论自重应力与附加应力
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基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率45.00337.50340.00677.500.0100.7445.50341.25339.93681.180.599.6146.00345.00339.48684.48 1.098.4046.50348.75338.32687.07 1.597.0047.00352.50336.19688.69 2.095.3747.50356.25332.98689.23 2.593.4648.00360.00328.65688.65 3.091.2948.50363.75323.27687.02 3.588.8749.00367.50316.96684.46 4.086.2449.50371.25309.89681.14 4.583.4750.00375.00302.22677.22 5.080.5950.50378.75294.13672.88 5.577.6551.00382.50285.77668.27 6.074.7151.50386.25277.27663.52 6.571.7852.00390.00268.75658.757.068.9152.50393.75260.29654.047.566.1053.00397.50251.96649.468.063.3853.50401.25243.80645.058.560.7654.00405.00235.87640.879.058.2354.50408.75228.17636.929.555.8255.00412.50220.72633.2210.053.5055.50416.25213.54629.7910.551.3056.00420.00206.63626.6311.049.1956.50423.75199.97623.7211.547.1957.00427.50193.58621.0812.045.2857.50431.25187.44618.6912.543.4658.00435.00181.54616.5413.041.7358.50438.75175.88614.6313.540.0859.00442.50170.44612.9414.038.5159.50446.25165.22611.4714.537.0260.00450.00160.21610.2115.035.6060.50453.75155.40609.1515.534.2461.00457.50150.77608.2716.032.9561.50461.25146.33607.5816.531.7262.00465.00142.06607.0617.030.55 62.50468.75137.95606.7017.529.42基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率63.00472.50134.00606.5018.028.3563.50476.25130.20606.4518.527.3364.00480.00126.54606.5419.026.3664.50483.75123.02606.7719.525.4365.00487.50119.62607.1220.024.5365.50491.25116.35607.6020.523.6866.00495.00113.20608.2021.022.8666.50498.75110.16608.9121.522.0867.00502.50107.22609.7222.021.3367.50506.25104.40610.6522.520.6268.00510.00101.67611.6723.019.9368.50513.7599.03612.7823.519.2769.00517.5096.48613.9824.018.6469.50521.2594.03615.2824.518.0370.00525.0091.65616.6525.017.4570.50528.7589.35618.1025.516.8971.00532.5087.14619.6426.016.3671.50536.2584.99621.2426.515.8472.00540.0082.91622.9127.015.3572.50543.7580.91624.6627.514.8773.00547.5078.96626.4628.014.4273.50551.2577.09628.3428.513.9874.00555.0075.27630.2729.013.5674.50558.7573.50632.2529.513.1575.00562.5071.80634.3030.012.7675.50566.2570.14636.3930.512.3876.00570.0068.54638.5431.012.0276.50573.7566.99640.7431.511.6777.00577.5065.48642.9832.011.3377.50581.2564.02645.2732.511.0178.00585.0062.61647.6133.010.7078.50588.7561.24649.9933.510.4079.00592.5059.91652.4134.010.11基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率60.20451.50454.54906.0454.2100.67 60.30452.25453.79906.0454.3100.34 60.40453.00453.05906.0554.4100.01 60.50453.75452.31906.0654.599.68 60.60454.50451.58906.0854.699.35 60.70455.25450.85906.1054.799.03 60.80456.00450.11906.1154.898.7060.90456.75449.39906.1454.998.3861.00457.50448.66906.165598.06 61.10458.25447.93906.1855.197.74 61.20459.00447.21906.2155.297.43 61.30459.75446.49906.2455.397.11 61.40460.50445.77906.2755.496.80 61.50461.25445.06906.3155.596.48 61.60462.00444.34906.3455.696.17 61.70462.75443.63906.3855.795.86 61.80463.50442.92906.4255.895.5561.90464.25442.21906.4655.995.2562.00465.00441.51906.515694.94基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率62.10465.75440.81906.5656.194.64 62.20466.50440.11906.6156.294.34 62.30467.25439.41906.6656.394.04 62.40468.00438.71906.7156.493.74 62.50468.75438.01906.7656.593.44 62.60469.50437.32906.8256.693.14 62.70470.25436.63906.8856.792.85 62.80471.00435.94906.9456.892.5562.90471.75435.26907.0156.992.2663.00472.50434.57907.075791.97 63.10473.25433.89907.1457.191.68 63.20474.00433.21907.2157.291.39 63.30474.75432.53907.2857.391.10 