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³í¹®¸í °øÇÐÀû Çؼ®¿¡ ÀÇÇÑ ¹è°ü ¾ÞÄ¿ ±¸Á¶¹° ÃÖÀû ¼³°è¿¡ °üÇÑ ¿¬±¸ / A Study on the Optimal Design of Pipe Anchor Structrures by Engineering Analysis
ÀúÀÚ¸í ÃÖÈ£¼º ; ÀÌÀç¿À
¹ßÇà»ç ´ëÇѼ³ºñ°øÇÐȸ
¼ö·Ï»çÇ× ¼³ºñ°øÇÐ³í¹®Áý, Vol.36 No.08 (2024-08)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(411) ÃÑÆäÀÌÁö(10)
ISSN 1229-6422
ÁÖÁ¦ºÐ·ù ȯ°æ¹×¼³ºñ
ÁÖÁ¦¾î ³Ã?¿Â¼ö ȯ¼ö¹è°ü; ³Ã?¿Â¼ö °ø±Þ¹è°ü; ¿­ÀÀ·Â; °¡Ä¡°øÇÐ ; CHWR; CHWS; Thermal stress; Value Engineering
¿ä¾à1 ¹è°ü ¾ÞÄ¿ ±¸Á¶ ¼³°è´Â ¾ÈÀüÇÑ ¹è°ü ½Ã½ºÅÛ ¼³°è¸¦ À§Çؼ­ °¡Àå Áß¿äÇÑ ¼³°è »çÇ×ÀÌ´Ù. ÇÏÁö¸¸ ¼³ºñ ¹× ¹è°ü ¿£Áö´Ï¾î´Â ¿îÀü Á¶°Ç¿¡ µû¸¥ ¹è°ü ¾ÞÄ¿ ÇÏÁßÀ» °è»êÇÒ ¼ö ÀÖÁö¸¸ ±¸Á¶ ¼³°è¸¦ ÁøÇàÇϱâ´Â ½±Áö ¾ÊÀ¸¸ç, ±¸Á¶ ¿£Áö´Ï¾î´Â ¹è°ü ¾ÞÄ¿ ÇÏÁßÀ» °è»êÇϱⰡ ½±Áö ¾Ê´Ù. ±¹³» ¿£Áö´Ï¾î¸µÀÇ Çö½ÇÀº °¢ ºÐ¾ßº° Çù¾÷ ½Ã½ºÅÛ ¹× Coupling Çؼ®ÀÇ ÀÎ½Ä ºÎÁ·À¸·Î ÀÎÇØ Á¤È®ÇÑ ¹è°ü ÇÏÁß °ª¿¡ ÀÇÇÑ ºÎÀç ¼³°è¸¦ ÁøÇàÇÏÁö ¾Ê°í, Á¤ÇüÈ­µÈ ¾ÞÄ¿ ±¸Á¶¹°À» ¼³°è¿¡ ¹Ý¿µÇÏ°í ÀÖ´Ù.
±¹³» ÇöÀå¿¡ Àû¿ëµÈ ¼³ºñ ¹è°ü ¾ÞÄ¿ ±¸Á¶¹° ºÐ¼® °á°ú, ¾ÈÀüÀ²ÀÌ Áö³ªÄ¡°Ô ¹Ý¿µµÈ ºÎÀç ¼³°è°¡ ¹Ý¿µµÇ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÌ·¯ÇÑ °úÇÑ ±Ô°ÝÀÇ ºÎÀç ¼³°è¸¦ ¹Ì¿¬¿¡ ¹æÁöÇϸç, ±¸Á¶ÀûÀ¸·Î ¾ÈÀüÇÑ ¹è°ü ¾ÞÄ¿ ¼³°è¸¦ ÁøÇàÇÏ°íÀÚ Ç¥ÁØÈ­µÈ Cook Book ¹æ½ÄÀÇ ¾ÞÄ¿ ±¸Á¶¹°À» ¿¬±¸ÇÏ¿´´Ù.
