Section (Tapered)
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Tapered ÅÇ¿¡¼´Â ¼±¿ä¼ÒÀÇ ¾ç´Ü¿¡¼ Å©±â°¡ ´Ù¸¥ ´Ü¸é Ư¼ºÀ» Á¤ÀÇÇÕ´Ï´Ù.
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Section - Tapered ´ëÈ»óÀÚ
´Ü¸éÇü»ó ÀÔ·Â
´Ü¸éÇü»ó ¸ñ·Ï : Àû¿ëÇÒ ¼ö ÀÖ´Â º¯´Ü¸é Çü»óÀº ¾Æ·¡¿Í °°À¸¸ç, Value TypeÀÇ General Section°ú PSC, Composite TypeÀÇ ´Ü¸éÀº ¹Ì¸® Á¤ÀÇÇØ µÐ ´Ü¸éÀ» ºÒ·¯µé¿© Æí¸®ÇÏ°Ô º¯´Ü¸éÀ» ÀÛ¼ºÇÒ ¼ö ÀÖ½À´Ï´Ù.
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DB/User |
: R-OctagonÀ» Á¦¿ÜÇÑ ¸ðµç ´Ü¸é |
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Value |
: R-OctagonÀ» Á¦¿ÜÇÑ ¸ðµç ´Ü¸é |
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PSC |
: PSC TypeÀÇ ¸ðµç ´Ü¸é |
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Composite |
: ´Ü¸éÇüŰ¡ Á¤ÇüÈµÈ 4°¡Áö ´Ü¸é. Steel-Box, Steel-I, PSC-I, PSC-T |
Value : ´Ü¸éÀÇ °¼ºµ¥ÀÌÅ͸¦ »ç¿ëÀÚ°¡ Á÷Á¢ ÀÔ·ÂÇÒ ¶§ ÁöÁ¤ÇÕ´Ï´Ù.
Section-i ¿Í j º°·Î Size Ç׿¡¼ ´Ü¸éÀÇ ÁÖ¿äÄ¡¼ö¸¦ ÀÔ·ÂÇÏ°í ¹öưÀ» Ŭ¸¯ÇÑ ÈÄ, ÀÚµ¿°è»êµÈ °¼ºµ¥ÀÌÅ͸¦ ¼öÁ¤Çϰųª Size¸¦ ÀÔ·ÂÇÏÁö ¾Ê°í Á÷Á¢ °¼ºµ¥ÀÌÅ͸¦ ÀÔ·ÂÇÒ ¼ö ÀÖ½À´Ï´Ù.
User : Á¤ÇüÈµÈ ´Ü¸éÀÇ ÁÖ¿äÄ¡¼ö¸¦ ÀÔ·ÂÇÏ¿© ´Ü¸éÀ» Á¤ÀÇÇÒ ¶§ ÁöÁ¤ÇÕ´Ï´Ù.
DB : ±¹°¡º° Ç¥ÁشܸéÀÇ DB·ÎºÎÅÍ »ç¿ëÇÒ ´Ü¸éÀ» ¼±ÅÃÇÒ ¶§ ÁöÁ¤ÇÕ´Ï´Ù. ¿ìÃøÀÇ DB ¸ñ·Ï¿¡¼ ¿øÇÏ´Â DB¸¦ ¼±ÅÃÇÕ´Ï´Ù.
KS : Korean Industrial Standards
AISC2K(US) : American Institute of Steel Construction, 2000 (US Unit : lb, in)
AISC2K(SI) : American Institute of Steel Construction, 2000 (SI Unit : kN, m)
AISC : American Institute of Steel Construction
CISC02(US) : Canadian Institute of Steel Construction (US Unit : lb, in)
CISC02(SI) : Canadian Institute of Steel Construction (SI Unit : kN, m)
BS : British Standards
DIN : Deutshes Institut Fur Normung e.v.
