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Group History
CoGri Korea Promise
Large Pour Flooring Solutions
 LP-SOG
 JF-SOG
 SR-SOP
Superflat Flooring Solutions
 SF-LG
 SF-FT
 SF-LS
Special Flooring Solutions
 TP-FS
 PS-FS
 CS-FS
 AC-FS
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Special Flooring Solutions

¸¸¾à °Ç¹° µðÀÚÀΠȤÀº ½Ã°ø½ºÄÉÁì ¶§¹®¿¡ ±¸Á¶½½¶óºê·Î ¿øÇÏ´Â Æòźµµ¸¦ È®º¸Çϱ⠺Ұ¡´ÉÇÑ °æ¿ì¿¡ CoGri KoreaÀÇ Topping Slab Floor SystemÀ» ¼±ÅÃÇϽʽÿä.

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• Multi-Storey ¹°·ùâ°í¿¡¼­ ¾ö°ÝÇÑ Æòźµµ ½Ã°øÀÌ °¡´ÉÇÔ
• ¹Ù´ÚÀÇ Upgrading¹æ¹ýÀ¸·Î ½Ã°øÇÒ ¼ö ÀÖÀ½
• ¿¹»ê ¹× °í°´ÀÇ ¼±È£¿¡ µû¶ó, Bonded ȤÀº Unbonded Topping Slab °¡ °¡´ÉÇÔ
• CoGri KoreaÀÇ TP-FS ´Â Ç°ÁúÀÌ ÀÔÁõµÈ °ø¹ýÀÓ


µðÀÚÀÎ ¹× ½Ã¹æ


  

¸¶°¨½½¶óºê (Topping Slab)´Â ±¸Á¶½½¶óºê·Î ¿øÇÏ´Â ¹Ù´ÚÆòźµµ¸¦ ½Ã°øÇÒ ¼ö ¾øÀ» ¶§ Àû¿ëµÇ´Âµ¥ ¿¹¸¦ µé¸é, ´ÙÃþ±¸Á¶ÀÇ ¹°·ùâ°í¿¡¼­ Deckplate ½½¶óºêÀÇ °æ¿ì ÈÚÇö»óÀ¸·Î ÀÎÇÏ¿© ¸¶°¨½½¶óºê¸¦ ½Ã°øÇÏ°Ô µÇ´Â °æ¿ì°¡ ÀÖ´Ù.

¶§·Î´Â °Ç¼³»ç¿¡¼­ °ø»ç½ºÄÉÁì ȤÀº °øÁ¤´Ü°è, ¶Ç´Â °ÇÃàÁÖ°¡ ¹Ù´ÚÀÇ Æòźµµ¸¦ ¸Å¿ì ³ô°Ô ¿ä±¸ÇÏ´Â °æ¿ì¿¡ °Ç¼³»ç¿¡¼­ ¿ì¼± ±¸Á¶½½¶óºê¸¦ Ÿ¼³ÇÏ°í ÃßÈÄ¿¡ ¸¶°¨½½¶óºê¸¦ ½Ã°øÇÏ°ï ÇÑ´Ù. ¶ÇÇÑ Precast ½½¶óºê ½Ã½ºÅÛ¿¡¼­ Bonded ¸¶°¨½½¶óºê°¡ Àû¿ëµÈ´Ù.

¼³°è½Ã Áß¿äÇÑ °ËÅä»çÇ×Àº ¿¹»ê ¹× À¯È¿³ôÀÌ »ç¿ëÁ¤µµ ¹× °ÇÃàÁÖÀÇ ¸¶°¨¹Ù´Ú¿¡ ´ëÇÑ ¼±È£µµµî¿¡ µû¶ó ¸¶°¨½½¶óºê Type À» °áÁ¤ÇÏ´Â °ÍÀÌ´Ù. µÎ°¡Áö TypeÀÌ °ËÅäµÉ ¼ö ÀÖ´Ù.

