型鋼、321鋼便橋技術(shù)參數(shù)

1、熱扎槽鋼(GB 70788)型號(hào)尺m寸m截面面積2cm理論質(zhì)量Kg/m參考數(shù)值X-XY-YY1-Y2Z0cmWxcm3Ixcm4ixWYcm3IYcm4IY5cm4hbdtrr1550374.577.03.56.9285.43810.426.01.943.558.31.120.91.356.363404.87.57.53.8& 4516.63416.150.82.454.5011.91.192&41.36880435.08&04.010.2488.04525.31013.155.7916.61.2737.41.4310100485.38.58.54.212.74810.00739.71983.

2、957.825.61.4154.91.5212.6126535.599.04.515.69212.31862.13914.9510.23&01.5777.11.5914a140586.09.59.54.818.51614.53580.55645.5213.053.21.701071.7114b140608.09.59.54.821.31616.73387.16095.3514.161.11.691211.6716a160636.51010.05.021.96217.2401088666.2816.373.31.831441.8016160658.51010.05.025.16219.75211

3、79356.1017.683.41.821611.7518a180687.010.510.55.225.699200420.09&61.961901.8818180709.010.510.55.229.29923.00015213706.8421.51111.952101.8420a200737.01111.05.528.83722.63717817807.8624.21282.112442.0120200759.01111.05.532.83725.77719119107.6425.91442.092681.9522a220777.011.511.55.831.84

4、624.99921823908.672&21582.232982.1022220799.011.511.55.836.24628.45323425708.4230.11762.213262.0325a250787.01212.06.034.91727.41027033709.8230.61762.243222.0725b2508091212639.91731.33528235309.4132.71962.223531.9825c25082111212644.91735.26029536909.0735.92182.213841.9228a280827.512.512.56.240.03431.

5、427340476010.935.72182.333882.1028b280849.512.512.56.245.63435.823366513010.637.92422.304282.0228c2808611.512.512.56.251.23440.219393550010.440.32682.294631.9532a3208881414748.51338.083475760012.546.53052.55522.2432b32090101414754.91343.107509814012.249.23362.475932.1632c32092121414761.3134& 1315438

6、69011.952.63742.476432.0936a3609691616860.91047.814660119001463.54552.738182.4436b36098111616868.11053.4667031270013.666.94972.708802.3736c360100131616875.31059.1187461340013.4705362.679482.3440a40010010.51818975.06858.9288791760015.37&85922.8110702.4940b40010212.51818983.06865.208932186001582.56402

7、.7811402.4440c40010414.51818991.06871.4889861970014.786.26882.7512202.42熱扎工字鋼(GB 70688)號(hào)尺寸mm截面面積2cm理論質(zhì)量Kg/mX-XY-YIx4Wx3ixIY4WY3iYhbdtrr110100684.57.66.53.314.34511.261245494.14339.721.5212.61267458.47.03.518.11814.22348877.55.246.912.71.6114140805.59.17.53.821.51616.897121025.7664.416.11.7316160886.

8、09.9&04.026.13120.51311301416.5893.121.21.8918180946.510.78.54.330.7562436122262.0020a2001007.011.494.535.57827.92923702378.1515831.52.1220b2001029.011.494.539.57831.06925002507.9616933.12.0622a2201107.512.39.54.842.12833.07034003098.9922540.92.3122b2201129.512.39.64.846.52836.524357032

9、58.7823942.72.2725a2501168.013.010.05.048.54138.105502040210.228048.32.4025b25011810.013.010.05.053.54142.03052804239.9430952.42.4028a2801228.513.710.55.355.40443.492711050811.334556.62.5028b28012410.513.710.55.361.00447.888748053411.137961.22.4932a3201309.515.011.55.867.15652.7171110069212.846070.8

10、2.6232b32013211.515.011.55.873.55657.7411160072612.650276.02.6132c32013413.515.011.55.879.95662.7651220076012.354481.22.6136a36013610.015.812.06.076.48060.0371580087514.455281.22.6936b36013812.015.812.06.083.68065.6891650091914.158284.32.6436c36014014.015.812.06.090.88071.3411730096213.861287.42.604

11、0a40014210.516.512.56.386.11267.59821700109015.966093.22.7740b40014412.516.512.56.394.11273.87822800114015.669296.22.7140c40014614.516.512.56.3102.11280.15823900119015.272799.62.6545a45015010.518.013.56.8102.44680.42032200143017.78551142.8945b45015212.518.013.56.8111.44687.48533800150017.48941182.84

12、45c45015414.518.013.56.8120.44694.55035300157017.19381222.7950a50015812.020.014.07.0119.30493.65445600186019.711201423.0750b50016014.020.014.07.0129.304101.50448600194019.411701463.0150c50016216.020.014.07.0139.304109.35450600208019.012201512.9656a56016612.521.014.57.3135.435106.31665600234022.01370

13、1653.1856b56016814.521.014.57.3146.635115.10868500245021.614901743.1656c56017016.521.014.57.3157.835123.90071400255021.315601833.1663a63017613.022.015.07.5154.658121.40793900298024.517001933.3163b63017815.022.015.07.5167.258131.29898100316024.218102043.2963c63018017.022.015.07.5179.189141.1891020003

