道路勘察課程設(shè)計

1、公路勘測設(shè)計說明書一、課程設(shè)計的目的和任務(wù)?公路勘測設(shè)計?課程設(shè)計是公路與城市道路專業(yè)的實踐課。本實踐課的主要目的和任務(wù)是：1、設(shè)計文件中原始資料的查詢、收集; 2、掌握平面設(shè)計、縱斷面設(shè)計、橫斷面設(shè)計中各種設(shè)計指標(biāo)的選取，初步學(xué) 習(xí)各相關(guān)標(biāo)準(zhǔn)的查找及使用。二、課程設(shè)計的內(nèi)容和要求?公路勘測設(shè)計?課程設(shè)計的內(nèi)容：1按照地形地物的規(guī)定識別道路沿線 自然特征；2平面設(shè)計一一各種幾何參數(shù)的選??；3縱斷面設(shè)計一一主要指 標(biāo)的選擇；4橫斷面設(shè)計一一路幅布置及路拱坡度。 由于路基路面工程沒有單 獨的課程設(shè)計，所以本設(shè)計還包含一局部路基路面的結(jié)構(gòu)綜合設(shè)計內(nèi)容。?公路勘測設(shè)計?課程設(shè)計的內(nèi)容：1通過資料查閱和

2、學(xué)習(xí)了解道路設(shè)計 的根本方法；2掌握平、縱、橫設(shè)計之間的關(guān)系并學(xué)會運用，學(xué)會路基路面的 結(jié)構(gòu)綜合設(shè)計。三、設(shè)計資料道路等級：一級設(shè)計行車速度：100Km/h地形圖：見圖四、工程介紹鄧王一級公路，里程樁號 K0 000mK3 3128.8475m，全長3128.847m五、地形地貌該地區(qū)屬沖積平原，地形開闊，地勢起伏平緩，沿線河流、排灌溝渠交錯， 農(nóng)田水利設(shè)施完善，鄉(xiāng)村道路網(wǎng)密集、區(qū)域內(nèi)均為高產(chǎn)農(nóng)田區(qū)。沿途小溝渠較多 可采用涵洞處理。擬建公路沿線地勢總體較平坦，沿途多為農(nóng)田。K1 480m, K1+940m K2+420,K2+740,K2+76和 K3+128.8475處地勢較低，需進(jìn) 行高填

3、方，路基采用攪拌樁處治。沿途小溝渠較多可采用涵洞處理。K0 560m, K1+940m K1+960m，K2+420和K2+820處要求橫跨公路，可設(shè)置凈空 為6m的通道橫跨。K1+60m處有一水塘，須進(jìn)行填方，路基采用攪拌樁處治。六、道路所在地區(qū)的土壤、地質(zhì)、水文資料、氣候1土壤:本段內(nèi)地層主要由第四系松散沉積層所組成， 表層為素填土和粘性土。土質(zhì) 均一，呈硬塑一一半硬塑狀2地質(zhì)構(gòu)造：該地段經(jīng)歷了歷史上比擬復(fù)雜的活動時期， 其活動方式在不同的歷史時期出現(xiàn)明顯的多樣化，整個地區(qū)無不良地質(zhì)現(xiàn)象，工程地質(zhì)良好。3水文：m并隨汛期發(fā)生變化地下水表現(xiàn)為碳酸鹽山丘區(qū)的巖溶水。氣候° °

4、;°° C,歷年的平均最高積雪深度20，最大凍土深度是33,歷年平均的無霜 期163.5天，氣候區(qū)年內(nèi)的平均降水量 884.0 ,歷年的最大年降水量1358.0，7 10月份降水相對集中，區(qū)域內(nèi)常年的主導(dǎo)風(fēng)向為東北風(fēng)，歷年的平均風(fēng)速為3.3， 最大風(fēng)速為16.8，& 9月份受臺風(fēng)影響區(qū)內(nèi)空氣濕度較大，年平均相對濕度為70流右，最小相對濕度為65%最大相對濕度為85%七、 不良地質(zhì)go八、交通量資料該路段交通量組成如下:車型總重前軸重后軸重后軸數(shù)前軸數(shù)交通量小汽車115200南京NJ-130111200解放CA-10B12800東風(fēng)EQ-140121000黃河JN-1

