Korean Standard(µµ·Î±³ ¼³°è±âÁØ / ÄÜÅ©¸®Æ® ¼³°è±âÁØ)
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Type of cement : ½Ã¸àÆ® Á¾·ù
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
: ÀÚµ¿°è»êµÈ ½Ã°£ÀÇÁ¸Àû Àç·áƯ¼ºÀ» ±×·¡ÇÁ Çü½ÄÀ¸·Î Ãâ·ÂÇÕ´Ï´Ù.
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CEB-FIP (1990)
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Type of cement : ½Ã¸àÆ® Á¾·ù
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
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CEB-FIP (1978)
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40 - 100) : ¿Ü±â ½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Type of cement : ½Ã¸àÆ® Á¾·ù
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
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ACI
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Volume-surface ratio : üÀû-Ç¥¸éÀû ºñ
Age of concrete at the beginning of shrinkage : °ÇÁ¶¼öÃàÀÌ ½ÃÀ۵Ǵ ½Ã±âÀÇ ÄÜÅ©¸®Æ® Àç·É
Init. Curing method : Ãʱ⠾ç»ý ¹æ¹ý
moist cure : ½ÀÀ±¾ç»ý
steam cure : Áõ±â¾ç»ý
Concrete Compressive Strength Factor (a,b) : ½Ã¸àÆ® Á¾·ù¿¡ µû¸¥ ÄÜÅ©¸®Æ®ÀÇ ¾ÐÃà°µµ °è¼ö
Material factored ultimate value : ÄÜÅ©¸®Æ®ÀÇ Æ¯¼ºÀ» ¹Ý¿µÇÑ ±ØÇÑ »ó¼ö¸¦, ACI Code¿¡ µû¶ó °è»êÇϵµ·Ï Çϰųª »ç¿ëÀÚ°¡ Á÷Á¢ Á¤ÀÇÇÕ´Ï´Ù.
Type
ACI Code¸¦ ¼±ÅÃÇÑ °æ¿ì
Slump : ÄÜÅ©¸®Æ® ½½·³ÇÁ °ª
Fine aggregate percentage : ÀܰñÀçÀ²
Air content : °ø±â·®
Cement content : ½Ã¸àÆ®·®
User¸¦ ¼±ÅÃÇÑ °æ¿ì
Material factored ultimate creep coefficient (1.3 ~ 4.15) : ÄÜÅ©¸®Æ®ÀÇ Æ¯¼ºÀÌ ¹Ý¿µµÈ ±ØÇÑ Å©¸®ÇÁ °è¼ö
Material factored ultimate shrinkage strain : ÄÜÅ©¸®Æ®ÀÇ Æ¯¼ºÀÌ ¹Ý¿µµÈ ±ØÇÑ °ÇÁ¶¼öÃà º¯Çüµµ
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PCA
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Compressive strength of concrete at the age of 28 days(fc) : 28ÀÏ ¾ÐÃà°µµ
Ultimate shrinkage strain : ±ØÇÑ °ÇÁ¶¼öÃà º¯Çüµµ
Ultimate creep strain : ±ØÇÑ Å©¸®ÇÁ º¯Çüµµ
Relative Humidity of ambient environment : ¿Ü±â »ó´ë½Àµµ
Volumn-surface Ratio(v/s) : üÀû-Ç¥¸éÀûºñ
Reinforcement ratio of cross section of column segment : ±âµÕÀÇ Ã¶±Ùºñ
Modulus of elasticity of Steel : ö±ÙÀÇ Åº¼º°è¼ö
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Combined (ACI & PCA)
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Compressive strength of concrete at the age of 28 days(fc) : 28ÀÏ ¾ÐÃà°µµ
Ultimate shrinkage strain : ±ØÇÑ °ÇÁ¶¼öÃà º¯Çüµµ
Ultimate creep strain : ±ØÇÑ Å©¸®ÇÁ º¯Çüµµ
Relative Humidity of ambient environment : ¿Ü±â »ó´ë½Àµµ
Volumn-surface Ratio(v/s) : üÀû-Ç¥¸éÀûºñ
Reinforcement ratio of cross section of column segment : ±âµÕÀÇ Ã¶±Ùºñ
Modulus of elasticity of Steel : ö±ÙÀÇ Åº¼º°è¼ö
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Combined (ACI & PCA)
