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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.5, 1996³â, pp.89-102
¸ðÇü½ÇÇè¿¡ ÀÇÇÑ Áö¿ÀÅØ½ºÅ¸ÀÏÀÇ ¾Ð·Â¹è¼ö Ư¼º ¿¬±¸
( A Study on the Characteristics of Pressure Drainage for Geotextiles by Laboratory Model Tests )
ÀÌ»óÈ£;±Ç¹«³²; Á¤È¸¿ø, °æºÏ´ëÇб³ ³ó¾÷Åä¸ñ°øÇаú;Á¤È¸¿ø, °æºÏ´ëÇб³ ³ó¾÷Åä¸ñ°øÇаú;
 
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In order to investigate the characteristics of pressure drainage for geotextile, small-scale model tests were carried out for the horizontal and vertical geotextile drain to accelerate consolidation of foundation under embankment for the purpose of foundation reinforcement. According to the result of this study, the accumulative drainage discharge is found to increase as compressive stress of geotextile increases with logarithmic function. The drainage discharge under each step of compressive stress linearly increases with the increase of hydraulic head and its increasing rate is smaller when the compressive stress is higher. The drainage discharge shows to be greater when the number of geoteztile layers is more and the foundation material is finer. The relationship between transmissivity of geogextile and drainage discharge has positive correlation and the rate of increase is appeared to be the same regardless of foundation material and hydraulic head. And it proves that the drainage capacity of geotextile drain is determined by the transmissivity of geoteztile.
 
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Geotextile;Drain;Pressure drainage;In-plane Permeability;Transmissivity;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.5, 1996³â, pp.89-102
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446857)
¾ð¾î : Çѱ¹¾î
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