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Appendix to report:

SBJ-33-C5-OON-22-RE-022

MARINE GEOTECHNICAL DESIGN

Appendix title:

APPENDIX F: PLAXIS – SUCTION ANCHOR, FAILURE MODES

Contract no: 18/91094 Project number: 5187772/12777

Document number: SBJ-33-C5-OON-22-RE-022 App. F

Date: 15.08.2019

Revision: 0

Number of pages: 114

Prepared by: Johannes Mydland Controlled by: Knut-Helge Bergseth Approved by: Kolbjørn Høyland

CONCEPT DEVELOPMENT FLOATING BRIDGE E39 BJØRNAFJORDEN

(2)

Table of Content

1 ANCHOR PROFILE 1 ... 3

1.1 Intact soil ... 3

1.2 Top soil layer remoulded... 11

2 ANCHOR PROFILE 2 ... 17

2.1 Intact soil ... 17

2.2 Top soil layer remoulded... 25

3 ANCHOR PROFILE 3 ... 31

3.1 Intact soil ... 31

3.2 Top soil layer remoulded... 39

4 ANCHOR PROFILE 4 ... 45

4.1 Intact soil ... 45

4.2 Top soil layer remoulded... 53

5 ANCHOR PROFILE 5 ... 59

5.1 Intact soil ... 59

5.2 Top soil layer remoulded... 67

6 ANCHOR PROFILE 6 ... 73

6.1 Intact soil ... 73

6.2 Top soil layer remoulded... 81

7 ANCHOR PROFILE 13 ... 87

7.1 Intact soil ... 87

7.2 Top soil layer remoulded... 95

8 ANCHOR PROFILE 14 ... 101

8.1 Intact soil ... 101

8.2 Top soil layer remoulded... 109

(3)

1 ANCHOR PROFILE 1 3

1.1 Intact soil

1.1.1 Model

(4)

4 1.1.2 Undrained local slope stability

(5)

1.1.3 Drained local slope stability 5

(6)

6 1.1.4 Vertical failure mode

(7)

1.1.5 Horizontal failure mode 7

(8)

8 1.1.6 2/3 from skirt tip

(9)

1.1.7 1/2 from skirt tip 9

(10)

10 1.1.8 1/3 from skirt tip

(11)

1.2 Top soil layer remoulded 11

1.2.1 Model

(12)

12 1.2.2 Vertical failure mode

(13)

1.2.3 Horizontal failure mode 13

(14)

14 1.2.4 2/3 from skirt tip

(15)

1.2.5 1/2 from skirt tip 15

(16)

16 1.2.6 1/3 from skirt tip

(17)

2 ANCHOR PROFILE 2 17

2.1 Intact soil

2.1.1 Model

Fl at te n ed o u t d u e to n u me ri cal i ssu es .

(18)

18 2.1.2 Undrained local slope stability

(19)

2.1.3 Drained local slope stability 19

(20)

20 2.1.4 Vertical failure mode

(21)

2.1.5 Horizontal failure mode 21

(22)

22 2.1.6 2/3 from skirt tip

(23)

2.1.7 1/2 from skirt tip 23

(24)

24 2.1.8 1/3 from skirt tip

(25)

2.2 Top soil layer remoulded 25 2.2.1 Model

Fl at te n ed o u t d u e to n u me ri cal i ssu es.

(26)

26 2.2.2 Vertical failure mode

(27)

2.2.3 Horizontal failure mode 27

(28)

28 2.2.4 2/3 from skirt tip

(29)

2.2.5 1/2 from skirt tip 29

(30)

30 2.2.6 1/3 from skirt tip

(31)

3 ANCHOR PROFILE 3 31

3.1 Intact soil

3.1.1 Model

(32)

32 3.1.2 Undrained local slope stability

(33)

3.1.3 Drained local slope stability 33

(34)

34 3.1.4 Vertical failure mode

(35)

3.1.5 Horizontal failure mode 35

(36)

36 3.1.6 2/3 from skirt tip

(37)

3.1.7 1/2 from skirt tip 37

(38)

38 3.1.8 1/3 from skirt tip

(39)

3.2 Top soil layer remoulded 39

3.2.1 Model

(40)

40 3.2.2 Vertical failure mode

(41)

3.2.3 Horizontal failure mode 41

(42)

42 3.2.4 2/3 from skirt tip

(43)

