3.3 OSB µ¡´ï ÆÇ ¸ñÀçÆ®·¯½ºÀÇ ÈÚ ½ÃÇè
3.3.1 Àç·á ¹× ¹æ¹ý
3.3.1.1 °ø½ÃÀç·á
º» ¿¬±¸¿¡¼´Â ÇöÀå¿¡¼ °¡Àå ÈçÇÏ°Ô »ç¿ëÇÏ°í ÀÖ´Â ºÏ¹Ì»ê ±¸Á¶Àç SPF(Sprus-Pine-Fir), 2X4, No#2 & Btr, ij³ª´Ù»ê 11.1mm OSB ±×¸®°í 50mm Gun Nail (Screw Type)À» »ç¿ëÇÑ´Ù.
3.3.1.2 ½ÃÇèÆí Á¦ÀÛ
OSB GussetÀÇ Å©±â ¹× ¸ø ¹Ú±â´Â Angleton (1960)ÀÇ ³í¹®À» ÂüÁ¶ÇÏ¿© Figure3-1°ú °°ÀÌ Á¦ÀÛÇÏ¿´´Ù. °æ»çÆ®·¯½º ½ÃÇèÆíÀº OSB µ¡´ïÆÇ¿¡ ¸ø ¹Ú±â´Â °£°ÝÀ» 9mm·Î ÇÏ°í ¸øÀ» Á÷¼±À¸·Î ¹ÚÀ» ¶§¿Í Áö±×Àç±×·Î ¹ÚÀ» ¶§ÀÇ °µµ Â÷À̸¦ ºñ±³Çϱâ À§ÇØ µÎ °¡Áö Á¾·ù·Î ½ÃÇèÆí °¢°¢ 6°³¸¦ Figure3-5, Figure3-6°ú °°ÀÌ Á¦ÀÛÇÏ¿´´Ù. °æ»çÆ®·¯½ºÀÇ ±æÀÌ´Â 6mÀÌ¸ç °æ»ç°¢Àº 20°·Î ÇÏ¿´´Ù. °æ»çÆ®·¯½º¸¦ ¸ÕÀú ½ÃÇèÇÑ °á°ú µÎ °¡Áö ¸ø ¹Ú±â Á¾·ù¿¡¼ °µµÂ÷ÀÌ°¡ ¾ø¾ú±â ¶§¹®¿¡ ¼öÆòÆ®·¯½º ½ÃÇèÆíÀº ¸øÀ» Á÷¼±À¸·Î ¹Ú´Â ÇÑ °¡Áö ŸÀÔÀ¸·Î Á¦ÇÑÇÏ¿© ½ÃÇèÆí 6°³¸¦ Figure3-7°ú °°ÀÌ Á¦ÀÛÇÏ¿´´Ù. ¼öÆòÆ®·¯½ºÀÇ ±æÀÌ´Â 6mÀÌ¸ç ³ôÀÌ´Â 0.5m·Î ÇÏ¿´´Ù.
