자꾸 질문을 드려 죄송합니다.....그래도 알건 알아야줘..
제가 지식이 좀 모잘라 ...이해하십시요..

다름이 아니오라..아래 데이타중 전자의 경우를 계산하여 그래픽을 보았더니
배면측의 지하수위가..
굴착을했을때 있었던 지하수위가 버팀보를 설치했을때 다음 step의 수위로 내려가는 것을 보았습니다..
그래서 step data를 나누어 계산을 해보았더니(후자) 계산 결과가 서로 상이해서 문의 드립니다...
어떤것을 사용하여야 할까요...

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project type-01

soil 1 토사
18.0 1.9 1.0 0.0 25.0 2500 -1
2 풍화암
25.5 2.0 1.1 1.0 30.0 4000 -1
3 연암
26.5 2.2 1.3 1.5 33.0 6000 -1
4 경암
40.0 2.4 1.5 2.0 35.0 8000

vwall 1 30.5 0.01348 0.000215 21000000 2.0 0.915

strut 1 0.8 0.02355 15.65 2.0 0.0
2 2.3 0.01348 15.65 3.0 5.0
3 4.4 0.01348 15.65 3.0 5.0
4 6.1 0.01348 15.65 3.0 5.0
5 7.7 0.01348 15.65 3.0 5.0
6 9.8 0.01348 15.65 3.0 5.0
7 11.9 0.01348 15.65 3.0 5.0
8 14.0 0.01348 15.65 3.0 5.0
9 16.0 0.01348 15.65 3.0 5.0
10 18.0 0.01348 15.65 3.0 5.0
11 20.0 0.01348 15.65 3.0 5.0
12 21.8 0.01348 15.65 3.0 5.0
13 23.6 0.01348 15.65 3.0 5.0

anchor 1 25.4 0.0010134 0.0 2.0 2.0 0.0
2 27.2 0.0010134 0.0 2.0 2.0 0.0

division 0.1

step 1 excavation 1.3
output 0
surcharge 1.5
bottom hinge
iteration 100 0.01
excavation 1.3
rankine 1.0 0.0 35.0

step 2 strut 1 and excavation 2.8
construction strut 1
excavation 2.8
water pressure 1.6 0.0 2.8 1.2 2.8 1.2

step 3 strut 2 and excavation 4.9
construction strut 2
excavation 4.9
water pressure 1.6 0.0 4.9 3.3 4.9 3.3

step 4 strut 3 and excavation 6.6
construction strut 3
excavation 6.6
water pressure 2.6 0.0 6.6 4.0 6.6 4.0

step 5 strut 4 and excavation 8.2
construction strut 4
excavation 8.2
water pressure 4.2 0.0 8.2 4.0 8.2 4.0

step 6 strut 5 and excavation 10.3
construction strut 5
excavation 10.3
water pressure 6.3 0.0 10.3 4.0 10.3 4.0

step 7 strut 6 and excavation 12.4
construction strut 6
excavation 12.4
water pressure 8.4 0.0 12.4 4.0 12.4 4.0

step 8 strut 7 and excavation 14.5
construction strut 7
excavation 14.5
water pressure 10.5 0.0 14.5 4.0 14.5 4.0

step 9 strut 8 and excavation 16.5
construction strut 8
excavation 16.5
water pressure 12.5 0.0 16.5 4.0 16.5 4.0

step 10 strut 9 and excavation 18.5
construction strut 9
excavation 18.5
water pressure 14.5 0.0 18.0 3.5 18.0 3.5

step 11 strut 10 and excavation 20.5
construction strut 10
excavation 20.5
water pressure 16.5 0.0 18.0 1.5 18.0 1.5

step 12 strut 11 and excavation 22.3
construction strut 11
excavation 22.3
water pressure 28.9 0.0 29.0 0.1 29.0 0.1

