型号 model

项目 item

FDN

净浆流动度 net starch fluidity ( ㎜ )

≥ 260

氯离子含量 content of c l — (%)

＜ 0.3

PH 值 PH value

7 ～ 9

表面张力 surface tension(N/m)

(7 1 ± 1) × 10 -3

固体含量 solids content(%)

≥ 93

硫酸钠含量 Na 2 SO 4 content(%)

＜ 5

产品名称

Name of the product

检验项目

Checking items

掺量

implantation volume

规格型号

Specifications and types

依据标准

Basis standard

混凝土减水剂

Concrete water-reducing agent

混凝土性能

concrete properties

C × 0.7%

FDN

GB807 6 — 97

试验结果汇总 test results collection

　　　　　　　型号及产地 model and origin

检验项目 checking items

基准

Basic standard

FDN

Test number

用水量 ( ㎏ /m 3 ) 减水率 (%) 坍落度 ( ㎝ )

Water consumption water-reducing rate caving limit

190 0 7.0

151 21 7.5

沁水率 (%) 及泌水率比

Bleeding rate and bleeding rate ratio

5.1 100

0 0

凝结时间及凝结时间差 (min)

Setting time and setting time correction

初凝

first condensation

6:16

6:59 +0:43

终凝

final condensation

8:26

9:26 +1:00

抗压强度 (MPa) 及抗压强度比 (%)

Compression strength and compression strength ratio

1d

7.6 100

16.0 211

3d

17.0 100

31.9 188

7d

24.4 100

38.6 158

28d

32.8 100

49.5 151

钢筋锈蚀 reinforcing steel rustiness

对钢筋均无锈蚀 No rustiness for reinforcing steel

检验结论

Checking conclusion

经检验各项性能均达到高效减水剂一等品标准

All the properties water-reducing agent reached the first-class standard of high-efficiecy water-reducing agent