9118 154 B-1 B-3 B-
5cm 3cm 5cm 3m18m5.4m.5m.66m1.3m 1.13m 1.134m 1.35m.665m
5
, 4 13
7 56 M 1586.1.18 7.77.9 599.5.8 7 1596.9.5 7.57.75 684.11.9 8.5 165..3 7.9 87.8.11 6.57. 166.6.16 7.57.6 856 6.6.5 1665.6.5 6 7. 177.1.8 8.4 881.1.13 6.4 1711.1. 6.7 887.8.6 8.8.5 1751.3.6 5.56. 89.7.1 6 1789.5.1 6.97.1 934.7.16 6 1819.8. 7.7.5 938.5. 7 183.8.19 6.36.7 976.7. 6.7 1854.7.9 7.7.5 17.1.1 6.6.5 1854.1.3 8.4 191.9.8 6.6.5 1854.1.4 8.4 193.3.19 6.6.3 1864.3.6 6.3 196.1.17 8.8.5 1891.1.8 8 199.. 8.8.3 1899.3.7 7 1177.11.6 6.6.5 196.5.5 6. 1185.8.13 7.4 199.8.14 6.8 1317.5.7 6.57. 1916.11.6 6.1 135.1.5 6.56.75 195.5.3 6.8 1331.815 7. 197.3.7 7.3 135.7.16 6 1936..1 6.4 136.11. 7.58. 1938.1.1 6.7 1361.8.3 8.58.5 1944.1.7 7.9 143 7 1946.1.1 8 148.1.1 7.58. 1949.1. 6.3 1449.5.13 5.756.5 195.7.18 6.8 1494.6.19 6 1955.7.7 6.7 1498.9. 8.8.4 1961.8.19 7 151.9.1 6.57. 1963.3.7 6.9 15.4.4 7.7.75 1995.1.17 7. 1579..5 5.756.5 kgf/cm
15%
36 B-1 B-1.8-1.m 1.9-.m.9-3.m 3.9-4.m 4.5-4.6m 5.5-5.6m 5.9-6.m 3 RI w (%) w (%) w (%) 5 1 15 5 3 5 1 15 5 3 5 1 15 5 3 1 1 1 (m) 3 4 (m) 3 4 (m) 3 4 5 6 B-1 5 6 B- 5 6 B-3
RI RI (cm) (g/cm 3 ) 1. 1.4 1.6 1.8 1 3 4 5 6 7 8 9 B-3-3 1 5cm1cm (cm) (g/cm 3 ) 1. 1.4 1.6 1.8 1 3 4 5 6 7 8 9 B-1-1 (cm) (g/cm 3 ) 1. 1.4 1.6 1.8 1 3 4 5 6 7 8 9 B-- 1 PS (cm) (g/cm 3 ) 1. 1.4 1.6 1.8 1 3 4 5 6 7 8 9 B-3-3 1 13 (m) B-1 (m/s) 5 (m/s) 4 6 Vp=3 Vs=7 1 Vp=4 Vs=8 3 Vp=54 Vs=11 4 Vp=77 Vs= 5 Vp=99 Vs=9 6 ν : E : G : ν :.471 E : 1 MPa G : 7. MPa ν :.479 E : 8.4 MPa G : 9.6 MPa ν :.478 E : 57. MPa G : 19.4 MPa ν :.456 E : 13 MPa G : 73.1 MPa ν :.44 E : 39 MPa G : 135 MPa (m) B- (m/s) 5 (m/s) 4 6 Vs=5 Vp=3 1 Vp=46 Vs=7 Vs=13 Vp=64 3 Vs=6 Vp=86 4 5 6 ν : E : G : ν :.486 E : 1.7 MPa G : 3.6 MPa ν :.488 E : 1 MPa G : 7.1 MPa ν :.478 E : 8.4 MPa G : 7.9 MPa ν :.45 E : 349 MPa G : 1 MPa ν :.45 E : 357 MPa G : 13 MPa (m) 1 3 4 5 B-3 PS 5 (m/s) (m/s) 4 6 Vp=3 Vs=3 Vs=6 Vs=16 Vs=34 Vp=56 Vp=68 Vp=89 ν : E : G : ν :.495 E : 3. MPa G : 1.1 MPa ν :.456 E : 18 MPa G : 37.1 MPa ν :.414 E : 31 MPa G : 114 MPa ν :.415 E : 537 MPa G : 19 MPa P 1m/s S 3m/s S7 16m/s S 15m/s 34m/s PS 6
