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Çѱ¹Á¶°æÇÐȸ / v.34, no.4, 2006³â, pp.96-104
Åõ¼ö¼º Àܵðºí·Ï Æ÷Àå ÇϺΠÅä¾çÀÇ ¹°¸®¼º
( Physical Properties of Soils under the Grass Block Porous Pavements )
ÇѽÂÈ£;±è¿øÅÂ;°­ÁøÇü; (ÁÖ)ÇѼ³±×¸° ºÎ¼³ Á¶°æ»ýŵðÀÚÀÎ ¿¬±¸¼Ò;(ÁÖ)ÇѼ³±×¸° ºÎ¼³ Á¶°æ»ýŵðÀÚÀÎ ¿¬±¸¼Ò;(ÁÖ)ÇѼ³±×¸° ºÎ¼³ Á¶°æ»ýŵðÀÚÀÎ ¿¬±¸¼Ò;
 
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Impervious pavement is primary contributor to the malfunctioning of the urban water circulation system. The aim of this research is to provide basic information and data for new pavement materials and paving technology which could enhance the urban water circulation system. For the study purposes, physical properties of soils sampled from 16 stations were analyzed. The sampling spots were paved with grass block porous pavement material. The findings from the analysis are as follows. The hardness of soils under the pavement was $17{sim}22mm$ for thoroughfare and $6{sim}32mm$ for parking areas. The bulk density was $1.42{sim}1.81g/cm^{3}$ for thoroughfare and $1.38{sim}1.75g/cm^{3}$ for parking area. The solid phase ration was $46.9{sim}62.5m^{3}/m^{3}$ for thoroughfare and $45.6{sim}61.3m^{3}/m^{3}$ for parking area. The porosity was $37.5{sim}53.1m^{3}/m^{3}$ for thoroughfare and $38.7{sim}54.4m^{3}/m^{3}$ for parking area. The saturated hydraulic conductivity was $8{sim}164mm/hr$ for thoroughfare and $14{sim}201mm/hr$ for parking area. The saturated hydraulic conductivity of the H sample area (the area was completed three months ago) and that of the other area were compared. There was up to 80% decreases of the saturated hydraulic conductivity within one year after the completion of pavement. After the first year, decrease in the saturated hydraulic conductivity was modest. Also there are changes in both surface and under soil physical properties of the grass block porous pavement depending on compaction. The extent of change depends on the degree of compaction. All these factors are combined to influence the permeability of the soil under the pavements. The results of this suggest that it is required to develop a new pavement technology which ensures both the durability and porosity of the pavement to improve the water circulation system by applying Ecological Area Rate.
 
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Soil Texture;Soil Hardness;Bulk Density;Soil Three Phase Distribution;Saturated Hydraulic Conductivity;
 
Çѱ¹Á¶°æÇÐȸÁö / v.34, no.4, 2006³â, pp.96-104
Çѱ¹Á¶°æÇÐȸ
ISSN : 1225-1755
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200604623619119)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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