63.40475.50431.85907.3557.490.82 63.50476.25431.18907.4357.590.53 63.60477.00430.51907.5157.690.25 63.70477.75429.84907.5957.789.97 63.80478.50429.17907.6757.889.6963.90479.25428.50907.7557.989.4164.00480.00427.84907.845889.13 64.10480.75427.17907.9258.188.85 64.20481.50426.51908.0158.288.57 64.30482.25425.85908.1058.388.30 64.40483.00425.20908.2058.488.03 64.50483.75424.54908.2958.587.76 64.60484.50423.89908.3958.687.49 64.70485.25423.24908.4958.787.22 64.80486.00422.59908.5958.886.9564.90486.75421.94908.6958.986.6865.00487.50421.29908.795986.41 65.10488.25420.65908.9059.186.15 65.20489.00420.01909.0159.285.89 65.30489.75419.37909.1259.385.62 65.40490.50418.73909.2359.485.36 65.50491.25418.09909.3459.585.10基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率65.60492.00417.46909.4659.684.84 65.70492.75416.83909.5859.784.59 65.80493.50416.19909.6959.884.3365.90494.25415.57909.8259.984.0866.00495.00414.94909.946083.82 66.10495.75414.31910.0660.183.57 66.20496.50413.69910.1960.283.32 66.30497.25413.07910.3260.383.07 66.40498.00412.45910.4560.482.82 66.50498.75411.83910.5860.582.57 66.60499.50411.21910.7160.682.32 66.70500.25410.60910.8560.782.07 66.80501.00409.98910.9860.881.8366.90501.75409.37911.1260.981.5867.00502.50408.76911.266181.34 67.10503.25408.15911.4061.181.10 67.20504.00407.55911.5561.280.86 67.30504.75406.94911.6961.380.62 67.40505.50406.34911.8461.480.38 67.50506.25405.74911.9961.580.14 67.60507.00405.14912.1461.679.90 67.70507.75404.54912.2961.779.67 67.80508.50403.94912.4461.879.4367.90509.25403.35912.6061.979.2068.00510.00402.76912.766278.97 68.10510.75402.17912.9262.178.74 68.20511.50401.58913.0862.278.51 68.30512.25400.99913.2462.378.28 68.40513.00400.40913.4062.478.05 68.50513.75399.82913.5762.577.82 68.60514.50399.23913.7362.677.59 68.70515.25398.65913.9062.777.37 68.80516.00398.07914.0762.877.1468.90516.75397.50914.2562.976.9269.00517.50396.92914.426376.69基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率69.10518.25396.34914.5963.176.47 69.20519.00395.77914.7763.276.25 69.30519.75395.20914.9563.376.03 69.40520.50394.63915.1363.475.81 69.50521.25394.06915.3163.575.59 69.60522.00393.49915.4963.675.38 69.70522.75392.93915.6863.775.16 69.80523.50392.36915.8663.874.9469.90524.25391.80916.0563.974.7370.00525.00391.24916.246474.52 70.10525.75390.68916.4364.174.30 70.20526.50390.12916.6264.274.09 70.30527.25389.56916.8164.373.88 70.40528.00389.01917.0164.473.67 70.50528.75388.46917.2164.573.46 70.60529.50387.90917.4064.673.25 70.70530.25387.35917.6064.773.05 70.80531.00386.81917.8164.872.8470.90531.75386.26918.0164.972.6371.00532.50385.71918.216572.43 71.10533.25385.17918.4265.172.23 71.20534.00384.62918.6265.272.02 71.30534.75384.08918.8365.371.82 71.40535.50383.54919.0465.471.62 71.50536.25383.00919.2565.571.42 71.60537.00382.47919.4765.671.22 71.70537.75381.93919.6865.771.02 71.80538.50381.40919.9065.870.8271.90539.25380.86920.1165.970.6272.00540.00380.33920.336670.43 72.10540.75379.80920.5566.170.23 72.20541.50379.27920.7766.270.04 72.30542.25378.75921.0066.369.84 72.40543.00378.22921.2266.469.65 72.50543.75377.70921.4566.569.46基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率72.60544.50377.17921.6766.669.26 72.70545.25376.65921.9066.769.07 72.80546.00376.13922.1366.868.8872.90546.75375.61922.3666.968.6973.00547.50375.09922.596768.50 73.10548.25374.58922.8367.168.32 73.20549.00374.06923.0667.268.13 73.30549.75373.55923.3067.367.94 73.40550.50373.04923.5467.467.76 73.50551.25372.53923.7867.567.57 