. , , - , , . . , τ du/dn
, , -
,
, (XV.1)
τ0 .
, - . .
G:
,
w =0, (XV.2)
G τ0 (, α ).
(XV.2) , - , .
(XV.2)
(XV.3)
, ,
(XV.4)
(XV.3) , , , . , , ,
(XV.2) , . , . . 97 , , . . . L , .
125
G = 0,03 (/2)/. , , h = 7 , k = 0,7 , Rk =100 /2, = 70 /2. Rk =400 , r = 0,1 , μ =17 .
: Q = 34,0 3/; Q = 56,7 3/.
Q 3/; () .
126
, .
|
|
:
..1 5 10 100 1000 4000
p, ..6,86 7,20 7,35 7,87 8,62 9,80
127
G τ0 . ' = 70 /2, . , ; = 120 /2. , Rk =500 , k = 300 , α [10].
. (XV.4).
(XV.5)
(XV.6)
, GRk:
(XV.7)
(XV.5) (XV.7) ,
, ,
1. .., .., . ., . . . ., , 1972.
2. .., .. . ., , 1962.
3. .. . ., , 1971.
4. . . . ., , 1959.
5. . ., .. , , . ., , 1962.
6. . ., any .. . ., , 1974.
7. .. . ., , 1948.
8. .. . ., , 1947.
9. . . ., , 1949.
10. .X., . ., . . . ., , 1972.
11. .. . , . 16, 1956.
12. .. . . , 1956.
13. .., .. . ., , 1973.
14. .. . ., , 1957.
15. . ., . . . ., , 1965.
16. . ., . 1972.
17. . . . - . , , 1953.
18. . . . ., , 1956.
19. . . . ., , 1963.
20 . ., . . . ., , 1974.
21. . ., . . . ., , 1949.
22. .. . ., , 1959.
|
|
23. .. . ., , 1963.
24. Probleme de hidraulica subterana. Autori: I. Cretu, A. Soare, V. David, A. Osnca. Editura texnica Bucurecti, 1967 (1966).
------------------------------------------------------------------------------------------ 3
I. -------------------------------------------------- 4
1 --------------------------------------------------------------------------------------- 4
2. . --------------------------------------------------------------------------------------------------- 6
II. . -- 11
1. ------------------------------------------------------------------------- 11
2. ----------------------------------------------------------- 12
III. ------------------------------------------------------------------------------------------------------ 14
1.- . ---------------------------------------------------------------------------------------- 14
2. . . ---------------------------------------------------------- 15
3.- ---- 17
IV. . . ----------------------------------------------------------------------------------------------- 21
1. . - 22
2 ---------------------------------------------------------------------- 24
3. ------------------------------ 25
4. ------------------------------------------------------------------------------------------------ 27
V. ------- 50
VI. -------- 59
1. ------------------------- 60
2. ------------------------------------------- 60
VII. ------------- 64
VIII. ------------------ 71
1. () . ---------------------------------------------------- 71
2. ----------------------------------- 72
3. ------------------------------------------- 72
4. --------------------------------------------- 74
IX. -------------------------- 89
X. ------------------ 97
1. --------------------------------------------------------------------- 97
2. . ---------------------------------------------------------------------------------------------------------------- 100
XI. -------------------------------------------------------------------------------- 104
|
|
1. ------------------------------------------------------------------ 104
2. ------------------------------------------------------------------------------------------------------ 105
. ------------------------------------------------------------------------------------------------------- 110
1. ---------------------------------------------------------------------- 110
2. --------------- 111
3. ---------------------------------------------------------- 113
4. ---------------------------------------------- 114
XIII. ---------------------------------------------- 129
XIV. . ------------------------------------------------------ 138
XV. ------------------------------------------- 143
------------------------------------------------------------------------------- 146