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Compressive strength of concrete at the age of 28 days(fc) : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment : ¿Ü±â »ó´ë½Àµµ
Volumn-surface Ratio(v/s) : üÀû-Ç¥¸éÀûºñ
Creep
Material factored ultimate creep strain : ÄÜÅ©¸®Æ®ÀÇ Æ¯¼ºÀÌ ¹Ý¿µµÈ ±ØÇÑ Å©¸®ÇÁ º¯Çüµµ
Volumn-surface Ratio : üÀû-Ç¥¸éÀûºñÀÇ °è»ê¹æ¹ý
Loading aged factored (t : loading age) : Àç·É°è¼öÀÇ °è»ê¹æ¹ý
Shrinkage
Material factored ultimate creep strain : ÄÜÅ©¸®Æ®ÀÇ Æ¯¼ºÀÌ ¹Ý¿µµÈ ±ØÇÑ Å©¸®ÇÁ º¯Çüµµ
Volumn-surface Ratio : üÀû-Ç¥¸éÀûºñÀÇ °è»ê¹æ¹ý
Progress of shrinkage with Time : ½Ã°£ÀÇ °æ°ú¿¡ µû¸¥ °ÇÁ¶¼öÃàÀÇ ÁøÇà
Reinforced concrete effect by PCA
Reinforcement ratio of cross section of column segment : ±âµÕÀÇ Ã¶±Ùºñ
Modulus of elasticity of Steel : ö±ÙÀÇ Åº¼º°è¼ö
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Japanese Standard
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Curving Underwater : ¼öÁß¾ç»ý
Relative Humidity(40~90) : »ó´ë½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Type of cement : ½Ã¸àÆ® Á¾·ù
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
: ÀÚµ¿°è»êµÈ ½Ã°£ÀÇÁ¸Àû Àç·áƯ¼ºÀ» ±×·¡ÇÁ Çü½ÄÀ¸·Î Ãâ·ÂÇÕ´Ï´Ù.
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JAPAN(JSCE)
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Elastic modulus of concrete at the age of 28 days : 28ÀÏ Åº¼º°è¼ö
Relative Humidity of ambient environment(40-80) : ¿Ü±â ½Àµµ
Volume-surface Ratio(v/s) : üÀû-Ç¥¸éÀûºñ
Cement content (260 kg/m^3 ~ 500 kg/m^3) : ´ÜÀ§Ã¼Àû´ç »ç¿ëÇÑ ½Ã¸àÆ® ·®
Water content (130 kg/m^3 ~ 230 kg/m^3) : ´ÜÀ§Ã¼Àû´ç »ç¿ëÇÑ ¹° ·®
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
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CHINA
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Curving Underwater : ¼öÁß¾ç»ý
Relative Humidity(40~90) : »ó´ë½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Type of cement : ½Ã¸àÆ® Á¾·ù
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
: ÀÚµ¿°è»êµÈ ½Ã°£ÀÇÁ¸Àû Àç·áƯ¼ºÀ» ±×·¡ÇÁ Çü½ÄÀ¸·Î Ãâ·ÂÇÕ´Ï´Ù.
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China (JTG D62-2004)
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Compressive strength of concrete at the age of 28 days(fcu,k) : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Cement Type Coefficient (Bsc) : ½Ã¸àÆ® Á¾·ù¿¡ µû¸¥ °è¼ö
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
: ÀÚµ¿°è»êµÈ ½Ã°£ÀÇÁ¸Àû Àç·áƯ¼ºÀ» ±×·¡ÇÁ Çü½ÄÀ¸·Î Ãâ·ÂÇÕ´Ï´Ù.
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AASHTO
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Volume-surface ratio : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
Expose to drying before 5 Days of curing : AASHTO Shrinkage and Creep 5.4.2.3 ¿¡ µû¶ó Creep&ShrinkageÀÇ ¿µÇâÀ» 20% Áõ°¡½Ãŵ´Ï´Ù.
