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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.6, 1998³â, pp.153-166
±ÕÁú Áö¹Ý°ú ºñ±ÕÁú Áö¹Ý¿¡¼­ °­°ü ¸ðÇü¸»¶ÒÀÇ ¼öÆò°Åµ¿ Ư¼º¿¡ °üÇÑ ¸ðÇü½ÇÇè
( Model Tests on the Characteristics of Lateral Behavior of Steel Pipe Pile in Homogeneous and Nonhomogeneous Soil Conditions )
±èº´Å¹;±è¿µ¼ö; °æºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;°æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ³í¹®Àº ±ÕÁú ¹× ºñ±ÕÁú ³«µ¿°­ »çÁúÅä Áö¹Ý¿¡¼­ ¼öÆò ¹× °æ»çÇÏÁßÀ» ¹ÞÀº °­°ü ¸»¶ÒÀÇ ¼öÆò°Åµ¿¿¡ ´ëÇÑ ¸ðÇü½ÇÇè °á°úµéÀ» °íÂûÇÏ¿´´Ù. ºñ±ÕÁú Áö¹ÝÀº »óºÎ¿Í ÇϺÎÃþÀÇ 2°³ÃþÀ¸·Î ÀÌ·çÁ³´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ¸»¶ÒÀÇ ¼öÆò°Åµ¿¿¡ ´ëÇÑ °æ»çÇÏÁß$(Q_eta)$, ¸»¶Ò ±ÙÀÔ±æÀÌ¿¡ ´ëÇÑ ÇϺÎÁö¹ÝÀÇ ³ôÀ̺ñ (H/S), ±×¸®°í »ó.ÇϺÎÁö¹ÝÀÇ Áö¹Ý¹Ý·Â°è¼öºñ$(E_{h1}E_{h2})$ÀÇ ¿µÇâ¿¡ °üÇÏ¿© ½ÇÇèÀûÀÎ ¿¬±¸¸¦ ¼öÇàÇϰí ÀÌ·¯ÇÑ ¿µÇâµéÀ» Á¤·®È­ ÇÒ ¼ö ÀÖ´Â ½ÇÇè°á°ú¸¦ ¾ò¾ú´Ù. ¸ðÇü½ÇÇè °á°úµé¿¡ ÀÇÇϸé, ºñ±ÕÁú Áö¹Ý¿¡¼­ ¼öÆò°Åµ¿Àº ´Ù¸¥ ÀÎÀڵ麸´Ù $E_{h1}E_{h2}$¿¡ ´õ ÀÇÁ¸ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±ÕÁúÁö¹Ý¿¡ ´ëÇÑ ºñ±ÕÁú Áö¹ÝÀÇ ¼öÆòº¯À§ºñ$(y_{H/L}/y_{H/L=0}$)¿Í ¸»¶Ò ±ÙÀÔ±æÀÌ¿¡ ´ëÇÑ ÇϺÎÁö¹ÝÀÇ ³ôÀ̺ñ(H/L)ÀÇ °ü°è´Â Áö¼ö ÇÔ¼ö½ÄÀ¸·Î ȸ±ÍºÐ¼® µÇ¾ú´Ù. °æ»çÇÏÁßÀ» ¹Þ´Â °æ¿ìÀÇ ÈÚ ¸ð¸àÆ®-±íÀÌ °ü°è´Â ¼öÆòÇÏÁßÀ» ¹Þ´Â ¸»¶ÒÀÇ °æ¿ì¿Í »óÀÌÇÏ°Ô ³ªÅ¸³µÀ¸¸ç, »ó´ë¹Ðµµ 90%¿¡¼­´Â ÃÖ´ë ÈÚ¸ð¸àÆ® ¹ß»ý±íÀÌ´Â ¼öÆòÇÏÁßÀ» ¹Þ´Â °æ¿ìº¸´Ù ¾à 70% ±í¾îÁ³´Ù.
This paper shows the results of a series of model tests on the behavior of steel pipe pile which is subjected to lateral and inclined loads in homogeneous and non-homogeneous Nak-dong River sands. Non-homogeneous soil consisted of two layers, upper and lower layer. The purpose of the present paper is to investigate the effect of ratio of lower layer height to embedded pile length, ratio of soil modules of upper layer to lower layer and inclined load on the behavior of single pile. These effects can be quantified only by the results of model tests. As a result. in non-homogeneous sand soil, it is shown that the lateral behavior depends upon the ratio of soil modules of upper layer to lower layer more than other factors. And it was found that the relationship between the deflection ratio of non-homogeneous sand to homogeneous sand and the ratio of lower layer height to embedded pile length can be fitted to exponential function of H/L by model tests results. For the inclined load applied, it is shown that the bending moment-depth relationship is not similar to the case of laterally loaded pile and the depth of maximum bending moment at relative density of 90% increases about 70% more than the pile only loaded laterally.
 
Ű¿öµå
Laterally loaded pile;Non-homogeneous;Inclined load;Model test;Two layers;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.6, 1998³â, pp.153-166
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811921757757)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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