1. The Bonded TP-FS



¸¶°¨½½¶óºê¸¦ ±¸Á¶½½¶óºê¿Í ¿ÏÀüÈ÷ °ãÇÕÇϵµ·Ï ÇÏ¿© ÀÏüȭ ½½¶óºê·Î ½Ã°øÇÏ´Â ¹æ¹ýÀÌ´Ù.

Bonded Topping SlabÀÇ µÎ²²´Â 75 mmÀÌ»óÀÌÁö¸¸ Àý´ëÀûÀÎ ÃÖÀú³ôÀÌ´Â 60 mm¸¦ À¯ÁöÇϵµ·Ï ÇÏ¿©¾ß ÇÑ´Ù. Bonding ŸÀÔ¿¡¼­ °¡Àå Áß¿äÇÑ °ÍÀº ¸¶°¨½½¶óºê°¡ ±â´ÉÀ» Á¦´ë·Î ¸øÇÏ°í ±¸Á¶½½¶óºê¿Í De-bondingµÇ´Â À§ÇèÀÌ´Ù. CoGri ±×·ìÀÇ 20¿©³âÀÇ °æÇèÀ» ÅëÇÏ¿© CoGri Korea´Â ±¸Á¶½½¶óºê¿¡ ´ëÇÑ ÀûÇÕÇÑ ¸éó¸® ¹× Shear Connector¸¦ »ç¿ëÇÏ¿© Mechanical Bonding SystemÀ» Á¦°øÇÏ¿©¾ß ÇÑ´Ù°í °­Á¶ÇÏ°í ÀÖ´Ù.

Bonding Agent¸¸À» »ç¿ëÇÏ°Ô µÇ¸é ÃæºÐÇÏÁö ¾Ê°Ô µÈ´Ù. Saw CutÁ¶ÀÎÆ®´Â ÇÊ¿ä¾ø´Ù. ´Ü, ±¸Á¶½½¶óºê¿¡ ¿©ÀüÈ÷ ¿òÁ÷ÀÌ´Â Á¶ÀÎÆ®°¡ ÀÖ´Ù¸é, ¸¶°¨½½¶óºê¿¡¼­µµ µ¿ÀÏÇÑ À§Ä¡¿¡ Á¶ÀÎÆ®¸¦ ½Ã°øÇÑ´Ù. °ÇÃàÁÖ´Â ¸¶°¨½½¶óºê¿¡ °ÇÁ¶¼öÃàÀ» ÀÎÇÑ ÀϺΠRandom CrackingÀÌ ¹ß»ýÇÒ ¼ö ÀÖÀ½À» ÀÌÇØÇÏ¿©¿© Çϸç, µ¿½Ã¿¡ ¹Ù´Ú½Ã°ø¾÷ü´Â Å©·¢À» ÃÖ¼ÒÈ­Çϵµ·Ï ¸ðµç ³ë·ÂÀ» ±â¿ï¿©¾ß ÇÑ´Ù.


2. The Unbonded TP-FS
¸¸¾à °ÇÃàÁÖ°¡ °ÇÁ¶¼öÃà¿¡ ÀÇÇÑ Å©·¢À» ¿øÇÏÁö ¾Ê´Â °æ¿ì Unbonded Topping°ø¹ýÀÌ ÀûÇÕÇÏ´Ù. Unbonded Topping Slab´Â Wearing Slab¿Í °°ÀÌ µ¶¸³ÀûÀ¸·Î ±â´ÉÀ» ÇÏ°Ô µÇ¸ç ÀÌ ¶§¹®¿¡ CurlingÀ§ÇèÀ» ÃÖ¼ÒÈ­Çϱâ À§ÇÑ ½½¶óºêµÎ²²°¡ ¸Å¿ì Áß¿äÇÏ´Ù. BS 8204 Part 2  Concrete Wearing Surface  - Code of Practice¿¡¼­´Â CurlingÀ§ÇèÀ» ÃÖ¼ÒÈ­Çϱâ À§ÇÏ¿© ½½¶óºê µÎ²²¸¦  150 mm·Î »ç¿ëÇϵµ·Ï ¿äûÇÏ°í ÀÖ´Ù.

