波速报告(新天城市广场一二区)

1、附件1新天城市广场一、二区场地土层剪切波速与地脉动测试报告审 核:测 试:福建岩土工程勘察研究院2010年11月22日一、前言为划分场地土类型及场地类别，在利用初勘钻孔ck14剪切波速测试资料的基础 上，在拟建场地布置了钻孔 zk233、zk272、zk275、zk310、zk359、zk380 和 zk408 (共7个钻孔)作为场地土层剪切波速测试孔，为工程抗震和隔振设计提供场地的卓越周 期值，在新天城市广场整个场地范围内布置了 3个地面脉动检测点，分别位于四区 钻孔zk11、三区钻孔zk150和一区钻孔zk359附近，测试依据国家标准建筑抗震 设计规范(gb50011-2001)2008年

2、版和国家标准地基动力测试规范(gb/t50269-97) 和行业标准场地微振动测量技术规程(cecs 74:95)o二、剪切波速测试及场地类别划分1、试验方法试验方法采用单孔检层法，锤击上压重物的木板激发，孔口与木板长轴线的距离 1.003.00m，测点间距(0-h(i)今.0m并结合地质分层情况进行调整，记录每个测 点相位相反的两组波形，根据波形曲线判读激发点到测点的走时。2、仪器设备采集仪采用中科院武汉岩土所生产的rsm-24fd工程浮点动测仪，传感器釆用中 国地震局哈力所生产的jbt-2型井下三分量检波器，带宽28200h乙灵敏度28 vsim。3、数据处理方法 、由于振源距孔口有一定距

3、离厶，为测求从孔口至测点所需走时人，按公式“h + h。和k = w+(h +砒进行计算。 、波速层的划分根据波速测试结果结合地质分层情况，按时距曲线具有不同斜a lj率的折线段确定，每一波速层的剪切波速值按公式匕”二#计算。根据波速测试成果 ats进行场地土类型划分，等效剪切波速按喰=£和心£仏九)计算，根据人和几划/=1分场地类别。三、场地土类型及场地类别场地土类型划分表波速层名裙、zk233zk272zk275zk310zk359zk380zk408ck14平均 值场地土类型杂填土183175153137155153144144156软弱中软土粉质粘土15115713

4、2133132182146148软羽中软土淤泥9811712193101109130110软弱土中粗砂201201中软土粉质粘土261378268283219296313267286中软中硬土中粗砂229272314274272中软中硬十 卵石403444424433422437403417423中硬十残积砂质粘性十272276252235270257289264中软中硬十 全风化花岗岩313354286334316322349325中硬土强风化花岗岩1397366370389383392361380中硬土强风化花岗岩2499483482475467483419427467中硬土(下段部分为坚

5、硬土)强风化花岗岩357657()563617609571567535576坚硬土注:详见附录a单孔剪切波速测试成果表及附录b单孔剪切波速测试成果图。场地类別划分表'f号zkzkzkzkzkzkzkck平均值评价项目23327227531035938040814等效剪切波速vse(nvs)203203207213251175179239209覆盖层厚度dv (in)36.0036.0037.0042.0040.0037.0037.0039.703&09规范中相应场地覆盖层厚度(m)3 5()3503 5()350n53503503 5()350场地类别i【类ii类ii类ii类i

6、i类ii类ii类ii类ii类四、场地地脉动测试及场地卓越周期值1、试验方法：采样长度8k点，采样间隔1020ms(50100hz),每个测点进行三 个方向的拾震，各记录812次，为了避开非常时性的振动干扰，测试时间选在比较 安静的时段进行。2、仪器设备数据采集采用中科院武汉岩土所生产的rsm-24fd工程浮点动测仪，检波器采用 中国地震局哈力所生产891-3型拾震器。3、场地卓越周期通过对所采样本进行功率谱分析，每个样本数据用1024个点，采用海明窗函数处 理，频域平均次数均不少于32次，卓越频率/的确定根据规范要求，选取重复性最好的 数据样本按谱图中最大峰值所对应的频率确定，场地卓越周期根据

