OOO.OO41.33042.33013.687134.73260.271.031701.029O.OO3.OOOO.OO25.OO569.41O.OOO.OOO.OOO.OOO.OO42.33043.33014.869147.61262.891.031681.035O.OO3.OOOO.OO25.OO575.20O.OOO.OOO.OOO.OOO.OO43.33044.33016.058160.58265.421.031231.041O.OO3.OOOO.OO25.OO580.53O.OOO.OOO.OOO.OOO.OO44.33045.33017.254173.64267.851.030331.047O.OO3.OOOO.OO25.OO585.39O.OOO.OOO.OOO.OOO.OO45.33046.33018.458186.74270.201.028961.054O.OO3.OOOO.OO25.OO589.80O.OOO.OOO.OOO.OOO.OO46.33047.33019.671199.85272.461.027131.062O.OO3.OOOO.OO25.OO593.70O.OOO.OOO.OOO.OOO.OO47.33048.33020.893212.95274.631.024821.070O.OO3.OOOO.OO25.OO597.13O.OOO.OOO.OOO.OOO.OO48.33049.33022.125225.99276.721.022021.080O.OO3.OOOO.OO25.OO600.05O.OOO.OOO.OOO.OOO.OO49.33050.33023.367238.95278.711.018711.089O.OO3.OOOO.OO25.OO602.45O.OOO.OOO.OOO.OO50.33051.33024.6221.1003.00025.00604.330.000.000.000.000.00251.78280.631.014890.000.0051.33052.33025.8890.00262.05279.911.010531.1120.003.0000.0025.00600.160.000.000.000.0052.33053.33027.1700.00269.37276.531.005621.1240.003.0000.0025.00589.920.000.000.000.0053.33054.33028.4660.00276.02273.001.000151.1380.003.0000.0025.00579.100.000.000.000.0054.33055.33029.7770.00284.66271.890.994091.1520.003.0000.0025.00573.180.000.000.000.0055.33056.33031.1070.00295.58273.230.987411.1680.003.0000.0025.00572.130.000.000.000.0056.33057.33032.4550.00306.11274.460.980101.1850.003.0000.0025.00570.430.000.000.000.0057.33058.33033.8240.00316.19275.560.972121.2040.003.0000.0025.00568.040.000.000.000.0058.33059.33035.2150.00325.77276.550.963441.2240.003.0000.0025.00564.940.000.000.000.0059.33060.33036.6300.00334.76288.530.960971.2460.003.6640.0026.00561.060.000.000.000.0060.33061.33038.0720.00342.53310.980.965811.2700.005.0000.0028.00555.470.000.000.000.0061.33062.33039.5430.00349.38310.610.955511.2970.005.0000.0028.00548.780.000.000.000.0062.33063.33041.0450.00355.33309.970.944351.3260.005.0000.0028.00541.110.000.000.000.0063.33064.33042.5830.00360.28309.040.932241.3580.005.0000.0028.00532.430.000.000.000.0064.33065.33044.1600.00364.10307.780.919141.3940.005.0000.0028.00522.640.000.000.000.0065.33066.33045.7810.00366.68306.150.904951.4340.005.0000.0028.00511.650.000.000.000.0066.33067.33047.4490.00367.87304.100.889571.4790.005.0000.0028.00499.360.000.000.000.0067.33068.33049.1730.00367.49301.550.872901.5300.005.0000.0028.00485.650.000.000.000.0068.33069.33050.9591.5885.00028.00470.350.000.000.000.000.00365.32298.420.8547969.33070.33052.8170.001.6550.005.00028.00453.290.000.000.000.000.00361.14294.610.8350870.33071.33054.7580.001.7330.005.00028.00434.210.000.000.000.000.00354.63289.940.8135471.33072.33056.7970.001.8260.005.00028.00412.850.000.000.000.000.00345.45284.230.7899172.33073.33058.9550.001.9390.005.00028.00388.760.000.000.000.000.00333.07277.170.7638273.33074.33061.2570.002.0800.005.00028.00361.430.000.000.000.000.00316.90268.350.7347874.33075.33063.7440.002.2610.005.00028.00324.570.000.000.000.000.00291.08252.930.7020875.33076.33066.4750.002.5060.005.00028.00277.000.000.000.000.0050.00299.82269.110.6646676.33077.33069.5510.002.8630.005.00028.00222.230.000.000.000.0050.00255.08241.250.6207177.33078.39373.3120.003.7010.005.00028.00163.370.000.000.000.000.00156.49163.280.5645578.39379.45578.4840.005.3250.005.00028.0060.970.000.000.000.000.0059.7478.050.483390.000.00总的下滑力=9541.166(kN)总的抗滑力=17522.582(kN)土体部分下滑力=9541.166(kN)土体部分抗滑力=17522.582(kN)筋带在滑瓠切向产生的抗滑力=0.000(kN)筋带在滑瓠法向产生的抗滑力=0.000(kN)软件版本:理正岩±7.0通过计算,本次设计边坡安全系数1.836>1.35,满足规范要求。5顶管接收井5.2.0<H6.0m分离式圆形水池设计(F1.YSC-I)项目名称构件编号B期设计校对审核执行规范:混凝土结构设计规范(GB50010-2010),本文简称混凝土规范建筑地基基础设计规范(GB50007-2011),本文简称地基规范建筑结构荷载规范(GB50009-2012),本文简称荷载规范给水排水工程构筑物结构设计规范(GB50069-2002),本文简称给排水结构规范给水排水工程钢筋混凝土水池结构设计规程(CECS138-2002),本文简称水池结构规程钢