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[½ÇÇè°ú¸ñ ¿ÃA£«ÀÎÁõ] ±â°è°øÇнÇÇè1 - Strainguage1 / 1. ½ÇÇè¿ä¾à 1.1 ½ÇÇè¸ñÀû 1.2 ½ÇÇè°á°úÀÇ °³¿ä 2. °á·Ð 2.1 ½ÇÇè°á°ú¿Í Data 2.2 À̷аª °è»ê 2.3 ½ÇÇè°ª°ú À̷аè»êÀÇ ºñ±³ 3. °íÂû ¹× Âü°í¹®Çå 3.1 °íÂû 3.2 Âü°í¹®Çå / 1. ½ÇÇè¿ä¾à ±â°è°øÇнÇÇè1ÀÇ Strainguage1 ½ÇÇèÀº ±â°è ºÎÀçÀÇ º¯ÇüÀ» ÃøÁ¤ÇÏ°í ºÐ¼®ÇÏ´Â °úÁ¤À» ÅëÇØ Àç·áÀÇ ¹°¸®Àû ¼ºÁú°ú º¯ÇüÀÇ °ü°è¡¦ |
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[½ÇÇè°ú¸ñ ¿ÃA£«ÀÎÁõ] ±â°è°øÇнÇÇè2 - Strainguage2 / 1. ¼·Ð 1.1 ½ÇÇè¸ñÀû 2. °á·Ð 2.1 ½ÇÇè °á°ú 2.1.1 Measured Strain 2.1.2 ÀÎÀå ÀÀ·Â 2.1.3 ÀÀ·Â ÁýÁß °è¼ö K 2.1.4 Rectangular Rosette Gauge 2.1.4.1 Poisson¡¯s ratio 2.1.4.2 Young¡¯s Modulus 2.1.4.3 Mohr¡¯s Circle 2.2 Á¶»ç ¹× Á¤¸® 2.2.1 ¿¬¼ºÀç·á(ductile materials) 2.2.2 Ã뼺Àç·á(brittle materials)¡¦ |
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¼þ½Ç´ë Metal strain sensor Á¦ÀÛ ¹× ¼º´É ºÐ¼® ¿¹ºñ·¹Æ÷Æ® / 1. ½ÇÇè Á¦¸ñ 2. ¹è°æ ¹× ÀÌ·Ð 3. Âü°í ¹®Çå / 1. ½ÇÇè Á¦¸ñ ¼þ½Ç´ë Metal strain sensor Á¦ÀÛ ¹× ¼º´É ºÐ¼® ¿¹ºñ·¹Æ÷Æ®ÀÇ Á¦¸ñÀº `±Ý¼Ó º¯Çü ¼¾¼ÀÇ Á¦ÀÛ ¹× ±× ¼º´É ºÐ¼®À» ÅëÇÑ ÀÀ¿ë °¡´É¼º Ž»ö`ÀÌ´Ù. ÀúÈñ ¿¬±¸ÀÇ ÁÖÁ¦´Â º¯Çü ¼¾¼¸¦ È°¿ëÇÏ¿© ¹°Ã¼ÀÇ º¯ÇüÀ» Á¤¹ÐÇÏ°Ô ÃøÁ¤ÇÏ°í, À̸¦ ÅëÇØ ´Ù¾çÇÑ »ê¾÷ ºÐ¾ß¿¡¼ÀÇ¡¦ |
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¼þ½Ç´ë Metal strain sensor Á¦ÀÛ ¹× ¼º´É ºÐ¼® °á°ú·¹Æ÷Æ® / 1. ½ÇÇè Á¦¸ñ 2. ½ÇÇè ³¯Â¥ 3. ½ÇÇè ¸ñÀû 4. ½Ã¾à ¹× ±â±â 5. ½ÇÇè ¹æ¹ý 6. ½ÇÇè °á°ú 7. °á·Ð ¹× °íÂû / 1. ½ÇÇè Á¦¸ñ À̹ø ½ÇÇèÀÇ Á¦¸ñÀº ¡®¼þ½Ç´ë Metal strain sensor Á¦ÀÛ ¹× ¼º´É ºÐ¼®¡¯ÀÌ´Ù. ÀÌ Á¦¸ñÀº ¿¬±¸ÀÇ Á᫐ ÁÖÁ¦¸¦ ¸íÈ®ÇÏ°Ô µå·¯³»¸ç, ¸ÞÅ» ½ºÆ®·¹ÀÎ ¼¾¼ÀÇ Á¦ÀÛ °úÁ¤°ú ±×¿¡ µû¸¥ ¼º´ÉÀ» ºÐ¼®ÇÏ´Â ¡¦ |
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½ºÆ®·¹ÀÎ ÃøÁ¤ (Strain gage measurement) °á°ú ·¹Æ÷Æ® / 1. ½ºÆ®·¹ÀÎ °ÔÀÌÁöÀÇ ÃøÁ¤¿ø¸® 2. °¢ ÃøÁ¤ ¹æ½Ä¿¡¼ »ç¿ëÇÑ (ÀÎÀå, ºñƲ¸², ±ÁÈû) ȸ·Î¹æ½Ä¿¡ ´ëÇÑ ¼³¸í 2-1. Tensile - Quarter bridge 2-2. Torsion - Half bridge 2-3. bending - Full bridge 3. ½ÇÇè ¹æ¹ý ¹× °á°úºÐ¼® 3-1. ÀÎÀå ½ÇÇè °á°ú °ª `Ç¥-1` 3-2. ºñƲ¸² ½ÇÇè °á°ú °ª `Ç¥-2` 3-3. ±ÁÈû ½ÇÇè °á°ú °ª ¡¦ |
