基坑支护设计手册设计参数

TOC\o"1-3"\h\z第一章砼钢材的物理力学性质指标 1第一节砼的物理力学性质指标 1一、砼强度标准值（N/mm2） 1二、砼强度设计值（N/mm2） 1三、砼弹性模量（×104N/mm2） 1第二节 钢筋的物理力学性质指标 2一、普通钢筋强度标准值、设计值 2二、预应力钢筋强度标准值、设计值 2三、钢筋弹性模量（×105N/mm2） 3四、钢绞线公称直径、截面面积、理论重量 3五、钢筋公称直径、截面面积、理论重量 4第三节水泥搅拌桩物理力学指标 5一、水泥土抗剪强度与抗压强度关系表 5二、水泥土的变形模量 5三、水泥土抗压强度 6四、水泥土龄期与抗压强度的关系 6第二章基坑规范摘录 7一、基坑变形控制值 7二、锚杆安全系数 7三、支护结构基底摩擦系数 7四、岩土与锚固体间的粘结强度 8五、锚管、锚杆水平刚度系数 9六、圆桩配筋表 10七、基坑支护设计的基本概念 12第三章型钢钢管截面面积及单位重量 15第一节水、煤气输送钢管（YB234-63） 15第二节电焊钢管（YB242-63） 16第三节热扎无缝钢管(YB231-70) 19第四节槽钢 23第五节工字钢 24第六节等边角钢 25第四章岩土工程地质参数 26第一节岩石分类 26第二节地质年代表 28第三节土的物理性质指标 29第五节广东省常见土质的物理力学性质指标经验值 30第五章常用灌浆材料配制 31第一节浆材配制计算公式 31第二节粘土浆材配制 34第三节水泥、水玻璃浆材配制 36第六章常用计算公式和计量单位 38第一节常用计算公式 38一、体积 38二、钢管砼竖向承载力设计值 38第二节常用法定计量单位与法定计量单位的关系 39第三节灌浆压力换算关系 45第七章坝基帷幕的建议防渗标准 46第一节试段透水率计算 46第二节渗透系数计算 46第三节试段透水率与单位吸水量的关系 47岩土渗透性分级表 48第五节岩石帷幕防渗标准 48第一章砼钢材的物理力学性质指标摘自《混凝土结构设计规范》GB50010-2002。第一节砼的物理力学性质指标一、砼强度标准值（N/mm2）强度种类符号砼强度等级C7.5C10C15C20C25C30C35C40C45C50C55C60C65C70C75C80轴心抗压fck56.71013.416.720.123.426.829.632.435.538.541.544.547.450.2抗拉ftk0.750.91.271.541.782.012.202.392.512.642.742.852.932.993.053.11二、砼强度设计值（N/mm2）强度种类符号砼强度等级C7.5C10C15C20C25C30C35C40C45C50C55C60C65C70C75C80轴心抗压fc3.75.07.29.611.914.316.725.327.529.731.833.835.9抗拉ft0.550.650.911.11.271.431.571.711.81.891.962.042.02注:1、计算现浇砼轴心受压及偏心受压构件时,如截面的边长或直径小于300时,则表中强度设计值乘以系数0.8。三、砼弹性模量（×104N/mm2）砼强度等级C7.5C10C15C20C25C30C35C40C45C50C55C60C65C70C75C80EC1.451.752.202.552.803.0053.453.553.603.653.703.753.80说明：C7.5、C10砼的力学指标摘自GBJ10-89。钢筋的物理力学性质指标一、普通钢筋强度标准值、设计值种类符号FykfyFy’热轧钢筋HPB235（Q235）φ235210210HRB335（20MnSi）Φ335300300HRB400（20MnSiV、20MnSiNb、20MnTi）O400360360RRB400（K20MnSi）OR400360360注：Fyk－强度标准值fy－抗拉强度设计值Fy’－抗压强度设计值二、预应力钢筋强度标准值、设计值种类符号FptkFpyF’py钢绞线1×3φs1860132039017201220157011101×71860132039017201220消除应力钢丝光面螺旋肋ΦpφH177012504101670118015701110刻痕φ处理钢筋40Si2MnφHT1470104040048Si2Mn45SiCr三、钢筋弹性模量（×105N/mm2）种类EsHPB235级钢筋2.1HRB335级钢筋、HRB400级钢筋、RRB400级钢筋、热处理钢筋2.0消除应力钢丝（光面钢丝、螺旋肋钢丝、刻痕钢丝）2.05钢绞线1.95四、钢绞线公称直径、截面面积、理论重量序号种类公称直径（mm）公称截面面积（mm2）理论重量（kg/m）11×38.637.40.29810.859.30.46512.985.40.67121×79.554.80.438012.798.70.77415.2139.01.101注：多股钢绞线截面面积和单位重量可根据实测值调整。一般情况下φ15.2mm钢绞线的实测截面积为140mm2，每延米重量为1.125kg/m。五、钢筋公称直径、截面面积、理论重量直径（mm）计算截面面积（cm2）理论质量（kg/m）直径(mm）计算截面面积（cm2）理论质量（kg/m）2.50.0490.039192.8352.23030.0710.055203.1422.46640.1260.099213.4642.72050.1960.154223.8012.98460.2830.222234.1553.26070.3850.302244.5243.55180.5030.395254.9093.8590.6350.499265.3094.17100.7850.617275.7264.495110.9500.750286.1534.83121.1310.888307.0695.55131.3271.040328.0436.31141.5391.208349.0797.13151.7671.390359.6207.50162.0111.5783610.1797.99172.2701.7804012.5619.865182.5451.998第三节水泥搅拌桩物理力学指标一、水泥土抗剪强度与抗压强度关系表试验方法无侧限抗压强度fcu(KPa)抗剪强度C/f(%)粘聚力c(KPa)内摩擦角φ（0）直剪快剪3151332342.262316126.525.811242713124.113152893222.0三轴不排水剪2801001635.75201702132.66231902730.513153002729.714303602225.120104802323.821205102624.026407402128.025707602529.532108602726.7419011602327.6二、水泥土的变形模量试件编号无侧限抗压强度fcu(KPa)破坏时应变εf(%)变