14、30023.819202143.27321 型鋼橋梁技術(shù)參數(shù)、荷載跨徑與橋梁組合配置表跨徑（m）荷載汽車10級(jí)汽車15級(jí)汽車20級(jí)履帶50級(jí)掛車80級(jí)9S,SS,SS,SS,S12S,SS,SS,SS,SD,S15S,SS,SS,S,RS,S,RD,S18S,SS,S,RD,SD,SD,S21S,S,RS,S,RD,SD,SD,S,R24S,S,RD,SD,SD,S,RD,S,R27S,S,RD,S,RD,S,RD,S,RD,S,R30D,SD,S,RD,S,RD,S,RT,S,R33D,S,RD,S,RD,S,RD,S,RT,S,R36D,S,RD,S,RD,S,RD,S,RT,S,R39D

15、,S,RD,S,RT,S,RT,S,RT.D ,R42D,S,RT,S,RT,S,RT,S,RT.D ,R45T,S,RT,S,RT.D,RT.D,R48T,S,RD,D ,RT.D,RT.D,R51D,D ,RD,D ,RT.D,RT.D,R54D,D ,RD,D ,RT.D,R57D,D ,RT.D ,RT.D,R60D,D ,RT.D ,RT.D,R63T.D ,R1、S,S表示單排單層；D,S表示雙排單層；T,S表示三排單層；D,D表示雙排雙層；T,D表示三排雙層；2、S,S、D,S、T,S、D,D和T,D之后加R,則表示它們的加強(qiáng)型即有加強(qiáng)弦桿的。二、321型鋼橋各類組合每節(jié)重量表（

16、KN）（木K橋面）全部裝齊橋面板、護(hù) 輪木未裝橋面板、護(hù)輪木、 縱梁未裝單排單層不加強(qiáng)22.715.711.5加強(qiáng)26.319.315.1雙排單層不加強(qiáng)28.721.717.5加強(qiáng)35.728.724.5三排單層不加強(qiáng)34.427.423.2加強(qiáng)45.038.033.8雙排雙層不加強(qiáng)40.233.229.0加強(qiáng)476.340.336.1三排雙層不加強(qiáng)51.744.740.5加強(qiáng)62.355.351.1三、321型鋼橋各類組合每節(jié)重量表（KN）（鋼岡橋面）全部裝齊中央鋼橋、面板未裝標(biāo)準(zhǔn)，中央鋼板面板， 路緣未裝單排單層不加強(qiáng)21.720.411.5加強(qiáng)25.324.015.1雙排單層不加強(qiáng)27.

17、726.417.5加強(qiáng)34.733.424.5三排單層不加強(qiáng)33.432.123.2加強(qiáng)44.042.733.8雙排雙層不加強(qiáng)39.237.929.0加強(qiáng)46.345.036.1三排雙層不加強(qiáng)50.749.440.5加強(qiáng)61.360.051.1四、321 鋼橋?qū)嶋H架設(shè)過(guò)程中，不僅僅是只有簡(jiǎn)支梁的情況，往往需要考慮多跨連續(xù)結(jié)構(gòu)， 而連續(xù)梁橋在跨中和連續(xù)支點(diǎn)處，都有可能出現(xiàn)最大的彎矩，而同時(shí)產(chǎn)生的剪力亦有可能達(dá) 到最大值，所以要對(duì)桁架進(jìn)行驗(yàn)算。其次是利用 321鋼橋來(lái)加固運(yùn)送大型構(gòu)件的橋梁以及用 作架橋設(shè)備等，都需要對(duì)桁架進(jìn)行驗(yàn)算，為方便計(jì)算、提供驗(yàn)算時(shí)參考，將幾何組合形式和 橋梁容許內(nèi)力列于下表

18、橋梁幾何特征和和容許內(nèi)力表W (cm3)I (cm4)彎矩(KN.m)剪力（KN）單排單層不加強(qiáng)3578.5250497.2788.2245.2加強(qiáng)7699.1577434.41687.5245.2雙排單層不加強(qiáng)7157.1500994.41576.4490.5加強(qiáng)15398.31154868.83375.0490.5三排單層不加強(qiáng)10735.6751491.62246.4698.9加強(qiáng)23097.41732303.24809.4698.9雙排雙層不加強(qiáng)14817.92148588.83265.4490.5加強(qiáng)30641.74596255.26750.0490.5三排雙層不加強(qiáng)22226.83

19、222883.24653.2698.9加強(qiáng)45962.66894382.89618.8698.9表中數(shù)值為半邊橋之值,全橋時(shí)應(yīng)乘以 2。桁架銷子雙剪狀態(tài)允許剪力550KN； 螺桿螺栓允許剪力150KN，允許拉力80KN；五、各類汽車荷載、橋梁組合形式與相應(yīng)的跨徑內(nèi)力見下表桁架橋內(nèi)力表荷載等級(jí)組合形式s,sD,ST,SD,DT,DS,S,RD,S,RT,S,RD,D,RT,D,R容許788.21576.42246.43256.44653.21687.53375.04809.46750.09618.8容許剪力245.2490.5698.9490.5698.9245.2490.5698.9490.5698.9汽車-10級(jí)跨徑L(m)18303642483045516069彎矩(KN.m)643.31547.62173.33012.64382.51519.23238.34505.16243.29508.3剪力(KN)159217.3261.9312.1385.2213.7308.5374.5438.9572.1汽車-15級(jí)跨徑L(