Load Combinations ´ëÈ»óÀÚ
ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» »õ·Î ÀÔ·ÂÇϰųª Ãß°¡ÇÒ °æ¿ì
ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÔ·ÂÇÏ´Â ¹æ¹ýÀº ´ÙÀ½°ú °°ÀÌ ³×°¡Áö°¡ ÀÖ½À´Ï´Ù.
1.
»ç¿ëÀÚ°¡ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» Á÷Á¢ ÀÔ·Â
Load
Combination List ÀԷ¶õ¿¡ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» Á¤ÀÇÇϴµ¥ ÇÊ¿äÇÑ ±âº»»çÇ×À» ´ÙÀ½°ú °°ÀÌ Á÷Á¢
ÀÔ·ÂÇÕ´Ï´Ù.
No : ÇÏÁßÁ¶ÇÕÁ¶°ÇÀÇ ÀԷ¼ø¼¿¡ µû¶ó
ÀÚµ¿À¸·Î ÀϷùøÈ£ ºÎ¿©
Name : ÇÏÁßÁ¶ÇÕÁ¶°ÇÀÇ À̸§ ÀÔ·Â
±³·®±¸Á¶¹°ÀÇ
½Ã°ø´Ü°èÇؼ®À» ¼öÇàÇÑ °æ¿ì ½Ã°ø´Ü°èÇؼ®¿¡ Àû¿ëµÇ´Â ÇÏÁßÀº Çؼ®½Ã ½Ã°ø´Ü°èÇÏÁßÀ¸·Î ÅëÇյǾî Çؼ®°á°ú
È®Àνÿ¡´Â ´ÙÀ½°ú °°Àº Á¶°ÇÀ¸·Î º°µµ·Î ÀúÀåµÈ´Ù. ´ÙÀ½ÀÇ Á¶°Çµé°ú À̵éÀ» Á¶ÇÕÇÑ ÇÏÁßÁ¶ÇÕÁ¶°Ç¿¡ ´ëÇؼ´Â
°¢ ½Ã°ø´Ü°è¿¡¼ Çؼ®°á°ú¸¦ È®ÀÎÇÒ ¼ö ÀÖ´Ù. ÃÖÁ¾´Ü°è(PostCS Stage)¿¡¼´Â ´ÙÀ½ÀÇ Á¶°Ç
¶Ç´Â ÀÏ¹Ý ´ÜÀ§ÇÏÁßÁ¶°ÇµéÀ» Á¶ÇÕÇÑ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» º°µµ·Î »ý¼ºÇÏ¿©¾ß Çϸç, ÀÚµ¿»ý¼ºµÈ ´ÙÀ½ÀÇ Á¶°Ç¿¡
´ëÇؼ´Â °á°ú¸¦ È®ÀÎÇÒ ¼ö ¾ø´Ù.
½Ã°ø´Ü°èÇؼ®¿¡¼
»ý¼ºµÇ´Â ÇÏÁßÁ¶°ÇÀº Construction Stage Analysis
ControlÀÇ ¼³¸íÀ» ÂüÁ¶ÇÑ´Ù.
Active : ÇØ´ç ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ»
Àû¿ëÇÏ´Â ¹æ¹ýÀ» ÁöÁ¤ÇÕ´Ï´Ù.