Fig. 3-4 Shape and nailing OSB gusset
Fig. 3-5 Straight nailing shape of common truss
Fig. 3-6 Zigzag nailing shape of common truss
Fig. 3-7 Straight nailing shape of flat truss
3.3.1.3 ½ÇÇè¹æ¹ý
1) °æ»çÆ®·¯½º
Fig. 3-8 Bending test of common truss
°æ»çÆ®·¯½º´Â Fig. 3-5¿Í °°ÀÌ À¯¾Ð½Ç¸°´õ·Î ¾Ð·ÂÀ» °¡ÇÏ´Â ¹æ½ÄÀ¸·Î 3ÁöÁ¡¿¡ µ¿ÀÏ ºÐÆ÷ ÇÏÁßÀ» °¡ÇÏ¿© ÈÚ ½ÃÇèÀ» ÁøÇàÇÏ¿´À¸¸ç ¾ç ³¡ ¸éÀº ½ÃÇèÆí ¹Þħ¿¡ ÇÉ ÁöÁ¡°ú ·Ñ·¯ ÁöÁ¡À¸·Î ÇÏ¿´´Ù. ÇÏÁßÀÌ °¡ÇØÁö´Â °÷Àº ÇÏÁßÁ¡ÀÌ ¸ñÀ縦 ÆÄ°íµé ¿ì·Á°¡ ÀÖÀ¸¹Ç·Î ÇÏÁß ºí·ÏÀ» »ç¿ëÇÏ¿© ¸ñÀç ³» ÆÄ°íµå´Â °ÍÀ» ¹æÁöÇÏ¿´´Ù. óÁü ½ÃÇèÀÇ ÃøÁ¤Àº Æ®·¯½º ÇÏÇöÀç¿¡ LVDT¸¦ ÀåÂøÇÏ¿© ÃøÁ¤Çß´Ù. õÀåÀå¼±ÀÇ Ã³Ä§ ÇѰ踦 L/240À¸·Î ±ÔÁ¤ÇÏ°í Àֱ⠶§¹®¿¡ ÀÌ °ª¿¡ Á¢±ÙÇßÀ» ¶§ÀÇ °µµÄ¡¸¦ Æ®·¯½ºÀÇ Çã¿ë°µµ·Î »êÁ¤ÇÏ¿´´Ù.
2) ¼öÆòÆ®·¯½º
¼öÆòÆ®·¯½ºÀÇ ½ÇÇè¹æ¹ýÀº Fig.3-5¿Í °°ÀÌ 1/3Á¡ ÇÏÁß ¹æ½ÄÀ» äÅÃÇÏ¿© ÈÚ ½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ÀÌ·¯ÇÑ ½Ç´ëÀç ÈÚ ½ÃÇè ¹æ¹ýÀ» Àû¿ëÇϸé Áß¾Ó 2°³ÀÇ ÇÏÁß Á¡ »çÀÌ¿¡¼ Àü´Ü·ÂÀÌ ÀÛ¿ëÇÏÁö ¾Ê±â ¶§¹®¿¡ Àü´Ü·ÂÀÇ ¿µÇâÀ» ¹èüÇÑ ¼ø¼öÇÑ ÈÚ ¸ð¸àÆ®ÀÇ ¿µÇ⸸À» °í·ÁÇÑ ÈÚ °µµ¸¦ ¾òÀ» ¼ö ÀÖ´Â ÀåÁ¡ÀÌ ÀÖ´Ù. óħ¿¡ ´ëÇÑ ÃøÁ¤Àº Æ®·¯½º ÇÏÇöÀç¿¡ LVDT¸¦ ÀåÂøÇÏ¿© ÃøÁ¤ÇÏ¿´´Ù. ¼öÆòÆ®·¯½º¸¦ ¹Ù´ÚÀå¼±À¸·Î »ç¿ëÇÒ °æ¿ì L/360, õÀåÀå¼±À¸·Î »ç¿ëÇÒ °æ¿ì L/240 ÁöÁ¡¿¡ óÁü °ªÀÌ ±ÙÁ¢ÇÒ °æ¿ìÀÇ °µµÄ¡¸¦ ¼öÆòÆ®·¯½ºÀÇ Çã¿ë°µµ·Î °¢°¢ »êÁ¤ÇÏ¿´´Ù.
