mektan fellenius

Post on 01-Jun-2018

226 views

Category:

Documents

0 download

Embed Size (px)

TRANSCRIPT

  • 8/9/2019 mektan fellenius

    1/24

  • 8/9/2019 mektan fellenius

    2/24

  • 8/9/2019 mektan fellenius

    3/24

    Cos θ

    8=Cos(1)

    0.225

    0.423

    0.545

    0.629

    0.707

    0.777

    0.819

    16= 7+15

    47.406

    46.856

    33.387

    27.861

    12.295

    11.169

    10.840

    189.814

    c.a %#W Cos θ - u.a$tgφ

  • 8/9/2019 mektan fellenius

    4/24

  • 8/9/2019 mektan fellenius

    5/24

  • 8/9/2019 mektan fellenius

    6/24

  • 8/9/2019 mektan fellenius

    7/24

    Trial k

    Slice θ W a c b Cos θ Sin θ u u.b 1 2 3 4 5 6 7= tan(5) 8 = Cos(1) 9 = Cos(1) 10 11 = 10.6

    1 77 5.5335 3.1400 14.9 26.49 0.500 #REF! 0.224951 #REF! 0.000 0.000

    2 65 10.7400 3.0090 15 27.29 0.500 #REF! 0.422618 #REF! 0.400 0.200

    3 57 14.0070 2.0930 15 27.29 0.500 #REF! 0.544639 #REF! 1.800 0.900

    4 51 16.3660 1.6570 15 27.29 0.500 #REF! 0.629320 #REF! 2.700 1.350

    5 45 18.4770 1.4390 4.9 31.79 0.500 #REF! 0.707107 #REF! 3.200 1.600

    6 39 15.4600 1.3950 4.9 31.79 0.500 #REF! 0.777146 #REF! 3.600 1.800

    7 35 9.7120 2.2670 4.9 31.79 0.500 #REF! 0.819152 #REF! 3.700 1.850

    8 0 0.0000 0.0000 0 0 0.575 #REF! 0.000000 #REF! 0.000 0.000

     Diinginkan FS = 1,5   Maka:

    Slice Cos θ Sin θ

    FS  8 9 7 14 = 8 +((9.7)/FS) 15 = (1)/13 16 = 15. [12 + (13.7)]

    1 0.224951 #REF! #REF!

    1.5

    #REF! #REF!   #REF!  

    2 0.422618 #REF! #REF! #REF! #REF!   #REF!  

    3 0.544639 #REF! #REF! #REF! #REF!   #REF!  

    4 0.629320 #REF! #REF! #REF! #REF!   #REF!  

    5 0.707107 #REF! #REF! #REF! #REF!   #REF!  

    6 0.777146 #REF! #REF! #REF! #REF!   #REF!  

    7 0.819152 #REF! #REF! #REF! #REF!   #REF!  

    8 0.000000 #REF! #REF! #REF! #REF!   #REF!  

    ∑ = #REF!

    Safety Factor = ∑ [W Sin θ]

    Safety Factor = &'(")

    Tabel Perhitungan Safety Factor  engan !etoe *isho+

     φ tan φ

    tan φ Mθ = Cos θ + (tanφ.Sinθ)/FS 1,!θ  1/M θ  . [c.b + (!".b#tanφ ]

    ∑ 1,! θ. [c.b %#W- u.b$tgφ]