73.60552.00372.02924.0267.667.39 73.70552.75371.51924.2667.767.21 73.80553.50371.00924.5067.867.0273.90554.25370.50924.7567.966.8474.00555.00369.99924.996866.66 74.10555.75369.49925.2468.166.48 74.20556.50368.99925.4968.266.30 74.30557.25368.49925.7468.366.12 74.40558.00367.99925.9968.465.94 74.50558.75367.49926.2468.565.77 74.60559.50366.99926.4968.665.59 74.70560.25366.50926.7568.765.41 74.80561.00366.01927.0168.865.2474.90561.75365.51927.2668.965.0675.00562.50365.02927.526964.89 75.10563.25364.53927.7869.164.71 75.20564.00364.04928.0469.264.54 75.29564.74363.56928.3069.2964.37 75.39565.49363.07928.5669.3964.20 75.49566.24362.58928.8269.4964.03 75.59566.99362.10929.0969.5963.86 75.69567.74361.62929.3669.6963.69 75.79568.49361.14929.6369.7963.52 75.89569.24360.66929.9069.8963.35 75.99569.99360.18930.1769.9963.19基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率76.09570.74359.70930.4470.0963.02 76.19571.49359.22930.7170.1962.85 76.29572.24358.75930.9970.2962.69 76.39572.99358.27931.2670.3962.52 76.49573.74357.80931.5470.4962.36 76.59574.49357.33931.8270.5962.19 76.69575.24356.86932.1070.6962.03 76.79575.99356.39932.3870.7961.87 76.89576.74355.92932.6670.8961.7176.99577.49355.46932.9570.9961.5577.09578.24354.99933.2371.0961.39 77.19578.99354.53933.5271.1961.23 77.29579.74354.06933.8071.2961.07 77.39580.49353.60934.0971.3960.91 77.49581.24353.14934.3871.4960.75 77.59581.99352.68934.6771.5960.59 77.69582.74352.22934.9671.6960.44 77.79583.49351.76935.2571.7960.28 77.89584.24351.31935.5571.8960.1377.99584.99350.85935.8471.9959.9778.09585.74350.40936.1472.0959.82 78.19586.49349.94936.4372.1959.66 78.29587.24349.49936.7372.2959.51 78.39587.99349.04937.0372.3959.36 78.49588.74348.59937.3372.4959.20 78.59589.49348.14937.6372.5959.05 78.69590.24347.70937.9472.6958.90 78.79590.99347.25938.2472.7958.75 78.89591.74346.81938.5572.8958.6078.99592.49346.36938.8572.9958.4579.09593.24345.92939.1673.0958.31 79.19593.99345.48939.4773.1958.16 79.29594.74345.04939.7873.2958.01 79.39595.49344.60940.0973.3957.86 79.49596.24344.16940.4073.4957.72基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率79.59596.99343.72940.7173.5957.57 79.69597.74343.28941.0273.6957.42 79.79598.49342.85941.3473.7957.28 79.89599.24342.41941.6573.8957.1479.99599.99341.98941.9773.9956.9980.09600.74341.55942.2974.0956.85 80.19601.49341.12942.6174.1956.71 80.29602.24340.69942.9374.2956.57 80.39602.99340.26943.2574.3956.42 80.49603.74339.83943.5774.4956.28 80.59604.49339.40943.8974.5956.14 80.69605.24338.98944.2274.6956.00 80.79605.99338.55944.5474.7955.86 80.89606.74338.13944.8774.8955.7280.99607.49337.70945.1974.9955.5881.09608.24337.28945.5275.0955.45 81.19608.99336.86945.8575.1955.31 81.29609.74336.44946.1875.2955.17 81.39610.49336.02946.5175.3955.04 81.49611.24335.61946.8575.4954.90 81.59611.99335.19947.1875.5954.77 81.69612.74334.77947.5175.6954.63 81.79613.49334.36947.8575.7954.50 81.89614.24333.94948.1875.8954.3681.99614.99333.53948.5275.9954.2382.09615.74333.12948.8676.0954.10 82.19616.49332.71949.2076.1953.96 82.29617.24332.30949.5476.2953.83 82.39617.99331.89949.8876.3953.70 82.49618.74331.48950.2276.4953.57 82.59619.49331.07950.5676.5953.44 82.69620.24330.67950.9176.6953.31 82.79620.99330.26951.2576.7953.18 82.89621.74329.86951.6076.8953.05 82.99622.49329.46951.9576.9952.92基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率83.09623.24329.05952.2977.0952.79 83.19623.99328.65952.6477.1952.66 83.29624.74328.25952.9977.2952.54 83.39625.49327.85953.3477.3952.41 