Fig. 3-9 Bending test of flat truss
3.3.2 °á°ú ¹× °íÂû
3.3.2.1 °æ»çÆ®·¯½º
°æ»çÆ®·¯½º´Â ÇÏ´Ü¿¡ °Ç½ÄõÀåÀÌ ºÎÂøµÇ´Â ÇüÅ·Π»ç¿ëÇϱ⠶§¹®¿¡ óÁü ÇÑ°è L/240À» ÃÊ°úÇÒ °æ¿ì °æ»çÆ®·¯½º·Î¼ÀÇ ±â´ÉÀ» ¹ßÈÖÇÏÁö ¸øÇÑ´Ù. °æ»çÆ®·¯½ºÀÇ ÈÚ ½ÃÇèÀ» ÅëÇÏ¿© ¸øÀ» Á÷¼±À¸·Î ¹Ú¾ÒÀ» ¶§¿Í Áö±×Àç±×·Î ¹Ú¾ÒÀ» ¶§ ½ÃÇèÆí¿¡ ´ëÇÏ¿© óÁü ÇÑ°è L/240¿¡¼ ¾ò¾îÁø ÇÏÁß °ªÀº Table3-1°ú °°´Ù. µÎ Á¶°ÇÀÇ ÇÏÁß °ªÀº óÁü ÇÑ°èÀÏ ¶§ »Ó ¾Æ´Ï¶ó Æı«ÇÏÁßÀÏ ¶§µµ Á¶°Ç °£ÀÇ Â÷ÀÌ°¡ ¾ø¾ú´Ù. ÇÏÁß ¹× º¯Çü °î¼±Àº µÎ Á¶°Ç ¸ðµÎ ÀϹÝÀûÀ¸·Î Figure3-10°ú °°Àº ÇüŸ¦ ³ªÅ¸³»¾ú´Ù.
No.
|
Straight truss
|
Zigzag truss
|
Load(KN)
|
Load(KN)
|
1
|
10.20
|
9.60
|
2
|
9.00
|
9.00
|
3
|
9.60
|
7.60
|
4
|
12.00
|
11.42
|
5
|
11.40
|
12.00
|
6
|
13.10
|
12.30
|
Average
|
10.88
|
10.32
|
Fig. 3-10 Relationship between load and strain of slope truss.
½ÃÇèÆí 12°³ÀÇ Ã³Áü ÇÑ°è L/240¿¡¼ÀÇ Çã¿ëÇÏÁßÆò±ÕÀº 10.60KNÀ» ³ªÅ¸³»¾ú´Ù. ½ÇÇè½Ç Á¶°Ç»ó ù ¹ø° Æı«°¡ ¹ß»ýÇÏ°í ½ÇÇèÀ» Áß´ÜÇ߱⠶§¹®¿¡ Á¤È®ÇÑ Æı«°µµ´Â ¼³Á¤Çϱ⠾î·Á¿üÀ¸³ª, ù ¹ø° Æı« ½ÃÀÇ Æı«ÇÏÁßÆò±ÕÀº 15.02KNÀ» ³ªÅ¸³»¾ú´Ù.
°æ»çÆ®·¯½ºÀÇ °æ°£Àº 6m, Æ®·¯½º ¹è¿ °£°ÝÀº 609mm(24inch), ÁöºØ¹°¸Å´Â 12:4.4À̸ç, Æ®·¯½ºÀÇ À§ÂÊ ÁöºØ¿¡´Â ¾Æ½ºÆÈÆ® ½Ì±Û, ½ÃÆ®Áö, OSB (11.1mm)¸¦ ÇÏ´Ü¿¡´Â ´Ü¿Àç(R-30), ¼®°íº¸µå(12.5mm)¸¦ ºÎÂøÇϸç, ¼³ÇÏÁß¿¡ ¿µÇâÀÌ ÀûÀº ÀϹÝÁö¿ªÀ¸·Î °¡Á¤ ÇÒ °æ¿ì Æ®·¯½º¿¡ ÀÛ¿ëÇÏ´Â ÇÏÁßÀº ´ÙÀ½°ú °°ÀÌ °è»êµÉ ¼ö ÀÖ´Ù.