±¹³» °Ç¼³»ç ¹× ¿£Áö´Ï¾î´Â °Ç¼³½ÃÀå¿¡¼­ °æÀï ¿ìÀ§¸¦ È®º¸Çϱâ À§ÇØ ¸ðµç ºÐ¾ß¸¦ ´ë»óÀ¸·Î ¿ø°¡Àý°¨ ¹× Ç°ÁúÇâ»óÀ» À§ÇØ ³ë·ÂÇÏ°í ÀÖ´Ù. ¿£Áö´Ï¾î´Â ÇÁ·ÎÁ§Æ® ¼öÇà ½Ã »ó±â Fig. 13(H-Beam ±Ô°Ýº° ¾ÞÄ¿ ÃÖ´ë ÁöÁö ÇÏÁß) ÂüÁ¶ÇÏ¿© ±¸Á¶ ¿£Áö´Ï¾îÀÇ µµ¿òÀ» ¹ÞÁö ¾Ê¾Æµµ ½±°í ¾ÈÀüÇÑ ±¸Á¶ ¼³°è¸¦ ÁøÇàÇÒ ¼ö ÀÖÀ¸¸ç, ¿ø°¡Àý°¨À» ÅëÇÏ¿© VE(Value Engineering)¸¦ ½ÇÇöÇÒ ¼ö ÀÖ´Ù.
º» ¿¬±¸ ³í¹®ÀÌ ¹è°ü ¾ÞÄ¿ ±¸Á¶¹° ¼³Ä¡ ±Ô°ÝÀÇ ÁöħÀ¸·Î È°¿ëµÇ¾î °ú ¼³°è¿¡ ÀÇÇÑ °ø»çºñ ÁöÃâÀ» ¹Ì¿¬¿¡ ¹æÁöÇÏ°í ±¸Á¶¿¡ ´ëÇÑ Áö½ÄÀÌ ¾ø´Â ¿£Áö´Ï¾îµéµµ ½±°Ô Á¢±ÙÇÏ¿© ¾ÈÀüÇÑ ¾ÞÄ¿ ±¸Á¶ ¼³°è¸¦ ÇÒ ¼ö ÀÖ´Â ÀÚ·á·Î¼­ À¯¿ëÇÏ°Ô »ç¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëÇÑ´Ù.
ÇÏÁö¸¸ ÇâÈÄ ¹è°ü°ú ±¸Á¶¹°ÀÇ ¾ÈÀü¼ºÀ» ÅëÇÕÇÏ¿© ºÐ¼®ÇÒ ¼ö ÀÖ´Â ÇÁ·Î±×·¥ °³¹ßÀÌ ÇÊ¿äÇÏ´Ù.
¿ä¾à2 Pipe anchor is the most important item in piping design that can safely maintain a piping system by constraining displacement caused by vibrations such as earthquakes and thermal stress caused by fluid temperature. Because of the characteristics of pipe anchors due to excessive force restraint, it is the section where the most accidents occur in a piping system, such as damage to welds and anchor bolts and pipe separation. Thus, engineering safety must be designed. However, the reality of domestic engineering is the lack of structural design knowledge of HVAC engineers and piping engineers. Due to these problems, structural designs that reflect excessive safety factors are being made and sometimes the piping system is damaged due to neglect of the load in the longitudinal direction of the piping. In this study, anchor structures of commonly applied facility piping (CHWS, CHWR) were analyzed. As a result of the analysis, it was possible to change the H-Beam 200¡¿200¡¿8¡¿12 member of the anchor structure, which was reflected in the original design, to 125¡¿125¡¿6.5¡¿9. The VE effect could be maximized through cost reduction when structurally safe design was possible. The goal of this study was to provide basic data for practical engineers to design anchor members in the Cook Book method, which has been proven in engineering. In the future, practical engineers who lack experience in structural design will be able to refer to the table of the standardized Cook Book method which will become a guideline for safe anchor structure design while preventing overdesign in advance.
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DOI https://doi.org/10.6110/KJACR.2024.36.8.411