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水泥基材料的XRD表征
X-ray Characterization of
Cement-based Materials:
Previous Applications New Opportunities
Kimberly Kurtis
School of Civil Engineering
Georgia Institute of Technology
Atlanta, Georgia
Collaborators:
CXRO at ALS: G. Denbeaux, A. Lucero
UC Berkeley: P.J.M. Monteiro
Georgia Tech: A.P. Wilkinson, A.C. Jupe, N.N. Naik
APS: P. Lee
NIST: P. Stutzman
IBNAM at Northwestern Univ.: S.R. Stock
August 31, 2004
1
Lake Geneva, WI
What are cement-based materials?
Any material that uses a mineral cement as a binder
Classes of mineral cement: portland (calcium silicate-based) and calcium
aluminate, some dental and bone cements
Cement paste = +
Mortar = + +
Concrete = + + +
2
Why research cement-based materials?
Concrete is the most widely used building material, with more
than 12 billion tons of placed annually.
Annual Regional Cement Consumption, million tons
1994 2000 2005
Europe* 313 393 432
Asia 680 853 1000
Middle East 65 79 82
Africa 63 71 77
North America 90 92 92
SouthCentral America 92 118 142
Misc. 7 9 10
Total 1310 1625 1835
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