本標準的主要技術內容是：1.總則；2.術語和符號；3.基本規(guī)定；4.坍落度試驗及坍落度經時損失試驗；5.擴展度試驗及擴展度經時損失試驗；6.維勃稠度試驗；7.倒置明坍落度筒排空試驗；8.間隙通過性試驗；9.漏斗試驗；10.擴展時間試驗；11.凝結時間試驗；12.泌水試驗；13.壓力泌水試驗；14.表現(xiàn)密度試驗；15.含氣量試驗；16.均勻性試驗；17.抗離析性能試驗；18.溫度試驗；19.絕熱溫升試驗。

GBT50080-2016······1

1 總則······12

2 術語和符號······13

2.1 術語······13

2.2 符號······14

3 基本規(guī)定······16

3.1 一般規(guī)定······16

3.2 取樣與試樣的制備······16

4 坍落度試驗及明落度經時損失試驗······18

4.1 坍落度試驗······18

4.2 坍落度經時損失試驗······19

5 擴展度試驗及擴展度經時損失試驗······20

5.1 擴展度試驗······20

5.2 擴展度經時損失試驗······21

6 維勃稠度試驗······22

7 倒置坍落度筒排空試驗······24

8 間隙通過性試驗······26

9 漏斗試驗······28

10 擴展時間試驗······30

11 凝結時間試驗······32

12 泌水試驗······35

13 壓力泌水試驗······38

14 表觀密度試驗······40

15 含氣量試驗······42

16 均勻性試驗······46

16.1 砂漿密度法······46

16.2 混凝土稠度法······48

17 抗離析性能試驗······50

18 溫度試驗······52

19 絕熱溫升試驗······54

附錄A 增實因數(shù)法······56

本標準用詞說明······60

引用標準名錄······61

附: 條文說明······62

1 總則······66

2 術語和符號······67

2.1 術語······67

3 基本規(guī)定······68

3.1 一般規(guī)定······68

3.2 取樣與試樣的制備······68

4 坍落度試驗及明落度經時損失試驗······70

4.1 坍落度試驗······70

4.2 坍落度經時損失試驗······73

5 擴展度試驗及擴展度經時損失試驗······75

5.1 擴展度試驗······75

5.2 擴展度經時損失試驗······78

6 維勃稠度試驗······79

7 倒置坍落度筒排空試驗······80

8 間隙通過性試驗······81

9 漏斗試驗······82

10 擴展時間試驗······83

11 凝結時間試驗······84

12 泌水試驗······86

13 壓力泌水試驗······87

14 表現(xiàn)密度試驗······90

15 含氣量試驗······91

16 均勻性試驗······93

16.1 砂漿密度法······93

16.2 混凝土稠度法······94

17 抗離析性能試驗······95

18 溫度試驗······97

19 絕熱溫升試驗······98