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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.2, 2007³â, pp.19-27
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( Opening Size Determination of Geotextiles Using Dry and Wet Methods )
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º» ¿¬±¸¿¡¼­´Â Çѱ¹»ê¾÷±Ô°Ý¿¡¼­ Á¦¾ÈÇϰí ÀÖ´Â °Ç½Ä¹æ¹ý°ú ½À½Ä¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© ±¹³» ÇÃ¶ó½ºÆ½¹è¼öÀç ÇÊÅÍ·Î °¡Àå ¸¹ÀÌ »ç¿ëÇÏ´Â Åä¸ñ¼¶À¯ 3Á¾·ùÀÇ À¯È¿±¸¸ÛÅ©±â¸¦ Æò°¡Çϰí, ½ÃÇè ¼öÇà °úÁ¤¿¡¼­ ³ªÅ¸³­ °¢ ½ÃÇè ¹æ¹ýÀÇ Æ¯Â¡°ú ½ÃÇè °á°ú¸¦ ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ½ÃÇè °á°ú¿¡ ÀÇÇϸé, °Ç½Ä¹æ¹ýÀº ½Å¼ÓÇÏ°í °£´ÜÇÑ ½ÃÇè¹æ¹ýÀÌÁö¸¸ »ó´ëÀûÀ¸·Î ¸¹Àº ¿ÀÂ÷°¡ ¹ß»ýÇÏ´Â µî ÁÁÁö ¾ÊÀº ¹æ¹ýÀ¸·Î ³ªÅ¸³µ´Ù. ¹Ý¸é¿¡, ½À½Ä¹æ¹ýÀº Á¤Àü±â ¹ß»ýÀ̳ª ¼¶À¯ ³»ÀÇ °¤Èû Çö»ó µî °Ç½Ä¹æ¹ý¿¡¼­ ³ªÅ¸³ª´Â ¸¹Àº ¿ÀÂ÷¸¦ ÁÙÀÏ ¼ö ÀÖ´Â ¹æ¹ýÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù. ±×·¯³ª ½À½Ä¹æ¹ýÀÇ ÇÑ ¹æ¹ýÀÎ KS K ISO 12956ÀÇ °æ¿ì, ½ÃÇè¿¡ ¿À·£ ½Ã°£ÀÌ ¼Ò¿äµÇ¸ç ½ÃÇè Áß »ç¿ë ÈëÀÇ ¼Õ½Ç¿¡ ´ëÇÑ ±âÁØÀÌ ¸Å¿ì ±î´Ù·Î¿î °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÀϹÝÀûÀ¸·Î ½À½Ä¹æ¹ýÀ¸·Î ±¸ÇÑ Åä¸ñ¼¶À¯ÀÇ À¯È¿±¸¸ÛÅ©±â´Â °Ç½Ä¹æ¹ýÀ¸·Î ±¸ÇÑ À¯È¿±¸¸ÛÅ©±âº¸´Ù ÀÛÀº °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ƯÈ÷ ÇöÀç »ç¿ëÇÏÁö ¾Ê´Â ¹æ¹ýÀÎ ¼ö¸®µ¿¿ªÇÐÀûÀÎ ¹æ¹ý KS F 2126·Î ±¸ÇÑ À¯È¿±¸¸ÛÅ©±â´Â KS K ISO 12956¹æ¹ýÀ¸·Î ±¸ÇÑ À¯È¿±¸¸ÛÅ©±â¿Í ºñ½ÁÇϰųª ÀÛÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
Dry and wet test methods established by Korean industrial standards to estimate opening size of 3 types of geotextile which are widely used for filter of plastic drain board in Korea are performed to evaluate characteristics of the test methods and to compare the test results. Judging from test results, dry method is a relatively poor test, having lots of problems causing many errors but a simple-quick test. Wet method is a very specific test avoiding many of the problems of dry method such as electrostatic charges, trapping in the geotextiles and so on. However, one of wet test methods, KS K ISO 12956, takes long time to complete a test and is too strict to handle loss of granular material. Generally, opening size of a geotextile by wet test method is smaller than that of dry test method. Especially, opening size by KS F 2126 which is called hydrodynamic method but at present is not used anymore is similar to or smaller than that by KS K ISO 12956 method.
 
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Dry and wet method;Geotextile;Opening size;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.2, 2007³â, pp.19-27
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200712242508269)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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