statique des poutres (elastiques jean garrigues mai 99

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Page 1: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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Page 2: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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Page 3: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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Page 44: Statique des poutres (elastiques Jean GARRIGUES Mai 99

Co 6l & M ) J

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Page 45: Statique des poutres (elastiques Jean GARRIGUES Mai 99

!7 " ! `0$& 0 1/ !-" 2;-" 1 1/ 10& IJ5 "<G2;"50@2; H" "! 0 !" H0 5" - <\ -)!<\" #"2HP<\!<C -0 E! "!6$ L&% ')(*V,+.- R0/1R V213*54 / QnT R7698 *1T / T R7 G " 0 / & /2A"0 ;:2;-=<=> @2A. !2;-@?BADC FE AGCH IHKJ#AGC6LNMPOQMRO SUT!VXWYBZI[]\F^7_!`9^7[Ia Z!^7`cbedQ_Q\FaFVXfP_Q\F^7`W* 1 " 10 !-" 2;-" 0m "2hgji "(k ADChl k pNAGmon&pcl k nIAGqIm-p&pe"rp " 1IJ!"!\0 ts@pi 0 tsFn "5/"!\0 "5Z/u" <= D"8!2A*(v p A wx p A C / 1!-! IygjizA ,|~!p x9Q |9p s n x s p qs p x s n& & -@2A"!G-*0& " <= w \IJ!"!G0 tgji W* 5< !2A-" 04" 10 D!- 2;-" o9.!eF F# F th& ¡oUoR¡¢u 0m "2HG<=5<C -0 1"5 "'5rgji)!-(

£ k¥¤¦h§P¨ ¦#©¨ ¦ª A5«¬ C k p k nk p C Ck n C C­® A«¬ C mon&p q¯m-ppmnp C CqIm-p&p C C ­®°to9#±9F& ¡oUoR¡¢ut ²&³´ts µ t¡F RoF to9¶u¢¡roR¡¢u¯·¡o±93¢R& ¡o#¸ #X¹&o±~³F3º.ot¡F RoF t »oFu¢67 5" ¼ A ½ ¾j¸ A k p¸ p k n¸¿nÀAÁmonp7¸ pÂqm-pp7¸¿nà ¼ à A Ä k p p k n p A ÃÅÇÆÈÊÉ p ÃËoÌ~ÍXÎÏÏÐÒÑÓÔ²Õ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 èeé

Page 46: Statique des poutres (elastiques Jean GARRIGUES Mai 99

!"W$#&%'()*(+-,.0/ # )-.213/ % (4516/7)-+ # .2/7)-(4 %98 (4 "#:8 /,16,(/7) % (;)-16+*4-.216/<(4-) % 16/95=+ # ,(/ '(( "#&>?# + '(@4-1 >28 )*.216/%98BA +*1 Z9> "(,((/ pDCcE> (4*)F # 5. > ( % (=G '(+*.IHJ(+K 8 ( > (4G6(@5)-( 8 +-4 A +-1 A +-(@4 8 /9.2) # .2+-(4 % ( ½ 4-13/7)$L

MN APO Q ¸ N ¼Ã ¼ Ã9R l M p@A ¼

à ¼ Ã=S ¸ N l M nIATO Q ¸ N q ¼Ã ¼ Ã9R

()K 8 ( %U# /94 8 /9( ZU# 4*( A +*.2/95. AU#V> (D16+*) g 13/916+*, '( %98 )-(@/94-( 8 + % (45@16/7)-+ # .2/7)-(4XW > (4516, A 134 # /7)*(4 %98 )*(/94*( 8 +% (4Y516/7)*+ # .2/7)-(@44-16/7)«¬ O k N p p k N n p C CC C CC C q O kZN p p k[N n p ­® A5«¬ ü à C CC C CC C q à ¼ à ­®