5、504912800太脫拉13822600以上為實測交通量組成，高速公路交通量年平均增長率為8%2.4 設(shè)計標(biāo)準(zhǔn)本設(shè)計在設(shè)計過程中主要依據(jù)以下標(biāo)準(zhǔn)進(jìn)行設(shè)計，分別為(1)部頒?公路工程技術(shù)標(biāo)準(zhǔn)?JTGB01-2003(2)部頒?公路路線設(shè)計標(biāo)準(zhǔn)?JTJ011-97(3)部頒?公路工程地質(zhì)勘察規(guī)程?JTJ061-99(4)部頒?公路路基設(shè)計標(biāo)準(zhǔn)?JTGD30-2004(5)部頒?公路路基施工技術(shù)標(biāo)準(zhǔn)?JTJ033-95(6)部頒?公路瀝青路面設(shè)計標(biāo)準(zhǔn)?JTGD50-2004一.道路勘測設(shè)計1平面設(shè)計1.1 定點選線：根據(jù)設(shè)計任務(wù)書及上述選線規(guī)那么我們小組擬兩種路線方案，以下圖所示一種1.2 平面線逐

6、樁坐標(biāo)計算:定起點BP坐標(biāo)為505400.0000，4176400.0000，路線如以下圖:鄧王一級公路逐樁坐標(biāo)表，見附表 1樁號坐標(biāo)方位角X(m)Y(m)K0+000505400.00004176400.0000340.0426K0+020505418.79894176393.1736340.0426K0+040505437.59794176386.3472340.0426K0+060505456.39684176379.5208340.0426K0+080505475.19584176372.6943340.0426K0+100505493.99474176365.8679340.0426

7、K0+120505512.79364176359.0415340.0426K0+140505531.59264176352.2151340.0426K0+160505550.39154176345.3887340.0426K0+180505569.19044176338.5623340.0426K0+200505587.98944176331.7359340.0426K0+220505606.78834176324.9095340.0426K0+240505625.58734176318.0830340.0426K0+260505644.38624176311.2566340.0426K0+2

8、805056634302340.0426K0+300505681.98414176297.6038340.0426K0+320505700.78304176290.7774340.0426K0+340505719.58204176283.9510340.0426K0+360505738.38094176277.1246340.0426K0+3805057572982340.0426K0+400505775.97884176263.4717340.0426K0+420505794.77774176256.6453340.0426K0+44050

9、5813.57664176249.8189340.0426K0+460505832.37564176242.9925340.0426505840.21604176240.1454340.0426K0+4805058511844340.2335K0+500505870.02194176229.4744340.5609K0+520505888.90084176222.8722340.8883K0+540505907.81704176216.3781341.2157K0+560505926.77014176209.9921341.5431K0+580505945.75934

10、176203.7145341.8705K0+600505964.78414176197.5455342.1979K0+620505983.84384176191.4854342.5253K0+640506002.93794176185.5342342.8527K0+660506022.06564176179.6923343.1801K0+680506041.22644176173.9597343.5075K0+700506060.41974176168.3368343.8349K0+720506079.64484176162.8236344.1624K0+740506098.901041761

11、57.4203344.4898K0+7605061181272344.8172K0+780506137.50464176146.9444345.1446K0+800506156.85074176141.8720345.4720K0+820506176.22544176136.9103345.7994K0+840506195.62824176132.0594346.1268K0+860506215.05844176127.3194346.4542K0+880506234.51534176122.6905346.7816K0+900506253.99844176118.1

12、729347.1090K0+920506273.50694176113.7667347.4364K0+940506293.04044176109.4720347.7638K0+960506312.59804176105.2890348.0912K0+9805063322179348.4186K1+000506351.78344176097.2587348.7460K1+020506371.40994176093.4116349.0734K1+040506391.05804176089.6767349.4008K1+060506410.72724176086.05413

13、49.7282K1+080506430.41674176082.5440350.0556K1+100506450.12604176079.1465350.3830K1+120506469.85444176075.8617350.7104K1+140506489.60124176072.6896351.0378506493.92944176072.0098351.1096K1+160506509.36584176069.6304351.3653K1+1805065296842351.6927K1+200506548.94594176063.8511352.0201K1+

14、220506568.76014176061.1312352.3475K1+240506588.58944176058.5245352.6749K1+260506608.43344176056.0312353.0023K1+280506628.29134176053.6514353.3297K1+300506648.16244176051.3850353.6571K1+320506668.04624176049.2322353.9845K1+340506687.94194176047.1931354.3119K1+360506707.84904176045.2677354.6393K1+3805