Inactive : ÈÄ󸮸ðµå¿¡¼ ÇØ´ç
ÇÏÁßÁ¶ÇÕ Á¶°ÇÀ» Àû¿ëÇÏÁö ¾ÊÀ½
Active : ÈÄ󸮸ðµå¿¡¼ ÇØ´ç
ÇÏÁßÁ¶ÇÕ Á¶°ÇÀ» Àû¿ëÇÔ (General ÅÇ)
Strength/Stress : º¸ºÎÀçÀÇ
»ç¿ë¼º°ËÅä(±Õ¿°ËÅä, ÇǷΰËÅä)¸¦ Á¦¿ÜÇÑ ÈÄ󸮸ðµå¿¡¼ ÇØ´ç ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» Àû¿ë
Serviceability : º¸ºÎÀçÀÇ
ÀÚµ¿¼³°è ¹× °µµ °ËÁõÀ» Á¦¿ÜÇÑ ÈÄó¸® ¸ðµå¿¡¼ ÇØ´ç ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» Àû¿ë
Type : Çؼ®°á°úÀÇ Á¶ÇÕ¹æ¹ý ÁöÁ¤
L1 + L2
+ ... + M1 +
M2 + ... + S1 + S2
+ ...+ R1 +
R2 + ... + T
+ LCB1 + LCB2 + ... + ENV1 + ENV2
+ ...
CBmax : Max(L1,
L2, ..., M1, M2,
..., S1, S2, ...,R1,
R2, ..., T,
LCB1, LCB2, ..., ENV1,
ENV2, ...)
CBmin : Min(L1,
L2, ..., M1, M2,
..., S1, S2, ...,R1,
R2, ..., T,
LCB1, LCB2, ..., ENV1,
ENV2, ...)
CBall : Max(|L1|, |L2|,
..., |M1|, |M2|, ..., |S1|,
|S2|, ..., |R1|, |R2|,
..., |T|, |LCB1|,
|LCB2|, ...,
|ENV1|, |ENV2|, ...)
|L1| +| L2|+
... + |M1| +
|M2| + ... +
|S1| + |S2| + ...+ |R1| + |R2|
+ ...+ |LCB1|
+ |LCB2| + ...
+ |ENV1| + |ENV2| + ...
(L12
+ L22
+ ... + M12 + M22 + ... + S12
+ S22
+...+R12 + R22 +... + T2 + LCB12 + LCB22 + ... + ENV12
+ ENV22 + ...)1/2
¿©±â¼,
L
: Á¤Àû ´ÜÀ§ÇÏÁßÁ¶°Ç¿¡ ´ëÇÑ Çؼ®°á°ú ¡¿ Áõ°¨°è¼ö
M
: À̵¿ÇÏÁß Á¶°Ç¿¡ ´ëÇÑ Çؼ®°á°ú ¡¿ Áõ°¨°è¼ö
S
: ÁöÁ¡Ä§ÇÏ ÇÏÁßÁ¶°Ç¿¡ ´ëÇÑ Çؼ®°á°ú ¡¿ Áõ°¨°è¼ö
R
: Response Spectrum Á¶°Ç¿¡ ´ëÇÑ Çؼ®°á°ú ¡¿ Áõ°¨°è¼ö
T
: ½Ã°£ÀÌ·ÂÇؼ® Á¶°Ç¿¡ ´ëÇÑ Çؼ®°á°ú ¡¿ Áõ°¨°è¼ö
LCB
: ÀÌ¹Ì Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°Ç¿¡ ´ëÇÑ Çؼ®°á°ú ¡¿ Áõ°¨°è¼ö
ENV
: ÀÌ¹Ì Á¤ÀÇµÈ EnvelopeÁ¶°Ç¿¡ ´ëÇÑ Çؼ®°á°ú ¡¿ Áõ°¨°è¼ö
1.
ÇÑ°³ÀÇ ÇÏÁßÁ¶ÇÕÁ¶°Ç¿¡¼´Â 150°³ÀÇ ÇÏÁßÁ¶°Ç ¶Ç´Â ÇÏÁßÁ¶ÇÕÁ¶°ÇµéÀ» ¼·Î Á¶ÇÕÇÒ ¼ö ÀÖ´Ù.
2.
ÇÏÁßÁ¶ÇÕ¹æ¹ýÁß Envelope, ABS, SRSS´Â General¿¡¼¸¸ Àû¿ëµÈ´Ù.
LoadCase : ÇÏÁßÁ¶°Ç ¸ñ·ÏÆÇ¿¡¼
ÀÔ·ÂµÈ ´ÜÀ§ÇÏÁßÁ¶°Ç ¶Ç´Â ¸ÕÀú Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ¼±ÅÃÇÕ´Ï´Ù.
