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I. Những vấn đề chung
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)ụ /*P '*+ hRI\
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34Y' 18' /%<' 14<' n/*+L'( 6'( Hụ'( /%&'( (4R4 9&C' /*45/ 35 h, 1ToA
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f z2) 9K'* (42 /%K 6'( hIW/ /C4 )2) 94PS 3*2) '*RI /%&'( /*N' 9:;_
f mẽ 9+L'( 9~'( 6'( hIW/ )*}'* 9P /45' *-'* ;*N' 7V'( hx Hụ'( 7:/ ?4YI )*& /*})* *F;A
f mẽ )2) 9+L'( vIỹ 9C& 6'( hIW/ )*}'*[ /w 9D )D /*P 1E /%} )2) Si/ 3*Q /*4 )='([ )2)

9+L'( E'( 9i/ /%&'( /*N' 9:;A
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948I 34Y' 9KR *0'*[ 9KR )*W/ 7- 9i) 94PS )='( /%0'* S- )*Z 9T'( 9i/ %R )2) /%+L'( *F; ?-S
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II. Xác định ứng suất tại các mép biên đập
m4Y) /}'* /&2' /45' *-'* )*& ST/ Si/ )t/ '(R'( 1W/ 3| /*Q& )*48I )R& n)D /*P ?- Si/ )t/
h2/ '8'[ *R. Si/ )t/ r ?+'( )*w'( 9:;oA
0!/W%,/S+;:/6#[6/:HJ%/&<:/6#h%,/%K&/%,$%,C/
f Sx Hụ'( )='( /*6) 'q' ?Y)* /NS )ZR ?ý /*I.5/ h6) 18' 7:/ ?4YI\
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HWI ;*U. ?- H-'* )*& 14<' /*+F'( ?+I_ c HWI ;*U. ?- H-'* )*& 14<' *C ?+I_
åg f /J'( *F; )2) ?@) /*~'( 96'( 3P /w Si/ /}'* /&2' /%r ?<' n/%+L'( *F; Si/ /}'* /&2'
r h2/ '8' /*0 åg ;*M4 3P 95' )M ?@) 9U. 'J4 H& /*WS 7- 2; ?@) /*Iû /Ü'*o_
F f H4Y' /})* Si/ /}'* /&2'[ r 9N. F = B y "[ B ?- )*48I H-4 Si/ /}'* /&2' /w 14<' /*+F'(
?+I 95' 14<' *C ?+I 9:;_
W f S=9I' )*E'( IE' )ZR Si/ )t/\ W =
6
Bx1
2
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å
M
#
f /J'( S=SQ' )ZR )2) ?@) /2) Hô'( 3P /w Si/ )t/ /}'* /&2' /%r ?<' 9E4 7G4 94PS
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/%&'( Si/ )t/[ 14<' /*+F'( ?+I r 1<' /%24[ 14<' *C ?+I r 1<' ;*M4 /*0 /%&'( )='( /*6) n"fcko[
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III. Xác định ứng suất trong thân đập theo phYơng pháp chia
lYới.
$*Q& ;*+,'( ;*2; ' [ Si/ )t/ 9:; /}'* /&2' 9+F) )*4R 1ằ'( ST/ ?+G4 /%@) (4R& )D )2)
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ù

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ù
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t
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IV. Tính toán ứng suất trong đập theo phYơng pháp lý thuyết
đàn hồi (LTĐH)
s*4 /}'* /&2' 9:; 1</='( /%>'( ?@)[ /R yq/ 1-4 /&2' ;*~'( )ZR L$B]A bD4 )*I'( Si/ )t/
9:; /*+L'( )D HC'( /RS (42)[ H+G4 /*N' 9:; ?- Si/ '8' 12' 7= *C'[ H& 9D 9P ;*N' /})* 6'(
hIW/ /*N' 9:; )D /*P 9+R 78 HC'( 1-4 /&2' *0'* '<S 12' 7= *C'A MT/ )2)* (X' 9ú'([ 3*4 7:/
?4YI /*N' 9:; 7- '8' ?- (X' 9'( )*W/[ )D /*P yQS 9:; '*+ ST/ *0'* '<S 7= *C' 9P /}'*
/&2'A
m4Y) /}'* /&2' 9+F) /45' *-'* %4<'( )*& /w'( ?&C4 '(&C4 ?@)[ 7- )IE4 )V'( HV'( ;*q;
)T'( /2) Hụ'( 9P y2) 9K'* 'T4 ?@) /J'( )T'(A SRI 9N. ?- ST/ hE h, 9 )ụ /*PA
/

0!/L56/-o/*E%,/#W%#/%J&/g^/#E%/*P`2/:[-/*U%,/-B$/[6/
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/*N' 9:; )D )*48I )R& 7= *C' n*0'* "f"ko 9+F) 14PI H4ễ' H+G4
HC'( )2) *-S hE /I.5' /}'*\

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