15、06727.76684176043.4561354.9667K1+400506747.69464176041.7584355.2941K1+420506767.63174176040.1745355.6215K1+440506787.57764176038.7046355.9489K1+460506807.53164176037.3487356.2763K1+480506827.49294176036.1068356.6037K1+500506847.46114176034.9790356.9311K1+520506867.43544176033.9654357.2585K1+54050688

16、7.41514176033.0659357.5859K1+560506907.39964176032.2805357.9133K1+580506927.38834176031.6094358.2407K1+600506947.38064176031.0526358.5682K1+620506967.37564176030.6099358.8956K1+640506987.37294176030.2816359.2230K1+660507007.37174176030.0675359.5504K1+680507027.37154176029.9677359.8778K1+700507047.37

17、144176029.98210.2052K1+720507067.37104176030.11090.5326K1+740507087.36954176030.35390.8600K1+760507107.36634176030.71131.1874K1+780507127.36074176031.18281.5148K1+800507147.35214176031.76861.8422K1+820507167.33984176032.46872.1696507167.76074176032.48472.1765K1+840507187.32544176033.22822.1765507198

18、.92834176033.66922.1765K1+860507207.31134176033.97902.0563K1+880507227.30014176034.64671.7699K1+900507247.29204176035.21441.4834K1+920507267.28654176035.68211.1969K1+940507287.28314176036.04990.9104K1+960507307.28134176036.31770.6239K1+980507327.28064176036.48550.3375K2+000507347.28044176036.55330.0

19、510K2+020507367.28044176036.5211359.7645K2+040507387.27994176036.3889359.4780K2+060507407.27864176036.1567359.1915K2+080507427.27584176035.8245358.9051K2+100507447.27114176035.3923358.6186K2+120507467.26404176034.8602358.3321K2+140507487.25404176034.2281358.0456K2+160507507.24064176033.4960357.75925

20、07507.31424176033.4932357.7581K2+180507527.22324176032.6641357.4727K2+200507547.20224176031.7322357.1862K2+2205075677005356.8997K2+2405075875689356.6132K2+260507607.10484176028.3375356.3268K2+280507627.06044176027.0062356.0403K2+300507647.00924176025.5753355.7538K2+32050766

21、6.95054176024.0446355.4673K2+340507686.88394176022.4142355.1808K2+360507706.80894176020.6841354.8944K2+380507726.72504176018.8545354.6079K2+400507746.63174176016.9253354.3214K2+420507766.52864176014.8966354.0349K2+440507786.41504176012.7684353.7484K2+460507806.29054176010.5408353.4620507814.77004176

22、009.5599353.3397K2+4805078262302353.3397K2+500507846.02164176005.9106353.3397K2+520507865.88674176003.5909353.3397K2+540507885.75174176001.2713353.3397K2+560507905.61674175998.9516353.3397K2+580507925.48174175996.6320353.3397K2+600507945.34684175994.3123353.3397K2+620507965.21184175991.

23、9927353.3397K2+640507985.07684175989.6730353.3397K2+660508004.94184175987.3534353.3397K2+680508024.80694175985.0337353.3397K2+700508044.67194175982.7141353.3397K2+720508064.53694175980.3944353.3397K2+740508084.40194175978.0748353.3397K2+760508104.26704175975.7551353.3397K2+7805081244355

24、353.3397K2+800508143.99704175971.1158353.3397K2+820508163.86204175968.7962353.3397K2+840508183.72714175966.4765353.3397K2+860508203.59214175964.1569353.3397K2+880508223.45714175961.8372353.3397K2+900508243.32214175959.5176353.3397K2+9205082631979353.3397K2+940508283.05224175954.8783353.

25、3397K2+960508302.91724175952.5586353.3397K2+980508322.78224175950.2390353.3397K3+000508342.64734175947.9193353.3397K3+020508362.51234175945.5996353.3397K3+040508382.37734175943.2800353.3397K3+060508402.24234175940.9603353.3397K3+080508422.10744175938.6407353.3397K3+100508441.97244175936.3210353.3397

26、K3+120508461.83744175934.0014353.3397508470.62514175932.9752353.3397一般情況下，考慮排水要求，最小縱坡取為0.3%0.5% ;考慮行駛順適與平安，控制最大縱坡不超過4%最短坡長300 m ;最小豎曲線半徑凹形為4000m，凸形為 10000m,極限為 6500m.根據(jù)豎曲線半徑的有關(guān)規(guī)定，選用豎曲線的半徑為凸形8000m,15000m.凹 形為 4500m,5000m豎曲線要素計算公式及示意圖如下:豎曲線長度L:L=Rw豎曲線切線長T:T11LR22豎曲線外距E:ET2 R2 22R8豎曲線上任一點豎距h: i2 i12 x2

