5 5 5.1 Open Cut, Open Cut Open Cut 1 2 : : : Heaving Boiling - 13 -
5, 3 4 5 : :, : GL(-)25m GL(-)33.2m - 14 -
5 5.2 1 (Sta 1K460.01K741) 2-1 (H-Pile+) (Sheet Pile) (Sheet Pile) Sheet Pile Open Cut H-Pile+ Sheet Pile Sheet Pile H-Pile+ (H-Pile+) 3 (Sta 2K5202K840) (H-Pile++M.S.G) 4 (H-Pile++L.W S.C.W) Sheet Pile, - 15 -
5 (Sta 1K7412K160) 2-2 (Sta 2K1602K520) (Sheet Pile) (Sheet Pile) (H-Pile++M.S.G) Sheet Pile MSG, H-Pile+ (2K8413K244) H-PILE+(L.W Grouting) H-Pile+(S.C.W) (M.S.G) (2K8413K286.5) C.I.P+H-Pile(L.W Grouting) (Sta. 3K286.53K373, Sta. 3K3093K415) 5 (Sta. 3K3733K309) (C.I.P +L.W Grouting) (H-Pile+(S..C.W)) (TRcM) TRcM - 16 -
5 5.3, TRcM () 5.4 2 ()PH M.S.G 5.5 Open Cut (STABL5M, SLOPE/W) Boiling Heaving 3 FEM (SAP2000) (SEEP/W) (SUNEX) FDM (FLAC) FEM (PENTAGON3D) FDM FEM (FLAC2D, PENTAGON2D) - 17 -
5 5.6 TRcM 5.7 5.8 TRcM() ( ) ( ) - 18 -
5 5.9 5.9.1 3.28km 1.00km, 1.84km, 0.44km 99m 3 () ( 902~908 ), Preloading 5.9.2 Preloading (Preloading ) 1 2 Preloading() (15) Preloading ~ (15) 5.9.3 88 227-99 ( 40) 5.9.4-19 -
5 5.9.5 (1) Control Cab Flow Chart () () Control Cab (2) mm m m m () () 1 2 3 4 1 2 3 30<D 40<D 50<D 60<D 40<D 40<D 60<D 45 45 45 45 45 45 45 0.5 0.7 0.8 1.0 0.5 0.7 0.8 0.5 0.6 0.7 0.8 0.5 0.6 0.7 1.2 1.5 2.0 2.5 1.2 1.5 2.0 kg/hole 0.14 0.23 0.34 0.52 0.20 0.35 0.50 hole/delay 13 12 1 1 12 1 1 kg/delay 0.140.42 0.230.46 0.34 0.52 0.200.40 0.35 0.50 * D : () * : GL-33m ( ) * 67.0m 0.52 kg/delay ( ) * (3) Control Cab (8, 5.14Hz) (11, 9.57Hz) 8.0 Acceleration [gal(cm/sec)] 4.0 0.0-4.0-8.0 0.00 0.02 0.03 0.05 Time [sec] ( 617) 67m 0.52 kg/delay - : 24.0m/sec O.K - : 0.254 gal O.K 80m 0.60 kg/delay - : 21.0 m/sec O.K - : 0.2207 gal O.K 67.0m 0.52kg /delay - 20 -
6 6 6.1 (100 150) p125 + -, : p136 (A, B) (A) (B) - p127 -Footing,, ( Ring cut) p130,,, ( 2) :B p124-21 -
6 System FRP : (120 ) FRP(MSG) : ( 180 ) p129 - - p137 444.75m (404m) 446.45m (404m) 214.65m (235.85m) 62.15m (), R=300,R=300-6 +7-3 -3 ( ) (B, C) Box (C) FRP(MSG) (2), 12, 3 2,31 0.74 1.08 :FRP (m 3 /min/km) (, ) p131, p126 p134 FRP(MSG) (, ) - 22 -
6 6.2 ( p135 ) 0.5D Cycle Time PS 2A PS 2B () 6.3 ( p137 ) (1) (2) (m 3 /min/km) PS-2A(STA.2km850) ECB Sheet (+) PS-2A 2.0(3.0) 1.9 2.5 PS-2B 2.0(3.0) 1.9 2.3 2.6(3.0) - 1.8 (m 3 /min/km) 4.82 1.34 O.K 5.21 1.34 O.K PS-2B(STA.2km960) (STA.3km850) 1Span PS-2A 3.41 0.65 O.K 3.41 0.87 O.K - 23 -
6 6.4 ( p140 ) 3 (3D) 3D 1 5 3D 6.5 ( p143 ) : : - : () 6.6 ( p146 ) PS - 2A D19@C.T.C125mm : 1.22 OK R/B, S/C 9 26 1/20 2 3 3 2 3 D22@C.T.C125mm : 1.40 OK - 24 -