W$# +*( A + '(4-(/7) # )-.213/ % (=\B1 g + % (=5()-(@/94-( 8 +](@4-) % 16/9/ '(@(HJ^ 8 +*(_ C2` L

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W (,w13,w(/7) % ()*16+-4*.216/ A +-1VG317K 8 ( 8 /9( '(G31 >28 )-.213/ % ( >?# +-13) # )*.216/ #8 )-1 8 + % ( >E~#V ( ¸ N % (4 A 13.2/)*4% ( >#;> .2^6/9(Y,w1V6(@/9/9( C /B) g'(13+-.2( % (4 A 1 8 )-+*(4WJ16/ #>E~ gJ#;Z .2) 8x% ( % ( A 164*(+ A *` | uA> (517(w5.2(/7) % ( W# , '(

(4*) #VAxA ( >X'( k¡&o±oI¹² F¹!uP9& 1 8 (/9513+-( k¡&o±&³ok&¥CV / '(5+*.0) % 16/95Lxz Nx s N A q w xVz Nx s N (4-) #A9A ( >'( ´ o»t ¡¡or±9F P] (/+ #V% . # /x4V, Cè[ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 ËoÌ~ÍXÎÏÏÐÒÑoÓÔÕ

Page 47: Statique des poutres (elastiques Jean GARRIGUES Mai 99

V9D" qDgE B]s !"fA 1 8 + > (4 %'( A9>?# 5(,w(@/)*4$L x Nx s N AÁChl x p px s N p A x p nx s N p AÁC

W (;,w16,(/7) % ()-13+-4-.213//x( A +*1VG617K 8 (/9. #V>2> 16/9^3(,w(@/)D/9.G # +-. # )-.216/ % (=51 8 + Z98 +-( % ( >?#> .2^6/9(,1V6(/9/x( CcE> /9( A +-1VG317K 8 (:K 8 ( % (4+-16) # )*.013/94 % (@4 A 16.2/7)-4 % ( >#> .2^6/9(:,1V6(/x/9( #8 )-1 8 + % ( ¸ N ,w1 8 G6(@,w(/7) % ()-13+-4*.013/ C$ 1 * / *B13*

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! =s@p s¥n (4*) #VAxA ( >X'(($ ¡oFu¡oUot¡¥uPF ²Àh ¡¢¡9C% ( A +*1'& > "(,((/ p W % (G7.0(@/) > ( A +*1'& > "(,((/(! 4 8 .2G # /7)[Lv ! A qIx ! AGC 4 8 + > (513/7)-1 8 + y _ C0` ) $ ¡oF& ¡o ! ¥#@¹=F&¥+*±9#ot $ ¡oktu¢¡roR¡¢uXC%$# 5@16/94*) # /7)*( h (@4-) #> 16+-4 %'()-(+*,w.2/ '(( AU# +g i A q w Q Q|F ! x9Q |9 ! us¥n x sXp,qsÇ x s¥n R%$#> 13. % (;516, A 13+-)-(@,w(/7) % (@4 A 1 8 )*+-(4Y(/B)-16+*4-.216/B4 ~-'(@5+-.2) % 16/95Lxz Nx s N A gji-,# G6(5 , ADQ|¥ ! x9Q |· ! s n x s p q s p x s n& _ C 1/. 8 , /9( %'( A (/ % K 8 ( % ( >?# F13+-,w( % ( ># 4-(5)*.216/ % +-13.2)-( C , (4-) #VAxA ( >X'( k#¡±ot »oF¹ºhu¡o¡ N% ( >?# 4*(5)*.013/10 CÇ:9#=% .0,(/94*.013/w(4*)2437W >E~ 8 /9.2) '( :65 (@4-) > (73 Ck 16/x/ # .24-4 # /7) ># F13+-,w( %~ 8 /9(4-(5)*.216/ % +-13.2)-(6Wx16/w5@16/9/ # .2) % 13/95! () , C8% ()*(/94-( 8 + % (@4516/7)-+ # .2/7)-(4Y(4-)#V> 13+-4513/9/ 8 L kZNN A CkZN p@A gji

, mon !kZN nIA q gji, m-p ! _ C 9 4-13.2)(/9513+-(=G3(5)-13+-.2( >2> (,w(@/)[L ¼ A gji