形模量E50(KPa)E50/fcu42761.433450012554821.367090014764931.065360010975360.866620012386941.008360012099181.14117700128109701.001169001201111641.281369001181213991.001750001251314361.141865001301419421.072942001521525131.203306001311630360.904743001561734501.004207001211835180.80541200153三、水泥土抗压强度土的性质水泥土试验结果成因土名含水量W(%)容重γ(KN/m3)孔隙比e液性指数IL塑性指数Ip水泥标号掺入量(%)龄期(d)抗压强度(KPa)滨海相淤泥50.017.301.391.2122.8325#10901096淤泥质亚粘土36.418.301.031.2616.4425#8901415溺谷相淤泥68.415.601.801.7121.8425#14901097三角洲相淤泥质亚粘土47.417.401.291.6316.0425#10120998河漫滩相淤泥质粘土56.016.701.311.1821.0525#1030880湖沼相泥碳土448.010.408.060.85341.0425#2590155泥碳化土58.016.301.480.6526.0425#1590714四、水泥土龄期与抗压强度的关系fcu3＝（0.26～0.50）fcu90fcu7＝（0.30～0.629）fcu90fcu28＝（0.6～0.75）fcu90

第二章基坑规范摘录一、基坑变形控制值基坑变形控制值（广东省标准DBJ/T15-20-97）安全等级基坑支护结构水平位移周围地面沉降变形备注一级0.002H且不大于30mm0.0015H且不大于20mm二级0.004H且不大于50mm0.003H且不大于40mm三级0.025H且不大于150mm0.02H且不大于120mm二、锚杆安全系数序号安全等级临时（基坑）锚杆K永久锚杆KJGJ120-99DBJ/T15-20-97CECS22:90YB9258-97CECS22:90锚固体杆体(设计值)锚固体杆体锚固体、杆体锚固体、杆体锚固体、杆体1一级1.72二级1.63三级1.464岩锚1.41.5三、支护结构基底摩擦系数支护结构基底摩擦系数（广东省规范DBJ/T15-20-97）序号土的类别摩擦系数（μ）序号土的类别摩擦系数（μ）1淤泥0.106粉、细砂0.3~0.42淤泥质土0.157中、粗砂0.43软塑～可塑粘土0.20~0.258碎石土0.54硬塑～坚硬粘土0.39软质岩0.4~0.65粉土0.3~0.410硬质岩0.6~0.7四、岩土与锚固体间的粘结强度岩土与锚固体间的粘结强度极限值qs(Kpa)序号岩土种类土的状态JGJ120-99DBJ/T15-20-97CECS22:90地基CECS96:97土钉锚杆土钉锚杆1填土16～2016～2030～602淤泥10～1610～163淤泥质土16～2016～2020～254粘性土IL＞118～3018～305软塑0.75＜IL≤130～4030～4030～4015～306可塑0.5＜IL≤0.7540～5340～5340～5030～507硬塑0.25＜IL≤0.553～6553～6550～6050～708坚硬0.0＜IL≤0.2565～7365～7360～7070～909IL≤073～8073～8010粉土e＞0.9022~4420～40100～15050～100110.75＜e≤0.9044~6440～6012e＜0.7564~10060～9013粉细砂稍密22～4220～4014中密42～6340～6015密实63～8560～8016中砂松散17稍密54～7440～6018中密74～9060～7019密实90～12070～9020粗砂松散90～14070～90稍密90～13060～90160～20090～12021中密130～17090～120220～250120～16022密实170～220120～150270～400160～20023砾砂中密、密实190～260130～16024泥岩、页岩微风化岩、M30砂浆110～20025白云岩、石灰岩、泥质砂岩微风化岩、M30砂浆33026砂岩、花岗岩、大理岩微风化岩、M30砂浆500五、锚管、锚杆水平刚度系数锚管水平刚度系数表（KN/m）钢管规格面积(mm2)每米重量（kg）长度(m)6789101112131415φ48×3.00424.1203.33228371957417127152251370212456114181054097879134φ48×3.25456.6743.592459021077184421639314754134121229511349105389836φ60×3.25579.1344.5531184267292338820789187101700915592143931336512474φ60×3.50620.9354.8333435286592507622290200611823716717154321432913374φ60×3.75662.3445.2035665305702674823776213991945317832164611528514266φ60×4.00703.3605.5237873324632840525249227242065818937174801623115149φ60×4.50784.2156.1642227361953167028151253362303321113194891809716891锚管水平刚度系数表（KN/m）钢管规格面积(mm2)每米重量（kg）长度(m)16171819202122232425φ48×3.00424.1203.338564806076127212685165256228595757095481φ48×3.25456.6743.599221867981967765737770256706641561475902φ60×3.25579.1344.551169411006103959848935589108505813577967484φ60×3.50620.9354.84125381180111145105581003095539119872283598024φ60×3.75662.3445.201337412588118881126310699101909727930489168560φ60×4.00703.3605.5214202133671262411960113621082110329988094689090φ60×4.50784.2156.1615835149041407613335126681206511516110161055710134