1、 地基基礎(chǔ)檢測報告工 程 名 稱： /檢 測 項 目：振沖樁復(fù)合地基靜載荷試驗、動力觸探檢測委 托 單 位： / 檢 測 性 質(zhì)： 委托檢測檢 測 日 期： 靜載荷試驗、動力觸探檢測設(shè) 計 單 位： /監(jiān) 理 單 位： /地 勘 單 位： /施 工 單 位： /- 試 驗： 審 核：簽 發(fā)：目 錄 一、前言4二、檢測規(guī)范、原理4三、工程慨述5四、工程地質(zhì)概況5五、檢測的儀器設(shè)備6六、試驗點位的選取6七、檢測結(jié)果7八、結(jié)論8附圖表靜載荷試驗結(jié)果匯總表及PS曲線圖 動力觸探檢測結(jié)果匯總表及曲線圖 樁位平面布置示意圖聲明： 1、報告無計量認證章、資質(zhì)專用章以及委托檢驗專用章或業(yè)務(wù)專用章無效。 2、復(fù)

2、制報告未經(jīng)重新加蓋計量認證章、資質(zhì)專用章以及委托檢驗專用章或業(yè)務(wù)專用章無效。 3、報告無報告人、審核人、批準(zhǔn)人簽章無效。 4、報告涂改、換頁無效，無騎縫章無效。 5、對送樣委托檢測，檢測報告僅對來樣負責(zé)。 6、對檢測報告若有異議，應(yīng)于收到報告之日起十五日內(nèi)向檢測單位提出。 醫(yī)療中心醫(yī)院建設(shè)工程純地下室靜載荷試驗、動力觸探檢測一、前言 我公司受的委托，于 年 月 日至 日對工程純地下室的振沖碎石樁樁體進行了動力觸探檢測；于 年 月 日至 月 日進行了單樁復(fù)合地基靜載荷試驗。 檢測目的：通過靜載試驗，模擬建筑物地基的實際受荷條件，測定振沖碎石樁復(fù)合地基的承載力特征值和變形參數(shù)。通過動力觸探，對樁體

3、進行評價，判定地基振沖碎石樁樁體的施工質(zhì)量。 現(xiàn)根據(jù)試驗數(shù)據(jù)和資料綜合分析提交試驗報告。二、檢測規(guī)范、原理建筑地基處理技術(shù)規(guī)范（JGJ79-2012）；巖土工程勘察規(guī)范（GB50021-2001 2009版）；四川省建筑地基基礎(chǔ)檢測技術(shù)規(guī)程（DBJ51/T014-2013）。1、靜載荷試驗：采用正方形承壓板，壓板面積為1.14m2，由千斤頂反力加荷，精密百分表測量沉降。根據(jù)沉降計算各測點承載力特征值。試驗加荷共分8級，每級加荷后立即讀記一次沉降量，以后每隔30min觀測一次，每級荷載的維持時間均不得少于1.5小時，穩(wěn)定標(biāo)準(zhǔn)為每小時的沉降量小于0.1mm。2、樁體檢測：采用SH30型鉆機及N12

4、0動探配套設(shè)備，使用超重型動力觸探，依據(jù)N120每10cm貫入的錘擊數(shù)對振沖碎石樁樁體進行評價，判定成樁質(zhì)量，其檢測深度應(yīng)與地基處理的深度相同。三、工程慨述該工程地基基礎(chǔ)由公司設(shè)計。地基采用振沖碎石樁復(fù)合地基，樁徑為900mm，樁距1.15m，排距0.996m，設(shè)計要求加固處理后地基承載力特征值fspk250kPa，壓縮模量Esp15MPa。振沖碎石樁地基施工由公司承擔(dān)。由公司監(jiān)理。四、工程地質(zhì)概況 擬建場地位于 市。本次勘察表明，擬建場地勘探深度范圍內(nèi)的地層主要由第四系人工填土層（Q4ml）雜填土、素填土、第四系全新統(tǒng)（Q4al+pl）沖洪積層粉質(zhì)粘土、粉土、中砂和卵石層組成。地層從上至下描

5、述如下：（1-1）雜填土（Q4ml）：雜色；松散；干燥稍濕；由混凝土塊、磚瓦、卵石等建筑垃圾組成，含少量粘性土。該層場地內(nèi)均有分布，類型為新近堆積填土，層厚0.20m-0.50m左右。（1-2）素填土（Q4ml）：褐灰、褐黃色；稍密；稍濕；以粘土為主，含少量植物根莖。該層場地廣泛分布，堆積年限5年。層厚0.20m-1.40m 。（2-1）粉質(zhì)粘土（Q4al+pl ）: 褐黃色灰黑色,可塑；干強度中等，韌性中等，稍有光澤，無搖震反應(yīng)，含少量鐵錳質(zhì)氧化物。該層場地分布較廣泛，層厚1.60-4.30m。（2-2）粉土（Q4al+pl）：淺黃色褐黃色,松散-稍密,濕。含鐵錳質(zhì)氧化物，夾薄層粉砂，無光澤

