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Architecture & Urban Research Institute

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³í¹®¸í Àü·ù·®À» ÀÌ¿ëÇÑ ÅäÅ© Àü´ÜÇü °í·Âº¼Æ® Ãà·Â °Ë»ç ±â¹ý °³¹ß / Develope a Device to Inspect the Tension of Torque-Shear High Strength Bolts by using Current
ÀúÀÚ¸í ³ªÈ¯¼±(Nah, Hwan Seon)½Äº°ÀúÀÚ ; ÃÖ¼º¸ð(Choi, Sung Mo)½Äº°ÀúÀÚ
¹ßÇà»ç Çѱ¹°­±¸Á¶ÇÐȸ
¼ö·Ï»çÇ× Çѱ¹°­±¸Á¶ÇÐȸ Çмú¹ßÇ¥´ëȸ ³í¹®Áý, Vol.27 No.1 (2016-06)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(205) ÃÑÆäÀÌÁö(2)
ISSN 2287-111X
ÁÖÁ¦ºÐ·ù ±¸Á¶
ÁÖÁ¦¾î ; bolt ; tension ; current ; wrench ; regression
¿ä¾à2 The clamping of torque shear high strength bolt is induced when the pin-tail is broken. However the tension forces induced shank of the bolt do not be known by now. This study focused to develop a quantitative method to identify the induced tension by analyzing the electric energy of which electric torque wrench was applied to high strength bolt at the break of pin tail. Based on this co-relation between tension and accumulated current, the regressive analysis was derived. ;T = 0.0043*A.C + 88.308. The error rate between tension and accumulated current was 4.97%.
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