Changes in Length and Volume of Cementitious Grouts


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Title: Changes in Length and Volume of Cementitious Grouts

Author(s): Della M. Roy, M. Perez, B.E. Scheetz, and P.H. Licastro

Publication: Special Publication

Volume: 83


Appears on pages(s): 43-60

Keywords: expansion; shrinkage; bleeding (concrete); drying shrinkage; ettringite; fly ash; grout; hydration; plasticizers; pressure; volume change; water-cement ratio; water reducing agents

Date: 10/1/1984

Changes in length and volume of cementitious grouts for use in nuclear waste isolation have been investigated, and com-pared with the behavior of other mixtures, neat cement pastes, fly-ash containing mixtures, and mixtures with high-range water reducers (‘superplasticizers’). Expansive and non-expansive for-mulations are compared with respect to their changes in length and volume, both at atmospheric pressure and elevated curing condi-t ions, including those simulating placement under pressures of up to 1600 psi hydrostatic.