Combinations
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midas Civil ¿¡¼´Â ´ÙÀ½°ú °°Àº 4°¡Áö Á¾·ùÀÇ ÇÏÁßÁ¶ÇÕ ´ëÈ»óÀÚ ÅÇÀ» Á¦°øÇÕ´Ï´Ù.
General
Çؼ®°á°úÀÇ °ËÁõ ¶Ç´Â »ç¿ë¼º Æò°¡¸¦ À§ÇÑ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÔ·ÂÇÕ´Ï´Ù.
Steel Design
ö°ñºÎÀ縦 ö°ñ ¼³°è±âÁØ¿¡ µû¶ó ¼³°èÇϴµ¥ Àû¿ëµÉ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÔ·ÂÇÕ´Ï´Ù.
Concrete Design
RC ¹× PCºÎÀçÀÇ ÀÚµ¿¼³°è ¶Ç´Â °µµ°ËÁõ ±â´É¿¡ Àû¿ëÇÒ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÔ·ÂÇÕ´Ï´Ù.
SRC Design
ö°ñö±ÙÄÜÅ©¸®Æ® ÇÕ¼ººÎÀ縦 SRC³ª ö°ñö±ÙÄÜÅ©¸®Æ® ±¸Á¶°è»ê ±âÁØ¿¡ µû¶ó ¼³°èÇϴµ¥ Àû¿ëµÉ ÇÏÁßÁ¶ÇÕÁ¶°ÇÀ» ÀÔ·ÂÇÕ´Ï´Ù.
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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 ¼¼°¡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
Note
±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¤
Add : Çؼ®°á°úÀÇ ¼±Çü Á¶ÇÕ
L1 + L2 + ... + M1 + M2 + ... + S1 + S2 + ...+ R1 + R2 + ... + T + LCB1 + LCB2 + ... + ENV1 + ENV2 + ...
Envelope : °¢ Çؼ®°á°ú¿¡ ´ëÇÑ ÃÖ´ë(max), ÃÖ¼Ò(min) ¹× Àý´ë°ªÀÇ ÃÖ´ëÄ¡, General ÅÇ¿¡¼¸¸ Àû¿ëµÊ
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|, ...)
ABS : Çؼ® °á°úÀÇ Àý´ë°ªÀÇ ÇÕ
|L1| +| L2|+ ... + |M1| + |M2| + ... + |S1| + |S2| + ...+ |R1| + |R2| + ...+ |LCB1| + |LCB2| + ... + |ENV1| + |ENV2| + ...
SRSS : Çؼ®°á°úÀÇ SRSS(Square Root of Sum. of the Squares) Á¶ÇÕ
(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
Note
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.
ÇÏÁßÁ¶ÇÕ Type¿¡ µû¸¥ ÁÖÀÀ·Â ¹× À¯È¿ÀÀ·Â, ÃÖ´ëÀü´ÜÀÀ·Â °è»ê¹æ¹ý (»ó¼¼º¸±â)
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(1) Àû¿ë´ë»ó
(2) ¿¹Á¦ ÇÏÁßÁ¶°Ç/ÇÏÁßÁ¶ÇÕ
(3) CB1 ÀÀ·Â °è»ê ¹æ¹ý (ÀÏ¹Ý ÇÏÁßÁ¶°ÇÀ» Æ÷ÇÔÇÏ´Â Add ÇÏÁßÁ¶ÇÕ)
¢Ñ CB1 = LC1 + LC2
(4) ENV1 ÀÀ·Â °è»ê ¹æ¹ý (ÀÏ¹Ý ÇÏÁßÁ¶°Ç ¶Ç´Â Add ÇÏÁßÁ¶ÇÕÀ» Æ÷ÇÔÇÏ´Â Envelope ÇÏÁßÁ¶ÇÕ)
¢Ñ ENV1 = Envelope(LC2, LC3, LC4) ÁÖÀÀ·Â & Sig-EFF & Max-Shear: LC2, LC3, LC4ÀÇ ÁÖÀÀ·Â & Sig-EFF & Max-Shear ¿¡ ´ëÇÑ ÃÖ´ë, ÃÖ¼Ò, Àý´ë°ª Ãִ븦 Ãâ·Â.