钢绞线水平刚度系数表（Km/m）钢绞线面积（mm2）每延米总重量（kg）长度（m）15182022252830323538402索2862.25661847674290390034323065286026812451225821453索4293.375992771506435585054184596429040223677338732174索5724.501323695338580780068646129572053624902451642905索7155.62516545119171072597508580766171506703612956455362六、圆桩配筋表单边配筋时截面容许弯矩设计值M(KN﹒m)桩桩径(mm)M钢筋400500600700800900100012004φ1673974φ18901214φ201081461852232612983364115φ181091485φ201301794φ222212673133584044955φ221522124φ252783383984575176346φ201512102683263834404976106φ221752473183884585275967336φ252103053984895806707599377φ202408φ202683474245015776538057φ222818φ223134095045976907829667φ253448φ25381507630752873993123110φ20_51861571180699610φ22_613731847963119410φ25_76291610681219151812φ20__725841956118512φ22__85910001140141812φ25__107112551438179914φ20___9681102137014φ22___11481312163714φ25____1649207216φ20____1246155216φ22____1479185316φ25_____234018φ20_____173218φ22_____206418φ25_____260220φ20_____1909系数C250.970.980.980.980.980.98as＝600.980.980.980.990.990.990.9fcm0.970.970.980.990.990.99均匀配筋时截面容许弯矩设计值M(KN﹒m)桩桩径mmM配筋400500600700800900100012008φ168φ188φ208φ228φ2510φ1810φ2010φ2210φ2512φ2012φ2212φ2514φ2014φ2214φ2516φ2016φ2216φ2518φ2018φ2218φ2520φ2020φ2220φ2522φ2022φ2222φ2524φ2024φ2224φ2526φ2026φ2226φ2528φ2028φ2228φ25728810610712815115017722098121145147177209208245306238280350267315393185220276226268337267316395306362453344407509381451564418495618455225268338276328413326387486374444558422500628469556697515610764561664831605716897650769_316400326388490385459578444527664501595748557661831613727913667792994722855107377591911528289811230_______5306705136117715806908706467689687118451064775921115883999612529021070134596411441436_

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________694878659785992734875110580996312158831051132595611371433102912231540110013081645___________________120115211099131216601192142117971283153019381374163820685386724915807255276227775626638299626946211027系数C250.970.980.980.980.980.98as＝600.980.980.980.990.990.990.9fcm0.970.970.980.990.990.99七、基坑支护设计的基本概念第三章型钢钢管截面面积及单位重量第一节水、煤气输送钢管（YB234-63）公称口径钢管管螺纹(mm)英寸外径(mm)普通管加厚管基面处外径(mm)每吋牙数螺纹长度（mm）壁厚(mm)不计管接头的理论重量（kg/m）壁厚(mm)不计管接头的理论重量（kg/m）圆锥形管螺纹圆柱形管螺纹61/810.002.000.392.500.46－－－－81/413.502.250.622.750.73－－－－103/817.002.250.822.750.97－－－－151/221.252.7420.956141214203/426.752.751.633.502.0126.44214141625133.503.252.424.002.9133.250111518325/434.003.7741.912111720403/248.003.503.844.254.5847.80511192250260.003.504.884.506.1659.616112224705/275.503.756.644.507.8875.18711232780388.504.008.344.759.8187.8871132301004114.004.0010.855.0013.44113.0341138361255140.004.5015.045.5018.24138.4351141381506165.004.5017.815.5021.63163.836114542注：1、公称口径是钢管的规格称呼，它不一定等于钢管外径减2倍壁厚之差。2、钢管分：不镀锌钢管（黑管）和镀锌钢管；带螺纹钢管和不带螺纹钢管。3、镀锌钢管比不镀锌钢管重8～６％。