Shrinkage-reducing admixtures

These admixtures are based on the 2.2-dimethyl-propane-1.3-diol (neo-pentyl glycol) of the formula (CH3)2C(CH20H)2, or similar chemical compounds. They are added in amount about 4 kg/m of concrete. 

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Keywords Shrinkage reducing admixtures, chemical shrinkage, cement pastes, compressive strength. 

N.S. Berke, M.P. Dallaire, M.C. Hicks, and A. Kerkar New developments in Shrinkage-Reducing Admixtures. In CANMET/ACI Fifth International Conference on Superplasticizers and Other Chemical Admixtures in Concrete, Rome, Italy, (1997), p. 971-978. 

S. P. Shah, M.E. Karaguler and M. Sarigaphuti Effects of Shrinkage-Reducing Admixtures on Restrained Shrinkage Cracking of Concrete. ACI Materials Journal, No.89-M33, May-June, (1992), p. 289-295. 

K.J. Folliard and N.S. Berke Properties Of High-Performance Concrete Containing Shrinkage-Reducing Admixture. Cement and Concrete Research, 27(9), (1997), p. 1357-1364. 

A.B. Ribeiro, A. Carrajola, and A. Gonsalves Behavior of mortars with different dosages of shrinkage reducing admixtures. In V.M. Malhotra (ed.), CANMET/ACI Eight International Conference on Superplasticizers and Other Chemical Admixtures in Concrete, Sorrento, ITALY, October (2006), ACI SP-239, p 77-92. 

F. Rajabipoura, G. Santb, and J. Weiss Interactions between shrinkage reducing admixtures (SPA) and cement paste s pore solution. Cement and Concrete Research, 38(5), (2008), p. 606-615... 

It is well known that shrinkage of concrete may be reduced with the employment of shrinkage reducing admixtures (SRA). Passuello et al. (2009)... 

Passuello, A., Moriconi, G., Shah, S.P., 2009. Cracking behavior of concrete with shrinkage reducing admixtures and PVA fibres. Cement Concrete Composites, 31(10), pp. 699-704. 

Collepardi, M., Borsoi, A., Collepardi, S., Olagot, J. J. O., Troli, R. (2005) Effects of shrinkage reducing admixture in shrinkage compensating concrete under non-wet curing conditions, Cement and Concrete Composites, 27 704—8. 

Rongbing, B., Jian, S. (2005) Synthesis and evaluation of shrinkage-reducing admixture for cementitious materials, Cement and Concrete Research, 35 445-8. 

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