Architecture
°ÇÃà Architecture


¾ç´ÜÀÌ ÈùÁö(hinge)ÀÎ Áß°ø ¿øÇü ´Ü¸é ±âµÕÀÇ Á±¼ÇÏÁß(buckling load)

ÀÛ¼ºÀÚ Uploader : ¸¶Áß¹° ÀÛ¼ºÀÏ Upload Date: 2022-05-25º¯°æÀÏ Update Date: 2022-05-25Á¶È¸¼ö View : 661

¾ç´ÜÀÌ ÈùÁö·Î °íÁ¤µÈ ±âµÕÀÇ ±æÀÌ°¡ L (m) ÀÌ°í, ¿Ü°æÀÌ D (m), µÎ²² t (m) ÀÎ ¿øÇü À϶§, Á±¼ÇÏÁß PB À» ¿ÀÀÏ·¯ °ø½ÄÀ¸·Î ±¸ÇÑ´Ù. ºÎÀçÀÇ Åº¼º°è¼ö´Â E (GPa) ÀÌ´Ù.

PB = n*¥ð^2*(E*I)/L^2

¾ç´ÜÀÌ ÈùÁöÀ̹ǷΠn=1 ÀÌ°í, I ´Â µµ½ÉÃà¿¡ ´ëÇÑ ´Ü¸é 2Â÷ ¸ð¸àÆ® À̹ǷÎ,

I = (¥ð/64)*(D^4-Di^4)

¿©±â¼­, Di ´Â ³»°æ ÀÌ°í, Di = D-2t ÀÓÀ» ´ëÀÔÇϸé,

PB = (¥ð^2*E/L^2)*(¥ð/64)*(D^(4)-(D-2t)^(4))
   = ¥ð^(3)*E*(D^(4)-(D-2t)^(4))/(64*L^2)

ÀÌ µÈ´Ù.

°á°úÀÇ ´ÜÀ§¸¦ kN À¸·Î Ç¥½ÃÇϸé,

PB = ¥ð^(3)*E*10^(6)*(D^(4)-(D-2t)^(4))/(64*L^2)

ÀÌ µÈ´Ù.

*** Âü°í¹®Çå[References] ***

https://en.wikipedia.org/wiki/Second_moment_of_area
PB = ¥ð^(3)*E*10^(6)*(D^(4)-(D-2*t)^(4))/(64*L^2)
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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