Àü¹®¹Ù´Úº¸¼ö °æÇèÀ» ÅëÇÏ¿© CoGri ±×·ìÀº °¡´ÉÇϸé ÃÖ¼Ò Unbonded Topping SlabµÎ²²¸¦ 150 mm¸¦ À¯ÁöÇϵµ·Ï ±Ç°íÇÏ°í ÀÖÀ¸¸ç, ¿©·¯ »óȲ ¹× Á¶°ÇÀÌ ¿©ÀÇÄ¡ ¾ÊÀº °æ¿ì¿¡´Â 120 mm±îÁö ÁÙÀÏ ¼ö ÀÖ´Ù.  ±×·¯³ª ÀÌ·¯ÇÑ °æ¿ì °ÇÃàÁÖ´Â Á¶ÀÎÆ® Áö¿ª¿¡¼­ ÀϺΠCurlingÇö»óÀÌ ¹ß»ýÇÒ ¼ö ÀÖ´Â À§ÇèÀ» °¨¼öÇÏ¿©¾ß ÇÑ´Ù.


ÀϹÝÀûÀ¸·Î Unbonded Topping SlabµðÀÚÀÎÀº SOG°ø¹ý°ú °°À¸¸ç, ÀÌ¿¡ µû¶ó Á¶ÀÎÆ® º£Ä¡ ¹× Load Transfer¿¡ ÁÖÀǸ¦ ÇÏ¿©¾ß ÇÑ´Ù. SOGÀÇ Sub Base¿Í °°ÀÌ Unbonded Topping Slab¸¦ ÁöÁöÇÏ´Â ±¸Á¶½½¶óºê Ç¥¸éÀº °¡´ÉÇÑ ÆòźÇÏ°í ºÎµå·¯¿ö¾ß Çϸç, Topping SlabÀÇ °ÇÁ¶¼öÃà¿¡ ¹æÇظ¦ ÇÏ¿© Random CrackingÀÌ ¹ß»ýÇÏÁö ¾Êµµ·Ï ÇÏ¿©¾ß ÇÑ´Ù. ±¸Á¶½½¶óºê¿¡ ´ëÇÑ Æòźµµ´Â +/-15 mmÀ» ÁÖ·Î »ç¿ëÇÏ°í ÀÖ´Ù.


¸¶°¨½½¶óºê´Â TR-34±âÁØ SuperflatÁï, ÃÊÆòź¹Ù´Ú±îÁö ½Ã°øÀÌ °¡´ÉÇÏ¸ç ´ç»ç¿¡¼­´Â °ÇÃàÁÖ°¡ °Ç¼³»ç¸¦ ¼±Á¤Çϱâ Àü¿¡ ¹Ù´ÚÆòźµµ ¹× °Ë¼ö¿¡ ´ëÇÏ¿© ¸íÈ®È÷ ½Ã¹æÈ­µÇ¾î ÀÖ¾î¾ß ÇÑ´Ù°í °­Á¶ÇÏ°í ÀÖ´Ù.



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1ÃþÀÇ ¸¶°¨½½¶óºê´Â ·¹ÀÌÁ®½ºÅ©¸®µå¸¦ »ç¿ëÇÏ¿© ½Ã°øÀÌ °¡´ÉÇϸç, ±× ÀÌ»óÀÇ ÃþÀº ¼ÒÇü·¹ÀÌÁ®½ºÅ©¸®µå ÀåºñÀÎ ¡®Copperhead¡¯¸¦ »ç¿ëÇÏ¿© TR-34ÀÇ ¡®FM2¡¯½Ã¹æÀ» ¸¸Á·Çϵµ·Ï ½Ã°øÇÑ´Ù. ¸¸¾à »ï¹æÇâÁö°ÔÂ÷¸¦ »ç¿ëÇÏ¿©¾ß ÇÏ´Â °æ¿ì¿¡´Â Long Strip °ø¹ýÀ» Àû¿ëÇÒ ¼ö µµ ÀÖ´Ù.


