Development of Strength in Cements

Matkovic, B.

i

Development of Strength in Cements

1981-04-01
By Matkovic, B.

File Language:

English

Details

Creators:

Matkovic, B.
Corporate Creators:

Institute Rudjer Boskovic
Contributors:

Scheffey, Charles ; Ormsby, W.C. ; Smith, L.M.
Corporate Contributors:

United States. Department of Transportation. Federal Highway Administration ; Yugoslav Joint Board on Scientific and Technological Cooperation
Subject/TRT Terms:

Cement High Strength Concrete Portland Cement Strength Of Materials
Publication/ Report Number:

FHWA-RD-80-128
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Interim Report
Contracting Officer:

Ormsby, W. C.
Corporate Publisher:

United States. Department of Transportation. Federal Highway Administration
Abstract:

This report is divided into two parts: Portland and Sorel Cements. Portland Cement: The production of doped belite (dicalcium silicate) clinkers can be a prospective way of saving energy in cement production. Barium sulfate (BaSO sub-4), calcium tribasic phosphate (Ca sub-5 (PO sub-4) sub-3 (OH), and vanadium oxide (V sub-2 0 sub-5) stabilize Beta-, alpha' and alpha modifications of belite (C sub-2 S). The aplha' modification shows better strength development than the Beta-C sub-2 S. Strength develops more slowly in Ca sub-5 (PO sub-4) sub-3 OH than in BaSO sub-4, stabilized belites. Also, belite clinkers doped with BaSO sub-4 attain greater strength than belites without BaSO sub-4. Sorel Cement: The reaction products are dependent on the proportion of reactants (MgO, MgC1 sub-2, and H sub-2 O) and on MgO activity. Hardened cements achieve the best strength development and stability when phase 5 (5Mg (OH) sub-2 .MgC1 sub-2 .(H sub-2 O) is the main reaction product. Phosphate addition, especially soluble phosphates, which are more effective, improves the cement's resistance to the effects of water.
Format:

PDF
Funding:

Agreement No. 4 (PL 480)
Collection(s):

Federal Highway Administration
Main Document Checksum:

urn:sha-512:8599e2c86d7ad438daadc9d88a551a3feafa227da08f49a2a01d69bad1572c060cc25243c587faeb1db12ca6ece7639204ec39153a2f1e9907bfc31778875a14
Download URL:

https://rosap.ntl.bts.gov/view/dot/67612/dot_67612_DS1.pdf
File Type:

[PDF - 5.57 MB ]

File Language:

English

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