83.49626.24327.46953.7077.4952.28 83.59626.99327.06954.0577.5952.16 83.69627.74326.66954.4077.6952.03 83.79628.49326.27954.7677.7951.91 83.89629.24325.87955.1177.8951.7883.99629.99325.48955.4777.9951.6684.09630.74325.08955.8278.0951.53 84.19631.49324.69956.1878.1951.41 84.29632.24324.30956.5478.2951.29 84.39632.99323.91956.9078.3951.17 84.49633.74323.52957.2678.4951.04 84.59634.49323.13957.6278.5950.92 84.69635.24322.75957.9978.6950.80 84.79635.99322.36958.3578.7950.68 84.89636.74321.97958.7178.8950.5684.99637.49321.59959.0878.9950.4485.09638.24321.21959.4579.0950.32 85.19638.99320.82959.8179.1950.20 85.29639.74320.44960.1879.2950.08 85.39640.49320.06960.5579.3949.97 85.49641.24319.68960.9279.4949.85 85.59641.99319.30961.2979.5949.73 85.69642.74318.92961.6679.6949.61 85.79643.49318.54962.0379.7949.50 85.89644.24318.17962.4179.8949.3885.99644.99317.79962.7879.9949.2786.09645.74317.42963.1680.0949.15 86.19646.49317.04963.5380.1949.04 86.29647.24316.67963.9180.2948.92 86.39647.99316.30964.2980.3948.81 86.49648.74315.92964.6680.4948.69基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率86.59649.49315.55965.0480.5948.58 86.69650.24315.18965.4280.6948.47 86.79650.99314.81965.8080.7948.35 86.89651.74314.45966.1980.8948.2486.99652.49314.08966.5780.9948.1387.09653.24313.71966.9581.0948.02 87.19653.99313.35967.3481.1947.91 87.29654.74312.98967.7281.2947.80 87.39655.49312.62968.1181.3947.69 87.49656.24312.25968.4981.4947.58 87.59656.99311.89968.8881.5947.47 87.69657.74311.53969.2781.6947.36 87.79658.49311.17969.6681.7947.25 87.89659.24310.81970.0581.8947.1487.99659.99310.45970.4481.9947.0388.09660.74310.09970.8382.0946.93 88.19661.49309.73971.2282.1946.82 88.29662.24309.38971.6282.2946.71 88.39662.99309.02972.0182.3946.61 88.49663.74308.67972.4182.4946.50 88.59664.49308.31972.8082.5946.39 88.69665.24307.96973.2082.6946.29 88.79665.99307.60973.5982.7946.18 88.89666.74307.25973.9982.8946.0888.99667.49306.90974.3982.9945.9789.09668.24306.55974.7983.0945.87 89.19668.99306.20975.1983.1945.77 89.29669.74305.85975.5983.2945.66 89.39670.49305.50975.9983.3945.56 89.49671.24305.16976.4083.4945.46 89.59671.99304.81976.8083.5945.35 89.69672.74304.46977.2083.6945.25 89.79673.49304.12977.6183.7945.15 89.89674.24303.77978.0183.8945.05 89.99674.99303.43978.4283.9944.95基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率90.09675.74303.09978.8384.0944.85 90.19676.49302.75979.2484.1944.75 90.29677.24302.40979.6484.2944.65 90.39677.99302.06980.0584.3944.55 90.49678.74301.72980.4684.4944.45 90.59679.49301.39980.8884.5944.35 90.69680.24301.05981.2984.6944.25 90.79680.99300.71981.7084.7944.15 90.89681.74300.37982.1184.8944.0590.99682.49300.04982.5384.9943.9691.09683.24299.70982.9485.0943.86 91.19683.99299.37983.3685.1943.76 91.29684.74299.03983.7785.2943.67 91.39685.49298.70984.1985.3943.57 91.49686.24298.37984.6185.4943.47 91.59686.99298.03985.0285.5943.38 91.69687.74297.70985.4485.6943.28 91.79688.49297.37985.8685.7943.19 91.89689.24297.04986.2885.8943.0991.99689.99296.71986.7085.9943.0092.09690.74296.39987.1386.0942.90 92.19691.49296.06987.5586.1942.81 92.29692.24295.73987.9786.2942.72 92.39692.99295.41988.4086.3942.62 92.49693.74295.08988.8286.4942.53 92.59694.49294.76989.2586.5942.44 92.69695.24294.43989.6786.6942.34 92.79695.99294.11990.1086.7942.25 92.89696.74293.79990.5386.8942.1692.99697.49293.46990.9586.9942.0793.09698.24293.14991.3887.0941.98 93.19698.99292.82991.8187.1941.89 93.29699.74292.50992.2487.2941.80 93.39700.49292.18992.6787.3941.71 