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안녕하십니까.

저는 토목설계회사에 근무하고 있습니다.

다름않니라, 이번에엄무를 맡고있는 지하철가시설을 설계하다보니

아래와 같이 고층건물옆에 가시설을 설계하게되어 굴착면(풍화암이하) 이하로 토압이 상당부분이 발생하여

해결이 않되고 있습니다. 하여 무리한 부탁 인줄알지만 한번 DATA를 보시고 조언좀해 주시기 바랍니다.

ytkim@soktop.co.kr로 메일주시면 감사 하겠읍니다.

석탑엔지니어링(99-347)





* 가시설계산

project 정거장 단면 P

soil 1 매립층
4.5 1.8 0.8 0 26 800 0
2 충적층
13.8 1.8 0.8 0 30 2000 0
3 풍화토
24.3 2.0 1.0 1 38 5000 0
4 풍화암
33.9 2.0 2.0 3 39 122000 0 (지반반력계수 실험 DATA임.)
5 연 암
35.2 2.3 2.3 5 40 479000 0 (지반반력계수 실험 DATA임.)
6 경 암
50.0 2.3 2.3 5 45 1399000 (지반반력계수 실험 DATA임.)


vwall 1 34.9 0.08553 0.006100 21000000 1.00 1.0 (CIP D450-1열)
2 41.8 0.01348 0.000215 21000000 1.35 0.915 (H-PILE 300X305X15X15, C.T.C 1.35M)

strut 1 0.3 0.02355 23.8 2 0
2 1.7 0.01348 23.8 3.75 0
3 3.8 0.01348 23.8 3.75 0
4 6.1 0.01348 23.8 3.75 25 (선행하중 JACK 사용)
5 8.4 0.01348 23.8 3.75 50 (선행하중 JACK 사용)
6 10.7 0.01348 23.8 3.75 45 (선행하중 JACK 사용)
7 13.9 0.01348 23.8 3.75 50 (선행하중 JACK 사용)
8 15.6 0.01348 23.8 3.75 25 (선행하중 JACK 사용)
9 18.0 0.01348 23.8 3.75 25 (선행하중 JACK 사용)
10 20.4 0.01348 22.2 3.75 40 (선행하중 JACK 사용)
11 25.2 0.01348 22.2 3.75 35 (선행하중 JACK 사용)
12 29.7 0.01348 22.2 3.75 20 (선행하중 JACK 사용)
13 32.7 0.01348 22.2 3.75 0
14 34.7 0.01348 22.2 3.75 0

anchor 1 22.0 4.94E-04 30 7.5 1.35 10
2 23.6 4.94E-04 30 6.5 1.35 10
3 26.7 4.94E-04 30 5.0 1.35 10
4 28.2 4.94E-04 30 4.5 1.35 10
5 31.2 4.94E-04 30 4.0 1.35
6 35.8 1.01E-03 0 1.5 1.35 (ROCK BOLT D25-2EA, L=3.0M)
7 36.9 1.01E-03 0 1.5 1.35 (ROCK BOLT D25-2EA, L=3.0M)
8 38.0 1.01E-03 0 1.5 1.35 (ROCK BOLT D25-2EA, L=3.0M)
9 39.1 1.01E-03 0 1.5 1.35 (ROCK BOLT D25-2EA, L=3.0M)

division 0.2
output 1
*
step 1 excavation to 1.0
output 0
iteration 20 0.1
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
rankine 1.0 0.0 50
surcharge 1.5
load 19.8 1.2 30.3 40.0 30.3 (근접 건물하중:지상19층, 지하5층)
exca 1.0

step 2 excavation to 2.2 and strut 1
const strut 1
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 2.2

step 3 excavation to 4.3 and strut 2
const strut 2
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 4.3

step 4 excavation to 6.6 and strut 3
const strut 3
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 6.6

STEP 5 excavation to 8.9 and strut 4
const strut 4
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 8.9

STEP 6 excavation to 11.2 and strut 5
const strut 5
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 11.2

STEP 7 excavation to 14.4 and strut 6
const strut 6
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 14.4

STEP 8 excavation to 16.1 and strut 7
const strut 7
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 16.1

STEP 9 excavation to 18.5 and strut 8
const strut 8
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 18.5

STEP 10 excavation to 20.9 and strut 9
const strut 9
water-pressure 21.4 0.00 24.3 3.0 25.3 0.00
exca 20.9

STEP 11 excavation to 22.5 and strut 10
const strut 10
water-pressure 21.7 0.00 24.3 2.6 25.3 0.00
exca 22.5

STEP 12 excavation to 24.1 and anchor 1
const anchor 1
water-pressure 22.2 0.00 24.3 2.1 25.3 0.00
exca 24.1

STEP 13 excavation to 25.7 and anchor 2
const anchor 2
water-pressure 22.7 0.00 24.3 1.7 25.3 0.00
exca 25.7

STEP 14 excavation to 27.2 and strut 11
const strut 11
water-pressure 23.1 0.00 24.3 1.2 25.3 0.00
exca 27.2

STEP 15 excavation to 28.7 and anchor 3
const anchor 3
water-pressure 23.6 0.00 24.3 0.7 25.3 0.00
exca 28.7

STEP 16 excavation to 30.2 and anchor 4
const anchor 4
water-pressure 24.0 0.00 24.3 0.3 25.3 0.00
exca 30.2

STEP 17 excavation to 31.7 and strut 12
const strut 12
water-pressure 24.3 0.00 24.3 0.00 25.3 0.00
exca 31.7

STEP 18 excavation to 33.2 and anchor 5
const anchor 5
exca 33.2

STEP 19 excavation to 35.2 and strut 13
const strut 13
exca 35.2

STEP 20 excavation to 36.3 and strut 14
const strut 14
exca 36.3

STEP 21 excavation to 37.4 and anchor 6
const anchor 6
exca 37.4

STEP 22 excavation to 38.5 and anchor 7
const anchor 7
exca 38.5

STEP 23 excavation to 39.6 and anchor 8
const anchor 8
exca 39.6

STEP 24 excavation to 40.3 and anchor 9
const anchor 9
exca 40.3
ground settlement
insertion check

END