4、钢管长度：不带螺纹的黑管，4～12米；带螺纹的黑管和镀锌管，4～6第二节电焊钢管（YB242-63）（6）（7）（8）（9）10（11）１2（１3）（１4）１5（１6）（１7）１8（１9）20（21）22（23）2425（26）（27）282930（31）32（33）（34）（35）（36）外径（mm）壁厚(mm)3.03.23.5理论质量（kg/m）(37)1.061.231.311.401.561.731.892.13381.091.261.351.441.611.781.942.19（39）1.291.391.471.651.821.992.26401.331.421.521.691.872.052.31(41)1.361.461.551.741.922.102.37421.411.501.601.791.972.162.44431.431.541.631.822.022.212.5044.51.481.591.651.882.102.292.592.893.07451.511.611.711.912.122.322.622.913.11(46)1.541.651.751.962.172.372.68--(47)1.571.681.792.002.222.432.74--(48)1.611.721.832.052.272.482.813.113.333.84511.711.831.962.182.422.642.993.323.553.794.10531.781.912.032.272.512.763.113.463.703.944.27(54)1.821.942.072.312.562.813.183.533.774.024.36571.922.052.182.452.712.973.363.744.004.254.62602.022.162.312.582.863.133.553.944.224.494.8392.442.733.033.323.764.194.484.755.18702.372.532.703.023.353.684.164.634.965.285.74762.572.762.943.293.654.004.535.025.405.756.26注：1.钢管长度：外径≤30毫米者，2～6米；外径>30～70毫米者，3～10米；外径>70毫米者，4～2．括号内的外径或质量的钢管应经过冷拔。第三节热扎无缝钢管(YB231-70)外径(mm)壁厚(mm)2.533.544.555.566.577.5理论质量(kg/m)321.822.152.462.763.053.333.593.854.094.324.53382.192.592.983.353.724.074.414.745.055.355.64422.442.893.353.754.165.564.955.335.696.046.38452.623.113.584.044.494.935.365.776.176.566.94502.933.484.014.545.055.556.046.516.977.427.8654－3.774.364.935.496.046.587.107.618.118.6057－4.004.625.235.836.416.997.558.108.639.1660－4.224.885.526.166.787.397.998.589.159.7163.5－4.485.185.876.557.217.878.519.149.7510.3668－4.815.576.317.057.778.489.179.8610.5311.1970－4.965.746.517.278.018.759.4710.1810.8811.5673－5.186.006.817.608.389.169.9110.6611.3912.1176－5.406.267.107.938.759.5610.3611.1411.9112.6783－－6.867.798.719.6210.5111.3912.2613.1213.9689－－7.388.389.3810.3611.3312.2813.2214.1615.0795－－7.908.9810.0411.1012.1413.1714.1915.1916.18102－－8.509.6710.8211.9613.0914.2115.3116.4017.48108－－－10.2611.4912.7013.9015.0916.2717.4418.59114－－－10.8512.1513.4414.7215.9817.2318.4719.70121－－－11.5412.9314.3015.6717.0218.3519.6320.99127－－－12.1313.5915.0416.4817.9019.3220.7222.10133－－－12.7314.2615.7817.2918.7920.2821.7523.21140－－－－15.0416.6518.2419.8321.4022.9624.51146－－－－15.7017.3919.0620.7222.3624.0025.62152－－－－16.3718.1319.8721.6023.3225.0326.73159－－－－17.1518.9920.8222.6424.4526.2428.02168－－－－－20.1022.0423.9725.8927.7929.69180－－－－－21.5923.7025.7527.7029.8731.91194－－－－－23.3125.6027.8230.0032.2834.50203－－－－－－－29.1431.5033.8336.16219－－－－－－－31.5234.0636.6039.12245－－－－－－－－38.2341.0943.85273－－－－－－－－42.6445.9249.10299－－－－－－－－－－53.91（续表）外径（mm）壁厚（mm）88.599.5101112131415理论质量（kg/m）324.74－－－－―－－－－385.92－－－－－－－－－426.717.027.327.607.88－－－－－457.307.657.998.328.63－－－－－508.298.709.109.499.86－－－－－549.089.549.9910.4310.8511.67－－－－579.6710.1710.6511.1311.5912.4813.3214.11－－6010.2610.8011.3211.8312.3313.2914.2115.0715.88－63.510.9511.5312.1012.6513.1914.2415.2416.1917.096811.8412.4713.1013.7114.3015.4616.5717.6318.6419.617012.2312.8913.5414.1714.8016.0117.1618.2719.3320.357312.8213.5214.2114.8815.5416.8218.0519.2420.3721.467613.4214.1514.8715.5816.2817.6318.9420.2021.4122.578314.8015.6216.4217.2218.0019.5321.0122.4432.8225.158915.9816