????? ?????? stability of slopes

1
????? ??????stability of slopes
2
?????

• ????? ?????? ?? ?????? ?? ??????(??? ??????) ???
  ???? ?????? ?? ???? ?????? ??????? (?????
  ???????) ? ?? ????? ?????? ???????? ?????? ??????
  ? ?????? ??? ????? ??????? ?? ??? ????? ???????
  ?? ?????? ? ??? ????? ??? ????? ?????? ????????
  ???? ?????? ? ????? ? ????? ??????? ? ?????? ?
  ??? ????? ??????? ?? ??????? ???? ??? ??????? ??
  ??????? ?? ?????.
• ???? ?? ??? ?????? ??? ?????? ?????? ????? ??
  ????? ???? ????? ?? ?????? ????? ? ?? ?????
  ???????? ??????? ??????? ?????? ??? ????????
  ??????? ? ??? ????? ?????? ???? ?????? ? ???? ???
  ????? ?????? ?????? ? ?? ????? ???? ????? ??????
  ?????? ?? ????? ??????? ? ??? ???? ?? ?????.

3
????? ?????? ???????? ?? ??????

1. ?????? ???????
2. ?????? ???? ??????? ??????
3. ?????? ?????? ??????
4. ?????? ????????

4
????? ??????

• ????? ?????? ????? ?????-
• ?????-
• ????? ????? ?????? ?????? ?? ??? ?????? ?????
  ???? ???? ??? ??????? ???? ?? 1.50
• 1-1- ????? ?????? ?????? ????? ??????? (????? ??
  ?????).
• 1- 2- ?????? ??????? ?????????
• 1-3- ?????? ????????? ? ??? ?????? (???? ??
  ?????? ??????? ? ??????)
• 2-1- ????? ?????? ?????? ????? ??????? ?? ????
  ???? ???? ?????
• 2-2- ?????? ??????? ????????? ?? ???? ???? ????
  ?????
• 2-3- ?????? ????????? ? ??? ?????? (???? ??
  ?????? ??????? ? ??????) ?? ???? ???? ???? ?????

5

• ????? ?????? ???????-
• 1-1- ?????? ??????? (???????)(????? ???????????)
• 1-2- ?????? ??????Cohesionless Soil
• 1-3- ?????? ?????? ??? ?????? ??????? ? ??????
  (C-f Soil)

6
??????? ????

• ???? ??????? ????? ?????? ????? ?????? ?? ??? ??
  ???????? ? ??? ??? ????? ?????? ?? ??? ?????? ?
  ???? ??? ????? ? ????? ??? ??????? ??? ?????-
• ??? ??? ????? ?????? ?1.5?????? ???? ????? ? ????
  ????
• ??? ??? ????? ?????? ?1.5????? ????? ??? ??? ?
  ?????? ??? ???? ????? ? ?????? ?? ???????? ????
  ?? ????? ???????-
• ??? ????? ????? ? ??? ?????? ????? ????? ???
  ??????
• ??? ?? ????? ???? ????? ????? ????? ???? ???????
  ?? ?????? ???? ???? ???? ??? ????? ??????? ????
  ???? ?? ????? ????? ???????? ??? ??????? ? ???
  ???? ????? ? ????? ????? ???? ?? ???????? ??
  ????? ???? ?? ??? ?? 1.00 ??? ??? ?????
• ????? ???? ????? ???????? ??? ???????? ?? ?????
  ???? ?????? ???? ????? ??? ??????
• ????? ?????? ???????? ????? ?? ??????? ??
  ????????? ?? ??????? ???? ??? ?????? ??? ?????
  ????? ? ??????
• ??????? ????? ???????? ?? ??????? ??????????
  ??????? ? ??????? ? ??????? ??????? ? ????????
• ?????? ?? ???? ?????? ??? ???? ?????
• ??????? ?????????? ? ?? ????? ?? ????? ?????
  ?????? ?? ????????? ??? ??????? ? ???? ?? ????
  ????????? ????? ?????? ???? ??? ????? ?? ??? ?????

7
????? ????????? ????? ??????? STATIC SLOPE
STABILITY ANALYSIS

• ???? ?????? ??? ?????? ????? ??? ?? ?????? ????
  ???? ???????? ???????? ??? ??????? ?????? ????
  ????????? ??? ??? ???????? ???????. ??????? ????
  ???? ???? ???? ???? ???????? ?????? ??? ???????
  ??? ????? ???????? ??????? ?????? ??? ??????
  ??????????? ???????? ???????? ?????? ???
  ??????????? ???? ???? ??????. ??? ?????
  ??????????? ????????? ????? ???? ????????????
  ???????. ????? ??? ?????? ?? ???? ????? ???????
  ????????? ?????? ??????????? ????????? ????? ???
  ??????? ??????????? ???????? ???? ???? ???? ?????
  ?????? ????????? ????? ??????.
• ??? ???? ????? ????? ????????? ????? ??? ??????
  ??????? ???? ???. ??? ??? ??? ?????? ?????? ????
  ??????? ?????????? ?????? ?????? (Duncan, 1992).
  ????? ?????? ??? ??????? ????? ???? ?????
  ????????? ?? ?????????????? ???????????? ??????
  ???? ????? ?????? (National Research Council,
  1976)? ???????? (Chowdhury, 1978) ? ????? (Huang,
  1983). ???????? ??? ???? ????? ??????? ?????????
  ?????? ????????? ?????????? ?????????? ???
  ??????????????? ??????????? ??????????? (limit
  equilibrium analysis) ? ??????? ????? ? ??????
  (Stress deformation analyses) .