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INDIA (IRC:18-2000)
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Compressive strength of concrete at the age of 28 days : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment(40-99) : ¿Ü±â ½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
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European
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Characteristic compressive cylinder strength of concrete at the age of 28 days (fck) : 28ÀÏ ¾ÐÃà°µµ
Relative Humidity of ambient environment (40-99) : ¿Ü±â ½Àµµ
Notational size of member : ±¸Á¶¹°ÀÇ ±âÇÏÇü»ó Ä¡¼ö

1. ´Ü¸éº¯È·Î ÀÎÇØ ¿ä¼Òº°·Î "h" °ªÀÌ ´Ù¸¥ °æ¿ì¿¡´Â Change Element Dependent Material Property ¿¡¼ ¿ä¼Òº° "h"¸¦ ÀÔ·ÂÇÑ´Ù.
2. ½Ã°ø´Ü°è ÇÕ¼º´Ü¸éÀ» »ç¿ëÇÑ °æ¿ì¿¡´Â Composite Section for Construction Stage ¿¡¼ ÆÄÆ®º° "h" °ªÀ» Á÷Á¢ ÀÔ·ÂÇØ¾ß ÇÑ´Ù.
Type of Cement : ½Ã¸àÆ® Á¾·ù
Type of Code : ±¸Á¶¹° Á¾·ù (ºôµùÀ» Æ÷ÇÔÇÑ ÀÏ¹Ý ÄÜÅ©¸®Æ® ±¸Á¶¹° / ÄÜÅ©¸®Æ® ±³·®)
Age of concrete at the beginning of shrinkage : Ÿ¼³ÈÄ °ÇÁ¶¼öÃà ½ÃÀÛ ½Ã°£
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User Defined
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½Ã°£ÀÇ È帧¿¡ µû¸¥ Àç·áÀÇ Æ¯¼ºÀ» Time Dependent Material(Creep/Shrinkage) Function¿¡¼ ÇÔ¼ö¸¦ »ç¿ëÀÚ°¡ Á÷Á¢ Á¤ÀÇÇÏ¿© Àû¿ëÇÏ´Â ¹æ¹ýÀÔ´Ï´Ù.
Creep Function
Àû¿ëÇÒ Å©¸®ÇÁ ÇÔ¼ö¸¦ ¼±ÅÃÇÕ´Ï´Ù. Á¤ÀÇµÈ Å©¸®ÇÁ ÇÔ¼ö°¡ ¾ø´Â °æ¿ì³ª ¹Ì¸® Á¤ÀÇµÈ ÇÔ¼ö¸¦ ¼öÁ¤ÇÏ´Â °æ¿ì´Â ¸¦ Ŭ¸¯ÇÏ¿© "Time Dependent Material(Creep/Shrinkage) Function" ´ëÈ»óÀÚ¸¦ È£ÃâÇÕ´Ï´Ù.
Loading Age : ÇØ´çÀç·áÀÇ ºÎÀç¿¡ ÇÏÁßÀÌ ÀçÇϵDZ⠽ÃÀÛÇÒ ¶§ ºÎÀçÀÇ Àç·É
: Á¤ÀÇÇÑ Å©¸®ÇÁ ÇÔ¼ö¿¡ Loading Age¸¦ Àû¿ëÇÏ¿© ¸ñ·Ï¿¡ µî·ÏÇÕ´Ï´Ù.
: µî·ÏµÈ Å©¸®ÇÁ ÇÔ¼ö¿¡ Àû¿ëµÉ Loading Age¸¦ ¼öÁ¤ÇÕ´Ï´Ù.
: µî·ÏµÈ Å©¸®ÇÁ ÇÔ¼ö°ú Loading Age¸¦ »èÁ¦ÇÕ´Ï´Ù.
Shrinkage Strain Function
Àû¿ëÇÒ °ÇÁ¶¼öÃà ÇÔ¼ö¸¦ ¼±ÅÃÇÕ´Ï´Ù. Á¤ÀÇµÈ °ÇÁ¶¼öÃà ÇÔ¼ö°¡ ¾ø´Â °æ¿ì³ª ¹Ì¸® Á¤ÀÇµÈ ÇÔ¼ö¸¦ ¼öÁ¤ÇÏ´Â °æ¿ì´Â ¸¦ Ŭ¸¯ÇÏ¿© ¸¦ Ŭ¸¯ÇÏ¿© "Time Dependent Material(Creep/Shrinkage) Function" ´ëÈ»óÀÚ¸¦ È£ÃâÇÕ´Ï´Ù.
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