Factor : ¼±ÅÃµÈ ´ÜÀ§ÇÏÁßÁ¶°Ç
¶Ç´Â ÇÏÁßÁ¶ÇÕÁ¶°Ç¿¡ Àû¿ëÇÒ ÇÏÁß°è¼ö ÀÔ·Â
2.
³»ÀåµÈ ¼³°è±âÁØÀ» ¼±ÅÃÇÏ¿© ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÚµ¿ÀÔ·Â
ÇÏÁßÁ¶ÇÕÁ¶°Ç ÀÔ·Â ´ëÈ»óÀÚ¿¡¼ ÇϺο¡ ÀÖ´Â
¹öÆ°À» Ŭ¸¯ÇÕ´Ï´Ù. Ŭ¸¯ÈÄ ³ªÅ¸³ª´Â ÇÏÁßÁ¶ÇÕÁ¶°Ç ÀÚµ¿ÀÔ·Â
´ëÈ»óÀÚ¿¡¼ ´ÙÀ½»çÇ×À» ¼±ÅÃÇÏ°í
¹öÆ°À» Ŭ¸¯Çϸé, »ç¿ëÀÚ°¡ Á¤ÀÇÇÑ ´ÜÀ§ÇÏÁßÁ¶°Ç°ú ±ÔÁØ¿¡ ´ëÇÑ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÚµ¿À¸·Î »ý¼ºÇØ ÁÝ´Ï´Ù.
|
Option
V810-543
Add
: ÀÌ¹Ì Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°Ç¿¡ ÀÚµ¿»ý¼ºµÉ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» Ãß°¡
Replace
: ÀÌ¹Ì Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» »èÁ¦ÇÏ°í, ÀÚµ¿»ý¼ºµÉ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ¸·Î ´ëü
Add
Envelope : Envelope ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÚµ¿ »ý¼º, General
ÅÇ¿¡¼¸¸ Àû¿ë
Code
Selection
Steel
: ö°ñ¼³°è½Ã ¼³°è±âÁØ
Concrete
: ö±ÙÄÜÅ©¸®Æ®¼³°è½Ã
¼³°è±âÁØ
SRC
: ö°ñ-ö±ÙÄÜÅ©¸®Æ®¼³°è½Ã
¼³°è±âÁØ
Composite
Steel Girder Design :
°ÇÕ¼º °Å´õ ¼³°è½Ã ¼³°è±âÁØ(KSCE-LSD12, AASHTO-LRFD) v831-590
Design
Code : ÇÏÁßÁ¶ÇÕÁ¶°Ç ÀÚµ¿»ý¼º¿¡ Àû¿ëÇÒ ¼³°è±âÁØÀ» ¼±ÅÃ
KSCE-LSD12
: µµ·Î±³¼³°è±âÁØ(ÇÑ°è»óż³°è¹ý)
AASHTO-Std2K
: AASHTO Standard Specifications for Highway Bridges
: 2000 Interim Revisions,
1996
16th Edition
/ ÇÏÁßÁ¶ÇÕ¼³¸í
AASHTO-LRFD02
: AASHTO LRFD Bridge Design Specifications, 2002
/ ÇÏÁßÁ¶ÇÕ¼³¸í