27、R公式中：x豎曲線上任一點至豎曲線起點的距離對于凸形豎曲線，設(shè)計標(biāo)高=切線高程-h。對于凹形豎曲線，設(shè)計標(biāo)高=切線高程+h o二、橫斷面設(shè)計2.1交通量資料交通量組成車型總重前軸重后軸重后軸數(shù)前軸數(shù)交通量小汽車11500南京NJ-130111200解放CA-10B12800東風(fēng)EQ-140121000黃河JN-1504912800太脫拉13822600以上為實測交通量組成，高速公路交通量年平均增長率為 8%各級公路通用的車輛折算系數(shù)車型中型汽車小客車拖掛車大型車折算系數(shù)那么：N。1000 1 (800 800) 2 (1000 1 200 600) 1.5 8400N = No( 1 + r

28、)式中：M -遠(yuǎn)景設(shè)計年限日平均交通量，輛/日；N>-起始年平均日交通量，輛/日；包括現(xiàn)有交通量和道路建成后從其他 道路上吸引過來的交通量；r -交通年增長率，r =6%n-遠(yuǎn)景設(shè)計年限，n =15采用以小汽車為標(biāo)準(zhǔn)的折算系數(shù),累計交通量為：M =8400 X (1+6%)15-1=18991 (輛/日)。根據(jù)?公路工程技術(shù)標(biāo)準(zhǔn)?JTG B01-2003可知， 四車道的設(shè)計交通量為25000 55000輛/日，設(shè)計車速為100km/h。本設(shè)計中遠(yuǎn) 景設(shè)計年限平均日交通量為18991輛/日，接近25000輛/日，故本設(shè)計采用四車 道。2.2行車道寬度根據(jù)調(diào)查研究及參考國外資料,設(shè)計車速?1

29、00km/h時,車道寬度應(yīng)為m2.3 路肩本設(shè)計設(shè)計車速為 120km/h m m m m。2.4橫斷面設(shè)計指標(biāo)：本設(shè)計為平原微丘區(qū)高速公路，路基寬取 26 m m X m m。填方邊坡為1： 1.5， 挖方邊坡為1: 1，護(hù)坡道1米，邊溝采用梯形邊溝，溝底寬度取1 m，溝壁坡 度為1:1。路基標(biāo)準(zhǔn)橫斷面示意圖如下:053,土路肩t.路肩路地樁 公用界5I2-帶帶553.7 UO路肩路肩路地樁 公用界路基標(biāo)準(zhǔn)橫斷面圖2.5 路基土石方計算2.5.1 橫斷面面積計算將橫斷面按單位橫寬劃分為假設(shè)干個梯形、矩形與三角形條塊，每個小條塊 的近似面積分別為S、S2Sn。那么橫斷面的面積為：nS S1 S

30、2 SnSii 12.5.2 土石方數(shù)量的計算常用的土石方數(shù)量的計算方法有平均斷面法和棱臺法兩種，本次計算采用平均斷面法，計算方法如下：把兩相鄰斷面均為填方或均為挖方且面積大小相近，那么可假定兩斷面之間為 一棱柱如上圖，其體積的計算公式為：1V (R F2)L2式中：V 體積，即土石方數(shù)量m3F1、F2 分別為兩相鄰斷面的面積m2L相鄰斷面之間的距離m土石方表路基路面課程設(shè)計樁號地面標(biāo)冋(m)設(shè)計標(biāo) 高(m)填挖高(m)橫坡()路基寬度(m)設(shè)計高差(m)中樁填挖 高(m)左右左側(cè)右側(cè)左路邊中樁右路邊K0+0005.3005.3000.00000.0005.3005.287-0.0130-0.

31、0135.3005.275-0.0250-0.0255.3005.263-0.0370-0.0375.2005.2500.05000.0505.2005.2370.03700.0375.2005.2250.02500.0255.2005.2130.01300.0135.5005.200-0.3000-0.3005.1005.1880.08800.0885.2005.175-0.0250-0.0255.2005.162-0.0380-0.0385.3005.150-0.1500-0.1505.4005.138-0.2630-0.2635.3005.125-0.1750-0.1755.3005.1