3.2.5 1/2 from skirt tip 43

(44)

44 3.2.6 1/3 from skirt tip

(45)

4 ANCHOR PROFILE 4 45

4.1 Intact soil

4.1.1 Model

(46)

46 4.1.2 Undrained local slope stability

(47)

4.1.3 Drained local slope stability 47

(48)

48 4.1.4 Vertical failure mode

(49)

4.1.5 Horizontal failure mode 49

(50)

50 4.1.6 2/3 from skirt tip

(51)

4.1.7 1/2 from skirt tip 51

(52)

52 4.1.8 1/3 from skirt tip

(53)

4.2 Top soil layer remoulded 53

4.2.1 Model

(54)

54 4.2.2 Vertical failure mode

(55)

4.2.3 Horizontal failure mode 55

(56)

56 4.2.4 2/3 from skirt tip

(57)

4.2.5 1/2 from skirt tip 57

(58)

58 4.2.6 1/3 from skirt tip

(59)

5 ANCHOR PROFILE 5 59

5.1 Intact soil

5.1.1 Model

(60)

60 5.1.2 Undrained local slope stability

(61)

5.1.3 Drained local slope stability 61

(62)

62 5.1.4 Vertical failure mode

(63)

5.1.5 Horizontal failure mode 63

(64)

64 5.1.6 2/3 from skirt tip

(65)

5.1.7 1/2 from skirt tip 65

(66)

66 5.1.8 1/3 from skirt tip

(67)

5.2 Top soil layer remoulded 67

5.2.1 Model

(68)

68 5.2.2 Vertical failure mode

(69)

5.2.3 Horizontal failure mode 69

(70)

70 5.2.4 2/3 from skirt tip

(71)

5.2.5 1/2 from skirt tip 71

(72)

72 5.2.6 1/3 from skirt tip

(73)

6 ANCHOR PROFILE 6 73

6.1 Intact soil

6.1.1 Model

(74)

74 6.1.2 Undrained local slope stability

(75)

6.1.3 Drained local slope stability 75

(76)

76 6.1.4 Vertical failure mode

(77)

6.1.5 Horizontal failure mode 77

(78)

78 6.1.6 2/3 from skirt tip

(79)

6.1.7 1/2 from skirt tip 79

(80)

80 6.1.8 1/3 from skirt tip

(81)

6.2 Top soil layer remoulded 81

6.2.1 Model

(82)

82 6.2.2 Vertical failure mode

(83)

6.2.3 Horizontal failure mode 83

(84)

84 6.2.4 2/3 from skirt tip

(85)

6.2.5 1/2 from skirt tip 85

(86)

86 6.2.6 1/3 from skirt tip

(87)

7 ANCHOR PROFILE 13 87

7.1 Intact soil

7.1.1 Model

(88)

88 7.1.2 Undrained local slope stability

(89)

7.1.3 Drained local slope stability 89

(90)

90 7.1.4 Vertical failure mode

(91)

7.1.5 Horizontal failure mode 91

(92)

92 7.1.6 2/3 from skirt tip

(93)

7.1.7 1/2 from skirt tip 93

(94)

94 7.1.8 1/3 from skirt tip

(95)

7.2 Top soil layer remoulded 95

7.2.1 Model

(96)

96 7.2.2 Vertical failure mode

(97)

7.2.3 Horizontal failure mode 97

(98)

98 7.2.4 2/3 from skirt tip

(99)

7.2.5 1/2 from skirt tip 99

(100)

100 7.2.6 1/3 from skirt tip

(101)

8 ANCHOR PROFILE 14 101

8.1 Intact soil

8.1.1 Model

(102)

102 8.1.2 Undrained local slope stability

(103)

8.1.3 Drained local slope stability 103

(104)

104 8.1.4 Vertical failure mode

(105)

8.1.5 Horizontal failure mode 105

(106)

106 8.1.6 2/3 from skirt tip

(107)

8.1.7 1/2 from skirt tip 107

(108)

108 8.1.8 1/3 from skirt tip

(109)

8.2 Top soil layer remoulded 109

8.2.1 Model

(110)

110 8.2.2 Vertical failure mode

(111)

8.2.3 Horizontal failure mode 111

(112)

112 8.2.4 2/3 from skirt tip

(113)

8.2.5 1/2 from skirt tip 113

(114)

114 8.2.6 1/3 from skirt tip

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