JTJ021-89
: Áß±¹ µµ·Î±³ÇÔ ¼³°èÅë¿ë±Ô¹ü /
ÇÏÁßÁ¶ÇÕ¼³¸í
CJJ77-98
: Áß±¹ µµ½Ã±³·®¼³°è ÇÏÁßÇ¥ÁØ / ÇÏÁßÁ¶ÇÕ¼³¸í
KRTA-BRG2K
: Çѱ¹µµ·Î±³ÅëÇùȸ
µµ·Î±³¼³°è±âÁØ
KSCE-USD96
: ´ëÇÑÅä¸ñÇÐȸ ÄÜÅ©¸®Æ®Ç¥Áؽùæ¼
KCI-USD99
: Çѱ¹ ÄÜÅ©¸®Æ®ÇÐȸ ÄÜÅ©¸®Æ® ±¸Á¶¼³°è±âÁØ
IRC
: 6-2000 : Àεµ±¹°¡Ç¥ÁØ Ã¶±Ù ÄÜÅ©¸®Æ® ¼³°è±âÁØ
JSCE
02 : ÀϺ» Åä¸ñÇÐȸ 2002
JTG
D60-04 : Áß±¹ 2004
|
Manipulation of Construction Stage Load Case
Load Case Á¤Àǽà ½Ã°ø´Ü°è¿¡ Æ÷ÇԵǴÂ
ÇÏÁßÀº Construction Stage Load(CS) ŸÀÔÀ¸·Îµµ Á¤ÀÇ°¡ °¡´ÉÇÏ°í, ÀÌ¿ÜÀÇ Á¤ÀûÇÏÁß(D,
DC, DW...) ŸÀÔÀ¸·Îµµ Á¤ÀÇÇÒ ¼ö ÀÖ½À´Ï´Ù. µÎ°¡Áö ¼·Î ´Ù¸¥ ¹æ¹ýÀ¸·Î Á¤ÀÇµÈ ½Ã°ø´Ü°èÇÏÁßÀº
ÈÄ󸮿¡¼ »ý¼ºµÇ´Â ÇÏÁßÁ¶ÇÕ¿¡ Â÷ÀÌ°¡ ÀÖ½À´Ï´Ù. Construction Stage Load(CS)
ŸÀÔÀ¸·Î Á¤ÀÇµÈ ÇÏÁßÀº ÈÄ󸮿¡¼ CSÇÏÁßÀÌ Ãß°¡·Î »ý¼ºµÇ°í, Á¤ÀûÇÏÁß(ST)ŸÀÔÀ¸·Î Á¤ÀÇµÈ ÇÏÁßÀº
CSÇÏÁß ÀÌ¿Ü¿Í STÇÏÁßÀÌ »ý¼ºµË´Ï´Ù.
ST Only : Á¤ÀûÇÏÁ߸¸À¸·Î ÇÏÁßÁ¶ÇÕ
CS Only : ½Ã°ø´Ü°èÇÏÁ߸¸À¸·Î ÇÏÁßÁ¶ÇÕ
ST + CS : Á¤ÀûÇÏÁß°ú ½Ã°ø´Ü°èÇÏÁßÀ»
¸ðµÎ Æ÷ÇÔÇÏ¿© ÇÏÁßÁ¶ÇÕ
ÇÏÁßÁ¶ÇÕÁ¶°ÇÀÇ
ÀÚµ¿»ý¼º±â´ÉÀÌ Áö¿øµÇ´Â ¼³°è±âÁØ
3.
Spread Sheet Çü½ÄÀÇ Å×ÀÌºí¿¡¼ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÔ·Â ¶Ç´Â ¼öÁ¤
ÇÏÁßÁ¶ÇÕÁ¶°Ç ´ëÈ»óÀÚ¿¡¼ ¹öÆ°À» Ŭ¸¯Çϸé, ´ÜÀ§ÇÏÁßÁ¶°Ç°ú
¸ÕÀú Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀÌ Å×À̺íÀÇ ÇàÀ¸·Î ³ª¿µÈ Spread Sheet Çü½ÄÀÇ Å×À̺í·Î ÀüȯµË´Ï´Ù.
¹æ¹ý 1¿¡¼ ¼³¸íµÈ Ç׸ñµéÀ» ÀÔ·ÂÇϰųª ¼öÁ¤ÇÏ¿© ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» Ãß°¡Çϰųª ¼öÁ¤ÇÕ´Ï´Ù.
4.