°íÁ¤ÇÏÁß ······································································ 442pa
Æ®·¯½º ÀÚüÇÏÁß 100pa
¾Æ½ºÆÈÆ® ½Ì±Û 96pa, °æ»ç°¢ 20°¸¦ Àû¿ëÇϸé 102.16pa
ÁöºØ¿ë ½ÃÆ®Áö 16.3pa, °æ»ç°¢ 20°¸¦ Àû¿ëÇϸé 17.35pa
OSB(11.1mm) 79pa, °æ»ç°¢ 20°¸¦ Àû¿ëÇϸé 84.07pa
´Ü¿Àç(R-30) 19.6pa
¼®°íº¸µå(12.5mm) 118pa
½Ã°øÇÏÁß(È°ÇÏÁß) ······················································· 1 Kpa
ÃÑÇÏÁß(ÀÛ¿ëÇÏÁß) ······················································· 1.44 Kpa
ÇÑ °³ÀÇ Æ®·¯½º°¡ ºÎ´ãÇØ¾ß ÇÏ´Â ÇÏÁ߸éÀûÀº 6m X 0.609m(2')=3.654m2ÀÌ µÇ¾î ÇϳªÀÇ Æ®·¯½º¿¡ ÀÛ¿ëÇÏ´Â ÇÏÁßÀº 1.44KPa X 3.654m2 = 5.26KNÀÌ´Ù. ÀÌ´Â º» ½ÇÇè¿¡ ÀÇÇÏ¿© óÁü ÇÑ°Ô¿¡¼ ¾ò¾îÁø Æ®·¯½ºÀÇ Çã¿ë°µµ 10.60KNº¸´Ù 5.34KNÀÌ ÀÛÀº °ªÀÓÀ» È®ÀÎÇÒ ¼ö ÀÖ´Ù.
Fig. 3-11 Failure mode of common truss.
Gang NailÀ» »ç¿ëÇÑ Æ®·¯½º´Â ´ëºÎºÐ Gang Nail µ¡´ïÆÇ ºÎºÐ¿¡¼ Æı«°¡ ¹ß»ýÇÏ´Â °Í¿¡ ºñÇØ OSB µ¡´ïÆÇ Æ®·¯½ºÀÇ Æı«ÇüÅ´ Fig3-11°ú °°ÀÌ µ¡´ïÆÇ°ú µ¡´ïÆÇÀÇ Áß°£ºÎºÐ¿¡¼ Æı«°¡ ¹ß»ýÇß´Ù. ÀÌ´Â ´ÙÀ½°ú °°ÀÌ 3°¡Áö ÀÌÀ¯·Î ÆǴܵȴÙ.
ù°´Â OSB µ¡´ïÆÇÀÇ ºÎÂø°µµ°¡ ³ô¾Æ °¢°¢ÀÇ µ¡´ïÆÇ ÁöÁ¡¿¡¼ »óÇÏÇöÀç ¶Ç´Â ¿þºê ºÎÀç°¡ ÀÚÀ¯·Ó°Ô ¿òÁ÷ÀÌÁö ¸øÇÏ°Ô µÇ¾î ºÎÀç ÀÚü¿¡ ÈÚ ÀÀ·ÂÀÌ ÀÛ¿ëÇÑ °ÍÀ¸·Î »ý°¢ÇÑ´Ù. Fig3-11 »çÁø°ú °°ÀÌ ÇÏÁßÀ» °¡ÇÒ °æ¿ì µ¡´ïÆÇ ºÎºÐ¿¡¼´Â OSB¿Í »óÇöÀçÀÇ ºÎÂø·ÂÀÌ °ÇØ ÀÌ ºÎÀ§¿¡¼´Â ºÎÀç°¡ ÈÖ¾îÁöÁö ¾ÊÀ¸³ª »óÇöÀçÀÇ Áß°£ºÎºÐ¿¡¼ ±Þ°ÝÇÏ°Ô ÈÖ¾îÁö´Â °ÍÀ» º¼ ¼ö ÀÖ´Ù.