32、12-0.1880-0.1885.3005.100-0.2000-0.2005.3005.088-0.2120-0.2125.3005.075-0.2250-0.2255.3005.063-0.2370-0.2375.2005.050-0.1500-0.1505.2005.037-0.1630-0.1635.2005.025-0.1750-0.1755.2005.013-0.1880-0.1885.2005.000-0.2000-0.2005.2004.987-0.2130-0.2135.2004.975-0.2250-0.2255.2004.963-0.2370-0.2375.2004.95

33、0-0.2500-0.250K0+5805.0004.938-0.0630-0.063K0+6005.0004.925-0.0750-0.0755.0004.912-0.0880-0.0885.0004.900-0.1000-0.1004.9004.890-0.0100-0.0104.8004.8830.08300.0834.8004.8810.08100.0814.8004.8830.08300.0834.8004.8880.08800.0884.8004.8980.09800.0984.8004.9120.11200.1124.8004.9290.12900.1294.8004.9510.

34、15100.1514.8004.9760.17600.1764.8005.0060.20600.2064.8005.0400.24000.2404.8005.0770.27700.2774.8005.1190.31900.3194.9005.1650.26500.2654.9005.2140.31400.3145.0005.2660.26600.266K1+0005.0005.3180.31800.3185.1005.3700.27000.2705.0005.4210.42100.4215.2005.4730.27300.2735.0005.5250.52500.5255.2005.5770.

35、37700.3775.2005.6290.42900.4295.1005.6800.58000.5805.0005.7320.73200.732K1+1805.0005.7840.78400.784K1+2005.0005.8360.83600.8365.0005.8880.88800.8885.1005.9390.83900.8395.2005.9910.79100.7915.2006.0430.84300.8435.2006.0950.89500.8955.2006.1460.94600.9465.2006.1980.99800.9985.2006.2501.05001.0505.3006

36、.3021.00201.0025.3006.3541.05401.0545.3006.4051.10501.1055.2006.4571.25701.2575.1006.5091.40901.4094.4006.5612.16102.1615.0006.6121.61201.6125.3006.6641.36401.3645.3006.7161.41601.4165.3006.7681.46801.4685.3006.8201.52001.5205.4006.8711.47101.4715.4006.9231.52301.5235.4006.9751.57501.5755.4007.0261.

37、62601.6265.6007.0741.47401.4745.4007.1181.71801.7185.5007.1581.65801.6585.5007.1941.69401.6945.5007.2261.72601.726K1+7805.5007.2541.75401.754K1+8005.5007.2781.77801.7785.5007.2981.79801.7985.5007.3141.81401.8145.5007.3261.82601.8265.3007.3342.03402.0345.2007.3382.13802.1387.7007.338-0.3620-0.3624.00

38、07.3343.33403.3346.0007.3261.32601.3267.0007.3140.31400.314K2+0006.0007.2981.29801.2985.0007.2772.27702.2775.4007.2531.85301.8535.6007.2251.62501.6255.5007.1931.69301.6935.3007.1571.85701.8575.3007.1171.81701.8175.4007.0731.67301.6735.5007.0251.52501.5255.6006.9731.37301.3735.7006.9181.21801.2185.60

39、06.8621.26201.2625.6006.8061.20601.2065.5006.7501.25001.2505.4006.6941.29401.2945.0006.6381.63801.6385.0006.5821.58201.5825.5006.5261.02601.0265.5006.4710.97100.971K2+3805.5006.4150.91500.915K2+4005.5006.3590.85900.8593.8006.3032.50302.5036.0006.2470.24700.2475.5006.1910.69100.6915.5006.1350.63500.6

40、355.5006.0790.57900.5795.5006.0240.52400.5245.5005.9680.46800.4685.6005.9120.31200.3125.6005.8570.25700.2575.8005.8060.00600.0065.8005.760-0.0400-0.0405.8005.717-0.0830-0.0835.6005.6750.07500.0755.6005.6340.03400.0345.6005.592-0.0080-0.0085.6005.550-0.0500-0.0504.8005.5090.70900.7094.8005.4670.66700

41、.6675.6005.426-0.1740-0.1745.6005.384-0.2160-0.2165.4005.342-0.0580-0.0585.3005.3010.00100.0015.3005.259-0.0410-0.0415.3005.218-0.0820-0.0825.3005.176-0.1240-0.1245.4005.134-0.2660-0.2665.4005.093-0.3070-0.3075.3005.051-0.2490-0.249K2+9805.2005.010-0.1900-0.190K3+0005.2004.968-0.2320-0.2325.3004.926-0.3740-0.3745.4004.885-0.5150-0.5155.5004.843-0.6570-0.6575.5004.802-0.6980-0.6985.4004.760-