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

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 …

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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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)

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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)

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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, ….

  17. 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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