, ÅÊÆÈÊÉ ! S ¸ N _ C : ;s";~v@~;~=<u*~u"*~?>!uA@f-"u"vz|J~;x~y;|zu"y;vzxu;u%|X CB . J Bb :;sntXu|J|zu*wu;;~|z_u"xz|@;vz;vzu"~vED\- u"xz|;~xy;Hu"f|- ;u"vz|JuGF'xz~yIHJ uHuuvJvz~1;y;x-!5y;vu"x_xJu"|z;x"vz"y;~vzu"xFyJD u"xz|uu%|- ;uvJ|zu*;y;xLKfy;u;~v*vz~;!vJ|~) ~@%uNM1OAPbsËoÌ~ÍXÎÏÏÐÒÑÓÔ²Õ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 èNQ

Page 48: Statique des poutres (elastiques Jean GARRIGUES Mai 99

!"$ ')(* - + 4= 13*- / 4 = 1 / ]-* + N *

%$#&%'(, # +-59( A 1 8 +5 #> 5 89> (+ > (4516/7)*+ # .2/7)-(@4 %J# /94 8 /9(4-(@5)-.216/ % +-16.2)*( %98 (4 "#:8 / ,16,w(@/) % (:)*16+-4*.216/(4*) % 13/95 ># 4 8 .0G # /7)-(Lf + '(4*1 >28 )-.213/ %x8wA +*1'& > "(,(]_ C2` (/(! 4 8 + >?# 4*(5)*.013/ % +-13.0)*(f 5 #V> 5 89>[% ( , # G3(5=_ CÒf 5 #V> 5 89>[%x8 5 # , A% (45@16/7)-+ # .2/7)-(4 %U# /94 >?# 4*(5)*.013/ # G6(@5 _ C9% (@4+-13) # )-.216/94D() %e'( A9>?# 5@(,w(/7)*4 % ( >#;> .2^6/9(Y,w1V6(@/9/9(4*16/7)1'&x)-(/ 8 4LfA 1 8 + > (4 A 1 8 )*+-(4 % +-13.0)*(4 % ( & # 4*( > 175 #> (5@16/94*) # /7)*(6W AU# +"4*.2, A9> (.2/7) '(^3+ # )*.216/ % (4 > 13.04 % (516, A 13+ <)-(,(/7)fA 1 8 + > (4 #V8 )*+-(4 A 1 8 )-+*(4W AJ# + 8 )*. > .24 # )-.216/ % (4DF13+-, 89> (4 % ( o +-(4*4-( p L

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.- ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 ËoÌ~ÍXÎÏÏÐÒÑoÓÔÕ

Page 61: Statique des poutres (elastiques Jean GARRIGUES Mai 99

9/[ 4gY !" +3- / * * 4 N / / 6

: .16/B516/x4-. %e"(+*( 8 /9(=4*(5)*.013/ % +*16.2)-(4-1 8 ,w.24*( "#8 /B( 1[16+*))-+ # /95 # /7) &±o$ g i AGC W ># 513/94-) # /7)-( w(4*) %'()*(+-,.2/ '(( AU# + >E~*'(K 8U# )-.216/LC A | !p x9Q | tp=sFn x s39,q s39 x s¥n 9n |F Q q¯s39 9 sFn sFn n*` | R x9Q nI9 |F Q qIs¥n 9 s39 s39 nE` | R x9w (4*) % 13/95(/B^ '(/ '(@+ #V> /916/B/ 89> W7() >?#A 1 8 )*+-(4 8 &x.0) 8 /9(=+-13) # )-.216/ % ()-16+*4-.216/ % 13/9/ '(( AU# +xz Nx s N A qØw ` | A q w

