VIET NAM NATIONAL EXISTING STANDARDS FOR PORTLAND CEMENT Seminar on Standards on Cement ACCSQ - Malaysia, July 2010 ….. - PowerPoint PPT Presentation

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VIET NAM NATIONAL EXISTING STANDARDS FOR PORTLAND CEMENT Seminar on Standards on Cement ACCSQ - Malaysia, July 2010 …. Tran Quang Hao Department of Science Technology and Environment Ministry of Construction - Viet Nam. I. Standards on specifications (10):.

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VIET NAM NATIONAL EXISTING STANDARDS FOR PORTLAND CEMENT Seminar on Standards on Cement ACCSQ - Malaysia, July 2010…..

Tran Quang Hao

Department of Science Technology and Environment

Ministry of Construction - Viet Nam


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I. Standards on specifications (10):

  • TCVN 2682 : 2009 Portland cement

  • TCVN 6260 : 2010 Portland blended cements

  • TCVN 4033:1995 Portland pozzolan cement

  • TCVN 4316-86 Portland blast furnace slag cement

  • TCVN 6067:2005 Sulfate resisting portland cement

  • TCVN 5691:2000 White portland cement

  • TCVN 7711:2007 Sulfate resistance blended portland cement

  • TCVN 7712:2007 Low heat blended portland cement

  • TCVN 6069:2007 Low heat portland cement

  • TCVN 7024:2002 Trade portland cement clinker


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II. Standards on testing methods (30)

  • TCVN 141 : 1986 Cement – Chemical analysis

  • TCVN 141 : 1998 Cement – Chemical analysis

  • TCVN 141 : 2008 Cement – Chemical analysis

  • TCVN 2682 : 1995 Portland cement – Technical requirements

  • 5. TCVN 3735 : 1982 Puzzoland additives

  • 6. TCVN 4029 : 1985 Cement  General requirement for physical test methods

  • 7. TCVN 4030 - 85 Cement  Test method for determination of fineness

  • 8. TCVN 4030 : 2003 Cement  Test method for determination of fineness

  • 9. TCVN 4031 : 1985 Cements - Test methods. Determination of plasticizer, setting time and soundness

  • 10. TCVN 4032 : 1985 Cement  Test methods. Determination of strength


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II. Standards on testing methods (cont.)

11. TCVN 4315 : 2007 Blast furnace slag for producing cement

12. TCVN 4316 : 2007 Portland blast furnace slag cement

13. TCVN 4787-89 Cement  Sampling

14. TCVN 4787 : 2001 (EN 196-7 : 1989) Cement  Sampling

15. TCVN 4851 : 1989 (ISO 3696 : 1987) Water used for test – technical requirement and test method

16. TCVN 5438 : 2004 Cement – Terms and definitions

17. TCVN 5439 : 2004 Cement – Classifications

18. TCVN 6016 : 1995 (ISO 679 : 1989) Cement - Test methods - Determination of strength

19. TCVN 6017 : 1995 (ISO 9597 : 1989) Cements - Test methods. Determination of setting time and soundness

20. TCVN 6068 : 2004 Sulfate resisting portland cement  Method of test for potential expansion of mortars exposed to sulfate

21. TCVN 6070 : 2005 Portland cement - Determination of heat of hydration


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II. Standards on testing methods (cont.)

22. TCVN 6227 : 1996 ISO Sand used for determination of strength of cement

23. TCVN 6260 : 1997 Portland blended cements. Technical requirements

24. TCVN 6260 : 2009 Portland blended cements. Technical requirements

25. TCVN 6820 : 2001 Barium contained portland cement - Chemical analysis

26. TCVN 6882 : 2001 Mineral additive for cement

27. TCVN 7572-14 : 2006 Aggregate for concrete and mortar -Test methods – Part 14: Determination for ability of alkali- silica reaction