93.49701.24291.86993.1087.4941.62基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率93.59701.99291.55993.5487.5941.53 93.69702.74291.23993.9787.6941.44 93.79703.49290.91994.4087.7941.35 93.89704.24290.60994.8487.8941.2693.99704.99290.28995.2787.9941.1794.09705.74289.97995.7188.0941.08 94.19706.49289.65996.1488.1940.99 94.29707.24289.34996.5888.2940.91 94.39707.99289.03997.0288.3940.82 94.49708.74288.72997.4688.4940.73 94.59709.49288.40997.8988.5940.64 94.69710.24288.09998.3388.6940.56 94.79710.99287.78998.7788.7940.47 94.89711.74287.47999.2188.8940.3894.99712.49287.17999.6688.9940.3095.09713.24286.861000.1089.0940.21 95.19713.99286.551000.5489.1940.13 95.29714.74286.241000.9889.2940.04 95.39715.49285.941001.4389.3939.96 95.49716.24285.631001.8789.4939.87 95.59716.99285.331002.3289.5939.79 95.69717.74285.021002.7689.6939.71 95.79718.49284.721003.2189.7939.62 95.89719.24284.421003.6689.8939.5495.99719.99284.111004.1089.9939.4696.09720.74283.811004.5590.0939.37 96.19721.49283.511005.0090.1939.29 96.29722.24283.211005.4590.2939.21 96.39722.99282.911005.9090.3939.13 96.49723.74282.611006.3590.4939.04 96.59724.49282.311006.8090.5938.96 96.69725.24282.021007.2690.6938.88 96.79725.99281.721007.7190.7938.80 96.89726.74281.421008.1690.8938.72 96.99727.49281.131008.6290.9938.64基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率97.09728.24280.831009.0791.0938.56 97.19728.99280.541009.5391.1938.48 97.29729.74280.241009.9891.2938.40 97.39730.49279.951010.4491.3938.32 97.49731.24279.661010.9091.4938.24 97.59731.99279.361011.3591.5938.16 97.69732.74279.071011.8191.6938.08 97.79733.49278.781012.2791.7938.00 97.89734.24278.491012.7391.8937.9297.99734.99278.201013.1991.9937.8598.09735.74277.911013.6592.0937.77 98.19736.49277.621014.1192.1937.69 98.29737.24277.331014.5792.2937.61 98.39737.99277.041015.0392.3937.53 98.49738.74276.761015.5092.4937.46 98.59739.49276.471015.9692.5937.38 98.69740.24276.191016.4392.6937.31 98.79740.99275.901016.8992.7937.23 98.89741.74275.611017.3592.8937.1598.99742.49275.331017.8292.9937.0899.09743.24275.051018.2993.0937.00 99.19743.99274.761018.7593.1936.93 99.29744.74274.481019.2293.2936.85 99.39745.49274.201019.6993.3936.78 99.49746.24273.921020.1693.4936.70 99.59746.99273.641020.6393.5936.63 99.69747.74273.361021.1093.6936.55 99.79748.49273.081021.5793.7936.48 99.89749.24272.801022.0493.8936.41 99.99749.99272.521022.5193.9936.33 100.09750.74272.241022.9894.0936.26 100.19751.49271.961023.4594.1936.18 100.29752.24271.691023.9394.2936.11 100.39752.99271.411024.4094.3936.04 100.49753.74271.131024.8794.4935.97基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率100.59754.49270.861025.3594.5935.89 100.69755.24270.581025.8294.6935.82 100.79755.99270.311026.3094.7935.75 100.89756.74270.041026.7894.8935.68 100.99757.49269.761027.2594.9935.61 101.09758.24269.491027.7395.0935.54 101.19758.99269.221028.2195.1935.47 101.29759.74268.951028.6995.2935.40 101.39760.49268.681029.1795.3935.32 101.49761.24268.411029.6595.4935.25 101.59761.99268.141030.1395.5935.18 101.69762.74267.871030.6195.6935.11 101.79763.49267.601031.0995.7935.04 101.89764.24267.331031.5795.8934.97 101.99764.99267.061032.0595.9934.91 102.09765.74266.791032.5396.0934.84 102.19766.49266.531033.0296.1934.77 102.29767.24266.261033.5096.2934.70 102.39767.99266.001033.9996.3934.63 102.49768.74265.731034.4796.4934.56 102.59769.49265.471034.9696.5934.49 102.69770.24265.201035.4496.6934.43 102.79770.99264.941035.9396.7934.36 102.89771.74264.681036.4296.8934.29 102.99772.49264.411036.9096.9934.22 