商開表面層報告

1、長永路改造工程項目罩面層瀝青混合料長沙交通學院公路工程試驗檢測中心二零零一年八月二十四日一、設計說明：(1)試件的理論最大相對密度rt100Pbt-PiP2PnPbyyyy12nb式中：Pb油石比，；rb瀝青的相對密度，g/cm3；rirn礦料對水白相對密度，g/cm3；一般采用粗細集料的毛體積密度(rb)與表觀密度(ra)的平均值及礦粉的表觀密度。PiPn各種礦料占礦料總質量的百分率，%;(2)礦料全體的相對密度rm_100m-PiB.Pn12n礦料間隙率(VMA)(%)VMA=11父100N100(%)1(100+甘7：式中：rsp試件密度，g/cm3；一般采用試件的毛體積密度。(4)試件

2、的空隙率Va(%)rspVa=1rt瀝青體積率Vb(%)Vb=VMA-Va(6)瀝青飽和度VFA(%)VFAVbVMA、原材料試驗1、瀝青1）興能AH-70表2-1興能AH-70技術指標試驗結果試驗項目檢測結果規(guī)范要求針入度(25C,100g,5s)(0.1mm)69.86080延度(15C,5cm/min)(cm)>200>100軟化點（環(huán)與球法）（C）47.94454含蠟量（蒸儲法）（）1.82<3密度(15C)(g/cm3)1.036實測RTFOT(163C,75min)質量損失（%）0.2<0.8針入度比（%）60.6>55延度(25C)(cm)96>

3、;502）SK改性瀝青表2-2SK改性瀝青技術指標試驗結果試驗項目檢測結果規(guī)范要求I-CI-D25c針入度(0.1mm)62.1>60>405c延度(cm)34.3>30>20軟化點（環(huán)與球法）（C）79>55>6025c彈性恢復（%）86>65>70針入度指數(shù)PI0.26>-0.2>0.2離析軟化點差（C）2.0<2.5RTFOT(163C,75min)質量變化（%）0.031<1.0針入度比（%）77.7>60>65延度(5C)(cm)18.6>20>152、玄武巖（產地：南京句容）1）力學指標

4、及粘附性表2-3玄武巖力學指標及粘附性試驗結果試驗項目壓碎值（%）磨光值（BPN）磨耗值（%）粘附性試驗結果12.34821.35級規(guī)范要求<28>42<30>4級2）物理指標表2-4原材料密度試驗結果（南京句容玄武巖）材料名稱表觀密度（g/cm3）毛體積密度（g/cm3）計算密度（g/cm3）1#碎石2.8822.8382.8602#碎石2.8852.8302.8583#碎石2.8702.7462.805后屑2.8442.844礦粉2.5712.5713）篩分結果表2-5南京句容玄武巖篩分結果篩孔1613.29.54.752.361.180.60.30.150.075

5、1#子10067.513.802#子10010099.41.403#子1001001001002.50.80石屑10010010010074.450.629.318.512.77.1礦粉10010010010010010010010099.194.83、石灰?guī)r（產地：瀏陽孔溪洞）1）力學指標及粘附性表2-6石灰?guī)r力學指標及粘附性試驗結果試驗項目壓碎值（%）磨耗值（%）粘附性試驗結果23.821.54級規(guī)范要求<28<30方4級42）物理指標表2-7原材料密度試驗結果（九溪洞石灰?guī)r）材料名稱表觀密度（g/cm3）毛體積密度（g/cm3）計算密度（g/cm3）1#碎石2.7182.67

6、72.6972#碎石2.7262.6702.6983#碎石2.7572.6782.717后屑2.7282.728礦粉2.5712.5713）篩分結果表2-8九溪洞石灰?guī)r篩分結果篩孔31.526.5191613.29.54.752.361.180.60.30.150.0751#子10083.18.30.802#子10010078.441.911.02.103#子10010010010099.280.88.41.91.10后屑10010010010010010093.158.237.320.412.58.24.3礦粉10010010010010010010010010010010099.194.8

7、三、瀝青混合料組成試驗1、AC-10L調平層采用瀝青為興能AH-70,粗、細集料為瀏陽孔溪洞石灰?guī)r，礦粉為石灰石礦粉。表3-1AC-10L材料組成及配比（石灰?guī)r）材料1#碎石2#碎石3#碎石石屑礦粉配比（）003462.53.5計算用密度（g/cm3）2.6972.6982.7172.7282.571注：計算用密度，對于粗、細集料用表觀密度（視密度）與毛體積密度的平均值；對于礦粉采用表觀密度。表3-2AC-10L馬歇爾試驗結果（興能AH-70）試件編號穩(wěn)定度（KN）流值（0.1mm）4.0-47.08D=6.89Cv=11.6%21.1L=22.6Cv=6.0%57.5823.766.0123

