本規(guī)范共分8章和1個(gè)附錄,主要技術(shù)內(nèi)容包括:總則、術(shù)語和符號、基本規(guī)定、設(shè)計(jì)參數(shù)、材料、配合比設(shè)計(jì)、施工、檢驗(yàn)與驗(yàn)收等。

GB51081-2015······1

1 總則······11

2 術(shù)語和符號······12

2.1 術(shù)語······12

2.2 符號······12

3 基本規(guī)定······14

4 設(shè)計(jì)參數(shù)······15

4.1 強(qiáng)度指標(biāo)······15

4.2 模量指標(biāo)······16

4.3 應(yīng)力-應(yīng)變關(guān)系······17

4.4 熱工指標(biāo)······20

4.5 泊松比······21

5 材料······23

5.1 細(xì)骨料······23

5.2 粗骨料······23

5.4 水······25

5.5 外加劑······25

5.6 摻合料······26

6 配合比設(shè)計(jì)······27

7 施工······29

7.1一般規(guī)定······29

7.2 施工準(zhǔn)備······29

7.3 生產(chǎn)與運(yùn)輸······30

7.4 澆筑······31

7.5 養(yǎng)護(hù)······31

8 檢驗(yàn)與驗(yàn)收······32

8.1 一般規(guī)定······32

8.2 檢驗(yàn)項(xiàng)目和數(shù)量······32

8.3 驗(yàn)收標(biāo)準(zhǔn)······33

附錄A 低溫環(huán)境混凝土檢驗(yàn)方法······35

本規(guī)范用詞說明······42

引用標(biāo)準(zhǔn)名稱······43

附：條文說明······44

1 總 則······48

2 術(shù)語和符號······49

2.1 術(shù)語······49

3 基本規(guī)定······50

4 設(shè)計(jì)參數(shù)······52

4.1 強(qiáng)度指標(biāo)······52

4.2 模量指標(biāo)······53

4.3 應(yīng)力-應(yīng)變關(guān)系······54

4.4 熱工指標(biāo)······56

4.5 泊松比······60

5 材 料······63

5.1 細(xì)骨料······63

5.2 粗骨料······63

5.3 水泥······63

5.5 外加劑······64

6 配合比設(shè)計(jì)······65

7 施 工······66

7.1 一般規(guī)定······66

7.2 施工準(zhǔn)備······66

7.3 生產(chǎn)與運(yùn)輸······67

7.4 澆筑······68

7.5 養(yǎng)護(hù)······69

8 檢驗(yàn)與驗(yàn)收······70

8.1 一般規(guī)定······70

8.2 檢驗(yàn)項(xiàng)目和數(shù)量······70

8.3 驗(yàn)收標(biāo)準(zhǔn)······71

附錄A 低溫環(huán)境混凝土檢驗(yàn)方法······73