(5) CB2 ÀÀ·Â °è»ê ¹æ¹ý (Envelope ÇÏÁßÁ¶ÇÕÀ» Æ÷ÇÔÇÑ Add ÇÏÁßÁ¶ÇÕ)
¢Ñ CB2_max = CB1+ENV1_max CB2_min = CB1+ENV1_min CB2_all = CB1+ENV1_all
(6) ENV2 ÀÀ·Â °è»ê ¹æ¹ý (Envelope ÇÏÁßÁ¶ÇÕÀ» Æ÷ÇÔÇÏ´Â Envelope ÇÏÁßÁ¶ÇÕ)
ENV1ÀÇ ÇÏÁßÁ¶ÇÕ °á°ú °è»ê ¹æ½Ä°ú À¯»çÇÕ´Ï´Ù.
¢Ñ ENV2_max = MAX[LC4, CB1, max(CB2)] ENV2_min = MIN[LC4, CB1, min(CB2)] ENV2_all = MAX[abs(LC4), abs(CB1), all(CB2)]
Note 2. envelopeÇÏÁßÁ¶ÇÕ ¶Ç´Â envelopeÇÏÁßÁ¶ÇÕÀ» Æ÷ÇÔÇÑ add ÇÏÁßÁ¶ÇÕÀÇ °á°ú¿¡¼ allÀÇ °á°ú´Â Àý´ë°ªÀÌ ÃÖ´ëÀÎ °ªÀ̸ç, Ãâ·Â½Ã¿¡ Àý´ë°ªÀ» Ãâ·ÂÇÒ °ÍÀÎÁö, ¶Ç´Â ÇØ´ç °ªÀÇ ½ÇÁ¦ ºÎÈ£¸¦ °í·ÁÇÑ °ªÀ» Ãâ·ÂÇÒ °ÍÀÎÁö´Â Preferences¿¡¼ »ç¿ëÀÚ°¡ ¼³Á¤ÇÒ¼ö ÀÖ½À´Ï´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.
Automatic Generation of Load Combinations ´ëÈ»óÀÚ
Option
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
Footing
Design Code : ÇÏÁßÁ¶ÇÕÁ¶°Ç ÀÚµ¿»ý¼º¿¡ Àû¿ëÇÒ ¼³°è±âÁØÀ» ¼±ÅÃ
AASHTO-Std2K : AASHTO Standard Specifications for Highway Bridges : 2000 Interim Revisions, 1996 16th Edition (»ó¼¼º¸±â)
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Service Load Design(»ç¿ëÇÏÁß¼³°è¹ý) Condition for Earth Pressure Factor : Åä¾ÐÇÏÁß°è¼ö Á¶°Ç Rigid Frames : °¼º »À´ë±¸Á¶ ¼öÆòÅä¾ÐÇÏÁß°è¼ö : 1 ¿¬Á÷Åä¾ÐÇÏÁß°è¼ö : 1 Culverts : ¾Ï°Å »ç¿ëÀÚ°¡ Á÷Á¢ ÀԷ°¡´ÉÇÔ All Other Structures :°¼º »À´ë±¸Á¶¿Í ¾Ï°ÅÀÌ¿ÜÀÇ ¸ðµç ±¸Á¶¹° ¼öÆòÅä¾ÐÇÏÁß°è¼ö : 1 ¿¬Á÷Åä¾ÐÇÏÁß°è¼ö : 1 Earth Pressure Factor for Culverts : ¾Ï°ÅÀÎ °æ¿ì »ç¿ëÀÚ°¡ Åä¾ÐÇÏÁß°è¼ö¸¦ Á÷Á¢ ÀÔ·Â Lateral : ¼öÆòÅä¾ÐÇÏÁß°è¼ö Vertical : ¿¬Á÷Åä¾ÐÇÏÁß°è¼ö Load Factor Design : ÇÏÁß°è¼ö¼³°è¹ý Condition for Earth Pressure Factor : Åä¾Ð°è¼ö Á¶°Ç Lateral Earth Pressure for Retaining Walls and Rigid Frames Excluding Rigid Culverts :1.3 Àû¿ë, °¼º¾Ï°Å ÀÌ¿ÜÀÇ °¼º±¸Á¶ ¹× ¿Ëº®¿¡ ÀÛ¿ëÇÏ´Â ¼öÆòÅä¾Ð Lateral at-Rest Earth Pressure :1.15 Àû¿ë, ¼öÆòÁ¤ÁöÅä¾Ð Lateral Earth Pressure for Checking Positive Moments in Rigid Frames :0.5 Àû¿ë, °¼º±¸Á¶ÀÇ Á¤¸ð¸àÆ® °ËÅä½ÃÀÇ ¼öÆòÅä¾Ð Rigid Culverts :1.0 Àû¿ë, °¼º ¾Ï°Å Flexible Culverts : 1.5 Àû¿ë, ¿¬¼º ¾Ï°Å Note Condition for Dead Load Factor : »çÇÏÁß°è¼ö Á¶°Ç Checking for Minimum Axial Load and Maximum Moment or Maximum Eccentricity :0.75 Àû¿ë, ÃÖ¼Ò Ãà·Â ¹× ÃÖ´ë ¸ð¸àÆ® ¶Ç´Â ÃÖ´ë Æí½É °ËÅä Checking for Maximum Axial Load and Minimum Moment :1.0 Àû¿ë, ÃÖ´ë Ãà·Â ¹× ÃÖ¼Ò ¸ð¸àÆ® °ËÅä Flexural and Tension Members :1.0 Àû¿ë, ÈÚ ¶Ç´Â ÀÎÀåºÎÀç |
AASHTO-LRFD02 : AASHTO LRFD Bridge Design Specifications, 2002 (»ó¼¼º¸±â)
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Load Modifier : ÇÏÁß¼öÁ¤°è¼ö Load Factors for Permanent Loads(Yp) Component and Attachments : ±¸Á¶ºÎÀç¿Í ºñ±¸Á¶Àû ºÎÂø¹° Downdrag : ¸»¶ÒºÎ ¸¶Âû·Â Wearing Surfaces and Utilities : Æ÷Àå°ú ½Ã¼³¹° Horizontal Earth Pressure :¼öÆòÅä¾Ð Active : ÁÖµ¿Åä¾Ð At-Rest :Á¤ÁöÅä¾Ð Vertical Earth Pressure : ¼öÁ÷Åä¾Ð Overall Stability : ±¸Á¶¾ÈÁ¤ Retaining Walls. Abutments : ¿Ëº® Rigid Buried Structure : °¼º ¸Å¼³±¸Á¶ Rigid Frames : °¼º »À´ë±¸Á¶ Flexible Buried Structures(Non Metal Box Culverts) : °¹Ú½º¾Ï°Å ÀÌ¿ÜÀÇ ¿¬¼º ¸Å¼³±¸Á¶ Flexible Metal Box Culverts : ¿¬¼º °¹Ú½º ¾Ï°Å Earth Surcharge : »óÀç ÅäÇÏÁß Load Factor for Settlement : ÁöÁ¡Ä§ÇÏ ÇÏÁßÁ¶°ÇÀÇ ÇÏÁß°è¼ö Structural Plate Box Structures(Metal Box Culverts) : °¹Ú½º ¾Ï°ÅÀÇ ¿©ºÎ Condition for Temperature, Creep, Shrinkage Factor : ¿Âµµº¯È, Å©¸®ÇÁ, °ÇÁ¶¼öÃàÀÇ ÇÏÁß°è¼ö ¼±Á¤À» À§ÇÑ Á¶°Ç Deformation Check : º¯Çü °ËÅä½Ã All Other Effects : º¯Çü ÀÌ¿Ü °ËÅä½Ã |
JTJ021-89 : Áß±¹ µµ·Î±³ÇÔ ¼³°èÅë¿ë±Ô¹ü (»ó¼¼º¸±â)
