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Çѱ¹µµ·ÎÇÐȸ / v.10, no.1, 2008³â, pp.97-104
¸ðµâÇüÅÂÀÇ Ãæ°ÝÈí¼öÀåÄ¡ ÇØ¼®¹æ¹ý
( Analysis Method of Module Type Crash Cushion )
°í¸¸±â;±è±âµ¿;¼ºÁ¤°ï;À±´ö±Ù; °øÁÖ´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;°øÁÖ´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸½Ç;
 
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µµ·Îº¯¿¡´Â ´Ù¾çÇÑ ºÎÁ¤ÇüÀÇ ±¸Á¶¹°µéÀÌ ¹æÈ£µÇÁö ¾ÊÀº ä ³ëÃâµÇ¾î À־ ÅëÇàÂ÷·®¿¡ Å« À§Çè¿ä¼Ò°¡ µÇ°í ÀÖ´Ù. ÀÌ·¯ÇÑ ºÎÁ¤Çü ±¸Á¶¹°À» È¿°úÀûÀ¸·Î ¹æÈ£ÇÏ´Â ¼ö´ÜÀ¸·Î ±¸Á¶¹° ¾Õ¿¡ ¿¡³ÊÁöÈí¼öÇü ¸ðµâÀ» ÀûÃþ±¸Á¶·Î ½×´Â ¹æ¹ýÀÌ ÀÖ´Ù. º» ³í¹®Àº EPSºí·ÏÀ¸·Î ±¸¼ºµÈ ¸ðµâŸÀÔÀÇ Ãæ°ÝÈí¼öÀåÄ¡¸¦ Â÷·®°ú Ãæ°ÝÈí¼öÀåÄ¡°£ÀÇ ¿¡³ÊÁö ÆòÇü¿ø¸®¸¦ ÀÌ¿ëÇÏ¿© ÇØ¼®ÇÏ´Â ¹æ¹ýÀ» ¼Ò°³Çϰí 0.9ton-500km/h, 0.9ton-60km/h and 0.9ton-70km/hÀÇ Ãæµ¹Á¶°Ç¿¡ ´ëÇÑ ¼öÄ¡ ¿¹Á¦·Î ¼³¸íÇÏ¿´´Ù. ÀÌ ¹æ¹ýÀº ÃÖ´ë°¡¼Óµµ, Ãæµ¹º¯Çü¿¡ °É¸®´Â ½Ã°£ ¸ðµç ¸ðµâ¿¡ ´ëÇÑ º¯ÇüÀÌ ¿Ï·áµÇ±â Àü¿¡ Â÷·®ÀÇ ¿ÏÀüÇÑ Á¤Áö¿©ºÎ µî¿¡ ´ëÇÑ ¿¹ÃøÀ» °¡´ÉÇÏ°Ô ÇÏÁö¸¸, ¸ðµâ ¼ö¸¸Å­ÀÇ ¸Å¿ì µë¼ºµë¼ºÇÑ ¼Óµµ ¹× °¡¼Óµµ µ¥ÀÌÅ͸¦ Áֱ⠶§¹®¿¡ RA¿Í OIV°°Àº ¾ÈÀüÁö¼ö¸¦ ±¸Çϱâ À§Çؼ­´Â º¸°£¹ýÀ» ÀÌ¿ëÇÑ µ¥ÀÌÅÍ ¼öÀÇ È®´ë°¡ ÇÊ¿äÇÏ´Ù. ¼±Çü ¹× ½ºÇöóÀÎ º¸°£¹ýÀ» ÀÌ¿ëÇÏ¿© ¾ÈÀüµµ¸¦ ºÐ¼®ÇÏ°í °á°ú¸¦ ºñ±³ ºÐ¼®ÇÏ¿´´Ù.
Many atypical structures on the roadside are exposed to traffics unshielded posing great danger. One way to shield an atypical structure to secure the occupant safety is to stack energy absorbing material modules in front of the structure. This paper presents the analysis method of module type crash cushion made of EPS blocks using simple energy balance of the car and crash cushion and numerical examples for 0.9ton-500km/h, 0.9ton-60km/h and 0.9ton-70km/h impact are presented. This method gives simple estimation of maximum acceleration, time of crash, whether or not the vehicle stops completely before whole cushion is being crushed. However, since the acceleration and velocity data from the analysis is so crudely spaced that calculation of safety indices such is RA and OIV is not possible. Problem is overcome by using data interpolation. The spline and linear interpolation is introduce and safety analysis is made and the results are compared.
 
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ºñÁ¤Çü±¸Á¶;¸ðµâ;Äí¼Ç;¿¡³ÊÁö ÆòÇü;º¸°£;atypical structure;module;cushion;energy balance;interpolation;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.1, 2008³â, pp.97-104
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814364662014)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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