µÎ ¹ø°´Â »óÇÏÇöÀç ¶Ç´Â ¿þºê ºÎÀ縦 ÀϹÝÇöÀå¿¡¼ »ç¿ëÇÏ´Â No#2 µî±ÞÀ» ¹«ÀÛÀ§·Î »ç¿ëÇ߱⠶§¹®À¸·Î »ý°¢ÇÑ´Ù. ÀÌ ºÎÀçµéÀÇ °µµ°¡ ¹«°áÁ¡Àç(No#1) º¸´Ù ¾àÇϱ⠶§¹®¿¡ ÀÌ ºÎºÐ¿¡¼ Æı«°¡ ÀϾÀ» °ÍÀ¸·Î ÆǴܵȴÙ.
¼¼ ¹ø°´Â ÇÏÁßÀÇ ÇüÅ°¡ ±ÕÀϺÐÆ÷ ÇÏÁßÀÌ ¾Æ´Ñ ÁýÁßÇÏÁß ÇüÅ·Π´Ü 3ÁöÁ¡¿¡¼¸¸ °¡¾ÐÀ» Ç߱⠶§¹®À¸·Î »ý°¢ÇÑ´Ù. ¸¸ÀÏ ±ÕÀϺÐÆ÷ÇÏÁß ÇüÅ·Π°¡¾ÐÀ» ÇßÀ» °æ¿ì ¶Ç´Â °¡¾Ð½Ç¸°´õ¸¦ ¿©·¯ °³ ¼³Ä¡ÇÏ¿© °¡¾ÐÇÒ °æ¿ì´Â Æı«¾ç»óÀÌ Fig3-11°ú °°Áö ¾Ê¾ÒÀ» °ÍÀ¸·Î »ý°¢ÇÑ´Ù.
3.3.2.2 ¼öÆòÆ®·¯½º
½ÇÇèÀº Æı«°¡ ¹ß»ýÇÏ¸é ¹Ù·Î Áß´ÜÇßÀ¸¸ç ÇÏÁß-º¯À§ °î¼±Àº ÀϹÝÀûÀ¸·Î Figure3-11°ú °°Àº ÇüÅ°¡ µÇ¾ú´Ù. À̶§ °è»êµÈ ÇÏÁß °ªÀº 1/3Á¡ ÁýÁßÇÏÁßÀ» ±ÕÀÏ ºÐÆ÷ ÇÏÁßÀ¸·Î ȯ»êÇÏ¿´´Ù.
¼öÆò Æ®·¯½º´Â ¹Ù´ÚÀå¼±À¸·Î »ç¿ëÇÒ °æ¿ì óÁü ÇÑ°è 1/360À» ÃÊ°úÇÒ °æ¿ì ¹Ù´ÚÀå¼±À¸·Î¼ÀÇ ±â´ÉÀ» ¹ßÈÖÇÏÁö ¸øÇÑ´Ù.(õÀåÀå¼±ÀÇ °æ¿ì óÁü ÇÑ°è 1/240) óÁü ÇÑ°è 1/360¿¡¼ ÇÏÁßÆò±ÕÀº 7.18KN, 1/240¿¡¼ ÇÏÁßÆò±ÕÀº 9.17KNÀÌ ³ª¿Ô´Ù.
Fig. 3-12 Relationship between load and strain of flat truss
6m °æ°£¿¡ Æ®·¯½º¸¦ 406mm(16inch) °£°ÝÀ¸·Î ¼³Ä¡ÇÏ°í ¹Ù´ÚÀå¼±À¸·Î »ç¿ëÇϸç, ¸¶°¨Àº Æ®·¯½ºÀÇ À§¿¡¼ºÎÅÍ °È¸¶·ç(9mm), ³¹æ¿ë ¹ÌÀå¸ôÅ»(40mm), OSB(18.3mm), Æ®·¯½º(100pa), ¹æÀ½¿ë Àν¶·¹À̼Ç(R-19), ¼®°íº¸µå(12.5mm)¸¦ »ç¿ëÇÒ °æ¿ì Æ®·¯½º¿¡ ÀÛ¿ëÇÏ´Â ÇÏÁßÀº ´ÙÀ½°ú °°ÀÌ °è»êÇÒ ¼ö ÀÖ´Ù.