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Trailer or Crawler Moving Load Cases À̵¿ÇÏÁß¿¡ Àû¿ëÇÑ Â÷·®ÀÌ Æ®·¹ÀÏ·¯ ¶Ç´Â ¹«Çѱ¥µµ °°ÀÌ ÀÏ¹Ý Æ®·°ÇÏÁß°ú ´Ù¸¥ °æ¿ì ÇØ´çµÇ´Â À̵¿ÇÏÁß°æ¿ì¸¦ ¼±ÅÃÇÕ´Ï´Ù. Trailer or Crawler Moving Load Case·Î ÁöÁ¤µÈ À̵¿ÇÏÁß°æ¿ì´Â ´Ù¸¥ ÇÏÁß°è¼ö°¡ Àû¿ëµÇ¾î ÇÏÁßÁ¶ÇÕÀ» »ý¼ºÇÕ´Ï´Ù. Curved Bridge for Reduction of Braking Load ¸ðµ¨¸µµÈ ±³·®ÀÌ °î¼±±³ÀÎÁö¸¦ ÁöÁ¤ÇÕ´Ï´Ù. °î¼±±³ÀÏ °æ¿ì Á¦µ¿ÇÏÁß¿¡ ´ëÇÑ °¨¼Ò°è¼ö(0.7)¸¦ Àû¿ëÇÕ´Ï´Ù. |
CJJ77-98 : Áß±¹ µµ½Ã±³·®¼³°è ÇÏÁßÇ¥ÁØ
KRTA-BRG2K : Çѱ¹µµ·Î±³ÅëÇùȸ µµ·Î±³¼³°è±âÁØ (»ó¼¼º¸±â)
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(1.3*D)+(2.15*(L+LR))+(1.3*CF)+(1.7*EP)+(1.3*(B+WP+WPR+SF)) (1.3*D)+(1.3*(L+LR))+(1.3*CF)+(1.7*EP)+(1.3*(B+WP+WPR+SF))+(1.3*(STL+CR+SH+T)) (1.3*D)+(1.3*(L+LR))+(1.3*CF)+(1.7*EP)+(1.3*(B+WP+WPR+SF))+(1.3*CO) (1.3*D)+(1.7*EP)+(1.3*(B+WP+WPR))+(1.3*W) (1.25*D)+(1.65*EP)+(1.25*(B+WP+WPR))+(1.25*W)+(1.25*(B+WP+WPR+SF)) (1.2*D)+(1.55*EP)+(1.2*(B+WP+WPR))+(1.2*W)+(1.2*CO) (1.3*D)+(1.3*(L+LR))+(1.3*CF)+(1.7*EP)+(1.3*(B+WP+WPR+SF))+(1.3*(0.5W+WL+BK)) (1.25*D)+(1.25*(L+LR))+(1.25*CF)+(1.65*EP)+(1.25*(B+WP+WPR+SF))+(1.25*(0.5W+WL+BK))+(1.25*(STL+CR+SH+T)) 1.0*(D+EP+(B+WP+WPR+SF)+E |
KSCE-USD96 : ´ëÇÑÅä¸ñÇÐȸ ÄÜÅ©¸®Æ®Ç¥ÁØ½Ã¹æ¼ (»ó¼¼º¸±â)
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(1.5*D)+(1.8*(L+LR)) (1.125*D)+(1.35*(L+LR))+(1.35*W) (0.9*D)+(1.4*W) (1.125*D)+(1.35*(L+LR))+(1.35*Esp) (1.125*D)+(1.35*(L+LR))+(1.35*E) (0.9*D)+(1.4*E) (1.125*D)+(1.35*(L+LR))+(1.125*T) (1.5*D)+(1.5*T) (1.5*D)+(1.8*(L+LR))+(1.8*EP) (0.9*D)+(1.8*(L+LR))+(1.8*EP) (0.9*D)+(1.8*EP) (1.5*D)+(1.8*EP) (1.5*D)+(1.8*(L+LR))+(1.8*WP) (0.9*D)+(1.8*(L+LR))+(1.8*WP) (0.9*D)+(1.8*WP) (1.5*D)+(1.8*WP) (1.5*D)+(1.8*(L+LR))+(1.8*(EP+WP)) (0.9*D)+(1.8*(L+LR))+(1.8*(EP+WP)) (0.9*D)+(1.8*(EP+WP)) (1.5*D)+(1.8*(EP+WP)) (1.125*D)+(1.35*(L+LR))+(1.125*SH) (1.5*D)+(1.5*SH) (1.125*D)+(1.35*(L+LR))+(1.125*CR) (1.5*D)+(1.5*CR) |