6、、干強度較低、韌性低、搖震反應(yīng)中等。該層于場地內(nèi)分布較廣泛，層厚0.30-2.20m。（3）中砂（Q4al+pl）：褐灰色、黃色；濕；結(jié)構(gòu)松散；以長石、石英為主，巖屑次之，云母及黏粒顆粒少量。層厚0.40m-2.10m。（4）卵石（Q4al+pl）：褐黃、黃灰色等，濕-飽和。主要以花崗巖、砂巖及石英巖等組成，中微風(fēng)化，一般粒徑210cm，大者可達20cm以上，隙間充填砂、圓礫及少量粘性土；據(jù)N120動探試驗，卵石層密實度可分為松散、稍密、中密、密實四個亞層。五、檢測的儀器設(shè)備1、千斤頂：150703#、150707#、040219#、040220# 2、0.4級（100MPa）精密壓力表：D1

7、6014215#、D19034915#、F05100114#、F05100014#3、百分表：（050mm），精度： 0.01mm，編號：4040291#、4060372#、4040325#、4040336#、4030417#、4060474#、4060294#、4060636#、4030438#、4060359#、4060291#、3110439#、4030369#、4060660#、4060469#、4040312#4、承壓板：正方形1.14m2 5、鉆機：SH-30型及N120動探配套設(shè)備六、試驗點位的選取本次檢測范圍內(nèi)布置總樁數(shù)約為3100根，振沖碎石樁復(fù)合地基靜載試驗按總樁數(shù)的1%抽

8、取且每個單體工程不少于3點；樁體動探按總樁數(shù)的3%抽取，樁間土動探按總樁數(shù)的2%抽取。本次選點由委托方、設(shè)計方、監(jiān)理方在現(xiàn)場根據(jù)場地的開挖的地質(zhì)情況及建筑的荷載要求共同確定31個靜載試驗點、124個樁體動探點，62個樁間土動探點。選點原則：1、一般情況下在整個施工場地內(nèi)均勻布置試驗點；2、當(dāng)施工場地地質(zhì)條件變化較大時，應(yīng)在較差地段布置試驗點；3、在基礎(chǔ)荷載較大或?qū)ψ冃蚊舾胁课徊贾脵z測點。七、檢測結(jié)果1、通過試驗各靜載點承載力特征值按規(guī)定取s/d=0.01所對應(yīng)的荷載，其值不應(yīng)大于最大加載荷載的一半，則：檢測點檢測結(jié)果統(tǒng)計表 序號點號最大沉降（mm）最大加載量（kPa）壓板面積（m2）（正方形）

9、特征值（kPa）計算壓縮模量（MPa）1395216.13506.41.14253.227.3225019.22506.41.14253.223.0338821.11506.41.14253.220.94387420.67506.41.14253.221.35316414.45506.41.14253.230.56231119.22506.41.14253.223.07325016.30506.41.14253.227.18239715.47506.41.14253.228.5984121.43506.41.14253.220.610115215.36506.41.14253.228.7118

10、6618.48506.41.14253.223.912240521.08506.41.14253.220.913385719.06506.41.14253.223.11440217.36510.21.14255.125.61530118.25510.21.14255.124.416370315.27510.21.14255.129.117313617.96510.21.14255.124.718246017.95510.21.14255.124.819191718.76510.21.14255.123.720192416.84510.21.14255.126.421116017.76510.2

11、1.14255.125.022290421.42510.21.14255.120.72380817.17510.21.14255.125.924241620.18510.21.14255.122.025349121.25510.21.14255.120.926157820.06519.41.14259.722.627285518.08519.41.14259.725.028112717.46519.41.14259.725.929269516.45519.41.14259.727.530152018.50520.71.14260.324.53143414.99520.71.14260.330.