°íÁ¤ÇÏÁß ······································································ 1.05 Kpa
Æ®·¯½º ÀÚüÇÏÁß 100pa
°È¸¶·ç(9mm) 90pa
³¹æ¿ë ¹ÌÀå¸ôÅ»(40mm) 600pa
OSB(18.3mm) 128pa
Àν¶·¹À̼Ç(R-19) 12.4pa
¼®°íº¸µå(12.5mm) 118pa
½Ã°øÇÏÁß(È°ÇÏÁß) ······················································· 2 Kpa
ÃÑÇÏÁß(ÀÛ¿ëÇÏÁß) ······················································· 3.05 Kpa
ÇÑ °³ÀÇ Æ®·¯½º°¡ ºÎ´ãÇÏ´Â ÇÏÁ߸éÀûÀº 6mX0.406m(16')=2.436m2 ÀÌ µÇ¾î ÀÛ¿ëÇÏÁßÀº 3.05Kpa X 2.436m2 = 7.43KpaÀÌ µÈ´Ù. ÀÌ °ªÀº º» ½ÇÇè¿¡ ÀÇÇÏ¿© 1/360óÁü ÇÑ°è¿¡¼ Æ®·¯½ºÀÇ Çã¿ë°µµ 7.18KNº¸´Ù 0.25KN ³ôÀº °ªÀÌ µÇ¾î, Áö°£°Å¸®°¡ 6mº¸´Ù ¾à°£ À۰ųª Æ®·¯½º¿¡ º¸°À» ÇÒ °æ¿ì »ç¿ëÀÌ °¡´ÉÇÔÀ» ³ªÅ¸³½´Ù.
Fig. 3-13 Failure mode of flat truss.
Figure3-13°ú °°ÀÌ ¼öÆò Æ®·¯½ºÀÇ Æı«´Â ´ëºÎºÐ ÇÏÁß Àü´ÞÁöÁ¡¿¡¼ ¹ß»ýÇß´Ù. ¼öÆò Æ®·¯½ºµµ °æ»çÆ®·¯½º¿Í ¸¶Âù°¡Áö·Î OSB µ¡´ïÆÇ¿¡¼´Â Æı«°¡ ÀϾÁö ¾Ê¾Ò´Ù. ¸¸¾à ½ÇÇèÀ» ±ÕÀÏ ºÐÆ÷ÇÏÁßÀ¸·Î Çϰųª, ÇÏÁßÀü´ÞÁöÁ¡À» ¿©·¯ °³ »ç¿ëÇÒ °æ¿ì Çã¿ë °µµ´Â ´õ ³ô°Ô ³ª¿Ã °ÍÀ¸·Î »ý°¢ÇÑ´Ù.
¹Ù´ÚÀå¼±À¸·Î »ç¿ëÇÏ´Â Æò Æ®·¯½ºÀÇ °æ¿ì À§Ãþ¿¡ º®ÀÌ Àְųª ¹«°Å¿î ÇÏÁßÀÌ ºÎ°úµÇ´Â ÁýÁßÇÏÁßÀÌ ÀÛ¿ëÇÒ °æ¿ì ±× ºÎºÐÀÇ »óÇöÀç¿¡´Â ±¸Á¶º¸°À» ÇØ¾ß À§ÀÇ ½ÇÇèó·³ ÁýÁßÇÏÁß ÁöÁ¡¿¡¼ Æı«°¡ ÀϾ´Â °ÍÀ» ¸·À» ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù. ¹Ý´ë·Î Æ®·¯½º ÇÏ´ÜÀÇ ¾ç ³¡´ÜºÎºÐ ¿Ü¿¡ Áß°£ÁöÁ¡¿¡ Æ®·¯½º¸¦ ¹çÃÄ ÁÖ´Â ³»·Âº®ÀÌ ÀÖÀ» °æ¿ì ÇÏÇöÀ縦 ±¸Á¶º¸° ÇØ¾ß Æò Æ®·¯½ºÀÇ °µµ¸¦ À¯ÁöÇÏ´Â µ¥ ÁÁÀ» °ÍÀ¸·Î ÆǴܵȴÙ. ±¸Á¶º¸°Àº µ¡´ïÆÇ °ú µ¡´ïÆÇÀ» ¿¬°áÇÏ´Â ÇüÅ°¡ ÁÁÀ» °ÍÀÌ´Ù.
