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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.7, no.3, 1998³â, pp.181-190
dzÇÏÁßÀ» °í·ÁÇÑ Á¦ÁÖÇü ÀÛ¹°Àç¹è¿ë ºñ´ÒÇϿ콺¸ðµ¨ÀÇ ±¸Á¶Çؼ®
( Structural Analysis of Cheju-style Plastic Greenhouse Model for Crop Growing Based on the Wind Load )
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ÇöÀç Á¦ÁÖµµ ¼­±ÍÆ÷½Ã Á¦ÁÖ°¨±Ö¿¬±¸¼Ò¿¡¼­ °³¹ßÁßÀÎ ³»Ç³Çü 2Áß ¾ÆÄ¡ ºñ´ÒÇϿ콺¿¡ dzÇÏÁßÀ» ÀçÇÏÇÏ¿© ź¼º¼öÄ¡ÇØ¼®À» ½ÃµµÇÑ °á°ú, dzµ¿½ÇÇè¿¡ ÀÇÇÏ¸é ÆÄdz¸ÁÀÇ È¿°ú´Â dz¼ÓÀÌ 5¡­25m/s ÀÏ ¶§ ÆÄdz¸ÁÀ» Åë°úÇÑ À¯Ãâ¼Óµµ°¡ 86¡­98%±îÁö °¨¼ÒÇÏ¿© ¸Å¿ì È¿°úÀûÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. º» ¿¬±¸¿¡¼­´Â ÀϹÝÀûÀ¸·Î »ç¿ëÇϰí ÀÖ´Â ÆÄÀÌÇÁ¸¦ Áö¹Ý¿¡ °íÁ¤½ÃŰ´Â °æ°èÁ¶°ÇÀ» ÁÖÁö ¾Ê°í ¼³Ä¡ÇÑ ÇǶó¹ÌµåÇü ÄÜÅ©¸®Æ® ÁöÁö´ëÀÇ »çÇÏÁßÀ» ÁöÁ¡¿¡ ÀçÇÏÇÏ¿© °æ°èÁ¶°ÇÀ» ÁØ °á°ú, ÇϿ콺°¡ dzÇÏÁßÀÇ ¾ç·Â¿¡ ÀÇÇÏ¿© À§·Î µé¸®´Â °Åµ¿À» ³ªÅ¸³»°í ÀÖ¾ú´Ù. ÀÌ·¯ÇÑ °Åµ¿Àº ÇöÀå¿¡¼­ ¸ñ°ÝµÇ´Â ÆÄ±«Çü»óÀÌ ±âÃÊ Àüü°¡ ÀÎ¹ßµÇ°í ÆÄÀÌÇÁ°¡ ÄÜÅ©¸®Æ® ±âÃʷκÎÅÍ ÀιߵÊÀ¸·Î½á ¾ß±âµÇ´Â ÆÄ±«¿äÀÎÀÌ µÈ´Ù. º» ¿¬±¸¿¡¼­ ÀçÇÏÇÑ 45m/sÀÇ Ç³ÇÏÁßÀº ÀçÇö±â°£ÀÌ 100³â¿¡ ´ëÇÑ °ªÀ¸·Î ¹Ý¿µ±¸ÀûÀÎ ±¸Á¶¹°¿¡ ±âÁØÀ¸·Î ºñ´ÒÇϿ콺ÀÇ ³»±¸¼ö¸íÀÌ »ó´ëÀûÀ¸·Î ªÀ¸¹Ç·Î ÀÌ Ç³ÇÏÁßÀ» °¨¼Ò½ÃÄѼ­ ¼³°èÇÒ ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ º» ¿¬±¸¿¡¼­´Â ÁöºØ¾ÆÄ¡°¡ ¿¬°áµÇ´Â Y-Çü Á¢¼ÓÀåÄ¡¸¦ ³»ºÎÈùÁö·Î ¸ðµ¨¸µÇÑ °ÍÀ» Á¦¿ÜÇϰí´Â ¸ðµç ¿¬°áÀ» °íÁ¤¿¬°á·Î º¸¾Æ ÇØ¼®ÇÏ¿´´Ù.
An elastic analysis under wind load was performed for the double layered plastic greenhouse model developed particularly for minimizing damages under typhoons at Cheju Citrus Research institute in Seagipo city. General EVA film was used for the inner covering and the developed special film which would break the wind pressure down was used for the outer covering. The wind tunnel test showed this special film reduced the wind speed up to 86 to 98% under well controlled situation. Based on the elastic analysis performed in the study, the behavior of the greenhouse was changed significantly due to the boundary conditions. Not like other researchers before we applied dead load of the concrete support to the ground pipe and fixed support boundary conditions at the 4 corner pipes. The analysis shows that the greenhouse was lifted and pulled the pipe out of the ground due to the sucking wind pressure. The behavior of the greenhouse was quite similar to that one real greenhouse failure. Therefore, not only we need to find the realistic boundary conditions for the supports, but also need to find how to rest the pipe supports on the ground without economic loss.
 
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ºñ´ÒÇϿ콺;ź¼ºÇؼ®;dzÇÏÁß;dzµ¿½ÇÇè;plastic greenhouse;elastic analysis;wind load;wind tunnel test;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.7, no.3, 1998³â, pp.181-190
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811922406082)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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