  • 8/9/2019 mektan fellenius

    8/24

  • 8/9/2019 mektan fellenius

    9/24

  • 8/9/2019 mektan fellenius

    10/24

  • 8/9/2019 mektan fellenius

    11/24

    W - u.b 13 = 2-11

    5.5335

    10.5400

    13.1070

    15.0160

    16.8770

    13.6600

    7.8620

    0.0000

  • 8/9/2019 mektan fellenius

    12/24

  • 8/9/2019 mektan fellenius

    13/24

  • 8/9/2019 mektan fellenius

    14/24

  • 8/9/2019 mektan fellenius

    15/24

  • 8/9/2019 mektan fellenius

    16/24

  • 8/9/2019 mektan fellenius

    17/24

  • 8/9/2019 mektan fellenius

    18/24

  • 8/9/2019 mektan fellenius

    19/24

  • 8/9/2019 mektan fellenius

    20/24

  • 8/9/2019 mektan fellenius

    21/24

  • 8/9/2019 mektan fellenius

    22/24

  • 8/9/2019 mektan fellenius

    23/24

    Trial ke = 1

    Slice θ W c b Cos θ Sin θ u u.b c.b W - u.b

    1 2 3 4 5 6= tan(4) 7 = Cos(1) 8 = Sin(1) 9 10 = 9.5 11 = 3.5 12 = 2-10

    1 70 2.160 1.4 16 1 0.287

      0.342 0.940

      0.000 0 1.4 2.160

    2 62 5.310 0.2 28 1 0.532   0.469 0.883   0.000 0 0.2 5.310

    3 55 7.260 0.2 28 1 0.532   0.574 0.819   1.100 1.1 0.2 6.160

    4 49 9.060 0.2 28 1 0.532   0.656 0.755   2.100 2.1 0.2 6.960

    5 44 10.560 0.2 28 1 0.532   0.719 0.695   2.800 2.8 0.2 7.760

    6 40 11.910 0.2 28 1 0.532   0.766 0.643   3.400 3.4 0.2 8.510

    7 35 13.110 0.2 28 1 0.532   0.819 0.574   3.800 3.8 0.2 9.310

    8 31 14.250 0.1 37 1 0.754   0.857 0.515   4.100 4.1 0.1 10.150

    9 27 15.330   0.1 37 1 0.754   0.891 0.454 4.200   4.2 0.1 11.130

    10 23 16.230 0.1 37 1 0.754   0.921 0.391   4.100 4.1 0.1 12.130

    11 19 7.800 0.1 37 1 0.754   0.946 0.326 3.800   3.8 0.1 4.000

     Diinginkan FS = 1,5

    Slice Cos θ Sin θ

    FS  7 8 6 13 = 7 +((8.6)/FS) 14 = (1)/13 15 = 14. [11 + (12.6)]

    1 0.342 0.940 0.287   1.5   0.5217 1.9170   3.8711

    2 0.469 0.883 0.532   1.5   0.7825 1.2780   3.8640

    3 0.574 0.819 0.532   1.5   0.8639 1.1575   4.0226

    4 0.656 0.755 0.532   1.5   0.9236 1.0827   4.2234

    5 0.719 0.695 0.532   1.5   0.9656 1.0356   4.4803

    6 0.766 0.643 0.532   1.5   0.9939 1.0061   4.7539

    7 0.819 0.574 0.532   1.5   1.0225 0.9780   5.0370

    8 0.857 0.515 0.754   1.5   1.1159 0.8961   6.9437

    9   0.891 0.454 0.754   1.5   1.1191 0.8936   7.5840

    10 0.921 0.391 0.754   1.5   1.1168 0.8954   8.2742

    11 0.946 0.326 0.754   1.5   1.1091 0.9017   2.8079

    55.8622

    ∑=

    Safety Factor = ∑ [W Sin θ]

    Safety Factor = ./07

    Tabel Perhitungan Safety Factor  engan !etoe *isho+

     φ tan φ

    tan φ Mθ = Cos θ + (tanφ.Sinθ)/FS 1,!θ  1/M θ  . [c.b + (!".b#tanφ ]

      ! θ. [c.b %#W- u.b$tgφ]

  • 8/9/2019 mektan fellenius

    24/24

    W Sin θ

    16 = %2&%8&

    2.030

    4.688

    5.947 6.838

    7.336

    7.656

    7.520

    7.339

    6.960

    6.342

    2.539

    65.1