28. TCVN 7711 : 2007 Sulfate resistance blended portland cement

29. TCVN 7713 : 2007 Cement - Determination of length change of hydraulic cement mortars exposed to a sulfate solution

30. TCXD 168 : 1989 Gypsum for producing cement (testing methods)


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III. HARMONIZATION FOR PORTLAND CEMENT – VIETNAM (some main properties)

1./ TCVN 2682 : 2009 Portland cement

Level: PC30, PC40, PC50

Compressive strength (3 days  45 min; 28 days  8 h)

Setting time (initial; final)

Fineness (remain above of seive 0.09 mm; special surface –Blaine)

Stability of volume, Le Chatelier method

Content of sulfur oxide (SO3), %, maximum: 3.5

Content of magnesium oxide (MgO), %, maximum: 5.0

Loss onignition (MKN), %, maximum: 3.0

Insoluble residue (CKT), %, maximum: 1.5

Content of calculated sodium oxide (Na2Oq®), %,maximum (%Na2Oq® = %Na2O + 0,658 %K2O): 0.6


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III. HARMONIZATION… (cont.)

2./ TCVN 6260 : 2009 Portland blended cements

Level: PCB30, PCB40, PCB50

Compressive strength (3 days  45 min, 28 days  8 h)

Setting time (initial, final)

Fineness (Remain above seive of 0.09 mm; Surface area- Blaine)

Stability of volume, Le Chatelier method, mm, maximum:10

Content of sulfur oxide (SO3), %, maximum: 3.5

Autoclave expansion, %, maximum: 0.8


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III. HARMONIZATION… (cont.)

3./ TCVN 4033:1995 Portland pozzolan cement

Level: PCPuz 20, PCPuz30, PCPuz40

Compressive strength (7 days, 28 days)

Fineness (remain above seive of 0.08 mm; Surface area Blaine)

Setting time (initial, final)

Stability of volume, Le Chatelier, mm, maximum: 10

Content of sulfur oxide (SO3), %, maximum: 3.0

Loss of on ignition (MKN), %, maximum: 7.0


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III. HARMONIZATION… (cont.)

4./ TCVN 4316-86 Portland blast furnace slag cement

Level: Group I: PCBBFS 30, PCBBFS 40,PCBBFS 50

Group II: PCBBFS 30,PCBBFS 40, PCBBFS 50

Compressive strength (3 days, 28 days)

Fineness (Surface area, Blaine)

Setting time (initial, final)

Stability of volume, Le Chatelier, mm, max. : 10.0

Content of magnesium oxide (MgO), %, maximum: 6.0

Content of Sulfur oxide (SO3), %, maximum: 3.5

Loss of on ignition (MKN), %, maximum: 3.0


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III. HARMONIZATION… (cont.)

5./ TCVN 6067:2004 Sulfate resisting portland cement

Level: PCSR30, PCSR40, PCSR50

Loss of on ignition (MKN), %, maximum: 3

Content: - MgO, %, maximum: 5 ; - SO3, %, maximum: 2.5

- C3A, %, maximum: 3.5 ; - (C4AF + 2C3A), %, maximum: 25

- calculated sodium oxide (Na2Oq®), %, maximum: 0.6

Insoluble residue (CKT), %, maximum: 1

Content of Barium oxide (BaO), %: 1,5  2,5

Compressive strength (3 days, 28 days)

Setting time (initial,final)

Fineness (remain above seive of 0.08 mm, Surface area – Blaine)

Stability of volume, Le Chatelier, maximum:10

Sulfate expansion at 14 age, %, maximum: 0.04)


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III. HARMONIZATION… (cont.)

6./ TCVN 5691:2000 White portland cement

Level: PCW 30, PCW 40, PCW 50

Compressive strength (3 days  45 min, 28 days  8 min)

Whiteness (style Special, style I, style II)

Setting time (initial, final)

Fineness (remain above seive of 0.08 mm, Surface area-Blaine)

Stability of volume, Le Chatelier, mm, maximum: 10

Content of sulfur oxide (SO3), %, maximum: 3.5


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III. HARMONIZATION… (cont.)