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ÀÎÀå ¾ÐÃà stress strain ½ÇÇè / 1. ½ÇÇè ÀÌ·Ð 1. ÀÀ·Â-º¯Çü·ü(Stress-Strain) 2.ÀÀ·Â-º¯Çü·ü ¼±µµ¿¡ ´ëÇÑ ¼³¸í(stress-strain curve) 3.ÀÀ·Â°ú º¯Çü·üÀÇ °ü°è 4.Ǫ¾Æ¼ººñ(Poisson`s Ratio) 5.¿¬¼º(Ductility) 6.½ºÆ®·¹ÀÎ °ÔÀÌÁö(strain gauge) ±âÃÊ ÀÌ·Ð 7.SS41 ¹°¼ºÄ¡(steel-structure 41 2. ½ÇÇè ¹æ¹ý 3. ½ÇÇè°á°ú 4. ½ÇÇè°á°ú ºÐ¼® ¹× °íÂû (1) Half bridge ¿Í Full¡¦ |
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±â°è°øÇнÇÇè °íü¿ªÇÐ ½ºÆ®·¹ÀΰÔÀÌÁö ½ÇÇè,Strain gauge / 1. Objective 2. ½ÇÇèÀýÂ÷ 3. Task 4. Consideration / 1. Objective ½ºÆ®·¹ÀÎ °ÔÀÌÁö ½ÇÇèÀÇ ÁÖ¿ä ¸ñÇ¥´Â Àç·áÀÇ º¯ÇüÀ» Á¤·®ÀûÀ¸·Î ÃøÁ¤ÇÏ°í À̸¦ ÅëÇØ Àç·áÀÇ ±â°èÀû ¼ºÁúÀ» ÀÌÇØÇÏ´Â °ÍÀÌ´Ù. °íü¿ªÇп¡¼ ¹°Ã¼¿¡ ¿ÜºÎ ÈûÀÌ °¡ÇØÁú ¶§ ¹ß»ýÇÏ´Â º¯ÇüÀº Áß¿äÇÑ ¿¬±¸ ÁÖÁ¦ÀÌ´Ù. ÀÌ·± º¯ÇüÀ» Á¤È®ÇÏ°Ô ÃøÁ¤ÇÏ´Â °ÍÀº À硦 |
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±â°è°øÇнÇÇè2 [A£«ÀÎÁõ] Strain Gauge º¸°í¼ / 1. ½ÇÇè ¿ä¾à 1.1 ½ÇÇè ¸ñÀû 1.2 °á°ú °³¿ä 2. ½ÇÇè °á°ú 2.1 Measured Strain 2.2 ÀÎÀå ÀÀ·Â 2.3 ÀÀ·ÂÁýÁß°è¼ö 2.4 Rectangular Rosette Gauge 2.5 ¿ë¾î Á¤¸® 3. °íÂû 4. Âü°í¹®Çå / 1. ½ÇÇè ¿ä¾à À̹ø ½ÇÇèÀº ½ºÆ®·¹ÀÎ °ÔÀÌÁö¸¦ ÀÌ¿ëÇÏ¿© Àç·áÀÇ º¯Çü·üÀ» ÃøÁ¤ÇÏ°í ºÐ¼®ÇÏ´Â °úÁ¤ÀÌ´Ù. ½ºÆ®·¹ÀÎ °ÔÀÌÁö´Â Àç·á¿¡ ºÎÂøÇÏ¡¦ |
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ÀϹݱäÀåÀÌ·Ð (general strain theory)À¸·Î º» û¼Ò³âÀÚ»ì»ý°¢ / 1. ÁöÀ§Àû ±äÀå°ú ÀÚ»ì»ý°¢ (status strains and suicidal ideation) 2. °ü°èÀû ±äÀå°ú ÀÚ»ì»ý°¢ (relation strains and suicidal ideation) 3. °Ç°±äÀå°ú ÀÚ»ì»ý°¢ (health strain and suicidal ideation) / 1. ÁöÀ§Àû ±äÀå°ú ÀÚ»ì»ý°¢ (status strains and suicidal ideation) ÀϹݱäÀåÀ̷п¡¼ ÁöÀ§Àû ±äÀåÀº Ư¡¦ |
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Ç㸮±Ù¿°Á Lumbosacral strain A£«ÀÚ·á / 1. Áõ»ó 1) ±Þ¼º Ç㸮 ±Ù¿°Á 2) ¸¸¼º Ç㸮 ±Ù¿°Á 2. °£È£»çÁ¤ 3. Ä¡·á¿Í °£È£ / 1. Áõ»ó Ç㸮±Ù¿°Á´ Ç㸮 ºÎÀ§ÀÇ ±ÙÀ°À̳ª Àδ밡 °úµµÇÏ°Ô ´Ã¾î³ª°Å³ª Âõ¾îÁö´Â »óŸ¦ ÀǹÌÇϸç, ÁÖ·Î ½ºÆ®·¹½º¸¦ ¹Þ°Å³ª ºÎ»óÀ» ÀÔ¾úÀ» ¶§ ¹ß»ýÇÑ´Ù. À̸¦ ÅëÇØ ³ªÅ¸³ª´Â Áõ»óÀº »ç¶÷¸¶´Ù ´Ù¸¦ ¼ö ÀÖÁö¸¸, ÀϹÝÀûÀ¸·Î Ç㸮ÀÇ ÅëÁõÀÌ °¡Àå µÎµå·¯Áø¡¦ |
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