…Standards 04.02, ASTM International, West Conshohocken (USA), 2014. [7] Thomas, MDA, Fournier, B, Folliard, KJ, Ideker, JH, Shehata, M (2006): Test methods for evaluating preventive measures for controlling expansion due…

…0.05% maximum requirement given for non-reactive reference aggregate in RILEM AAR-0 or 0.10% in CSA A23.2-14A and ASTM C 1293. However, Ideker et al. [17] showed that this control sand…

MANAGING ALKALI-AGGREGATE REACTIVITY: NORTH AMERICAN APPROACH Jason H. Ideker1*, Thano Drimalas2, Benoit Fournier3, Kevin J. Folliard2, Doug Hooton4, Michael D.A. Thomas5 1Oregon State University, Corvallis, Oregon, USA 2 The University…

CAN ACOUSTIC EMISSION BE USED TO DETECT ALKALI SILICA REACTION EARLIER THAN LENGTH CHANGE TESTS? Mohammad Pour-Ghaz1,2, Robert Spragg2, Javier Castro2,3, Jason Weiss21 1North Carolina State University, Raleigh, NC, USA…

ALKALI-SILICA REACTIVITY AND THE ROLE OF ALUMINA Skyler Warner1*, Jason H. Ideker1, Kelsea Schumacher2 1Oregon State University, Corvallis, OR, USA 2Duffield Associates, Inc., Wilmington, DE, USA [email protected] Abstract In this…

…Jason H. Ideker (2006): Interim Recommendations for the Use of Lithium to Mitigate or Prevent Alkali- Silica Reaction (ASR). FHWA Report Number, FHWA-RD-06-073, Federal Highway Administration, McLean. [4] Cooley, L….

CASE STUDIES OF TREATING ASR-AFFECTED STRUCTURES WITH LITHIUM NITRATE Kevin J. Folliard 1*, Michael D.A. Thomas2, Jason H. Ideker1, Bradley East1, and Benoit Fournier3 1The University of Texas at Austin,…

…of concrete aggregates selecting appropriate measures for preventing deleterious expansion in new concrete construction. FHWA-HIF-09-001. [11] Fournier, B, Chevrier, R, Grosbois, M, Lisella, R, Folliard, KJ, Ideker, J, Shehatad, M,…

…aggregates which have CPT38 expansion values above 0.05% (Figure 5). Ideker et al. [17] found that the early expansion rate at 60°C is larger than that at 38°C, but that…

…great potential to analyze the reactivity of aggregates in a fast and reliable way. 9 REFERENCES [1] Thomas, M.; Fournier, B.; Folliard, K.; Ideker, J.; Shehata, M. Test Methods for…