D-26-2-細(xì)集料篩分試驗(yàn)記錄(水洗法)

細(xì)集料篩分試驗(yàn)記錄（水洗法）,,,,,,,,,,,,,

（試驗(yàn)編號：）,,,,,,,,,,,,,

建設(shè)項(xiàng)目：,,,,,承包單位：,,,,,D-26-2,,,

合同號：,,,,,監(jiān)理單位：,,,,（自/抽）檢：,,,,

樣品名稱,,,,,,施工路段,,,,,,,

工程名稱,,,,,,用途,,,,,,,

烘干試樣質(zhì)量m1(g),,,篩孔直徑(mm),,篩上重量,,分計(jì)篩余百分率,,平均篩余,累計(jì)篩余,通過,,

,,,,,mi(g),,（%）,,百分率（%）,百分率Ai,百分率,,

第1組,,,方孔,,1,2,1,2,,(%),(%),上限,下限

m1=,1000,(g),4.75,,0.0,0.0,0.0,0.0,0.0,0.0,100.0,100,100

第2組,,,2.36,,49.2,33.5,5.6,3.8,4.7,4.7,95.3,100,80

m1=,1000,(g),1.18,,292.6,307.5,33.3,34.9,34.1,38.8,61.2,80,50

水洗后烘干總質(zhì)量m2（g）,,,0.6,,184.5,165.7,21.0,18.8,19.9,58.7,41.3,60,25

第1組,,,0.3,,69.4,92.5,7.9,10.5,9.2,67.9,32.1,45,8

m2=,878.8,(g),0.15,,184.5,172.7,21.0,19.6,20.3,88.2,11.8,25,0

第2組,,,0.075,,98.4,109.3,11.2,12.4,11.8,100.0,0.0,15,0

m2=,881.2,(g),篩底,,121.2,118.8,12.1,11.9,0.0,100.0,0.0,0,0

篩底＝m1-m2,,,,,,,,,,,,,

細(xì)度模數(shù)Mx計(jì)算,,,,,,,,,,,,,

Mx=[（A0.15+A0.3+A0.6+A1.18,,,,,,,,,,,,,

+A2.36）-5A4.75]/100=,,,,,,,,,,,,,

第1組,,第2組,,,平均,,,,,,,,

2.61,,2.56,,,2.58,,,,,,,,

備注：試驗(yàn)規(guī)程T0327-2005,,,,,,,,,,,,,

測定細(xì)集料（天然砂、人工砂、石屑）的顆粒級配及細(xì)度模數(shù),,,,,,,,,,,,,

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砂的分級,,,,,,,,,,,,,

Mx=1.6～2.2為細(xì)砂,,,,,,,,,,,,,

Mx=2.3～3.0為中砂,,,,,,,,,,,,,

Mx=3.1～3.7為粗砂,,,,,,,,,,,,,

對瀝青混合料及基層用細(xì)集料必須用水洗法篩分,,,,,,,,,,,,,

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結(jié)論：,,,,,,,,,,,,,

Mx=,2.583,,,,,,,,,,,,

砂分級：,,,,,,,,,,,,,

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