KCI-USD99 : Çѱ¹ ÄÜÅ©¸®Æ®ÇÐȸ ÄÜÅ©¸®Æ® ±¸Á¶¼³°è±âÁØ (»ó¼¼º¸±â)
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(1.4*D)+(1.7*(L+LR)) (1.05*D)+(1.275*(L+LR))+(1.275*W) (0.9*D)+(1.3*W) (1.05*D)+(1.275*W) (1.05*D)+(1.275*(L+LR))+(1.35*E) (0.9*D)+(1.4*E) (1.05*D)+(1.35*E) (1.05*D)+(1.275*(L+LR))+(1.35*Esp) (1.05*D)+(1.275*(L+LR))+(1.125*T) (1.4*D)+(1.5*T) (1.4*D)+(1.7*(L+LR))+(1.8*EP) (0.9*D)+(1.7*(L+LR))+(1.8*EP) (0.9*D)+(1.8*EP) (1.4*D)+(1.8*EP) (1.4*D)+(1.7*(L+LR))+(1.8*WP) (0.9*D)+(1.7*(L+LR))+(1.8*WP) (0.9*D)+(1.8*WP) (1.4*D)+(1.8*WP) (1.4*D)+(1.7*(L+LR))+(1.8*(EP+WP)) (0.9*D)+(1.7*(L+LR))+(1.8*(EP+WP)) (0.9*D)+(1.8*(EP+WP)) (1.4*D)+(1.8*(EP+WP)) (1.05*D)+(1.275*(L+LR))+(1.125*SH) (1.4*D)+(1.5*SH) (1.05*D)+(1.275*(L+LR))+(1.125*CR) (1.4*D)+(1.5*CR) |
AASHTO-Std2K : AASHTO Standard Specifications for Highway Bridges : 2000 Interim Revisions, 1996 16th Edition (»ó¼¼º¸±â)
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For Service Load Design ¥âE = 1.0 for vertical and lateral loads on all other structures
For Load Factor Design ¥âE = 1.3 for lateral earth pressure for retaining walls and rigid frames excluding rigid culverts. For lateral at-rest earth pressure, ¥âE =1.15 ¥âE = 0.5 for lateral earth pressure when checking positive moments in rigid frames ¥âE = 1.0 for vertical earth pressure ¥âD = 0.75 when checking member for minimum axial load and maximum moment or maximum eccentricity ¥âD = 1.0 when checking member for maximum axial Column load and minimum moment ¥âD = 1.0 for flexural and tension members ¥âE = 1.0 for Rigid Culverts ¥âE = 1.5 for Flexible Culverts |
AASHTO-LRFD02 : AASHTO LRFD Bridge Design Specifications : 2002 (»ó¼¼º¸±â)