.8717.7618.6319.4821.1622.7924.3725.8927.279517.1618.1319.0920.0320.9622.7924.5626.2927.9729.5910218.5519.6020.6421.6722.6924.6926.6328.5330.3832.1810819.7320.8621.9723.0824.1726.3128.4130.4632.4534.4011420.9122.1223.3124.4825.6527.9430.1932.3834.5336.6212122.2923.5824.8626.1227.3729.8432.2634.6236.9439.2112723.4824.8426.1927.5328.8531.4734.0336.5539.0141.4313324.6626.1027.5228.9330.3333.1035.8138.4741.0943.6514026.0427.5729.0830.5732.0634.9937.8840.7243.5046.2414627.2328.8230.4131.9833.5436.6239.6642.6445.5748.4615228.4130.0831.7433.3935.0238.2541.4344.5647.6550.6815929.7931.5533.2935.0336.7540.1543.5046.8150.0653.2716831.5733.4335.2937.1338.9742.5946.1749.6953.1756.6018033.9335.9537.9539.9541.9245.8549.7253.5457.3161.0419436.7038.8941.0643.2345.3849.6453.8658.0362.1566.2220338.4740.7743.0545.3347.5952.0856.5260.9165.9469.5421941.6344.1246.6149.0851.5456.4361.2666.0470.7875.4624546.7649.5652.3855.1757.9563.4868.9574.3879.7683.08（续表）外径(mm)壁厚（mm）88.599.5101112131415理论质量（kg/m）27352.2855.4558.6061.7364.8671.0777.2483.3689.4295.4429957.4160.8964.3767.8371.2778.1384.9391.6998.40105.0632562.5466.3570.1473.9277.6885.1892.63100.03107.38114.6835167.6771.8075.9180.0184.1092.23100.32108.36116.35124.29377－－81.6886.1090.5199.29108.02117.00125.33133.91402－－87.2191.9596.67106.06115.41124.71133.94143.15426－－92.5597.57102.59112.58122.52132.41142.25152.04450－－97.87103.20108.50119.08130.61140.09150.52160.90(465)－－101.10106.48112.20123.15134.05144.90155.70166.46480－―104.52110.22115.90127.22139.49149.71160.88172.00500－－108.96114.91120.83132.65145.41156.12167.79179.40530－－115.62121.94128.23140.78154.29165.74178.14190.50(550)－－120.07126.62133.10146.21159.20172.15185.05197.90560－－122.28128.97135.63148.92163.16175.36188.50201.60600－－131.17138.34145.50159.78175.00188.18202.31216.39630－－137.81145.36152.89167.91183.88197.80212.67227.49(续表)外径（mm）壁厚（mm）161718192022(24)25(26)28理论质量（kg/m）6820.52－－－－－－－－－7021.31－－－－－－－－－7322.4923.4824.4125.30－－－－－－7623.6824.7425.7526.71－－－－－－8326.4427.6728.8529.99－－－－－－8928.8030.1931.5232.8034.0336.3538.47－－－9531.1732.7034.1835.6136.9939.6142.02－－－10233.9335.6437.2938.8940.4443.4046.17－－－10836.3038.1539.9541.7043.4046.6649.7251.1752.5855.2411438.6740.6742.6244.5146.3649.9153.2754.8756.4359.3812141.4343.6045.7247.7949.8253.7157.4159.1960.9164.2212743.8046.1248.3950.6152.7856.9760.9662.8964.7668.3613346.1748.6351.0553.4255.7360.2264.5166.5968.6172.5014048.9351.5754.1656.7059.1964.0268.6670.9073.1077.3414651.3054.0856.8259.5162.1567.2772.2174.6076.9481.4815253.6656.6059.4862.3265.1170.5975.7678.3080.7985.6215956.4359.5362.5965.6068.5674.3379.9082.6285.2890.4616859.9863.3166.5969.8273.0079.2185.2388.1691.0596.6718064.7168.3471.9175.4478.9285.7292.3395.5678.74104.9619470.2474.2178.1382.0085.2893.32100.62104.19107.72114.6320373.7877.9782.1286.2190.2698.20105.94109.74113.49120.8321980.1084.6989.2393.7198.15106.88115.42119.61123.75131.8924590.3695.59100.77105.90110.98120.99130.80135