ÇÏÁßÁ¶ÇÕÁ¶°ÇÆÄÀÏ(fn.LCB)À» ºÒ·¯µé¿© ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» »ý¼º
ÇÏÁßÁ¶ÇÕ ´ëÈ»óÀÚÀÇ ¹öÆ°À» Ŭ¸¯Çϸé ÇÏÁßÁ¶ÇÕÁ¶°Ç
ÆÄÀÏÀ» ºÒ·¯¿Ã ¼ö ÀÖ´Â ¿±â ´ëÈ»óÀÚ°¡ ³ªÅ¸³³´Ï´Ù. ¹Ì¸® ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÔ·ÂÇØ µÐ ÆÄÀÏÀ» ¼±ÅÃÇÏ¿©
ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ºÒ·¯µéÀÔ´Ï´Ù.
fn.LCB
ÆÄÀÏÀÇ Çü½ÄÀº ´ÙÀ½°ú °°½À´Ï´Ù.
ÀϷùøÈ£, Á¶ÇÕ¹æ¹ý, ´ÜÀ§ÇÏÁßÁ¶°Ç i, ÇÏÁß°è¼ö
i, ´ÜÀ§ÇÏÁßÁ¶°Ç j, ÇÏÁß°è¼ö j, ..., ÇÏÁßÁ¶ÇÕÁ¶°Ç k, ÇÏÁß°è¼ö k, ÇÏÁßÁ¶ÇÕÁ¶°Ç l,
ÇÏÁß°è¼ö l
¿¹) 1, , 1, 1.0, 2, 1.0
2, , 1, 1.4, 2, 1.7
Á¶ÇÕ¹æ¹ý
ºóÄ, 0 : Add
1
: Envelope
2
: ABS
3
: SRSS
:
General ÅÇ¿¡¼ »ý¼ºµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ¸¶¿ì½º·Î ¼±ÅÃÇÑ ÈÄ,
¹öÆ°
¿ìÃø
¼±ÅÃâ¿¡¼ ¼³°èÅÇÀ» ¼±ÅÃÇÏ°í,
¹öÆ°À»
´©¸£¸é ¼±ÅÃÇÑ ÇÏÁßÁ¶ÇÕÁ¶°Ç¸¸ ÇØ´ç ¼³°èÅÇ¿¡ º¹Á¦µË´Ï´Ù. ÀÌ ±â´ÉÀº General ÅÇ¿¡¼¸¸ »ç¿ë °¡´ÉÇÕ´Ï´Ù.
: ÇöÀç
È°¼ºÈµÈ ÅÇ¿¡ »ý¼ºµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÅؽºÆ® ÆÄÀÏ(*.lcp)·Î Ãâ·ÂÇÕ´Ï´Ù.
ÀÌ¹Ì Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ»
¼öÁ¤ÇÒ °æ¿ì
ÇÏÁßÁ¶ÇÕÁ¶°Ç ¸ñ·ÏÇ¥¿¡¼ ¼öÁ¤À» ¿øÇÏ´Â ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ¼±ÅÃÇÏ°í ¼öÁ¤ÇÕ´Ï´Ù.
À̹Ì
Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» º¹Á¦ÇÒ °æ¿ì
ÇÏÁßÁ¶ÇÕÁ¶°Ç ¸ñ·ÏÇ¥¿¡¼ º¹Á¦¸¦ ¿øÇÏ´Â ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ¼±ÅÃÇÏ°í
¹öÆ°À» ´·¯ º¹Á¦ÇÕ´Ï´Ù.
À̹Ì
Á¤ÀÇµÈ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» »èÁ¦ÇÒ °æ¿ì
ÇÏÁßÁ¶ÇÕÁ¶°Ç ¸ñ·ÏÇ¥¿¡¼ »èÁ¦¸¦ ¿øÇÏ´Â ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ¼±ÅÃÇÏ°í Å°º¸µåÀÇ Å°¸¦ ´·¯ »èÁ¦ÇÕ´Ï´Ù. |