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Load and Resistance Factor Design Total factored force : ÇÏÁß¼öÁ¤°è¼ö(load modifier) User Input, default : 1..0)
TU, CR, SHÀÇ ÇÏÁß°è¼ö : Å«°ª - deformation °ËÅä½Ã, ÀÛÀº°ª - deformation ÀÌ¿ÜÀÇ ¸ðµç °æ¿ì °ËÅä½Ã TG : 1.0 : when live load is not considered, 0.5 : when live load is considered SE :YSE: project specific basis Structural Plate Box Structures(metal box culverts) LL, IM factors : 2.0
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JTJ021-89 : Áß±¹ µµ·Î±³ÇÔ ¼³°èÅë¿ë±Ô¹ü (»ó¼¼º¸±â)
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Load Combination Type 1 : ¿µ±¸ÇÏÁß + ±âº»°¡º¯ÇÏÁß(ÆòÆÇ°úÂ÷ ¿©´ëÂ÷ Á¦¿Ü) Type 2 : ¿µ±¸ÇÏÁß + ±âº»°¡º¯ÇÏÁß(ÆòÆÇ°úÂ÷ ¿©´ëÂ÷ Á¦¿Ü) + ±âŸ°¡º¯ÇÏÁß Type 3 : ±¸Á¶Áß·Â(D) + ÆòÆÇ°úÂ÷ ¶Ç´Â ¿©´ëÂ÷ + Prestress(PS) + ÅäÁß·Â ¹× Åä¾Ð(EP) Type 4 : ¿µ±¸ÇÏÁß + ±âº»°¡º¯ÇÏÁß(ÆòÆÇ°úÂ÷ ¿©´ëÂ÷ Á¦¿Ü) + ¼±¹Ú ¶Ç´Â Ç¥·ù¹° Ãæ°Ý·Â(CO) Type 5 : ½Ã°ø´Ü°è ÇÏÁßÁ¶ÇÕ(CS) Type 6 : ±¸Á¶Áß·Â(D) + Prestress(PS) + ÅäÁß·Â ¹× Åä¾Ð(EP) + ÁöÁøÇÏÁß(E, RES) ÇÏÁߺзù
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CJJ77-98 : Áß±¹ µµ½Ã±³·®¼³°è ÇÏÁßÇ¥ÁØ (»ó¼¼º¸±â)
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Load Combination Type 1 : ¿µ±¸ÇÏÁß + ±âº»°¡º¯ÇÏÁß Type 2 : ¿µ±¸ÇÏÁß + ±âº»°¡º¯ÇÏÁß + ±âŸ°¡º¯ÇÏÁß Type 3 : ¿µ±¸ÇÏÁß + ±âº»°¡º¯ÇÏÁß + ¼±¹Ú ¶Ç´Â Ç¥·ù¹° Ãæ°Ý·Â(CO) Type 4 : ±¸Á¶Áß·Â(D) + Prestress(PS) + ÅäÁß·Â ¹× Åä¾Ð(EP) + ÁöÁøÇÏÁß(E, RES) ±âº»°¡º¯ÇÏÁß : [(L+IL)+CF+VEP+CRL], [M+CF+VEP+CRL] ¿µ±¸ÇÏÁß : [D+PS+EP+SH+CR+STL+SM+B] ±âŸ°¡º¯ÇÏÁß : [W+BRK+WP+FP+SF+WPR+IP+T+TPG+FS] ¿ì¿¬ÇÏÁß : [E, CO] Note
ÇÏÁß ºÐ·ù
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IRC : 6-2000 : Àεµ±¹°¡Ç¥ÁØ Ã¶±Ù ÄÜÅ©¸®Æ® ¼³°è±âÁØ (»ó¼¼º¸±â)