step 13 strut 12 and excavation 24.1
construction strut 12
excavation 24.1

step 14 strut 13 and excavation 25.9
construction strut 13
excavation 25.9

step 15 anchor 1 and excavation 27.7
construction anchor 1
excavation 27.7

step 16 anchor 2 and excavation 29.0
construction anchor 2
excavation 29.0
ground setlement
insertion check

step 17 peck check
peck 0.65 0.2 0.0

end
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project type-02

soil 1 토사
18.0 1.9 1.0 0.0 25.0 2500 -1
2 풍화암
25.5 2.0 1.1 1.0 30.0 4000 -1
3 연암
26.5 2.2 1.3 1.5 33.0 6000 -1
4 경암
40.0 2.4 1.5 2.0 35.0 8000

vwall 1 30.5 0.01348 0.000215 21000000 2.0 0.915

strut 1 0.8 0.02355 15.65 2.0 0.0
2 2.3 0.01348 15.65 3.0 5.0
3 4.4 0.01348 15.65 3.0 5.0
4 6.1 0.01348 15.65 3.0 5.0
5 7.7 0.01348 15.65 3.0 5.0
6 9.8 0.01348 15.65 3.0 5.0
7 11.9 0.01348 15.65 3.0 5.0
8 14.0 0.01348 15.65 3.0 5.0
9 16.0 0.01348 15.65 3.0 5.0
10 18.0 0.01348 15.65 3.0 5.0
11 20.0 0.01348 15.65 3.0 5.0
12 21.8 0.01348 15.65 3.0 5.0
13 23.6 0.01348 15.65 3.0 5.0

anchor 1 25.4 0.0010134 0.0 2.0 2.0 0.0
2 27.2 0.0010134 0.0 2.0 2.0 0.0

division 0.1

step 1 excavation 1.3
output 0
surcharge 1.5
bottom hinge
iteration 100 0.01
excavation 1.3
rankine 1.0 0.0 35.0

step 2 strut 1
construction strut 1

step 3 excavation 2.8
water pressure 1.6 0.0 2.8 1.2 2.8 1.2
excavation 2.8

step 4 strut 2
construction strut 2

step 5 excavation 4.9
water pressure 1.6 0.0 4.9 3.3 4.9 3.3
excavation 4.9

step 6 strut 3
construction strut 3

step 7 excavation 6.6
water pressure 2.6 0.0 6.6 4.0 6.6 4.0
excavation 6.6

step 8 strut 4
construction strut 4

step 9 excavation 8.2
water pressure 4.2 0.0 8.2 4.0 8.2 4.0
excavation 8.2

step 10 strut 5
construction strut 5

step 11 excavation 10.3
water pressure 6.3 0.0 10.3 4.0 10.3 4.0
excavation 10.3

step 12 strut 6
construction strut 6

step 13 excavation 12.4
water pressure 8.4 0.0 12.4 4.0 12.4 4.0
excavation 12.4

step 14 strut 7
construction strut 7

step 15 excavation 14.5
water pressure 10.5 0.0 14.5 4.0 14.5 4.0
excavation 14.5

step 16 strut 8
construction strut 8


step 17 excavation 16.5
water pressure 12.5 0.0 16.5 4.0 16.5 4.0
excavation 16.5

step 18 strut 9
construction strut 9


step 19 excavation 18.5
water pressure 14.5 0.0 18.0 3.5 18.0 3.5
excavation 18.5

step 20 strut 10
construction strut 10

step 21 excavation 20.5
water pressure 16.5 0.0 18.0 1.5 18.0 1.5
excavation 20.5

step 22 strut 11
construction strut 11

step 23 excavation 22.3
water pressure 28.9 0.0 29.0 0.1 29.0 0.1
excavation 22.3

step 24 strut 12 and excavation 24.1
construction strut 12
excavation 24.1

step 25 strut 13 and excavation 25.9
construction strut 13
excavation 25.9

step 26 anchor 1 and excavation 27.7
construction anchor 1
excavation 27.7

step 27 anchor 2 and excavation 29.0
construction anchor 2
excavation 29.0
ground setlement
insertion check

step 28 peck check
peck 0.65 0.2 0.0

end
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