12、3靜載檢測結(jié)果詳見靜載荷試驗結(jié)果匯總表及PS曲線圖2、動力觸探檢測結(jié)果詳見動力觸探檢測結(jié)果匯總表及曲線圖。八、結(jié)論 1、根據(jù)靜載荷試驗結(jié)果，本次所測振沖碎石樁復(fù)合地基承載力特征值為253.2kPa，計算壓縮模量為20MPa，滿足設(shè)計要求。2、根據(jù)超重型動力觸探檢測結(jié)果，本次所測振沖碎石樁樁體為稍密密實狀態(tài)；樁間土為稍密狀態(tài)。3952#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.301.3068.22155.9901801.522.82136.83233.9902701.714.53205.24312.09

13、03601.736.26273.75390.0904501.988.24342.16452.5905402.3710.61396.97514.9906302.6013.21451.78577.3907202.9216.13506.49452.530750-0.3115.82396.910312.030780-0.5815.24273.711155.930810-0.8214.42136.8120180990-1.2113.210250#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.411.4168.2215

14、5.9901801.562.97136.83233.9902701.764.73205.24312.0903601.836.56273.75390.0904502.208.76342.16452.5905402.8411.60396.97514.9906303.4815.08451.78577.3907204.1419.22506.49452.530750-0.2418.98396.910312.030780-0.4218.56273.711155.930810-0.6517.91136.8120180990-1.2716.640388#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）

15、沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.411.4168.22155.9901801.713.12136.83233.9902702.005.12205.24312.0903602.277.39273.75390.0904502.569.95342.16452.5905402.9612.91396.97514.9906303.8416.75451.78577.3907204.3621.11506.49452.530750-0.2520.86396.910312.030780-0.4220.44273.711155.930810-0.6219.82136.8

16、120180990-1.5318.2903874#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.451.4568.22155.9901801.803.25136.83233.9902702.025.27205.24312.0903602.167.43273.75390.0904502.429.85342.16452.5905403.0112.86396.97514.9906303.7916.65451.78577.3907204.0220.67506.49452.530750-0.3020.37396.91

17、0312.030780-0.5119.86273.711155.930810-0.8419.02136.8120180990-1.5817.4403164#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.351.3568.22155.9901801.432.78136.83233.9902701.604.38205.24312.0903601.666.04273.75390.0904501.897.93342.16452.5905401.929.85396.97514.9906302.1011.95451.7

18、8577.3907202.5014.45506.49452.530750-0.3314.12396.910312.030780-0.6413.48273.711155.930810-0.8212.66136.8120180990-1.2711.3902311#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.271.2768.22155.9901801.522.79136.83233.9902701.804.59205.24312.0903601.976.56273.75390.0904502.408.9634

19、2.16452.5905402.7711.73396.97514.9906303.4215.15451.78577.3907204.0719.22506.49452.530750-0.3118.91396.910312.030780-0.5618.35273.711155.930810-0.8017.55136.8120180990-1.5815.9703250#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.481.4868.22155.9901801.673.15136.83233.9902701.824

20、.97205.24312.0903601.906.87273.75390.0904502.088.95342.16452.5905402.3111.26396.97514.9906302.3813.64451.78577.3907202.6616.30506.49452.530750-0.1616.14396.910312.030780-0.3715.77273.711155.930810-0.6315.14136.8120180990-1.2213.9202397#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.8909

21、01.301.3068.22155.9901801.582.88136.83233.9902701.684.56205.24312.0903601.846.40273.75390.0904501.938.33342.16452.5905402.1510.48396.97514.9906302.4212.90451.78577.3907202.5715.47506.49452.530750-0.1515.32396.910312.030780-0.3514.97273.711155.930810-0.5214.45136.8120180990-1.3213.130841#點靜載試驗點結(jié)果匯總表序

22、號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.591.5968.22155.9901801.773.36136.83233.9902701.965.32205.24312.0903602.317.63273.75390.0904502.7110.34342.16452.5905403.4113.75396.97514.9906303.6117.36451.78577.3907204.0721.43506.49452.530750-0.2721.16396.910312.030780-0.6420.52273.711155.9308

23、10-1.1619.36136.8120180990-2.1117.2501152#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.311.3168.22155.9901801.462.77136.83233.9902701.614.38205.24312.0903601.786.16273.75390.0904502.058.21342.16452.5905402.1110.32396.97514.9906302.4012.72451.78577.3907202.6415.36506.49452.53075

24、0-0.2215.14396.910312.030780-0.4114.73273.711155.930810-0.6114.12136.8120180990-1.4612.660866#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.511.5168.22155.9901801.723.23136.83233.9902702.145.37205.24312.0903602.107.47273.75390.0904502.419.88342.16452.5905402.6312.51396.97514.990

25、6303.0515.56451.78577.3907202.9218.48506.49452.530750-0.2818.20396.910312.030780-0.5217.68273.711155.930810-0.7216.96136.8120180990-1.4415.5202405#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.491.4968.22155.9901801.823.31136.83233.9902702.025.33205.24312.0903602.357.68273.75390