¸¶°¨½½¶óºê¸¦ ½Ã°øÇϱâ Àü¿¡ CoGri KoreaÀÇ ¿£Áö´Ï¾î´Â ±¸Á¶½½¶óºêÀÇ ·¹º§ ¹× »óŸ¦ Àü¸éÀûÀ¸·Î Á¶»çÇÏ¿© ÃÖÁ¾ ¹Ù´Ú·¹º§À» È®Á¤ÇÏ°Ô µÈ´Ù.

 

Bonded ToppingÀÇ °æ¿ì¿¡´Â Ç¥¸éÀÇ ·¹ÀÌÅϽº¸¦ Á¦°ÅÇϱâ À§ÇÑ ¸éó¸® ÀÛ¾÷À» ±¸Á¶½½¶óºê Á¶°Ç¿¡ µû¶ó ±×¶óÀεù, Shotblasting ȤÀº Æò»è±âµîÀ» »ç¿ëÇÏ¿© ÀÛ¾÷ÇÏ°Ô µÈ´Ù. ¹Ù´ÚÀ» ¿ÏÀüÈ÷ û¼ÒÇÑ ÈÄ, Shear Connector¸¦ ¼³Ä¡Çϴµ¥, ÁַΠö±ÙÀ» ±¸Á¶½½¶óºê¿¡ 1.5 m °£°ÝÀ¸·Î ¿¡Æø½Ã ·¹ÁøÀ» ÀÌ¿ëÇÏ¿© °íÁ¤ÇÑ´Ù. 2Â÷ Reinforcement·Î Steel Fabric (ÁÖ·Î 7 mm @ 200 mm) ȤÀº 25 Kg/m3ÀÇ Steel Fiber¸¦ »ç¿ëÇÏ¿© ¹ß»ýÇÏ´Â Å©·¢À» °ü¸®ÇÑ´Ù. ±×·¯³ª È¿°úÀûÀÎ Mechanical BondingÀ» À§ÇÏ¿© CoGri Korea´Â Steel FabricÀ» Shear Connector¿Í °ãÇÕÇÏ´Â ±¸Á¶¸¦ ¼±È£ÇÏ°í ÀÖ´Ù.

Unbonded Topping Slab´Â SOG ¹Ù´Ú°ú °°ÀÌ ½Ã°øÇϸç, ÃÖ´ë 6.5 m °£°Ý³»¿¡¼­ Saw CutÀ» ÇÏ°Ô µÈ´Ù. ½Ã°øÁ¶ÀÎÆ®´Â Load Transfer°¡ °¡´ÉÇÑ DowelÀ» ³»ÀåÇÑ Armoured Joint SystemÀ» »ç¿ëÇÑ´Ù.


Àü¼¼°èÀûÀ¸·Î 20¿©³âÀÌ»óÀÇ »ê¾÷¿ë ÄÜÅ©¸®Æ® ¹Ù´Ú ½Ã°ø °æÇèÀ»  ÅëÇÏ¿© CoGri±×·ì  ¹× CoGri Korea´Â TP-FS°ø¹ýÀÌ Ç°ÁúÀÌ ÀÔÁõµÈ ½Ã°ø¹ýÀ̸ç,  ÃÖ´ëÀÇ ¼º´ÉÀ» ¹ßÈÖÇϸ鼭, °­ÇÑ ¸¶¸ðÀúÇ×µµ¸¦ °®Ã߸ç À¯Áö°ü¸®ºñ¿ëÀ» ÃÖ¼ÒÈ­ÇÑ °ø¹ýÀÓÀ» È®½ÅÇÏ°í ÀÖ½À´Ï´Ù. ±¹³»¿¡¼­ ÃÖ±Ù¿¡ ´ç»çÀÇ Topping Slab Floor SystemÀ» Àû¿ëÇÏ¿© ±× ÇýÅÃÀ» ´©¸®°í Àִ ȸ»ç´Â Prologis, Schenker Korea ¹× ³ó½ÉµîÀÌ ÀÖ½À´Ï´Ù.


  

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