7、卓越频率确定，按公 式t = y计算。卓越频率及卓越周期一览表单位：秒测点编号水平向垂直向东西向南北向卓越频率(hz)zk112.542.542.54zk1502.642.732.73zk3592.642.732.73卓越周期(s)zk110.3940.3940.394zk1500.37903660.366zk3590.37903660.366平均值0.3800.375注：详见附录c的时域曲线与频域曲线图附录a：单孔剪切波速测试成果表zk233钻孔剪切波速测试成果表ho=o.oo l= 1.70测点原始数据斜距 校正 系数经斜距 校止后 走时t段波速vsi土(岩)层波速叽m测点 深度走时血自至

8、波速土(岩)层名称层底 深度层厚波速mmskmsmmm/smmm/s1.6012.790.685&770.001.60183杂填土1.601.601832.5017.470.82714.451.602.501584.2028.090.92726.042.504.20147粉质粘土4.202.601516.1047.130.96345.404.206098淤泥6.101.90989.0057.430.98356.436.109.0026311.5065.290.98964.599.0011.50307粉质粘土11.505.4028113.9074.290.99373.7411.5013.

9、9026215.0078.350.99477.8513.9015.0026817.5088.030.99587.6215.0017.50256中砂17.506.0026120.009&640.99698.2917.5020.0023420.40100.520.997100.1720.0020.40212粉质粘土20.402.9023122.00104.260.997103.9520.4022.0042424.20109.880.998109.6122.0024.20389卵石24.203.8040326.80119.400.998119.1624.2026.80272残积砂质粘性土26

10、.802.6027229.50127.990.998127.7826.8029.50313全风化花岗岩29.502.7031331.80133.760.999133.5729.5031.80397强风化花岗岩31.802.3039734.00138.600.99913&4331.8034.0045336.00142.980.999142.8234.0036.0045538.00146.870.999146.7236.0038.0051340.00150.570.999150.4338.0040.0053942.00154.310.999154.1840.0042.0053343.501

11、57.120.999157.0042.0043.50533强风化花岗岩243.5011.7049945.30160.240.999160.1343.5045.30576强风化花岗岩345.301.80576测点原始数据一距正数-斜校系经斜距 校正后 走时t段波速vsi土（岩）层波速叽尬测点 深度走时几自至波速土 （岩）层名称底度 层深层厚波速mmskmsmmm/smmm/s2.0014.980.76211.410.002.00175杂填土2.002.001754.1026.840.92424.792.004.10157粉质粘土4.102.101577.0053.060.9725l564.107

12、.001089.6073.040.98571.927.009.60128淤泥9.605.5011712.0079.290.99078.519.6012.0036414.0083.970.99383.3612.0014.0041216.1089.590.99489.0914.0016.10366粉质粘土16.106.5037818.0094.270.99693.8516.101&0039920.009&640.9969&291&0020.0045122.00102.890.9971025820.0022.0046524.60108.490.998108.2322.

13、0024.60460卵石24.608.5044426.50115.360.998115.122第6026.50276残积砂质粘性土26.501.9027628.00119.610.998119.3926.5028.0035230.70126.790.998126.602&0030.70375强风化花岗岩|30.704.2036633.00132.260.999132.0830.7033.0()41936.00138.810.99913&6633.0036.0045738.00142.560.999142.4236.003&0053240.00146.450.999146

14、.3238.0040.0051341.90149.890.999149.7740.0041.90551强风化花岗岩241.9011.2048344.00153.640.999153.5341.9044.0055946.00157.070.999156.9644.0046.00582强风化花岗岩346.004.10570zk272钻孔剪切波速测试成果表 螞=000 l= 1.70zk275钻孔剪切波速测试成果表ho=ooo l= 2.10测点原始数据一距正数-斜校系经斜距 校正后 走时t段波速vsi土（岩）层波速人测点 深度走时巩自至波速土 （岩）层名称层底 深度层厚波速mmskmsmmm/sm

15、mm/s1.4016.540.5559.170.001.40153杂填土1.401.401533.0026.210.81921.471.403.001304.803&080.91634.893.004.80134粉质粘土4.803.401326.0047.440.94444.784.806.00121淤泥6.001.201218.0054.660.96752.876.008.0024710.2062.430.97961.15&0010.2026611.6067.420.98466.3410.2011.6027013.0071.480.98770.5711.6013.003311