JIS : Japanese Industrial Standards
JIS2K : Japanese Industrial Standards 2000
GB-YB : Guojia Biao Zhun-Yejin Bu Biao Zhunteel Construction, 2000 (Metric Unit :N, m)
GB-YB05 : Guojia Biao Zhun-Yejin Bu Biao Zhun(2005)
Pacific(SI) : Bentley Pacific Standards (SI Unit : kN, m)
IS84 : Indian Standards
CNS91 : Taiwan Standards
Section-i, Section-j
º¯´Ü¸éÀ» ¹¦»çÇϱâ À§Çؼ ¿ä¼ÒÀÇ ½ÃÀÛÁ¡ÀÎ i ´ÜºÎ¿Í ³¡Á¡ÀÎ j ´ÜºÎ¿¡ ÇØ´çÇÏ´Â °¢°¢ÀÇ ´Ü¸éÀ̸§À» Á÷Á¢ ÀÔ·ÂÇϰųª ´Ü¸é ¸ñ·ÏÇ¥¿¡¼ ¼±ÅÃÇÕ´Ï´Ù. ´Ü¸éÀ̸§À» Á÷Á¢ ÀÔ·ÂÇÒ ¶§¿¡´Â DBÀÇ ´Ü¸éÀ̸§ Çü½Ä°ú ÀÏÄ¡µÇ¾î¾ß ÇÕ´Ï´Ù.
¿¹) KS, JIS : H 400X200X8/13, AISC : W36X280, CISC : HP310x110, BS : UB 406x178x54, DIN : HD400x288
Section-i, Section-j
¿ä¼ÒÀÇ ±æÀ̹æÇâ À§Ä¡¿¡ (I´Ü, 1/4, 1/2, 3/4, J´Ü) µû¸¥ ´Ü¸é2Â÷¸ð¸àÆ® º¯È ¹æ¹ýÀ» ÁöÁ¤ÇÕ´Ï´Ù.
Linear : ¿ä¼ÒÁÂÇ¥°è xÃàÀ» µû¶ó 1Â÷½Ä(Linear)À¸·Î º¯ÈÇÒ °æ¿ì
Parabolic : ¿ä¼ÒÁÂÇ¥°è xÃàÀ» µû¶ó 2Â÷½Ä(Parabolic)À¸·Î º¯ÈÇÒ °æ¿ì
Cubic : ¿ä¼ÒÁÂÇ¥°è xÃàÀ» µû¶ó 3Â÷½Ä(Cubic)À¸·Î º¯ÈÇÒ °æ¿ì
Note 1
´Ü¸é Á¾·ù(»ç°¢´Ü¸é / H´Ü¸é)¿¡ µû¸¥ º¯È¹æ¹ý(Linear / Parabolic / Cubic) Àû¿ë ¿¹¿Í ´Ü¸é»ó¼ö °è»ê¹æ¹ý
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º¯´Ü¸é ºÎÀçÀÇ ´Ü¸é¼ºÁú ÀÔ·Â |
º¯´Ü¸éºÎÀç ¾ç´Ü¿¡ ÀÔ·ÂµÈ ´Ü¸é¼ºÁú(A, Asy, Asz, Ixx, Iyy, Izz)Àº ºÎÀçÀÇ ±æÀ̹æÇâÀ» µû¶ó I´Ü¿¡¼ J´ÜÀ¸·Î º¯ÈÇÑ´Ù.
