Fig. 1. Aggregate mixing facility
Fig. 2. Method of aggregate mixing
Fig. 3. Grain size distribution ratio of fine aggregate
Fig. 4. Grain size distribution ratio of coarse aggregate
Fig. 5. Difference in unit volume weight of the mortar
Fig. 6. Difference in coarse aggregate volume
Fig. 7. Compressive strength of initial discharge
Fig. 8. Compressive strength of final discharge
Table 1. Plan of experiment
Table 2. Properties of cement
Table 3. Physical properties of aggregate
Table 4. Properties of plasticizer
Table 5. Mixing proportion
Table 6. Result of fresh concrete
Table 7. Result of compressive strength
References
- Kim, J.H. (2011). An experimental study on the concrete performance improvement using pre-mixer, Korea Concrete Institute, 287-288 [in Korean].
- Lee, S.H., Shim, J.W. (2010). Enactment Provision of Recycled Aggregate Concrete, Journal of the Korea concrete Institute, 22(1), 33-35 [in Korean].
- Seo, C.H., Kim, B.Y. (2005). An experimental study on the durability of recycled aggregate concrete, Journal of the Korea concrete Institute, 17(3), 385-392 [in Korean]. https://doi.org/10.4334/JKCI.2005.17.3.385
- Yang, I.H., Jeong, J.Y. (2016). Effect of recycled coarse aggregate on compressive strength and mechanical properties of concrete, Journal of the Korea concrete Institute, 28(1), 105-113 [in Korean]. https://doi.org/10.4334/JKCI.2016.28.1.105