.64140.42149.84273101.41107.33113.20119.02124.79136.18147.38152.90158.38169.16299111.67118.23124.74131.20137.61150.29162.77168.93175.05187.13325121.93129.13136.28143.38150.44164.39178.15184.96191.72205.09351132.19140.03147.82155.56163.26178.50193.54200.99208.39223.04377142.44150.93159.36167.75176.08192.61208.93217.02225.06240.99402152.30161.40170.45179.45188.40206.16223.72232.42241.08258.24426161.78171.47181.11190.71200.25219.19237.93247.23256.48274.84450171.24181.52191.76201.94212.08232.20252.12262.01271.85291.38(465)177.16187.81198.41208.97219.47240.34261.00271.26281.47301.74480183.08194.10205.07216.00226.87248.47269.88280.51291.09312.10500190.97202.48213.95225.37236.74259.32281.72292.84303.91325.91530202.80215.06227.27239.42251.53275.60299.47317.50323.14346.62(550)210.70223.44236.14248.80261.40286.45311.31323.66335.97360.43560214.64227.64240.58253.48266.33291.88317.23－－－600230.42244.40258.34272.22286.06313.58340.90－－－630242.26256.98271.66286.28300.85329.85358.66－－－第四节槽钢型号尺寸(mm)载面面积(cm2)理论质量（kg/m）高度h腿宽度b腰厚度d平均腿厚度10100485.38.512.74810.00712.6126535.59.015.69212.31814a140586.09.518.51614.53514b140608.09.521.31616.73316a160636.510.021.96217.24016160658.510.025.16219.75218a180687.010.525.69920010.529.29923.00020a200737.011.028.83722.63720200759.011.032.83725.77722a220777.011.531.84624.99922220799.011.536.24628.4352250787.012.034.91727.41025b250809.012.039.91731.33525c2508211.012.044.91735.26028a280827.512.540.03431.42728b280849.512.545.63435.82328c2808611.512.551.23440.21932a320888.014.048.51338.08332b3209010.014.054.91343.10732c3209212.014.061.31348.13136a360969.016.060.91047.81436b3609811.016.068.11053.46636c36010013.016.075.31059.11840a40010010.518.075.06858.92840b40010212.518.083.06865.20840c40010414.518.091.06871.488第五节工字钢型号尺寸(mm)载面面积(cm2)理论质量（kg/m）高度h腿宽度b腰厚度d平均腿厚度10100684.57.614.34511.26112.6126745.08.418.11814.22314140801616.89016160886.09.926.13120.51318180946.510.730.76524.11320a2001007.011.435.57827.92920d2001029.011.439.57831.06922a2201107.512.342.12833.07022b2201129.512.346.52836.52425a2501168.013.048.54138.10525b25011810.013.053.54142.03028a2801228.513.755.40443.49228b28012410.513.761.00447.88832a3201309.515.067.15652.71732b32013211.515.073.55657.74132c32013413.515.079.95662.76536a36013610.015.876.48060.03736b36013812.015.883.68065.68936c36014014.015.890.88071.34140a40014210.516.586.11267.59840b40014412.516.594.11273.87840c40014614.516.5102.11280.15845a45015011.518.0102.44680.42045b45015213.518.0111.44687.48545c45015415.518.0120.44694.550第六节等边角钢型号尺寸(mm)理论质量(kg/m)bd圆角半径220343.50.8891.1452.525341.1241.459330344.51.3731.7863.6363451.6562.1632.65444034551.8522.4222.9764.54534562.0882.7363.3693.98555034565.52.3323.0593.7704.4655.656345862.6243.4464.2516.5686.36345681073.9074.8225.7217.4699.1517704567884.3725.3976.4067.3988.373型号尺寸(mm)理论质量(kg/m)bd圆角半径7.57556781095.8186.9057.9769.03011.0898805678106.2117.3768.5259.65811.8749906781012108.3509.65610.94613.47615.9401010067810121416129.36610.83012.27615.12017.89820.61123.257第四章岩土工程地质参数第一节岩石分类岩石坚硬程度的定性划分名称单轴抗压强度Rc(MPa)定性鉴别代表性岩石硬质岩坚硬岩＞60锤击声音清脆，有回弹，震手，难击碎。