7./ TCVN 7711 : 2007 Sulfate resistance blended portland cement

Level: (Middle: PCBMSR30, PCBMSR40, PCBMSR50

High: PCBHSR30, PCBHSR40, PCBHSR50)

Compressive strength (7 days; 28 days)

Setting time (initial, final)

Fineness (remain above seive of 0.09 mm, Surface area-Blaine)

Sulfate resistance, length change of hydraulic cement mortars exposed to a sulfate solution at ages of 6 months, 12 months)

Length change of hydraulic cement mortars exposed to a water at 14 ages, %, maximum: 0.02

Autoclave expension, maximum: 0.8


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III. HARMONIZATION… (cont.)

8./ TCVN 7712:2007 Low heat blended portland cement

Level: Middle: PCBMH30, PCBMH40

Low: PCBLH30, PCBLH40

Heat of hydration, kJ/kg (cal/g) (7 days, 28 days):

Compressive strength (7 days, 28 days)

Fineness (remain above seive of 0.09 mm, Surface area-Blaine)

Setting time (initial, final)

Autoclave expension, maximum: 0.8


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III. HARMONIZATION… (cont.)

9./ TCVN 6069:2007 Low heat portland cement

Level: middle: PCMH30, PCMH40; low: PCLH30, PCLH40

Loss of on ignition (MKN), %, maximum: 2.5

Content of magnesium oxide (mgO), %, maximum: 5

Content of sulfur oxide (SO3), %, maximum: 2.3

Insoluble residue (CKT), %, maximum: 1.5

Content of minerals: C3S, C3A, C3S+C3A

Heat of hydration (kJ/kg (cal/g), 7 days, 8 days)

Conpressive strength (7 days, 28 days)

Fineness (remain above seive of 0.09 mm, Surface area- Blaine)

Setting time (initial, final)

Stability of volume, Le Chatelier, mm, maximum: 10


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III. HARMONIZATION… (cont.)

10./ TCVN 7024:2002 Trade portland cement clinker

Level: CPC30, CPC40, CPC50, CPC60

Strength activity index, N/mm2 (MPa), minimum:

(- 3 days  45 min: 16, 21, 25, 30); (- 28 days  8 h: 30, 40, 50, 60)

Coefficien of grinding, minimum: 1.23

Fineness: (1 mm, < 25 mm, > 5 mm)

Content:

- CaO, %: from 58 to 67; - SiO2, %: from 18 to 26

- Al2O3, %: from 3 to 8 ; - Fe2O3, %: from 2 to 5; - MgO, %, max.: 5

- free calcium oxide (CaOtd), %, maximum: 1.5

- Content of sodium after accounting (Na2Oq®), %, max. 1.0; 0.6

- Insoluble residue (CKT), %, maximum: 0.75

Loss of on ignition (MKN), %, maximum: 1.0

Moisture, %, max.: 1.0


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IV. Technical requirement for import

1. Trade portland cement clinker :

Circular No 01/2010/TT-BXD, January 08, 2010 of Minister of Construction

Be tested their qualities during importing in order to meet

the demands of their Viet Nam National Standard:

TCVN 7024:2002 Trade portland cement clinker

2. Cements (cement products):

According to list of Goods subject to State Quality Inspection by

Decision No 50/2006/QD-TTg, March 7, 2006 of Prime Ministry

Be tested their qualities during importing in order to meet

the demands of their Viet Nam National Standards:

TCVN 2682 : 2009, TCVN 6260 : 2009, ….


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V. conclusion

1. Viet Nam National Standards on Cements (existing) include:

- 10 for Specifications;

- 30 for Test methods.

2. More details of 10 TCVN Specifications (main properties) have been sent to Secretariat.

3. Circular No 01/2010/TT-BXD and Decision No 50/2006/QD-TTg are needs to inspect the quality of cement and cement clinker during importing in order to meet the demands of customers.

4. And

Thanks for your attention!


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