1 말뚝시험의 종류 및 기준 - ssyenc.com

1 212015 I 1 02-3433-7765 E-mail , , , , . , . ( , ). , , , , .. < 1 2>.

2 , , , . 1 ( ) (2005) 150mm1/50, 150mm 75mm1/40 50mm1/50 (2013)D( )/4100mm1/100 (2013) D( )/4100mm1/100 100mm1/100 (2013)100mm-LH (2012) D( )/4100mm1/100 75mm1/40 2 ( ) (FHWA) 150mm1/50 D 60cm, 75mm60cm < D < , 100mmD , 150mm 75mm1/75 150mm1/25 50mm1/50 150mm (NAVFAC)100mm1/50 , LTA75mm1/75 FHWA : Federal Highway AdministrationNAVFAC : Naval Facilities Engineering CommandLTA : Land Transport & Authority2.

3 22 / LH (2012) .2-1. 150 . , , 75 150 , .2-2. 1/50 .. ( ), ( ), , , , , . , (2015) 3 (Loading) (Unloading) ( )8 ( 25%, 50%, 75%, 100%, 125%, 150%, 175%, 200%) ( 2 )

4 200% 12 , 24 25% 1 50% , 10% 20 , 20 , 2 25% 20 20% 8 1 200% 1 20% 1 ( ~ ) : ~ : ~ 50~75mm, 15% , 1 1% 1% 10% 4 50, 100, 150% 1 20 50% 20 10~15% ~15 ( 5 ) , 2~4 ~15 ( 5 ) 4 5.

5 3-1.. , , ( ) 7 , . 3-2. , , . 3. [ 1] (a) (b) 232015 3-3. (Ohio) (Case Western) 1964 . (PDA, Pile Driving Analyzer) CAPWAP(Case Pile Wave Analysis Program).

6 (Jack) (Cell) , . [ 2] . , . , . ( , 2007).

7 [ 5] [ 2] [ ][ ] (expanding)P = F + QFQ = (-) FQQ[ 3] (a) (c) (b) (d) (a) (b) [ 4] 24 / 3-4. ( ) 1% 1 , 100 . ( ).

8 (EOID, End of Initial Driving Test) ( 1~2 ) (Restrike Test) . (EOID) ( ) 1% ( 100 1 ) .. < 4 5> . 4 ( ) (2015) 1% 1 1%( 2%) 1 1% 1 (2005) 250 1 ( ) 1 80 : 2 160 : 3 161 : 4 LH (2012) 250 1 ( ) 1 1%, 1 1 , 250 250 1.

9 1 1 . 5 ( , LTA) (Bored Pile) (Barrettes Pile) (Driven Pile) (UltimateLoad Test)2 2 2 (WorkingLoad Test) 1%( 2 )- 1%( 2 ) (Dynamic Pile Test) 3%( 3 ) 5%( 5 )- (PDA & CAPWAP)-- 3%( 3 ) , , . KS . , , , , , (Integrity Test).

10 3 . CSL(Cross-hole Sonic Loggings) ( ) (Low-strain) (Impact Echo, PIT : Pile Integrity Test) (Coring) < 6> 3 . 6 CSL ( 30 ) 4. 252015 4-1. (CSL ) (CSL) , 7 . 2 5cm ( ) ( ) (Logging).