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Development of Bottom ash Block for control Surface Temeperature of Pavement and Non-point Source Pollution

Published online by Cambridge University Press:  31 January 2011

Jong-Bin Park ,
Sangho Lee ,
Ree-Ho Kim  and
Hee-Bum Pyun
Jong-Bin Park
Affiliation:
bbin63@kict.re.kr, Korea Institute of Construction Technology, Construction Environment Research Division, Goyang, Korea, Republic of
Sangho Lee
Affiliation:
s-lee@kict.re.kr, Korea Institute of Construction Technology, Construction Environment Research Division, Goyang, Korea, Republic of
Ree-Ho Kim
Affiliation:
rhkim@kict.re.kr, Korea Institute of Construction Technology, Construction Environment Research Division, Goyang, Korea, Republic of
Hee-Bum Pyun
Affiliation:
guess8793@kict.re.kr, Korea Institute of Construction Technology, Construction Environment Research Division, Goyang, Korea, Republic of
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Abstract

Permeable pavement systems to alleviate urban heat island phenomena are suitable for a variety of residential, commercial and industrial applications, yet are confined to light duty and infrequent usage. And Most of study for the permeable pavement is limited to asphalt pavement. Also, immense quantities of coal combustion by-products are produced every year, but only a small fraction of them are currently utilized, particularly bottom ash which is used in this study. In this study, we aimed at the development of new permeable and water absorbing pavement blocks. Optimum conditions for compressive strength and water absorption, volume of water retention and porosity characteristics were investigated for production of the pavement blocks from bottom ash. In addition, removal efficiencies of pollutants in road runoff by the pavement blocks were compared under various conditions. Experimental results showed that the compressive strengths and water absorption after 7 and 28days for blocks were 12˜15MPa and 18%, respectively. Also, turbidity and heavy metals in rainwater were successfully removed. So, further study on the durability test such as the effect of surface fouling by dust is possibly needed prior to use the new bricks as construction materials.

Keywords

coalenvironmentally protectivewaste management
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1170: Symposium R – Materials for Renewable Energy at the Society and Technology Nexus , 2009 , 1170-R05-26
Copyright
Copyright © Materials Research Society 2009

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