Modification of Portland cement mortars with cactus gum

Authors: 
Juan-Bosco Hernandez-Zaragoza, Carlos-Eduardo Caballero-Badillo, Arnulfo Rosas-Juarez, Teresa López-Lara, Jaime Hinojosa-Torres and Victor-Manuel Castaño

Portland cement-based mortars, of the standard type used for modern constructions, were modified by adding lyophilized cactus gum, extracted from an indigenous Mexican cactus. The results show an increase in compressive strength as high as 65 % with respect to standard mortars

[1] J. H. Forkner, U S Patent 4 042 720 (1977)
[2] F. R. Kunkel, U S Patent 5 000 857 (1991)
[3] A Rosas-Juarez, M.Sc. Thesis (Chemistry), Universidad Autуnoma de Puebla, Mйxico (1998)
[4] S. Chandra, L. Eklund, and R.R. Villarreal, “Use of Cactus in Mortars and Concrete”, Cement and Concrete Res., 28,1 (1998).
[5] C.E. Caballero-Badillo, Ph.D. Thesis (Materials Science), Universidad Autуnoma de Morelos, Mйxico (1998).
[6] D. Casas-Orjuela and P. Garcia-Arenas Pedro, “Concreto ligero de cemento portland y cascarilla de arroz”, IMCIC, Mexico City (1972)
[7] E.J. Hyland, Aditivos para concretos, comitй ACI 212, Instituto Mexicano del cemento y el concreto, Mexico City (1983)
[8] D. Granados-Sбnchez and A.D. Castaсeda-Pйrez Ana Dunнa, “El nopal”, Trillas, Mйxico City (1996)
[9] F. Orus-Asso, “Materiales de Construcciуn”., Dossat, Mexico City (1965)
[10] P. W. Atkins, “Fisicoquнmica”, Addison Wesley, Wilmington (1991).
[11] S. Chandra and Y. Ohama, “Historical background of the use of natural polymers. Polymers in Concrete”, Ch. 1, CRC Press, Boca Raton (1994)
[12] A.M. Saad “Tratado de Construcciуn”, CECSA, Mexico City (1984)
[13] T.F. Cooke, J. Amer. Ceram. Soc. 74, 28 (1991)
[14] J.B. Hernбndez-Zaragoza Juan Bosco,  Ph.D. Thesis (Engineering), Universidad Autуnoma de Querйtaro, Mexico (2001)
[15] E. Alonso, L. Martнnez, W. Martнnez and V.M. Castaсo, Adv. comp. Lett. (in press, 2002)