Polymer-Impregnated Concrete: Laboratory Studies

by Einar Dahl-Jorgensen, Research Asst.; Fritz Engrg. Lab., Lehigh Univ., Bethlehem, Pa.,
John W. Vanderhoff, Prof., Chmn., and Assoc. Dir.; Center for Surface and Coatings Research, Lehigh Univ., Bethlehem, Pa.,
Yu-Nan Liu, Research Asst.; Dept. of Chemical Engrg., Lehigh Univ., Bethlehem, Pa.,
John A. Manson, Prof., Chmn., and Dir.; Polymer Lab., Materials Research Center, Lehigh Univ., Bethlehem, Pa.,
Wai F. Chen, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Lehigh Univ., Bethlehem, Pa.,

Serial Information: Transportation Engineering Journal of ASCE, 1975, Vol. 101, Issue 1, Pg. 29-45

Document Type: Journal Paper


It was shown that: (1) stress-strain behavior could be varied over a wide range, from ductile to brittle, by using combinations of a plasticizing or crosslinking comonomer with methyl methacrylate, or both; (2) the presence of a realistic level of salt (up to 1%) in concrete has little effect on polymer loading and mechanical properties, but requires more rigorous drying; (3) while high temperatures (750°F) accelerate drying but decrease strength, subsequent polymer impregnation essentially yields a PIC with properties similar to a conventionally dried material; and (4) salt penetration (short-time, static) in mortars is reduced an order of magnitude by polymer impregnation, regardless of whether the polymer is glassy or rubbery. Thus, a strong PIC can be prepared under a variety of drying and salt contamination conditions and the mechanical behavior of PIC can be tailored to various specifications.

Subject Headings: Laboratory tests | Salts | Polymer | Concrete | Plasticity | Strength of materials | Stress strain relations | Ductility

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