8、.04.5-47.36D=8.49Cv=12.8%32.3L=29.2Cv=14.7%58.5931.069.5324.35.0-47.67D=7.57Cv=1.3%28.6L=26.8Cv=6.7%57.4825.067.5726.85.5-48.29D=7.54Cv=8.8%24.5L=26.8Cv=14.1%57.2731.266.9724.86.0-46.74D=7.42Cv=16.5%25.4L=32.4Cv=19.4%58.8337.666.6934.2表3-3AC-10L馬歇爾試件體積指標測試與計算表體積指標瀝青用量（）/油石比4.04.55.05.56.0礦料全體的相對密度rm

9、2.7232.7232.7232.7232.723試件的理論最大相對密度rt2.5632.5452.5272.5092.491試件的毛體積密度rsp,g/cm32.3202.3502.4002.4152.409礦料間隙率（VMA）（%）18.117.416.115.916.5試件的空隙率Va（%）9.57.75.03.73.3瀝青體積率Vb（%）8.69.711.112.213.2瀝青飽和度VFA（%）47.555.768.976.780.0注：試件的理論最大相對密度采用真空法實測。表3-4AC-10L調平層材料馬歇爾試驗結果匯總表(興能AH-70)材料類型(%)試件密度(g/cm3)試件空隙

10、率(%)瀝青飽和度(%)穩(wěn)定度(kN)流值(0.1mm)AC-10L4.02.3209.547.56.8922.64.52.3507.755.78.4929.25.02.4005.068.97.5726.85.52.4013.776.77.5426.86.02.4093.3807.4232.4技術要求356575>7.52040注：瀝青用量為油石比。最佳油石比OAC=5.4%,毛體積密度p=2.412g/cm32、AC-20L調平層采用瀝青為興能AH-70,粗、細集料為瀏陽孔溪洞石灰?guī)r，礦粉為石灰石礦粉。表3-5AC-20L材料組成及配比(石灰?guī)r)材料1#碎石2#碎石3#碎石石屑礦粉配比

11、()03126.5393.5計算用密度(g/cm3)2.6972.6982.7172.7282.571注：計算用密度，對于粗、細集料用表觀密度(視密度)與毛體積密度的平均值；對于礦粉采用表觀密度。表3-6AC-20L蠟封法測定瀝青混合料試件密度(興能AH-70)試件編號空中質量(g)蠟封空中質量(g)蠟封水中質量(g)毛體積相對密度(g/cm3)備注3.5-11191.91212.8696.82.42221192.11207.9696.12.41531192.91211.1698.42.425P=2.421Cv=0.21%4.0-11198.51215.1703.12.43121190.812

12、07.6700.22.43931198.81214.3706.92.448P=2.439Cv=0.35%4.5-11201.61216.9707.42.44221201.91216.7706.72.43831203.51219.3709.22.446P=2.442Cv=0.16%5.0-11204.91219.4712.72.45821208.91224.8713.12.45031213.11225.7719.82.468P=2.459Cv=0.37%5.5-11209.31223.8713.82.45121212.31225.4717.42.45931217.61229.6722.42.46

13、7P=2.459Cv=0.33%表3-7AC-20L馬歇爾試驗結果(興能AH-70)試件編號穩(wěn)定度(KN)流值(0.1mm)3.5-410.11D=10.02Cv=2.2%20.0L=26.6Cv=22.0%510.1731.169.7728.74.0-48.19D=8.62Cv=10.2%24.4L=24.1Cv=1.8%58.0423.669.6424.34.5-47.59D=8.02Cv=14.3%25.5L=29.8Cv=13.8%57.1633.769.3230.35.0-47.99D=7.98Cv=3.6%36.9L=36.2Cv=9.0%57.6939.168.2632.75.5

14、-48.21D=8.44Cv=7.6%36.9L=37.4Cv=12.2%59.1642.267.9433.1表3-8AC-20L馬歇爾試件體積指標測試與計算表(調平層采用興能70翎5青)體積指標瀝青用量()/油石比3.54.04.55.05.5礦料全體的相對密度rm2.7312.7312.7312.7312.731試件的理論最大相對密度rt2.5882.5682.5512.5332.516試件的毛體積密度rsp,g/cm32.4212.4392.4422.4592.459礦料間隙率(VMA)(%)14.314.114.414.314.7試件的空隙率Va(%)6.85.14.33.12.3瀝青

15、體積率Vb(%)7.79.010.111.212.4瀝青飽和度VFA(%)53.863.870.178.384.4注：試件的理論最大相對密度采用真空法實測。表3-9AC-20L調平層材料馬歇爾試驗結果匯總表(興能AH-70)材料類型(%)試件密度(g/cm3)試件空隙率(%)瀝青飽和度(%)穩(wěn)定度(kN)流值(0.1mm)AC-20L3.52.4216.553.89.8526.64.02.4395.163.88.6224.14.52.4424.370.18.0229.85.02.4593.078.37.9832.95.52.4592.384.48.4437.4技術要求356575>7.5