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Conditions of Load Combinations : ÇÏÁßÁ¶ÇÕÁ¶°Ç »ý¼º½Ã °µµÁ¶°Ç ÀÌ¿Ü¿¡ »ç¿ë¼ºÀ̳ª ½Ã°ø´Ü°è °ü·Ã ÇÏÁßÁ¶ÇÕÁ¶°ÇÀÇ »ý¼º¿©ºÎ ÁöÁ¤ Consider Service Condition : »ç¿ë¼º°ü·Ã ÇÏÁßÁ¶ÇÕÁ¶°Ç Ãß°¡ »ý¼º Consider Construction Condition : ½Ã°ø´Ü°è °ü·Ã ÇÏÁßÁ¶ÇÕÁ¶°Ç Ãß°¡ »ý¼º |
JSCE 02 : ÀϺ» Åä¸ñÇÐȸ 2002 (»ó¼¼º¸±â)
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Manipulation of Construction Stage Load Case ½Ã°ø´Ü°è¿Í ¿Ï¼º´Ü°èÀÇ ÇÏÁßÁ¶°ÇÀ» Á¶ÇÕÇÏ´Â ÇüŸ¦ ¼±ÅÃÇÕ´Ï´Ù. ST Only: ¿Ï¼º´Ü°èÀÇ ÇÏÁßÁ¶°Ç¸¸ ÇÏÁßÁ¶ÇÕ¿¡ ¹Ý¿µ CS Only : ½Ã°ø´Ü°èÀÇ ÇÏÁßÁ¶°Ç¸¸ ÇÏÁßÁ¶ÇÕ¿¡ ¹Ý¿µ ST + CS : ¿Ï¼º´Ü°è¿Í ½Ã°ø´Ü°èÀÇ ÇÏÁßÁ¶°ÇÀ» ¸ðµÎ ÇÏÁßÁ¶ÇÕ¿¡ ¹Ý¿µ
Condition of Load Combination Type 7°³ÀÇ ÇÏÁßÁ¶ÇÕ Ç׸ñ Áß¿¡¼ ¿øÇÏ´Â Ç׸ñÀ» ¼±ÅÃÇÕ´Ï´Ù. °¢ Ç׸ñÀ» ¼±ÅÃÇßÀ» ¶§ »ý¼ºµÇ´Â ÇÏÁßÁ¶ÇÕÀÇ ³»¿ëÀº ´ÙÀ½°ú °°½À´Ï´Ù.
¹®ÀڷΠǥ½ÃµÈ ÇÏÁßÁ¶°ÇÀº ´ÙÀ½°ú °°½À´Ï´Ù. D £ºDead PS-P£ºPrestress ( Primary ) PS-S£ºPrestress ( Secondary ) CR+SH£ºCreep & Shrinkage ( Secondary ) SD £ºSpecified Displacement L £ºLive ( Moving load + Impact load + Crowd Load ) T £ºTemperature ( Secondary ) SW£ºSnow EQ £ºEarthquake
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JTG D60-04 : Áß±¹ 2004 (»ó¼¼º¸±â)
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Condition of Load Combination Type ½Ã°ø´Ü°è¿Í ¿Ï¼º´Ü°èÀÇ ÇÏÁßÁ¶°ÇÀ» Á¶ÇÕÇÏ´Â ÇüŸ¦ ¼±ÅÃÇÕ´Ï´Ù. Load Carrying Capacity Extreme State : ÀçÇÏ´É·Â ±ØÇÑ»óÅ Basic : ¿ì¿¬ÇÏÁß Á¦¿Ü Accidental : ¿ì¿¬ÇÏÁß Æ÷ÇÔ Normal Operational Use Extreme State : Á¤»ó»ç¿ë ±ØÇÑ»óÅ Elastic Stage : ź¼º´Ü°è
JTG D60-2004 ±âÁØÀ» ÀÌ¿ëÇÏ¿© ÇÏÁßÁ¶ÇÕÀ» »ý¼ºÇÏ´Â °æ¿ì ÇÏÁßÁ¶ÇÕ ÀÔ·Ââ¿¡ ź¼º´Ü°è üũ¿©ºÎ¸¦ Ç¥½ÃÇÏ´Â ¿ÀÌ Ãß°¡µÇ¸ç, Serviceability·Î ¼±ÅÃµÈ ÇÏÁßÁ¶ÇÕ Áß¿¡¼ ź¼º´Ü°è¿¡ üũ°¡ µÈ ÇÏÁßÁ¶ÇÕ¿¡ ´ëÇؼ´Â »ç¿ë¼º °ËÅä ´ë½Å ź¼º´Ü°è °ËÅä°¡ ¼öÇàµÈ´Ù.
