Advanced SearchSearch Tips
Performance Evaluation of Carbon-Reducing Soil Pavement using Inorganic Binder
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
Performance Evaluation of Carbon-Reducing Soil Pavement using Inorganic Binder
Yoo, Ji Hyeung; Kawk, Gi Bong; Kim, Dae Sung;
  PDF(new window)
PURPOSES : This study intends to develop an inorganic soil pavement material using industrial by-products and to evaluate its applicability as a road pavement material. METHODS : In this study, a compressive strength experiment was conducted based on the NaOH solution molarity and water glass content to understand the strength properties of the soil pavement material according to the mixing ratio of alkali activator. In addition, the strength characteristic of the inorganic soil pavement material was analyzed based on the binder content. The performance of the soil pavement was evaluated by conducing an accelerated pavement test and a falling weight deflectometer (FWD) test. RESULTS : As a result of the soil pavement material test based on the mixture ratio of alkali activator, it was identified that the activator that mixed a 10 M NaOH solution to water glass in a 5:5 ratio is appropriate. As a result of the inorganic soil pavement materials test based on the binder content, the strength development increased sharply when the amount of added binder was over 300 kg; this level of binder content satisfied 28 days of 18 MPa of compression strength, which is the standard for existing soil pavement design. According to the measured results of the FWD test, the dynamic k-value did not show a significant difference before or after the accelerated pavement testing. Furthermore, the effective modulus decreased by approximately 50%, compared with the initial effective modulus for pedestrian pavement. CONCLUSIONS : Based on these results, inorganic soil pavement can be applied by changing the mixture proportions according to the use of the pavement, and can be utilized as road pavement from light load roads to access roads.
inorganic binder;soil pavement;accelerated pavement testing;performance;carbon-reduction;
 Cited by
AASHTO, 1998. AASHTO Guide for Design of Pavement Structures. American Association of State Highway and Transportation Officials, Washington DC, USA.

Chun, B. S., Jang, C. H., Do, J. N., Kook, K. G., 2008. Environmentally friendly soil pavement materials using weathered soil and inorganic binder, Korean Geo-Environmental Conference 2008, Seoul, Korea, 219-225.

Kim, D. S., Yoo, J. H., Kawk, G. B., 2014. Compressive strength of inorganic wet mixing soil pavement material for carbon reduction, Page 831-832 in Proc. of 40th Conference of Korean Society of Civil Engineers, Daegu, Korea.

Kim, D. S., Yoo, J. H., Lee, S. W., Kawk, G. B., 2014. Strength properties of inorganic soil pavement material according to the alkali activator content, Page 117 in Proc. of 16th Conference of Korean Society of Road Engineers, Seoul, Korea.

Kim, Y. R., Kim, W. J., 2011. Eco-friendly concrete carbon emission reduction, Journal of the Computational Structural Engineering Institute of Korea, 24(1), 8-13.

Ministry of Land, Infrastructure and Transport, Korea Agency for Infrastructure Technology Advancement, 2015. [2-2] Development of carbon reduction soil pavement technology in development carbon neutral road technologies, Final report.

Ministry of Land, Transport and Maritime Affair, 2010. Bicycle facilities installation and management guideline.

United Nations Environment Programme Korea committee, 2002. Kyoto protocol, UNEP press, 12-18.