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: II (-) 2 10 : . : 2009-2010 . .

. (.1)

 

 

. 1

 

, , .

, :

(1)

- , crc , .

:

(2)

M rp -

, (3)

P-

(4)

 

.

γ , ; γ =1,75;

.

r,

r= φ , φ =1,6 - .

 

:

, (5)

, ; σmt , .

 

1. ?

2. ?

3. W pl?

4. ?

5. , ?

 

 

(. ) () .. . .
  қққ ө Resistance to fracturing and disclosing crack
  ққң Fracturing
  / қққ ө Category of crack stableness
  , - қққ Short duration disclosing of cracks
  ұқ ә ұқ ү ә ққ Long disclosing of cracks
  , ққ Normal cracks
  , қғ ққ Diagonal cracks
  - , , ғ Axial-stretched elements

:

. (1) 53-54

:

. (1) 55-56

 

:

:

1. .., .. -2. ,, 2005.

2. .., .. . . .: , 1991.

 

:

3. .. . .: , 2002

4. .., .. . .:

- , 1988.





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