16、2040注：瀝青用量為油石比。最佳油石比OAC=4.5%,毛體積密度p=2.442g/cm33、AC-20L下面層采用瀝青為SK改性瀝青，粗、細集料瀏陽孔溪洞石灰?guī)r，礦粉為石灰石礦粉表3-10AC-20L材料組成及配比(石灰?guī)r)材料1#碎石2#碎石3#碎石石屑礦粉配比()03126.5393.5計算用密度(g/cm3)2.6972.6982.7172.7282.571注：計算用密度，對于粗、細集料用表觀密度(視密度)與毛體積密度的平均值；對于礦粉采用表觀密度。表3-11AC-20L蠟封法測定瀝青混合料試件密度(SK改性瀝青)試件編號空中質量(g)蠟封空中質量(g)蠟封水中質量(g)毛體積相對密

17、度(g/cm3)備注4.0-11199.41217.9696.22.39621201.21219.5694.92.38531199.51217.4698.62.407P=2.396Cv=0.46%4.5-1210.31225.7709.12.42621203.21219.1702.62.41631202.11219.6700.32.408P=2.417Cv=0.37%5.0-11208.41225.2704.22.43221208.31223.0712.22.44631209.81228.4698.22.460P=2.446Cv=0.57%5.5-11214.21230.1707.62.459

18、21212.11226.1717.52.46131213.71228.4717.42.456P=2.459Cv=0.10%10表12AC-20L馬歇爾試驗結果（SK改性瀝青）試件編號穩(wěn)定度（KN）流值（0.1mm）4.0-47.79D=9.31Cv=14.3%21.1L=24.5Cv=15.6%510.323.769.8328.64.5-49.3D=8.42Cv=9.8%34.1L=27.8Cv=20.7%57.6522.868.3226.65.0-48.52D=8.40Cv=6.1%31.2L=24.6Cv=25.4%57.8418.868.8523.75.5-48.8D=8.25Cv=6.

19、9%28.0L=27.1Cv=2.9%57.6726.568.2726.8表3-13AC-20L馬歇爾試件體積指標測試與計算表（SK改性瀝青）體積指標瀝青用量（）/油石比4.04.55.05.5礦料全體的相對密度rm2.7312.7312.7312.731試件的理論最大相對密度rt2.5632.5452.5262.509試件的毛體積密度rsp,g/cm32.3962.4172.4462.459礦料間隙率（VMA）（%）15.615.314.314.7試件的空隙率Va（%）6.55.03.22.0瀝青體積率Vb（%）9.110.311.112.7瀝青飽和度VFA（%）58.367.377.686

20、.4注：試件的理論最大相對密度采用真空法實測。11表3-14AC-20L材料馬歇爾試驗結果匯總表（SK改性瀝青）材料類型(%)試件密度（g/cm3）試件空隙率（%）瀝青飽和度（%）穩(wěn)定度（kN）流值(0.1mm)AC-20L4.02.3966.558.39.3124.54.52.4175.067.38.4227.85.02.4463.277.68.4024.65.52.4592.086.48.2527.1技術要求356575>7.52040注：瀝青用量為油石比。最佳油石比OAC=4.8%,毛體積密度p=2.434g/cm3表3-15AC-20L下面層材料車轍試驗結果試件編號試件高度（cm

21、）試驗溫度（C）輪壓（MP）動穩(wěn)定度（次/mm）16.0600.7291926.0600.7354036.0600.7313646.0600.73452數(shù)據(jù)處理DS=3262Cv=8.8%規(guī)范要求>8004、AK-13A表面層采用瀝青為SK改性瀝青，粗、細集料為南京句容玄武巖，礦粉為石灰石礦粉表3-16AK-13A材料組成及配比（玄武巖）材料1#碎石2#碎石3#碎石石屑礦粉配比（）2832.50363.5計算用密度（g/cm）2.8602.8582.8052.8442.571注：計算用密度，對于粗、細集料用表觀密度（視密度）與毛體積密度的平均值；對于礦粉采用表觀密度。12表3-17AK-

22、13A蠟封法測定瀝青混合料試件密度試件編號空中質量(g)蠟封空中質量(g)蠟封水中質量(g)毛體積相對密度(g/cm3)備注4.0-11189.01215.9698.22.44221195.91222.5706.62.46331190.31216.1699.22.442P=2.449Cv=0.50%4.5-11200.41223.0710.12.46421197.21222.3708.92.47031200.21221.3712.42.476P=2.470Cv=0.24%5.0-11206.61225.1718.92.48821202.21220.0716.62.48931208.01227.4718.72.483P=2.487Cv=0.13%5.5-11212.11229.2723.32.49221216.51237.1718.42.45731209.61229.5717.72.473P=2.492Cv=0.71%6.0