103.09773.24264.151037.3997.0934.16 103.19773.99263.891037.8897.1934.09 103.29774.74263.631038.3797.2934.02 103.39775.49263.371038.8697.3933.96 103.49776.24263.111039.3597.4933.89 103.59776.99262.851039.8497.5933.82 103.69777.74262.591040.3397.6933.76 103.79778.49262.331040.8297.7933.69 103.89779.24262.071041.3197.8933.63 103.99779.99261.811041.8097.9933.56基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率104.09780.74261.561042.3098.0933.50 104.19781.49261.301042.7998.1933.43 104.29782.24261.051043.2998.2933.37 104.39782.99260.791043.7898.3933.30 104.49783.74260.531044.2798.4933.24 104.59784.49260.281044.7798.5933.17 104.69785.24260.031045.2798.6933.11 104.79785.99259.771045.7698.7933.05 104.89786.74259.521046.2698.8932.98 104.99787.49259.271046.7698.9932.92 105.09788.24259.011047.2599.0932.85 105.19788.99258.761047.7599.1932.79 105.29789.74258.511048.2599.2932.73 105.39790.49258.261048.7599.3932.67 105.49791.24258.011049.2599.4932.60 105.59791.99257.761049.7599.5932.54 105.69792.74257.511050.2599.6932.48 105.79793.49257.261050.7599.7932.42 105.89794.24257.011051.2599.8932.35 105.99794.99256.771051.7699.9932.29 106.09795.74256.521052.26100.0932.23 106.19796.49256.271052.76100.1932.17 106.29797.24256.021053.26100.2932.11 106.39797.99255.781053.77100.3932.05 106.49798.74255.531054.27100.4931.99 106.59799.49255.291054.78100.5931.93 106.69800.24255.041055.28100.6931.87 106.79800.99254.801055.79100.7931.81 106.89801.74254.561056.30100.8931.75 106.99802.49254.311056.80100.9931.69 107.09803.24254.071057.31101.0931.63 107.19803.99253.831057.82101.1931.57 107.29804.74253.581058.32101.2931.51 107.39805.49253.341058.83101.3931.45 107.49806.24253.101059.34101.4931.39基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率107.59806.99252.861059.85101.5931.33 107.69807.74252.621060.36101.6931.27 107.79808.49252.381060.87101.7931.21 107.89809.24252.141061.38101.8931.15 107.99809.99251.901061.89101.9931.09 108.09810.74251.671062.41102.0931.04 108.19811.49251.431062.92102.1930.98 108.29812.24251.191063.43102.2930.92 108.39812.99250.951063.94102.3930.86 108.49813.74250.721064.46102.4930.81 108.59814.49250.481064.97102.5930.75 108.69815.24250.241065.48102.6930.69 108.79815.99250.011066.00102.7930.63 108.89816.74249.771066.51102.8930.58 108.99817.49249.541067.03102.9930.52 109.09818.24249.311067.55103.0930.46 109.19818.99249.071068.06103.1930.41 109.29819.74248.841068.58103.2930.35 109.39820.49248.611069.10103.3930.30 109.49821.24248.371069.61103.4930.24 109.59821.99248.141070.13103.5930.18 109.69822.74247.911070.65103.6930.13 109.79823.49247.681071.17103.7930.07 109.89824.24247.451071.69103.8930.02 109.99824.99247.221072.21103.9929.96 110.09825.74246.991072.73104.0929.91 110.19826.49246.761073.25104.1929.85 110.29827.24246.531073.77104.2929.80 110.39827.99246.301074.29104.3929.74 110.49828.74246.081074.82104.4929.69 110.59829.49245.851075.34104.5929.63 110.69830.24245.621075.86104.6929.58 110.79830.99245.391076.38104.7929.52 110.89831.74245.171076.91104.8929.47 110.99832.49244.941077.43104.9929.42基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率111.09833.24244.721077.96105.0929.36 111.19833.99244.491078.48105.1929.31 111.29834.74244.271079.01105.2929.26 111.39835.49244.041079.53105.3929.20 111.49836.24243.821080.06105.4929.15 111.59836.99243.591080.58105.5929.10 111.69837.74243.371081.11105.6929.05 111.79838.49243.151081.64105.7928.99 111.89839.24242.931082.17105.8928.94 111.99839.99242.701082.69105.9928.89 112.09840.74242.481083.22106.0928.84 