8
??????? ??????? ?????? Limit Equilibrium Analysis

• ????? ??????? ??????? ?????? ????? ????? ?/??
  ????? ????? ?? ?????? ??? ??? ?????? ?????.
  ?????? ?? ???? ?????? ??? ??? ???????? ?????????
  ???? (?????? ???? ?? ???? ???? ??? ??? ???
  ???????? ???????). ?????? ?? ???? ?????? ????
  ????????? ?????? ??? ??? ?????? ?? ?? ?????? ???
  ??? ???????? ???????. ???????? ???? ????? ??????
  ?????? ??? ?? ??? ????????. ????? ????? ?? ????
  ?????? ??? ??? ???????? ??????? ???? ? ????
  ?????? ????? (10.3) ? ??? ??????? ???????
  ?????? ?? ???? ??????? ?? ?????? ?????. ????? ??
  ???? ?? ????????? ????? ?????? ??????? ???????
  ?????? ?? ????? ?????? ????? ????? ???? ???????

?????? ???? ????????? ??? ???? ??????? ????????
??? ???????
9

• ????? ????? ?????? ???? ????? ?????? ???????? ???
  ??? ???????? ??????? ?????(?) ??? ?????
  ??????? ??????? ????????? ?? ????? ??? ??????
  ????? ???? ?? ???? ?????? ??? ?? ?? ?????? ?????
  ?????? (Culmann method) (Taylor, 1984). ?????
  ????? ?????? ???? ?? ????????? ?? ???? ????
  ???????? ????? ??????? ?? ????? ???????
  ??????(?) ?????? ??? ?????? (wedge method)
  (????? Perloff and Baron, 1976Lambe and Whitman,
  1969). ??? ?????? ?????????? ???? ?? ???? ????
  ???????? ????? ??? ????? ????? (?) ??
  ????????? ? ?????? (log-spiral shape). ???? ??
  ????? ?????? ?????? ????? ???????? ????????
  ????????????? ? ????????? ?????? ????? ??? ??????
  ????????? ???? ?? ???? ?????? ????? ??? ???????
  ???????? ??????? (ordinary method of slices)
  (Fellenius, 1927) ?? ????? ????? ???????
  (Bishops modified method) (Bishop, 1955) ? ?????
  ????? ???? ?????? ??????. ?????? ?? ???? ??????
  ??? ??????? ??????? (????? ????? ???? ???????
  ??????? ?????? ????? ?????? ??????? ??? ?????
  ????? ?????? ?? ???? ??????)? ??? ???? ????????
  ???? ??? ?? ?? ??? ?????? ?????(?) ????? ???
  ???????? ??????? (?) ???????? (?) ?????
  ???????? (?) ?????? (?) ??? ?????.

10
???? ??????? ?? kh 0.1 ? kv 0.0? ????
??????? ???????? ??????? ???? ??????? ????
??????? 30 ????? ???? 2 1 (???? ????)
?????? ?? ?????
??? ????????
11
??? ??????? ? W ???? ????? ????? ?????? khW ???? ????? ????? ??? ?????? ????? ?????
(???2) ???/ ???3 ?. ???/??? (???) ?. ??? ? ???/??? ?. ???/??? ??? ?. ??? ???/??? ?. ??? ???/???
? ? 1360 2300 110 125 149.6 287.5 30 5 4488.1 1437.5 15.0 28.8 38 62 570.0 1785.6 5058.0 3223.1
5925.5 8281.1
??? ????? (???) C (???/???2) ????? (?. ???) ???? ????? (???) ????? (?. ??? ? ???/???)
? ? 11.5 129.3 600 1000 6.9 129.3 78 78 538.2 10085.4
10623.6
?????? ???????? ????? ????? ????? ??????? ????
????? ????? ?????? ????? ????? ???? ????? ???????
????? ???????? ???????? ??? ?????? ???? ????????
??????? ??????? ??? ????? ???? ???? ???????.
????? ??? ???????? ????? ?????? ????? ???? ?? ???
????? ????? ?????? ????? ??? ?? ???? ????????
????????. ????? ????? ?????? ????? ?????? ????
?????? ????? ????? ????? ???? ???? ?? ?? ???? ???
???????? ?????. ?????? ?????? ????? ?????? ?????
???? ???????? ????????? ??? ?? ?????? ???????
???? ???????. ????? ??? ???????? ?????? ???
??????? ?? ??? ?????? ??? ??? ???????? ???????.
?????? ??? ???????? ?????? ??? ??????? ????? ???
???????? ?????? ??????? ???? ???????? ??????
?????? ????? ??? ???????. ?????? ?? ????? ???
??????? ??????? ???? ?? ????????? ???? ???? ???
????? ???? (?? ????? ????? ??????? ?? ???
??????).??? ???????? ??????? ?? ?????? ??????
???? ?????? ??? ???? ??? ???????? ??????? ???
?????. ???? ????????
12
????? ??????