26、.0904502.7010.38342.16452.5905403.0413.42396.97514.9906303.5817.00451.78577.3907204.0821.08506.49452.530750-0.2620.82396.910312.030780-0.4320.39273.711155.930810-0.8419.55136.8120180990-1.7017.8503857#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計177.890901.511.5168.22155.9901801.853.36136

27、.83233.9902701.865.22205.24312.0903602.277.49273.75390.0904502.459.94342.16452.5905402.6312.57396.97514.9906303.2215.79451.78577.3907203.2719.06506.49452.530750-0.2618.80396.910312.030780-0.4418.36273.711155.930810-0.9017.46136.8120180990-1.4016.060402#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級

28、累 計本 級累 計173.290901.371.3764.22150.2901801.612.98131.83227.2902701.744.72199.34304.3903601.976.69266.95381.3904502.319.00334.56458.3905402.6311.63402.07520.0906302.7114.34456.18581.6907203.0217.36510.29458.330750-0.2517.11402.010304.330780-0.4116.70266.911150.230810-0.7815.92131.8120180990-1.5114.41

29、0301#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.571.5764.22150.2901801.593.16131.83227.2902701.845.00199.34304.3903602.037.03266.95381.3904502.119.14334.56458.3905402.6611.80402.07520.0906303.0114.81456.18581.6907203.4418.25510.29458.330750-0.3017.95402.010304.330780-0.5217.4

30、3266.911150.230810-0.7516.68131.8120180990-1.6615.0203703#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.271.2764.22150.2901801.622.89131.83227.2902701.604.49199.34304.3903601.836.32266.95381.3904501.998.31334.56458.3905402.1610.47402.07520.0906302.2612.73456.18581.6907202.5415.2

31、7510.29458.330750-0.2415.03402.010304.330780-0.5114.52266.911150.230810-0.9813.54131.8120180990-2.4111.1303136#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.411.4164.22150.2901801.683.09131.83227.2902701.814.90199.34304.3903601.976.87266.95381.3904502.509.37334.56458.3905402.361

32、1.73402.07520.0906302.8214.55456.18581.6907203.4117.96510.29458.330750-0.3317.63402.010304.330780-0.6117.02266.911150.230810-0.7216.30131.8120180990-1.9914.3102460#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.361.3664.22150.2901801.572.93131.83227.2902701.854.78199.34304.390360

33、1.936.71266.95381.3904502.349.05334.56458.3905402.6111.66402.07520.0906302.9014.56456.18581.6907203.3917.95510.29458.330750-0.3217.63402.010304.330780-0.4817.15266.911150.230810-0.8216.33131.8120180990-1.5214.8101917#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.471.4764.22150.2

34、901801.693.16131.83227.2902701.915.07199.34304.3903602.127.19266.95381.3904502.379.56334.56458.3905402.5412.10402.07520.0906303.1215.22456.18581.6907203.5418.76510.29458.330750-0.3418.42402.010304.330780-0.6317.79266.911150.230810-0.8516.94131.8120180990-1.5715.3701924#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉

35、降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.441.4464.22150.2901801.302.74131.83227.2902701.714.45199.34304.3903601.936.38266.95381.3904502.068.44334.56458.3905402.2310.67402.07520.0906302.5713.24456.18581.6907203.6016.84510.29458.330750-0.2016.64402.010304.330780-0.4316.21266.911150.230810-0.7215.49131.812

36、0180990-1.5713.9201160#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.491.4964.22150.2901801.643.13131.83227.2902701.784.91199.34304.3903601.976.88266.95381.3904502.259.13334.56458.3905402.4011.53402.07520.0906302.7014.23456.18581.6907203.5317.76510.29458.330750-0.2217.54402.0103

37、04.330780-0.3917.15266.911150.230810-0.7416.41131.8120180990-1.6114.8002904#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.461.4664.22150.2901801.733.19131.83227.2902702.145.33199.34304.3903602.287.61266.95381.3904502.7010.31334.56458.3905402.9913.30402.07520.0906303.8217.12456.1

38、8581.6907204.3021.42510.29458.330750-0.2621.16402.010304.330780-0.4420.72266.911150.230810-0.8819.84131.8120180990-1.2618.580808#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.421.4264.22150.2901801.643.06131.83227.2902701.864.92199.34304.3903601.876.79266.95381.3904502.158.94334.56458.3905402.4311.37402.07520.0906302.6614.03456.18581.6907203.1417.17510.29458.330750-0.1717.00402.010304.330780-0.3516.65266.911150.230810-0.6316.02131.8120180990-1.2614.7602416#點靜載試驗點結(jié)果匯總表序號荷 載(kN)歷 時（min）沉 降（mm）)壓強值(kPa)本 級累 計本 級累 計173.290901.601.6064.22150.2901801.793.39131.83227.29