5、所以在開始合作的時候,要敢于提要求,不要怕做不成這單生意,過度放低底線失去原則,最后結果是人財兩失!我們敬重珍惜每一位及時結賬的客戶,即使量不大,對質量要求高,但能及時結賬就是最大的信譽和財富!信譽,是一個人,一個公司,發展來源!
改性聚丙烯纖維混凝土技術性能
測試項目
單位
基準砼
纖維網砼
備 注
拌合物容重
㎏/m3
2375
2375
試驗按GBJ81-85規范進行
干砼吸水率
%
2.2
1.8
立方體
抗壓強度
MPa
7d
30.7
30.1
28d
44.6
43.9
軸心抗壓強度
MPa
28d
30.9
29.8
劈 裂
抗拉強度
MPa
7d
0.99
1.04
28d
2.47
2.61
抗折強度
MPa
5.17
0.28%
5.61
0.9%
5.93
抗沖擊強度
Kj/㎡
4.98
0.28%
8.52
0.9%
9.96
靜力抗壓
彈性模量
MPa×104
3.49
3.35
抗滲性
cm
滲透高度
13.8
10.6
按GBJ82-85規范進行
標 號
S14
S14
干 縮
×10-4
28d
3.12
2.92
60d
5.02
4.17
抗裂性
×10-6
205
0.28%
271
按GBJ81-85規范進行
0.9%
384
抗凍性D50
%
強度損失率
8.5
0
按GBJ82-85規范進行—慢凍法
重量損失率
0.33
0
單項評定
合格
合格
說明:試驗用原材料:金貓牌525普硅水泥,中砂模數2.6,石子5~30mm連續級配。水灰比0.46,砂率40%,摻0.4%AT緩凝高效減水劑,減水率14%,坍落度12cm,聚丙烯纖維摻量分別為0.28%,0.9%。+12. Abdul-Harmid, J. et al, Use of polypropylene fibers to enhance deterioration resistance of concrete surface skin subjected to cyclic wet/dry sea water exposure, in ACI Material Journal, Jul/Aug 1990, pp363-370
13. Balaguru, P., Fiber-reinforced rapid-setting concrete, in Concrete International, February 1992, pp64-67
14. Biddle, D.T., Fiber reinforcement in residential concrete, in Concrete International, February 1991, pp46-47
15. El Debs, M.K., and Naaman, A.E., Bending behavior of martar reinforced with steel meshes and polymeric fibers, in Cement & Concrete Composites, 17 (1995), pp327-338
16. Gopalaratnam, V.S. et al, Fracture toughness of fiber reinforced concrete, in ACI Material Journal, Jul/Aug 1991, pp339-353
17. Grybowski, M. and Shah, S.P., Shrinkage cracking of fiber reinforced concrete, in ACI Material Journal, Mar/Apr 1990, pp138-148
18. Hannant, D., Fibers in industrial ground-floor slabs, in Concrete, Jan/Feb 1994, pp16-19
19. Harding, M.A., Mixing, placing and finishing fiber-reinforced concrete, in Concrete Construction, July 1996, pp537-540
20. Haynes, J., Polypropylene synthetic fibers in concrete floors, in Concrete, Sept/Oct 1994, pp51
21. Keith, C. Better concrete with polypropylene fibres, in Concrete, Sept/Oct 1994, pp52-53
22. Lanning, A., Synthetic fibers, in Concrete Construction, July 1992, pp525-530
23. McWhannell, G., et al, Floor and flaws——some views on fibers in slabs, in Concrete, May/Jun 1994, pp32-34
24. Mashima, D.J. et al, Tensile properties of polypropylene reinforced cement with different fiber orientation, in ACI Material Journal, Mar/Apr 1990, pp172- 178
25. Morgan, D.R. et al, Evaluation of polypropylene fiber reinforced high-volume fly ash shotcrete, in ACI Material Journal, Mar/Apr 1992, pp169-177
26. Pardon, I. and Zollo, R.F., Effect of synthetic fibers on volume stability and cracking of portland cement concrete and mortar, in ACI Material Journal, Jul/Aug 1990, pp327-332
27. Soroushian, P. et al, Mechanical properties of concrete materials reinforced with polypropylene or polypropylene fibers, in ACI Material Journal, Nov/Dec 1992, pp535-540
28. Zollo, R.F. and Hays, C.D., Fibers vs. WWF as non-structural slab reinforcement, in Concrete International, November 1991, pp50-55
29. Better concrete with Fibermesh polypropylene fibres, in Concrete, June 1997, pp28-29
30. Substitute for steel, in New Civil Engineer, November 1989, pp30-31 歡迎光臨【雙橋螺旋形聚乙烯醇纖維價格】{集團有限公司}-雙橋.歡迎您!劃線的價格可能是商品的銷售指導價或該商品的曾經展示過的銷售價等,并非原價,(實際價格請致電咨詢)僅供參考。