16、5.0077.730.99076.9813.0015.0031217.0085.530.99284.8815.0017.0025319.5095.730.99495.1817.0019.50243粉质粘土19.5013.5026820.0097.080.99596.5519.5020.0036522.00101.660.995101.2020.0022.0043024.00106.030.996105.6322.0024.0045225.40109.470.997109.1024.0025.40403卵石25.405.904242&00119.770.997119.4325.402&a

17、mp;00252残积砂质粘性土28.002.6025229.00122.580.997122.2628.0029.00354全风化花岗岩29.001.0035431.90130.380.998130.1029.0031.90370强风化花岗岩131.902.9037033.00133.190.998132.9231.9033.0039035.00137.880.998137.6333.0035.0042537.00142.250.998142.0235.0037.0045640.00147.870.999147.6737.0040.0053142.00151.610.999151.4240.0

18、042.0053344.00155.360.999155.1842.0044.00532强风化花岗岩244.0012.1048247.00160.670.999160.5144.0047.00563强风化花岗岩347.003.00563测点原始数据斜距 校正 系数经斜距 校正后 走时t段波速ji土（岩）层波速人“测点 深度走时几自至波速土（岩）层名称底度 层深层.厚波速mmskmsmmm/smmm/s2.0015.910.85713.640.002.001473.3025.590.94024.052.003.30125杂填土3.303.301374.6034.960.96833.833.304

19、.60133粉质粘土4.60l301336.5055.250.98354.334.606.5093淤泥6.501.9093&0061.490.98960.816.508.0023210.006&990.9936&50&0010.0026012.0075.540.99575.1710.0012.0030014.2081.790.99681.5012.0014.20347粉质粘土14.207.7028317.0087.400.99887.1814.2017.0049320.0094.270.99894.1017.0020.0043422.0099.270.99999

20、.1220.0022.0039824.00104.260.999104.1322.0024.00399卵石24.009.8043326.20113.630.999113.5124.0026.20235残积砂质粘性土26.202.2023528.0012l120.999121.0126.202&0024031.00131.110.999131.012&0031.0030()33.90140.480.999140.3931.0033.90309全风化花岗岩33.907.7028635.60144.850.999144.7733.9035.60389强风化花岗岩135.601.703

21、8938.00150.491.000150.4235.6038.0042540.00155.171.000155.1038.0040.0042742.00159.861.000159.7940.0042.0042645.00165.791.000165.7342.0045.0050548.00171.701.000171.6545.0048.0050750.00175.471.000175.424&0050.0053051.50178.281.000178.2350.0051.50533强风化花岗岩251.5015.9047554.00182.331.000182.2851.5054.

22、00617强风化花岗岩354.002.50617zk310钻孔剪切波速测试成果表h（尸（）.00 l= 1.20zk359钻孔剪切波速测试成果表ho=ooo l= 2.20测点原始数据一距正数-斜校系经斜距 校正后 走时t段波速vsi土（岩）层波速vsm测点 深度走时血自至波速土 （岩）层名称层底 深度层厚波速mmskmsmmm/smmm/s1.2016.220.4797.770.001.20155余填i-.®1.201.201553.0022.780.80618.371.203.001705.0031.830.9152933.005.001866.0036.830.93934.58

23、5.006.001848.0044.010.96442.436.008.0025510.0050.880.97749.698.0010.0027612.5060.240.98559.3310.0012.50259粉质粘土12.5011.3021914.1067.110.98866.3112.5014.10229中粗砂14.101.6022917.0073.980.99273.3714.1017.0041120.0080.220.99479.7417.0020.0047123.0088.340.99587.9420.0023.0036625.9094.580.99694.2423.0025.90

24、460卵石25.9011.8042228.10101.140.997100.8325.9028.10334全风化花岗岩2&102.2033429.30104.260.997103.972&1029.30383强风化花岗岩29.301.2038332.00110.760.998110.5029.3032.0041335.00117.630.998117.4032.0035.0043538.00124.190.998123.9835.0038.0045640.00128.560.998128.3738.0040.0045642.00132.300.999132.1240.0042.