616 618 8cm 618 7 3 713 714 78 737
73 743 4 3 13 83
45cm4.5kg 3cm qu ( 1 kn/m ) log(qu)=.978log()+.599 (N/mm) kgf/cm 1cm 1cm 1cm
11 ABC K UVWX H 45cm 57cm 57cm 1cm 1cm () 61 kn/m 41 kn/m 1cm q u 481 kn/m q u 811 kn/m γ16.43kn/m 3 c c φ 4.5 93cm q max 44 kn/m 45 1 1 Wext = q d + γ t γ 1 ( h d ) d + d V = q + t h d d V Wint = ( h d ) c V + d c V + d c V1 = h c V + d c V = ( h + d ) c V W ext W int 1 q + γ t h d d V = ( h + d ) c V γ t =16.43kN/m 3, c = 1kN/m, d =.93m, h =.7m q = 453.6 kn/m h d 1 V1 d q 45 V
F s = q /q max = 453.6 /44 = 1.3 H L H (kn) 1 13.7 15. 3 14. 4 11.1 11.9 8. 1 8.1 6.4 3 6.7 1 8.5 7.4 3 5.1 1 11. 1.8 3 1. 4 7.6 ρ t (g/cm 3 ) 1.33 ρ sat (g/cm 3 ) 1.595 ρ d (g/cm 3 ) 1.74.315 5. 3.1 9. 4 9 1 3 1 6 7 5 8 13 1 11 14 16 15 1 cm 8 cm q u (1 q kn/m u (MN/m ) ) 5 5 1 15 5 5MN/m 5MN/m 5.6MN/m 7. MN/m 7.5 MN/m (ΜN/m ) B A ( 1 6 ) ( 1 6 ) 6.39MN/m E 5 1.46E+3MN/m ν s.79 1.6MN/m P 1.99 km/s S.9 km/s E d.9e+3mn/m ν d.373
τ (kn/m ) δ (mm) τ (kn/m ) σ (kn/m ) c = 5 kn/m, φ =37.5 P* 4 F 1 P*cos8.6 Q* S* S* Q* 4 P* 4 1 9cm 4 4c P1 (=P) F1 9cm 1 W1 9cm 9cm 43.5c 57.cm W F P (=P1) R f 1 S* = P* sin8.6 =.478P* Q* = P* cos8.6 tan37.5 =.66P* Fs = Q*/S* = 66P* /.478P* = 1.385 > 1 4cm P1 (=P) A f F W1 43.5cm h R h A R f F F F W W 57.cm P (=P1) P 1 R cosθ - µ' R sinθ = F 1 W 1 R sinθ + µ' R cosθ = F W + R sinθ µ' R cosθ = 4 P 1 + 43.5 W 1 9 F 1 h R = 4 P 57. W + 9 F + h R = R = 7.447 knµ =.375h = 3.cm h = 3.cm < 6/cos= 66cm µ =.375tan.637.5 µ =.8 µ 1 = F 1 /P = 7.873/9.3.7 µ = F /P = 6.671/9.3.3 P 1 = P = 9.3 knw 1 = 8.161kNW = 6.383kNθ = R, µ, F 1, F, h
c=, φ=35 γ t =16.43kN/m 3 RI LH (kn/m ) : 8.51 3 (kn/m ) (kn/m ) : 6. 1 4 1.63 1 5 1.63 1 5 4 6.13 1 3 4.33 1 4 8.51 1 4 3 1.6m 6.59 1 3 4.86 1 4 9.59 1 4 L H 1.4m 3 4.93 1 3 3.34 1 4 6.49 1 4 3 5.19 1 3 3.58 1 4 6.97 1 4 1.98 1 4 5.11 1 4 1.16 1 5. 1 4 5.16 1 4 1.17 1 5.5m 1.79 1 4 4.58 1 4 1. 1 5 1 L H 1.4m 1.84 1 4 4.73 1 4 1.6 1 5 L H.m 1.7 1 4 4.34 1 4 9.56 1 4 1 1.9 1 4 4.9 1 4 1.1 1 5 1.88 1 4 4.83 1 4 1.8 1 5 1