News & Events
News & Events
- NCB IC Event: Innovate Youth: Building Tomorrow's Entrepreneurs.
- PG Diploma Admission 2024-25 - Written Test & Interview Reg.-Round II
- List of selected candidates for admission to One Year Post Graduate Diploma in Cement Technology at NCB Ballabgarh for Session 2024-25
Consultancy services for getting NABL Accreditation as per ISO/IEC 17025:2017
Notice on Public Grievance
NCB – CCE EVENTS / Forthcoming Training Programmes
Ongoing Proficiency Testing Schemes
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Last date for Submission of Technical Papers in 18th NCB International Conference & Exhibition extended to 31st August 2024
Last date for applying for National Awards in Indian Cement Industry 2022-24 is extended to 31st August 2024
Post Graduate Diploma in Cement Technology 2024-25 (Date Extended upto 15 July 2024)
NCB requires Lab Analysts, Junior Assistants, Senior Assistant and Designer on Direct Recruitment Basis
New Facilities added in Calibration Services
18th NCB International Conference - Call for Papers
Corrigendum - Compassionate Appointment in NCB for Group “C” & “D
Compassionate Appointment in NCB for Group “C” & “D
18th NCB International Conference, 27-29 Nov 2024 (Bulletin 1)
NCCBM to host 17th International Congress on Chemistry of Cement (ICCC) in 2027 in New Delhi
Durability Tests of Concrete
Sl. No. | Name of Test/Service | Standard Procedure |
1.0 | Chloride Ingress (Critical for Coastal Areas) is Studied Through | |
1.1 | Rapid Chloride Penetration Tests (RCPT) | ASTM C1202 |
1.2 | Non- steady state chloride Migration Test | NT build 492 |
1.3 | Chloride Diffusion Test | ISO 1920 Part 11 |
1.4 | Bulk conductivity | ASTM C1760 |
1.5 | Electrical resistivity of concrete (by four point Wenner probe method) | – |
2.0 | Deterioration of Concrete Due to Carbonation Attack (Critical in Most of the Non-Coastal Areas Exposed to Normal Weathering) is Studied Through | |
2.1 | Accelerated Carbonation Test | ISO 1920 Part 12 |
3.0 | Sulphate Attack is Studied By | |
3.1 | Sulphate Immersion Test on Mortar Bar | ASTM C 1012 |
3.2 | Mass LossTest | – |
4.0 | Alkali Silica Attack on Concrete is Studied By
|
|
4.1 | Accelerated Mortar Bar Test | ASTM C 1260 |
4.2 | Short Term and Long Term Mortar Bar | IS 2386 –part 7 |
4.3 | Concrete Prism Bar Test | ASTM C 1293 |
5.0 | Corrosion Effect on Rebar Embedded Concrete is Studied Through | |
5.1 | Accelerated corrosion test | ASTM G1, ASTM G109, Florida test method (FM 5.522) |
5.2 | Corrosion rate as per linear polarization technique | – |
6.0 | Additional Test Methods used for Studying Durability of Concrete
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|
6.1 | Water Permeability Test | DIN 1048 Part 5 |
6.2 | Sorptivity Test | ASTM C1585 |
6.3 | Volume of Permeable Voids | ASTM 642 |
6.4 | Air Permeability of Concrete | – |