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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.5, 2003³â, pp.155-162
ÇǽºÅæ ÆßÇÁ ±â¹ýÀ» ÀÌ¿ëÇÑ Èë-¼öºÐ Ư¼º°î¼± ÃøÁ¤¹æ¹ý
( Determination of the Soil-water Characteristic Curve Using the Flow Pump Technique )
Ȳâ¼ö;±èÅÂÇü; ¹Ì±¹ ÄÝ·Î¶óµµ ÁÖ¸³´ëÇб³ Åä¸ñȯ°æ°ÇÃà°øÇаú;Çö´ë°Ç¼³(ÁÖ) ±â¼ú¿¬±¸¼Ò;
 
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Èë-¼öºÐ Ư¼º°î¼±Àº ÅäÁú¿ªÇп¡¼­ ºÒÆ÷È­ÅäÀÇ ±Ù°£ÀÌ µÇ´Â Áß¿äÇÑ ¹°¼ºÇÔ¼ö·Î ºÒÆ÷È­Åä ¿¬±¸¿¡ À־ °¡Àå Áß¿äÇÑ ¿ä¼ÒÀÌ´Ù. µû¶ó¼­ ÀÌ·¯ÇÑ Èë-¼öºÐ Ư¼º°î¼±À» º¸´Ù Á¤È®ÇÏ°í ºü¸£°Ô ¶Ç Æí¸®ÇÏ°Ô ÃøÁ¤ÇÒ ¼ö ÀÖ´Â ½Å·Ú¼º ÀÖ´Â ¹æ¹ýÀÌ ºÒÆ÷È­Åä ¿¬±¸¿¡ À־ ¿ì¼±ÀûÀ¸·Î ¿ä±¸µÇ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÇǽºÅæ ÆßÇÁ ±â¹ýÀ» ÀÌ¿ëÇÑ Èë-¼öºÐ Ư¼º°î¼± ÃøÁ¤¹æ¹ýÀ» º¸¿Ï, ¹ßÀü½ÃÄ×´Ù. ÀÌ ¹æ¹ýÀº ±âÁ¸ÀÇ Èë-¼öºÐ Ư¼º°î¼± ÃøÁ¤¹æ¹ýµéº¸´Ù ÃøÁ¤Çϱ⿡ Æí¸®ÇÏ°í ºü¸£¸ç ´õ¿í Á¤È®ÇÑ ÃøÁ¤ÀÌ °¡´ÉÇÏ´Ù. ¶ÇÇÑ Àüü½ÇÇè °úÁ¤À» ÅëÇÏ¿© ¿ÏÀüÇÑ ÅëÁ¦°¡ °¡´ÉÇϸç ÄÄÇ»Å͸¦ ÀÌ¿ëÇÑ ÀÚµ¿È­ ¹× Á¤¹ÐÃøÁ¤ÀÌ °¡´ÉÇϱ⠶§¹®¿¡ Èë-¼öºÐ Ư¼º°î¼±ÀÇ »ó¼¼ÇÑ ºÎºÐ±îÁö ¿¬±¸ÇÒ ¼ö ÀÖ´Ù. ÇÑ Á¡ ÇÑ Á¡ÀÌ ¾Æ´Ñ ¿¬¼ÓÀûÀÎ °ÇÁ¶°î¼±À̳ª ½ÀÀ±°î¼±ÀÇ ÃøÁ¤ÀÌ °¡´ÉÇÏ°í °ÇÁ¶°î¼±¿¡¼­ÀÇ °ø±âħÀÔ°ª À§Ä¡¶óµçÁö ½ÀÀ±°î¼±¿¡¼­ÀÇ °ø±âÆó»öÀ§Ä¡µîµµ ÃøÁ¤ °¡´ÉÇÏ´Ù. ¶ÇÇÑ ºÒÆ÷È­ÅäÀÇ Æ¯¼ºÁßÀÇ ÇϳªÀÎ Èë-¼öºÐ Ư¼º°î¼±ÀÇ À̹漺 ÃøÁ¤µµ °¡´ÉÇÏ´Ù. º» ¿¬±¸¿¡¼­´Â ½ÇÇè¹æ¹ý»óÀÇ ±â¹ýÀ» °³¹ßÇßÀ» »Ó¸¸ ¾Æ´Ï¶ó ½ÇÇè°á°ú¿¡ ´ëÇÑ ±¸Ã¼ÀûÀÎ ÇØ¼®µµ ÀÌ·ç¾îÁ³´Ù. ½Ç·Ê·Î ¼®¼ÇÁ¶Àý±â¹ý(suction drop measurement)À̶ó´Â ¹æ¹ýÀ» °³¹ßÇßÀ¸¸ç ÀÌ ¹æ¹ýÀ» ÀÌ¿ëÇϸé Èë-¼öºÐ Ư¼º°î¼±À» º¸´Ù Æí¸®ÇÏ°í ¶Ç ÂªÀº ½Ã°£ ³» Á¤È®ÇÏ°Ô ÃøÁ¤ÇÒ ¼ö ÀÖ´Ù.
The soil-water characteristic curve (SWCC) represents the essential constitutive relationship for solving various problems in unsaturated soil mechanics. A reliable and convenient experimental method is needed for the determination of the SWCC in engineering applications. This study introduces and proves that the suction-saturation experimental measurement based on the flow pump technique is a convenient and accurate method for obtaining the SWCC. The flow pump technique provides complete control over the test conditions and is capable of detecting all the important elements of the SWCC. In particular, it is capable of defining continuous drying and wetting curves, the moment of air occlusion, and the hysteretic behavior of unsaturated soils. Not only the optimal testing procedure but also the analysis technique for the flow pump technique has been established in this study. Especially, the method of the suction drop measurement was developed to measure the SWCC. This method is a convenient and time saving method without losing accuracy.
 
Ű¿öµå
Flow pump technique;Soil-water characteristic curve;Suction-saturation test;Unsaturated flow;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.5, 2003³â, pp.155-162
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921979162)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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