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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.4, 2002³â, pp.271-283
ÄÜÅ©¸®Æ® Áö¹Ý±¸Á¶¹°ÀÇ ºñÆÄ±«°Ë»ç¸¦ À§ÇÑ Ãæ°Ý¹ÝÇâ-Ç¥¸éÆÄ º´Çà±â¹ý : II. ½ÇÇèÀû ¿¬±¸
( IE-SASW Method for Nondestructive Testing of Geotechnical Concrete Structure : II. Experimental Studies )
±èµ¿¼ö;¼­¿ø¼®;À̱¤¸í; Çѱ¹°úÇбâ¼ú¿ø °Ç¼³ ¹× ȯ°æ°øÇаú;Çѱ¹°úÇбâ¼ú¿ø °Ç¼³ ¹× ȯ°æ°øÇаú;¼º±Õ°ü´ëÇб³ Åä¸ñ°øÇаú;
 
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P-wave velocity of concrete is a crucial parameter in determining the thickness of concrete lining, the location of cracks or other defects in Impact-Echo(IE) method. This study introduces an IE-SASW method that may determine the P-wave velocity on a surface of each testing area using the Spectral Analysis of Surface Wave (SASW) method. In numerical studies(Part I), it was verified that P-wave velocities could be obtained from SASW. In this paper(Part II), experimental studies were made in slab type concrete model specimens in which voids and waterproof sheet were included at the known locations. Accordingly, the feasibility of the proposed method was evaluated. The IE-SASW method was also performed in the precast model tunnel on ground and open-cut tunnel in ground. SASW tests were performed to determine the P-wave velocity of the concrete and then IE tests were carried at regularly spaced points along the testing lines to determine the thickness of structures. The nondestructive testing method which combined SASW and IE tests showed the great potential in the field applications.
 
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Experimental studies;Field applications;IE-SASW method;Model slab;Open-cut tunnel;Precast model tunnel;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.4, 2002³â, pp.271-283
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921342147)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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