25、0053344.50136.670.999136.5042.0044.50570强风化花岗岩244.5015.2046747.00141.000.999140.8544.5047.0057650.00145.680.999145.5447.0050.00639强风化花岗岩350.005.50609测点原始数据一距正数-斜校系经斜距 校正后 走时t段波速vsi土（岩）层波速测点 深度走时几自至波速土 （岩）层名称层底 深度层厚波速mmskmsmmm/smmm/s2.5018.720.87316.330.002.50153杂填土2.502.501535.4039.640.96838.372.505

26、.40132粉质粘土5.402.901327.0057.120.98156.015.407.00919.9083.660.99082.847.009.90108淤泥9.904.5010112.0090.530.99389.929.9012.00296粉质粘土12.002.1029614.109&200.99597.7212.0014.1026916.10105.380.996104.9814.1016.10275屮粗砂16.104.102721&00109.750.997109.4216.101&0042820.00114.430.998114.151&0020

27、.0042322.00118.800.998118.5620.0022.0045424.50124.420.998124.2222.0024.50442卵石24.50&4043726.50131.810.999131.6324.5026.50270残积砂质粘性土26.502.0027029.40140.970.999140.8126.5029.40316全风化花岗岩29.402.9031631.20145.550.999145.4029.4031.20392强风化花岗岩|31.201.8039233.0()149.920.999149.7931.2033.0041135.00154.6

28、00.999154.4833.0035.0042637.00158.660.99915&5535.0037.0049139.40163.340.999163.2437.0039.4051242.00168.340.999168.2539.4042.0051944.50173.021.000172.9342.0044.50533强风化花岗岩244.5013.3048347.00177.391.000177.3144.5047.00571强风化花岗岩347.002.50571测点原始数据一距正数-斜校系经斜距 校正后 走时t段波速vsi土（岩）层波速vsm测点 深度走时血自至波速土 （岩）

29、层名称层底 深度层厚波速mmskmsmmm/smmm/s2.3020.280.78815.970.002.30144余填i-.®2.302.301444.202&710.91926.392.304.20182粉质粘土4.201.901826.0044.950.95843.054.206.00108淤泥&904.701098.9070.860.98069.456.00&9011011.3082.720.98881.69&9011.30196小粗砂14.305.4020114.3097.080.99296.3211.3014.3020516.10102.7

30、00.994102.0614.3016.10313粉质粘土16.101.8031316.80104.890.994104.2916.1016.80314中粗砂16.800.703141&00107.070.995106.5416.8018.00534卵石23.306.5040320.00112.060.996111.611&0020.0039422.00117.370.997116.9820.0022.0037223.30120.800.997120.4422.0023.3037625.80130.480.998130.1623.3025.80257残积砂质粘性土25.802.

31、5025728.00137.350.998137.0725.802&00319全风化花岗岩29.603.8()32229.60142.210.998141.952&0029.6032832.20149.390.998149.1629.6032.20361强风化花岗岩132.202.6036135.00156.840.999156.6332.2035.00375强风化花岗岩239.006.8041937.00161.840.999161.6535.0037.0039939.00165.580.999165.4037.0039.0053339.50166.210.999166.04

32、39.0039.50789中风化花岗岩孤石39.500.5078942.00170.580.999170.4239.5042.00570强风化花岗岩345.005.5()56745.00175.880.999175.7442.0045.00564zk380钻孔剪切波速测试成果表 ho=o.oo l= 1.40zk408钻孔剪切波速测试成果表ho=ooo l= 1.80ck14钻孔剪切波速测试成果表 ho=o.oo l= 1.40附录b：单孔波速测试一一时距图深度波速图测点原始数据一距正数-斜校系经斜距 校正后 走时t段波速vsi土（岩）层波速测点 深度走时几自至波速土 （岩）层名称层底 深度层厚波速mmskmsmmm/smmm/s1.5014.250.73110.420.001.50144杂填土1.501.501443.3024.750.92122.781.503.30146粉质粘土3.301.801464.8035.750.96034.323.304.80130淤泥4.801.501307.0043.500.98142.664.807.00264粉质粘土9.704.902679.7053.250.99052.707.009.7026912.0062.000.99361.589.7012.00259屮粗砂14.905.2027414.9072.000.99671.6