浸水后，大多无吸水反应。未风化～微风化的：花岗岩、正长岩、闪长岩、安山岩、辉绿岩、玄武岩、片麻岩、石英岩、石英片岩、石英砂岩、硅质板岩、硅质胶结的砾岩、硅质石灰岩等。较坚硬岩60～30锤击声音较清脆，有轻微回弹，稍震手，较难击碎。浸水后，有轻微吸水反应。弱风化的坚硬岩；未风化～微风化的：烧结凝灰岩、板岩、白云岩、石灰岩、钙质胶结的砂岩。软质岩较软岩30～15锤击声音不清脆，无回弹，较易击碎。浸水后，指甲可刻出印痕。强风化的坚硬岩；弱风化的较坚硬岩；未风化～微风化的：凝灰岩、千枚岩、粉砂岩、页岩、泥灰岩、砂质泥岩、泥质砂岩。软岩15～5锤击声哑，无回弹，有凹痕，易击碎。浸水后，手可掰开。1、强风化的坚硬岩；2、弱风化～强风化的较坚硬岩；3、弱风化的较软岩；4、未风化的泥岩等。极软岩＜5锤击声哑，无回弹，有较深凹痕，手可掰开。浸水后，可捏成团。各种全风化岩石；各种半成岩。岩石名称分类一级分类二级分类三级分类四级分类火成岩超基性岩橄榄岩－辉岩类纯橄榄岩、橄榄岩、辉岩基性岩辉长岩－玄武岩类辉长岩、苏长岩、辉长苏长岩、橄长岩、斜长岩、辉绿岩、辉绿玢岩、辉长辉绿岩、玄武岩、细碧岩中性岩闪长岩－安山岩类闪长岩、石英闪长岩、辉长闪长岩、花岗闪长岩、安山岩、玢岩正长岩－粗面岩类正长岩、二正长岩、粗面岩、正长斑岩碱性岩霞石正长岩－响岩类霞石正长岩、粗粒霞石正长岩、云石正长岩、磷霓霞石岩、响岩、正长响岩酸性岩花岗岩－流纹岩类花岗岩、黑云、白云母花岗岩、二云母花岗岩、花岗斑岩、流纹岩、石英斑岩、松脂岩、黑曜岩、浮石脉岩细晶岩、伟晶岩、煌斑岩沉积岩碎屑岩正常沉积碎屑岩角砾岩、砾岩、砂岩、粉砂岩、页岩火成碎屑岩凝灰岩、火山角砾岩、层凝灰岩、凝灰质岩、化学岩及生物化学岩铁质沉积岩、锰质沉积岩、铝土矿、磷灰岩、盐类、石灰岩、白云岩、白垩、泥灰岩、板状矽藻土、泥矽岩、矽华可燃性有机岩泥碳煤、油页岩或沥青页岩、石油变质岩片麻岩黑云母片麻岩、白云母片麻岩、二云母片麻岩、矽线片麻岩、堇青片麻岩、蓝晶片麻岩、十字石片麻岩、石榴石片麻岩、绢云母钠长石片麻岩、石墨片麻岩结晶片岩云母片岩、石英片岩、石墨云母片岩、黑云母片岩、白云母片岩、二云母片岩、千枚岩、绿泥片岩、滑石片岩角闪岩、大理岩、石英岩角闪岩凝灰岩石墨大理岩、绿色大理岩石英岩片麻石英岩、云母石英岩、绢云母及铁质石英岩角页岩、碧玉交代蚀变的岩石矽嘎岩云英岩黄铁细晶岩蛇纹岩滑石菱、镁片岩次生石英岩第二节地质年代表界（代）系（纪）统（世）符号经历年数（万年）距今年数（万年）地壳运动时代新生界（代）第四系（纪）全新统上更新统中更新统下更新统Q4Q3Q2Q1100100喜马拉雅运动人类时代第三系（纪）上新统中新统渐新统始新统古新统RN2N1E3E2E159006000兽类时代中生界（代）白垩系（纪）上白垩统（世）下白垩统（世）K2K1700013000燕山运动爬行动物时代—恐龙时代侏罗系（纪）上侏罗统（世）中侏罗统（世）下侏罗统（世）J3J2J1250015500三迭系（纪）上三迭统（世）中三迭统（世）下三迭统（世）T3T2T1300018500古生界(代)上古生界(代)二迭系(纪)上二迭统(世)下二迭统(世)P2P1250021000海西运动成煤时代石炭系(纪)上石炭统(世)中石炭统(世)下石炭统(世)C3C2C1550026500泥盆系(纪)上泥盆统(世)中泥盆统(世)下泥盆统(世)D3D2D1550032000鱼时代古生界(代)下古生界(代)志留系(纪)上志留统(世)中志留统(世)下志留统(世)S3S2S1400036000加里东运动无脊椎动物时代奥陶系(纪)上奥陶统(世)中奥陶统(世)下奥陶统(世)O3O2O1800044000寒武系(纪)上寒武统(世)中寒武统(世)下寒武统(世)∈3∈2∈1800052000元古界(代)震旦系(纪)下震旦统(世)中震旦统(世)下震旦统(世)Z3Z2Z16000011200吕梁运动原始单细胞生物时代太古界(代)五台系(纪)ArAr2Ar190000202000五台运动无生物时代秦山系(纪)第三节土的物理性质指标土的物理性质指标表名称符号表达式单位常见值换算公式密度重度ργρ=m/v，γ=10ρG/cm3KN/m31.6～2.216～22ρ=ρd(1+w)γ=γd(1+w)比重GsGs=ms/vs砂土2.65～2.69粉土2.7～2.71粘性土2.72～2.75含水量wW=×100%砂土(0～40)%粘性土(20～60)%W=(-1)×100%孔隙比ee=vv/vs砂土0.5～1.0粘性土0.5～1.2e=n/(1-n)孔隙度nn=100×vv/v%(30～50)%n=（）×100%饱和度SrSr=vw/vv0～1干密度干重度ρdγdρd=ms/vγd=10ρdG/cm3KN/m31.3～213～20饱和密度ρsatρsat=G/cm31.8～2.3饱和重度γsatγsat=10ρsatKN/m318～23砂性土的相对密实度Dr=Dr－砂土的相对密实度emax－最大孔隙比emin－最小孔隙比e－砂土天然状态的孔隙比第五节广东省常见土质的物理力学性质指标经验值土类型容重γ(kN/m3)天然含水量W(%)天然孔隙比e抗剪强度变形模量E0（Mpa）压缩系数α1-2(kPa-1)泊松比μ内聚力C(kPa)内摩擦角φ(°)杂填土砂质粘土类8～1210～15建筑垃圾类粉细砂类淤泥15-1740-1001.0-2.34～104～80.6～1.51200-3500淤泥质土10～158～124～8粉质粘土软塑15～2516～2215～220.35可塑0.30硬塑35～5024～2635～600.25坚硬粘土软塑0.40可塑0.35硬塑0.30坚硬0.25细砂稍密024～2820～30中密密实0.30中砂稍密028～3235～45中密密实0.25粗砂稍密032～3440～60中密密实0.20强风化岩泥岩(软岩)80～12026～3080～150硬质岩中风化岩泥岩(软岩)200～30032～361000～2000硬质岩第五章常用灌浆材料配制第一节浆材配制计算公式（一）、黏土浆、水泥浆1、按浆材设计重度配制Wn=式中：Wn－每配1m3Gn－黏土或水泥的相对重度（比重）ρnj－所配浆液的重度（t/m3）ρw－水的重度Vnj－所配浆液的体积，Vnj=1m(1).水泥浆液MC=GCρWVCJ／(1+αGC)ＭW=αＭC式中：MC——水泥（干）量（t）MW——水量（m3）GC——水泥相对密度（约3.0~3.2），425#水泥取3.1。