112.19841.49242.261083.75106.1928.78 112.29842.24242.041084.28106.2928.73 112.39842.99241.821084.81106.3928.68 112.49843.74241.601085.34106.4928.63 112.59844.49241.381085.87106.5928.58 112.69845.24241.161086.40106.6928.53 112.79845.99240.941086.93106.7928.48 112.89846.74240.721087.46106.8928.42 112.99847.49240.511088.00106.9928.37 113.09848.24240.291088.53107.0928.32 113.19848.99240.071089.06107.1928.27 113.29849.74239.851089.59107.2928.22 113.39850.49239.641090.13107.3928.17 113.49851.24239.421090.66107.4928.12 113.59851.99239.211091.20107.5928.07 113.69852.74238.991091.73107.6928.02 113.79853.49238.781092.27107.7927.97 113.89854.24238.561092.80107.8927.92 113.99854.99238.351093.34107.9927.87 114.09855.74238.131093.87108.0927.82 114.19856.49237.921094.41108.1927.77 114.29857.24237.711094.95108.2927.72 114.39857.99237.491095.48108.3927.67 114.49858.74237.281096.02108.4927.63基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率114.59859.49237.071096.56108.5927.58 114.69860.24236.861097.10108.6927.53 114.79860.99236.651097.64108.7927.48 114.89861.74236.441098.18108.8927.43 114.99862.49236.221098.71108.9927.38 115.09863.24236.011099.25109.0927.34 115.19863.99235.811099.80109.1927.29 115.29864.74235.601100.34109.2927.24 115.39865.49235.391100.88109.3927.19 115.49866.24235.181101.42109.4927.14 115.59866.99234.971101.96109.5927.10 115.69867.74234.761102.50109.6927.05 115.79868.49234.551103.04109.7927.00 115.89869.24234.351103.59109.8926.96 115.99869.99234.141104.13109.9926.91 116.09870.74233.931104.67110.0926.86 116.19871.49233.731105.22110.1926.81 116.29872.24233.521105.76110.2926.77 116.39872.99233.321106.31110.3926.72 116.49873.74233.111106.85110.4926.67 116.59874.49232.911107.40110.5926.63 116.69875.24232.701107.94110.6926.58 116.79875.99232.501108.49110.7926.54 116.89876.74232.301109.04110.8926.49 116.99877.49232.091109.58110.9926.44 117.09878.24231.891110.13111.0926.4 117.19878.99231.691110.68111.1926.35 117.29879.74231.481111.22111.2926.31 117.39880.49231.281111.77111.3926.26 117.49881.24231.081112.32111.4926.22 117.59881.99230.881112.87111.5926.17 117.69882.74230.681113.42111.6926.13 117.79883.49230.481113.97111.7926.08 117.89884.24230.281114.52111.8926.04 117.99884.99230.081115.07111.9925.99基础长度45米基础宽度13米桩长或基础埋深45米附加应力340kpa计算间距0.5米土体容重0.75自桩端计算压缩层厚(10%)34.50压缩层厚(20%)23深度土体自重附加应力土体自重与附加应力之和桩端以下深度百分率118.09885.74229.881115.62112.0925.95 118.19886.49229.681116.17112.1925.9 118.29887.24229.481116.72112.2925.86 118.39887.99229.281117.27112.3925.82 118.49888.74229.081117.82112.4925.77 118.59889.49228.891118.38112.5925.73 118.69890.24228.691118.93112.6925.68 118.79890.99228.491119.48112.7925.64 118.89891.74228.291120.03112.8925.6 118.99892.49228.101120.59112.9925.55 119.09893.24227.901121.14113.0925.51 119.19893.99227.711121.70113.1925.47 119.29894.74227.511122.25113.2925.42 119.39895.49227.321122.81113.3925.38 119.49896.24227.121123.36113.4925.34 119.59896.99226.931123.92113.5925.29 119.69897.74226.731124.47113.6925.25 119.79898.49226.541125.03113.7925.21 119.89899.24226.351125.59113.8925.17 119.99899.99226.151126.14113.9925.12 120.09900.74225.961126.70114.0925.08 120.19901.49225.771127.26114.1925.04 120.29902.24225.571127.81114.2925 120.39902.99225.381128.37114.3924.95 120.49903.74225.191128.93114.4924.91 120.59904.49225.001129.49114.5924.87 120.69905.24224.811130.05114.6924.83 120.79905.99224.621130.61114.7924.79 120.89906.74224.431131.17114.8924.75 120.99907.49224.241131.73114.9924.7 121.09908.24224.051132.29115.0924.66 121.19908.99223.861132.85115.1924.62 121.29909.74223.671133.41115.2924.58 121.39910.49223.481133.97115.3924.54 121.49911.24223.291134.53115.4924.5。