¿¹¸¦ µé¾î, ´ÙÀ½ 3°¡Áö °æ¿ìÀÇ Iyy Variation°ú Izz VariationÀº ´ÙÀ½°ú °°´Ù. [¿¹Á¦ a] »ç°¢´Ü¸é ÇüÅÂÀÇ °Ãà, ¾àÃà ´Ü¸é2Â÷¸ð¸àÆ®<¿ÞÂÊ ±×¸²(a) ÂüÁ¶> , Æø(B)ÀÌ ÀÏÁ¤ÇÏ°í ³ôÀÌ(H)°¡ º¯ÇÏ´Â °æ¿ìÀÇ °Ãà¿¡ ´ëÇÑ ´Ü¸é2Â÷¸ð¸àÆ®´Â 3Â÷½Ä, ¾àÃà¿¡ ´ëÇÑ ´Ü¸é2Â÷¸ð¸àÆ®´Â 1Â÷½Ä ÇüÅ·Πº¯ÇÏ°Ô µÇ¹Ç·Î Iyy Variation = 'Cubic', Izz Variation = 'Linear'°¡ µÈ´Ù.
[¿¹Á¦ b, c] HÇü ´Ü¸éÀÇ °Ãà, ¾àÃà ´Ü¸é2Â÷¸ð¸àÆ®<¿ÞÂÊ ±×¸²(b), (c) ÂüÁ¶>
Æø(B)ÀÌ ÀÏÁ¤ÇÏ°í ³ôÀÌ(H)°¡ º¯ÇÏ´Â °æ¿ì °Ãà¿¡ ´ëÇÑ ´Ü¸é2Â÷¸ð¸àÆ®´Â »ó±â½ÄÀÇ Ã¹Â°Ç×°ú µÎ¹øÂ°Ç×À» ¹«½ÃÇÏ¸é ´ë·« 2Â÷½ÄÀÇ ÇüÅ·Î, ¾àÃà¿¡ ´ëÇÑ ´Ü¸é2Â÷¸ð¸àÆ®´Â ´ë·« 1Â÷½ÄÀÇ ÇüÅ·Πº¯ÇÏ°Ô µÇ¹Ç·Î Iyy Variation = 'Parabolic', Izz Variation = 'Linear'·Î »ç¿ëÇÏ´Â °ÍÀÌ Å¸´çÇÏ´Ù. ¹Ý¸é, ³ôÀÌ(H)°¡ ÀÏÁ¤ÇÏ°í Æø(B)ÀÌ º¯ÇÏ°Ô µÇ´Â °æ¿ìÀÇ °Ãà¿¡ ´ëÇÑ ´Ü¸é2Â÷¸ð¸àÆ®´Â ´ë·« 1Â÷½ÄÀÇ ÇüÅ·Î, ¾àÃà¿¡ ´ëÇÑ ´Ü¸é2Â÷¸ð¸àÆ®´Â ´ë·« 3Â÷½Ä ÇüÅ·Πº¯ÇÏ°Ô µÇ¹Ç·Î Iyy Variation = 'Linear', Izz Variation = 'Cubic'À» »ç¿ëÇÏ´Â °ÍÀÌ Å¸´çÇÏ´Ù. |
Note 2
Contour, Diagram, Table·Î Ãâ·ÂµÇ´Â °á°ú´Â Ãà¹æÇâ º¯È¹æ¹ý¿¡ µû¶ó ´Ü¸é2Â÷¸ð¸àÆ® ¸¸À» ´Ù¸£°Ô Àû¿ëÇÑ´Ù. (Note
1 ÂüÁ¶) Beam Detail Analysis´Â I´Ü°ú J´Ü »çÀÌ¿¡ ¼±ÇüÀ¸·Î º¯ÈÇÏ´Â Çü»óÁ¤º¸¸¦ ÀÌ¿ëÇÏ¿© 1/4, 1/2,
3/4 ÁöÁ¡ÀÇ ¸ðµç ´Ü¸é»ó¼ö¸¦ Á÷Á¢ °è»êÇÑ´Ù. ´Ü¸é»ó¼ö Àû¿ë¹æ¹ýÀÇ Â÷ÀÌ·Î ÀÎÇØ Contour,
Diagram, TableÀÇ °á°ú¿Í Beam Detail Analysis °á°ú´Â ¼·Î »óÀÌÇÒ ¼ö ÀÖ´Ù.