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Manipulation of Construction Stage Load Case
Load Case Á¤Àǽà ½Ã°ø´Ü°è¿¡ Æ÷ÇԵǴ 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
Note
ÇÏÁßÁ¶ÇÕÁ¶°ÇÀÇ ÀÚµ¿»ý¼º±â´ÉÀÌ Áö¿øµÇ´Â ¼³°è±âÁØ(»ó¼¼º¸±â)
1. Steel
AASHTO-Std2K (AASHTO Standard Specifications for Highway Bridges : 2000 Interim Revisions,1996 16th Edition)
AASHTO-Std2K (AASHTO Standard Specifications for Highway Bridges : 2000 Interim Revisions,1996 16th Edition)
AASHTO-LRFD02 (American Association of State Highway and Transportation Officials,LRFD Bridge Design Specification Section 6, Steel tructures, 2002)
¹Ì±¹ °±¸Á¶Çùȸ ÇÏÁßÀúÇ×°è¼ö¼³°è¹ý(AISC-LRFD2K, Load & Resistance Factor Design Specification for Structural Steel Buildings, 2000)
¹Ì±¹ °±¸Á¶Çùȸ ÇÏÁßÀúÇ×°è¼ö¼³°è¹ý(AISC-LRFD93, Load & Resistance Factor Design Specification for Structural Steel Buildings, 1993)
¹Ì±¹ °±¸Á¶Çùȸ °±¸Á¶ Çã¿ëÀÀ·Â¼³°è¹ý(AISC-ASD89, Specification for Structural Steel Buildings : Allowable Stress Design,1989)
Áß±¹ µµ·Î±³ÇÔ ¼³°è¹ý (JTJ021-89, Jiao Tong bu Jian she bia zhun, Specifications for Design of Steel Struecture, 1989)
Áß±¹ µµ½Ã±³·®¼³°è ÇÏÁßÇ¥ÁØ (CJJ77-98, Jiao Tong bu Jian she bia zhun, Specifications for Design of Steel Struecture, 1998)
´ë¸¸ µµ½Ã±³·®¼³°è ±Ô¹ü (Taiwan, ÍëÖØÎéÕÙàâͪЮÛô ð¯ø¢íñ : ˼̿ϰàâͪ, ÎßÐü(90))
2. Concrete
ÀϺ» Åä¸ñÇÐȸ 2002 (JSCE 02)
Çѱ¹µµ·Î±³ÅëÇùȸ µµ·Î±³¼³°è±âÁØ (KRTA-BRG2K)
´ëÇÑÅä¸ñÇÐȸ ÄÜÅ©¸®Æ®Ç¥Áؽùæ¼(KSCE-USD96, ±ØÇÑ°µµ¼³°è¹ý, 1996)
Çѱ¹ ÄÜÅ©¸®Æ®ÇÐȸ ÄÜÅ©¸®Æ® ±¸Á¶¼³°è±âÁØ(KCI-USD99, °µµ¼³°è¹ý, 1999)
AASHTO-Std2K (AASHTO Standard Specifications for Highway Bridges : 2000 Interim Revisions,1996 16th Edition)
AASHTO-LRFD02 (American Association of State Highway and Transportation Officials,LRFD Bridge Design Specification Section 5, Concrete Structures, 2002)
¹Ì±¹ ÄÜÅ©¸®Æ®ÇÐȸ ö±ÙÄÜÅ©¸®Æ® ±¸Á¶¼³°è±ÔÁØ(ACI318-02, Building Code Requirements for Reinforced Concrete, 2002)
Áß±¹ µµ·Î±³ÇÔ ¼³°è¹ý (JTJ021-89, Jiao Tong bu Jian she bia zhun, Specifications for Design of Steel Struecture, 1989)
Áß±¹ µµ½Ã±³·®¼³°è ÇÏÁßÇ¥ÁØ (CJJ77-98, Jiao Tong bu Jian she bia zhun, Specifications for Design of Steel Struecture, 1998)
Àεµ±¹°¡Ç¥ÁØ Ã¶±ÙÄÜÅ©¸®Æ® ¼³°è±âÁØ(IRC:6-2000, Indian Standard, Plain and Reinforced Concrete Code of Practice (Fourth Revision), 2000)
´ë¸¸ µµ½Ã±³·®¼³°è ±Ô¹ü (Taiwan, ÍëÖØÎéÕÙàâͪЮÛô ð¯ø¢íñ : ˼̿ϰàâͪ, ÎßÐü(90))
Áß±¹ ±³ÅëºÎ µµ·ÎÇ¥ÁØ (JTG D60-2004, Jiao Tongbu Gong Lu Biao Zhun, 2004)
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
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