锚杆支护用量计算参考表

1、锚杆支护工程中锚杆及砂浆耗量参考表单位：100根序号 18 20 22 25 28 32规格长度锚杆(kg)砂浆(m 3)锚杆(kg)砂浆(m 3)锚杆(kg)砂浆(m 3)锚杆(kg)砂浆(m 3)锚杆(kg)砂浆(m 3)锚杆(kg)砂浆(m 3)备注1 L=2m452.990.230 549.61 0.217656.320 .231835.540.2061037.620.4251342.710.3812L=2.5m 566.240.288687.01 0.271820.40 0.2891044.420.2571297.030.531 1678.390 .4773L=3m679.490.3

2、46824.410.325984.470 .3471253.30 0.3081556.430.6372014.060.5724L=3.5m792.740.403961.81 0.3791148.55 0.4041462.190.3601815.840.7432349.740 .6675 L=4m905.990.4611099.220 .4331312.630 .4621671.070.4112075.240.8492685.420 .7636L=4.5m 1019.240.5181236.620 .4871476.71 0.520 1879.960 .4632334.650.9553021.0

3、90.8587L=5m 1132.490.5761374.020.5421640.790.5782088.840.5142594.061.0623356.770 .9538L=5.5m 1245.730.6341511.420.5961804.870 .6362297.720.5662853.461.1683692.451.0499L=6m 1358.980.6911648.820 .650 1968.950.6932506.61 0.6173112.871.2744028.121.14410 L=6.5m 1472.230.7491786.230 .7042133.030.7512715.4

4、90.6683372.271 .3804363.801.23911 L=7m 1585.480.8061923.630 .7582297.11 0.8092924.380 .7203631.681 .4864699.481 .33512L=7.5m 1698.730.8642061.030.8122461.190.8673133.260 .7713891.081.5925035.161.43013L=8m 1811.980.9222198.430 .8672625.260 .9243342.140.8234150.491.6995370.831.52514L=9m2038.471.037247

5、3.240 .9752953.421.0403759.910.9254669.301.9116042.191.71615 L=10m2264.971.1522748.041.0833281.581.1564177.681.0285188.112.1236713.541.90716L=11m2491.471.2673022.841.1923609.741 .2714595.45 1.131 5706.922.3367384.892.09717L=12m2717.961.3823297.651 .3003937.901 .3875013.221 .2346225.732.5488056.252.288钢筋理论重量1.9992.4682.9863.8564.8376.318单位kg/m注： 18- 20锚杆钻孔直径按40m m算, 22- 25锚杆钻孔直径按42m m算, 28- 32锚杆钻孔直径按56m m算。5m以下用手风钻，5m以上用潜孔钻或似技术选型而定。每100根锚杆用量=(锚杆长度+0.2)锚杆每米重量1.03100 （锚杆长度均指嵌入岩石的有效长度，外露部分似工程情况而定）每100根砂浆用量=(钻孔体积-锚杆体积)1.15100（钻孔直径似钻头直径大小而定）短锚杆应 采用先注浆后 插杆的施工方法，长锚杆采用先插杆后注浆的施工方