自重应力:由土层自身重力引起的土中应力。
附加应力:是指土体受外荷载以及地下水渗流、地震等作用下附加产生的应力增量,它是引起土体变形和地基变形的主要原因,也是导致土体强度破坏和失稳的重要原因。
基底压力:建筑物荷载通过基础传给地基,在基础底面与地基之间的接触应力。
基底附加压力:由于新建建筑物在地基当中增加的应力就叫基底附加应力。
土的压缩性:土体在压力作用下,体积减小的特性。
土的抗剪强度:土体对外荷载所产生的剪应力的极限抵抗能力。
静止土压力:挡土墙在压力作用下不发生任何变形和位移(移动或转动),墙后填土处于弹性平衡状态时,作用在挡土墙背的土压力称为静止土压力;主动土压力:挡土墙在土压力作用下离开土体向前位移时,土压力随之减小。
当位移至一定数值时,墙后土体达到主动极限平衡状态。
此时,作用在墙背的土压力称为主动土压力;被动土压力:挡土墙在外力作用下推挤土体向后位移时,作用在墙上的土压力随之增加。
当位移至一定数值时,墙后土体达到被动极限平衡状态。
此时,作用在墙上的土压力称为被动土压力。
9. 地基破坏模式有几种?发生整体剪切破坏时p-s曲线的特征如何?(形式:整体剪切破坏、局部剪切破坏、冲切破坏。
地基发生整体剪切破坏,P-S曲线陡直下降,通常称为完全破坏阶段。
其地基变形的发展可分为三个阶段:压密阶段即当荷载较小时,基底压力p与沉降s大致呈直线关系;剪切阶段即当荷载增加到某一数值时,基础边缘土体开始发生剪切破坏,随着荷载的增加,剪切破坏区逐渐扩大,土体开始向周围挤出,P-S曲线不再保持直线;完全破坏阶段即随着荷载继续增加,剪切破坏区不断扩大,最终在地基中形成一连续的滑动面,基础极具下沉或向一侧倾斜,同时土体被挤出,基础四周地面隆起,地基发生整体剪切破坏P-S曲线陡直下降。
1、何为最有含水量?影响填土压实效果的主要因素有哪些?答:在一定功能的压实作用下,能使填土达到最大干密度所对应的含水率。
含水量对整个压实过程的影响;击实功对最佳含水量和最大干密度的影响;不同压实机械对压实的影响;土粒级配的影响。
论自重应力与附加应力
李广信清华大学
《易传》中有“地势坤,君子以厚德载物”。
就是讲大地生发万物,承载万物。
山川河谷、广袤平原,其中的岩土中的应力有其自重应力和由于“载物”而产生的附加应力。
土力学中的狭义的自重应力与附加压力主要是指建筑物的地基中的应力,通常指半无限空间中的中的竖向自重应力。
但土工构造物与崎岖山丘同样也存在复杂的自重应力与附加应力的问题。
前几年关于自重应力曾进行过几轮争论,归纳起来主要由三类意见。
意见1. 认为自重应力就是有效用力,水下用浮重度计算,地面以下深度z处的自重应力可表示为式(1)。
并且解释了用有效应力定义自重应力的原因、优点和历史。
以及与国内外的大部分教材的一致性。
式中第n~m土层在地下水以下。
意见2. 认为自重应力就应定义为总应力,有效应力是相对次生的。
地面以下深度z处的自重应力可表示为式(2)。
意见3. 认为与土力学中的所有应力一样,自重应力一开始就存在着自重总应力和自重有效应力,自重总应力用类似于式(2)计算,自重有效应力见式(3)。
式中uz为深度z处的孔隙水压力。
从下面的几个例子可以看到,由于地下水的赋存形式十分复杂,第三种意见更能适应各种情况。
图1 黏性图下为砂土两种情况
例1.如图1(a)所示,这时可以揭出两层地下水,在稳定渗流情况下,上层黏土中地下水实际上属于滞水,由于上下两面均与大气相接,不可能存在孔隙水压力。
地面以下z深度处的自重压力为:
例2. 如图1(b)所示,在稳定渗流情况下,上层黏土中地下水与地面齐平,其下砂土层中含有承压水,水面高度在地面以上h。
地面以下z深度处的自重压力为:
从这两个例题可见用式(1)不能计算在有渗流情况下的自重有效应力。
图2 土层上有积水的情况
例3. 在图2中,地面有深度为h的地表水,直接用式(1)计算地面以下z深度处的有效自重应力是可以的,即,而用式(2)中的地面以下z 深度处的总自重应力应当为,可是无法用式(3)计算出自重有效应力。
而根据意见3,可计算如下:
亦即自重总应力从水面起算。
在土力学中,自重应力与附加压力主要是用于计算地基的沉降,所以最常用的还是自重有效应力,自重总应力通常是计算自重有效应力的一个
过渡。
土体的附加应力不能简单的定义为由建筑物荷载引起的,基坑开挖(负的附加应力)、人工降水(正的附加应力)、地基土的干湿和温度变化、地震等外部的作用也会引起附加应力。
附加应力同样存在着附加总压力与附加有效应力。
设有一个矩形荷载作用于饱和地基上,用布辛尼斯克解可分别得到附加主应力与附加有效应力。
如果以饱和土体为载体,则可以用弹性参数计算出地基内的附加总压力;如果以土骨架为载体,则可以用弹性参数计算出地基内的附加有效压力;但是。
这是由于在固结的过程中土中的总压力是变化的。
所以用可以计算出地基的瞬时沉降,用可以计算出总沉降(瞬时沉降+固结沉降)。
关于自重应力曾经与几个同学有过如下的讨论。
甲:老师,听说颐和园的万寿山是由开挖昆明湖的土填筑的,那现在堆山在地基下产生的应力是属于自重应力还是附加应力呢?
答:万寿山已经形成几百年了,沉降也早已稳定,目前也难以分辨原土与填筑土了,应当算是自重应力吧。
乙:最近在奥林匹克公园,也在挖池堆山,山下土中的应力也属于自重应力吗?
答:这里的填土产生的孔隙水压力恐怕还有完全消散,沉降也有稳定,不应算自重应力,应按附加应力考虑,以便预测其沉降与变形。
丙:那新近沉积的欠固结土的应力也就不能算自重应力了?
答:黄河出海口的东营县,年黄河可淤积造地3~4万亩,都属于欠固结
土。
欠固结土是自然沉积的同类同质的土,有理由说它的应力不是自重应力。
如果其淤积的速度与时间的平方根成正比,亦即, 则超静孔压的分布与时间无关,当时,图3表示的是某时间t时,土层中应力、孔压分布图,它的形状是不随时间变化的。
可见用式(3)计算有效自重应力仍然是可行的。
图3 淤积的速度与时间的平方根成正比的超静孔压
丁:听说有一个美女,称完体重是100斤,可是她认为自重应是95斤,因为那5斤是硅胶,这对吗?
答:你们真是一群熊孩子,竟会问出这多的问题。
丰乳用的液体硅胶与人的机体是不同质的异物,似乎不应计入自重。
这正如注水猪肉一样是骗人的。
从上面的对话可见,自重应力与附加应力有时也是很难判断的。
例如目前北京市的常住人口是2100多万,而其中外来人口为800多万,其中绝大多数是农民工。
尽管他们为北京工作、建设和服务,甚至离开他们北京就很难运转。
但他们不能计入北京市的自重应力中恐怕是有目共睹的,他们与正式的北京市民基本是不同“质”的。
“文革”期间大讲“红五类”、“黑五类”,很多自认为是国之良民的人突然被排除在人民的自重应力之外。
建国以后很多知识分子兴高采烈地投入新中国的建设,可后来不少被打成右派,也不属于人民的自重应力了。
泽东宣称“这批知识分子可以说都是资产阶级知识分子”。
后来又进一步强调:“他们还是属于资产阶级的知识分子”。
现在提出了一国两制,三个代表,资产阶级也属于人民的范畴了。
所“一国”应当指的是中国。
大连带香港、台湾、澳门都属于中国的自重应力了。
过了抗日胜利70周年,就是建国66周年了。
我们总是把49年叫做建国,小时候一首歌唱的是“有共产党就有中国”,后来不知何时加了一个“新”字。
那49年以前就有中国吗?即使是被称为鞑的满清,对于明代也称为“前朝”,自称为“本朝”。
把进关灭明时叫做“鼎革”。
可见那时“一个中国”的概念还是清楚的。
可是套用列宁对于国家的定义:“国家是一个阶级压迫一个阶级的机器”,那国家就是政权了,甚至就是一部分人压迫另一部分人的工具,与民族情操,爱国主义无关。
所以中国历史上的春秋战国、五代十国、十六国、三国志时代,国家就特别多,各有其自重应力,与中国无关。
所以苏秦六国为相,冯道五国十帝列三公,那是只讲利害,无关名节的,与爱国主义无关。
以土力学的观点看待社会有时是很迷惘的,例如人民、国家的自重法应力应如何归属呢?。