ρw——水的密度（1.0t/m3）VCJ——欲配水泥浆液体积（m3）α——水灰比ρcj——水泥浆液的密度ρcj=GCρw(1+α)/(1+αGC)VCj=ＭＣ(1+αＧC)/ＧCρw2、按水土比配制Wn=Ww=αWn式中：Ww－每配1m3α－水土比3、浓浆变稀（1）、按浆材重度改变Ww=式中：△Ww－降低浓度时的加水量ρy－原浆液的重度ρj－要配浆液的重度Vy－原浆液的总体积（2）、按水土（灰）比改变△Ww=式中：α1－原水土（灰）比α2－改变后水土（灰）比4、稀浆变浓（1）、按浆材重度改变△Wn=式中：△Wn－增大浓度时的加土量（2）、按水土（灰）比改变△Wn=5、浆材重度和体积计算ρcj=Vcj=（二）、水泥黏土浆Wc=ncρwV／(nc/Gc+nn/Gn+nw)Wn=nnρwV／(nc/Gc+nn/Gn+nw)Ww=nwρwV／(nc/Gc+nn/Gn+nw)式中：Wc:Wn:Ww=nc:nn:nw为水泥：黏土：水的百份比。己知浆材重度及水泥和黏土的比例，求各材料的用量：ρcj=Wc+Wn+WwWc／Ｇｃ+Wn／Ｇｎ+Ww／ρｗ＝１第二节粘土浆材配制黏土浆配料表（黏土密度G2=2.6t/m3）浓度等级序号水土比用水量(kg)黏土用量(kg)配成浆量(L)黏土含量（kg/L）浆液密度（kg/cm3）Ⅰ2.5:1250100288.50.3471.213Ⅱ2:1200100238.40.4191.258Ⅲ1.5:1150100188.50.5311.326Ⅳ1.4:1140100178.50.5601.346Ⅴ1.3:1130100168.50.5931.365Ⅵ1.2:1120100158.50.6311.388Ⅶ1.15:1115100153.50.6511.401Ⅷ1.1:1110100148.50.6731.414Ⅸ1.05:1105100143.50.6971.429Ⅹ1:1100100138.50.7221.444Ⅺ0.9:190100128.50.7781.479Ⅻ0.8:180100118.50.8481.519ⅩⅢ0.7:1140200216.90.9221.568ⅩⅣ0.6:1120200196.91.0161.625配1m3土土密度用量浆密度加水量（kg）加土量（kg）09299339379411711671631591.208578678758823433333253181.258218338448534294174063971.307868008128245145004884761.357507677817946005835695561.407147337507656866676506351.456797007197357717507317151.506436676877068578338137941.556076336566769439178948741.60571600625647102910009759531.655675946181083105610321.7056358811381112第三节水泥、水玻璃浆材配制水泥浆（帷幕灌浆）配料表（水泥密度G1=3.1t/m3）浓度等级序号水灰比水泥含量（kg/L）相邻比级水泥量（kg/L）浆液密度（kg/cm3）每搅拌桶情况水泥(kg)浆量(L)Ⅰ5:10.1881.12750265.96Ⅱ3:10.3010.1131.20475249.17Ⅲ2:10.4310.1301.291100232.02Ⅳ1.5:10.5490.1181.372125227.69Ⅴ1.3:10.6160.0671.417150243.51Ⅵ1.2:10.6570.0411.445150228.30Ⅶ1.1:10.7030.0461.476175249.93Ⅷ1:10.7560.0531.512175231.48Ⅸ0.9:10.8180.0621.554200244.50Ⅹ0.8:10.8910.0731.603200224.47Ⅺ0.7:10.9780.0871.662250255.62Ⅻ0.6:11.0840.1061.734250230.63ⅩⅢ0.55:11.1460.0621.776250218.15ⅩⅣ0.5:11.2160.0701.824250205.59ⅩⅤ0.451.2940.0781.877300231.84浆液水灰比、c/s值、水玻璃浓度对浆液性能的影响水玻璃浓度40B’e水泥浆与水玻璃体积比（c:s=1:1）W/cC/S凝结时间(min:s)抗压强度（Mpa）水玻璃浓度B’ew/c抗压强度(Mpa)7d28d7d14d28d0.61:11:4617.621.6350.5017.420.020.21:0.81:2119.823.80.7514.413.214.81:0.61:0021.823.71.007.38.514.01:0.40:3714.04.05.80.751:11:5812.716.61.501.22.02.81:0.81:2916.021.0400.5020.424.424.81:0.61:0.617.921.80.7511.617.718.51:0.41:4404.410.611.31.01:12:1:0.81:409.413.01.501:0.61:1511.516.0450.5024.525.025.31:0.40:5211.814.80.758.216.919.21.51:13:502.96.911.31:0.82:581.57.05.81:0.62:1.501:0.41:287.610.3第六章常用计算公式和计量单位第一节常用计算公式一、体积1、球体体积V=πR3.4/32、圆锥体积V=πR2h/33、棱锥V=Sh/34、棱台V=（S1＋S2＋√S1S2）h/35、拟柱体V=（S1＋S2＋4S0）h/66、圆台V=（R12＋R22＋R1R2）.πh/3二、钢管砼竖向承载力设计值《钢管砼结构设计与施工规程》CECS28－90NO=fcAc(1++)=faAa/fcAcNO——竖向承载力设计值——套箍系数fc——砼抗压强度设计值fa——钢管抗压强度设计值Ac——砼截面积Aa——钢管截面积第二节常用法定计量单位与法定计量单位的关系国际单位制(SI)的基本单位量的名称单位名称单位符号长度质量时间电流热力学温度物质的量发光强度米千克（公斤）秒安[培]开[尔文]摩[尔]坎[德拉]mKgSAKMolcd国际单位制(SI)的辅助单位量的名称单位名称单位符号平面角立体角弧度球面度radsr用于构成十进倍数和分数单位的词头所表示的因数词头名称词头符号所表示的因数词头名称词头符号1018艾[可萨]E10-1分D1015拍[它]P10-2厘C1012太[拉]T10-3毫M109吉[咖]G10-6微μ106兆M10-9纳[诺]n103千k10-12皮[可]P102百h10-15飞[母托]f101十da10-18阿[托]a国际单位制(SI)中具有专门名称的导出单位量的名称单位名称单位符号其它表示式例频率赫[兹]Hzs-1力;重力牛[顿]N压力;压强;应力帕[斯卡]PaN/m2能量;功;热焦[耳]JN.m功率;辐射通量瓦[特]