3.4 °á·Ð
OSB µ¡´ïÆÇÀ» ÀÌ¿ëÇÑ °æ»çÆ®·¯½º¿Í ¼öÆòÆ®·¯½º¸¦ Á¦ÀÛÇÏ¿© ÈÚ ½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. °æ»çÆ®·¯½º´Â 6m °æ°£¿¡¼ ÀÛ¿ëÇÏÁß¿¡ ´ëÇØ ÃæºÐÇÑ Çã¿ë°µµ¸¦ ³ªÅ¸³»¾úÁö¸¸, ¼öÆòÆ®·¯½º¸¦ ¹Ù´ÚÀå¼±À¸·Î »ç¿ëÇÒ °æ¿ì 6mÀÇ °æ°£¿¡¼ ÀÛ¿ëÇÏÁß¿¡ ¾à°£ ¸ø ¹ÌÄ¡´Â Çã¿ë°µµ¸¦ ³ªÅ¸³»¾ú´Ù. ±×·¯³ª ÁýÁßÇÏÁßÀÇ ÇüÅ·Π½ÇÇèÀ» ÇÑ °Í°ú Çã¿ëÇÏÁß ÀÎÀÚ¸¦ Àû¿ëÇÏÁö ¾ÊÀº Á¡ µîÀ» °í·ÁÇÒ ¶§ Ãß°¡ÀûÀÎ ±¸Á¶º¸°À̳ª »óÇÏÇöÀçÀÇ Ä¡¼ö¸¦ ÇÑ Ä¡¼ö Å©°Ô ÇÏ´Â µîÀÇ °³¼±À» ÅëÇÏ¿© ÃæºÐÇÑ °µµ¼º´ÉÀ» Áö´Ñ OSB µ¡´ïÆÇ ¸ñÀç Æ®·¯½º°¡ °¡´ÉÇÒ °ÍÀ¸·Î »ý°¢µÈ´Ù.
OSB ºÎÂø·ÂÀº º»µå¸¦ »ç¿ëÇÏÁö ¾Ê¾ÒÀ½¿¡µµ ÃæºÐÇÏ¿´À¸¸ç, OSB µ¡´ïÆÇ¿¡´Â Æı«°¡ ÀϾÁö ¾Ê¾Ò´Ù. OSB µ¡´ïÆÇÀ» ³Ê¹« Å©°Ô ÇÒ °æ¿ì »óÇöÀç ÀÚü¿¡ ÈÚ ÇÏÁßÀÌ °¡ÇØÁ® °µµ¿¡ ÁÁÁö ¾ÊÀº ¿µÇâÀ» ÁÖ´Â °ÍÀ¸·Î ÆǴܵȴÙ. ÀÌ´Â ÀÌÀü¿¡ ¹ßÇ¥µÈ Plywood gusset Æ®·¯½º ³í¹®°ú´Â ´Ù¸¥ ¾ç»óÀ» º¸ÀÌ´Â µ¥ ÃÖ±Ù »ç¿ëÇÏ´Â ¸øÃÑ¿ë ¸øÀº ¿¹Àü¿¡ »ç¿ëÇÏ´ø ÀÏ¹Ý ¸ø°ú´Â ´Þ¸® ³ª¼±Çü(screw type)ÀÌ¸ç ¸ø¿¡ ¾àǰ󸮸¦ ÇÏ¿© Àι߷ÂÀÌ ¸Å¿ì ÁÁ±â ¶§¹®À¸·Î »ý°¢µÈ´Ù.
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