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The National Academies

NCHRP 20-07/Task 301 [Completed]

Measuring Cement Particle Size and Surface Area by Laser Diffraction
[ NCHRP 20-07 (Research for AASHTO Standing Committee on Highways) ]

  Project Data
Funds: $95,000
Research Agency: AASHTO Material Reference Laboratory
Principal Investigator: Haleh Azari
Effective Date: 10/7/2010
Completion Date: 12/31/2012
Comments: The project final report is available as NCHRP Research Results Digest 382.

The objectives of this research were to (1) evaluate the practicality and effectiveness of the laser diffraction method to measure the particle size distribution and total surface area of cement powder compared to current methods in use by the state DOTs and (2) prepare a test method to measure particle size distribution and total surface area of cement powder by laser diffraction in AASHTO standard format.

The final report for Project 20-07/Task 301 is available as NCHRP Research Results Digest 382, Measuring Cement Particle Size and Surface Area by Laser Diffraction.

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