: . AU# +:513/7)-+-(<16/ .2, A 164-(K 8 ( >?# +-13) # )*.216/ % ()-13+-4-.213/(@4-)w/ 89>2> (6W #V> 16+*4 w A C W, # .24 > (,16,(/7)+ '(@4 89> ) # /7) % (45@16/7)-+ # .2/7)-(4Y) # /x^6(/7)-.2( >2> (4(4*) 8 /B,w13,w(/7) % ()*16+-4*.216/ % 16/x/ '( AU# +$Lgji A | Ip x9Q | #pus n x s 9 qs 9 x s n 9 n | Q qIs39 9 sFn s n n-` | R x~, n 9 | Q qIsFn 9 s<9 s 9 nE` | R x~ ()*)-( % (+*/9. "(+-(B1 A )-.216/(4*) A9>28 44-.2, A9> ( "# + '(4-1 89% +*(5 # +16/ # v p ABwBABC9C ( A (/ %U# /7)W > (56 # , A% (4513/7)-+ # .2/)*(4) # /9^3(/7)-.2( >2> (4K 8$~ 13/G # )-+*1 8 G3(+(4*) 8 /5 # , AB% 8"#:>?# F13.24 "#:>E~ ( 1 13+-)Y)-+ # /95 # /7) E A 9 ¸ 9 n ¸ n () "#8 /B5(+*) # .0/B,16,w(@/) % ()*16+-4*.216/ gji Fc16/95)*.216/ % ( 9 () n % 16/9/ '( AU# + >?# Fc16+-, 8x> (5. <E% (4-4 8 4 C^4 1 8 +1 &9)-(/x.0+ > ("5 # , A=% (@4y5@16/7)-+ # .2/7)-(4) # /9^6(@/)*.2( >2> (@4 % 8 "# E 4*( 89> WV. > 4 8 w) % ( >28 .74 89A (@+ A 164-(@+> (56 # , A:% (4513/7)-+ # .2/)*(4) # /9^3(/7)-.2( >2> (4 % 8 "#¶q¯gjiCt ²7& À¡ ¡*&±X ¡o.P& F9F¡±9@t±9 ^4 1 8 +5 #> 5 89> (+ > (45@16/7)-+ # .2/7)-(4D() > (4 %'(F16+*, # )-.216/94 %98 (4"#8 /B( 1[16+*))-+ # /95 # /7) %U# /94 8 /9(4-(@5)-.216/ % +-13.0)*(6W913/B+ '(4*1 8 ) %$~# &J16+ %B8 / A +*1'& > "(,( # G3(5516,,w(( 1[16+*)-4.2/7) '(+*.0( 8 +-4 E () > ( g i K 8 . >08 .U(4*) # 4*4-175. '(6W A98 .2413/ >28 .94 89A (+ A 164*( > (4"5@16/7)-+ # .2/7)-(4D() %'(Fc16+-, # )*.013/94 %98 (4"# qIg i ~ (4-) 8 / A +*1'& > "(,( % ()*16+-4*.216/ A98 +*(=+ '(4*1 >28#V8 5 #VA .0)*+-( A + '(5 '( % (@/) C C

B13* N / I * 1P* 4 N / /

% () '(16+ "(,w( % (4 89A (+ A 164*.2)-.216/ % ( >E~*'( >?# 4*)-.25.2) '( > .2/ '( # .0+*( A (+-,() %$~# w+*,w(+DK 8 ( > (4( 1[()-4 %98 4 "# 9 () "# n 4-13/)4 89A (+ A 164 # & > (4 C / A 164-( % 16/95L pjA 9n ! 9 ne9 ! n! 9 (4-) #VA9A ( >'(($ ¡oFu¡or²t¡F RoF t »o&¥u²t±9²º 9 C! n (4-) #VA9A ( >'(($ ¡oFu¡or²t¡F RoF t »o&¥u²t±9²º nC (5. A (@+-,w(@) % ( %'(5@16, A 164*(+ > ( A +-1 & >u"(,w(Y(/ ># 4-13,w,( % ( % ( 89A +-1 & >u"(,w(4 Ax>08 44-.2, A9> (4JLa" , ) É " 9

f %$# F16/95@)-.216/1! 9 (4-)Y4-1 >28 )*.216/ %x8A +-1'& >u"(@,w(Lv ! 9 A C xC0` x ! 9A qIs39&s¥n x s<9 s¥n 9E` | x s¥n 4 8 + > ( ?> (4 513/)*1 8 + 4 xC ! 9 /9( %e'( A (/ % K 8 ( % ( >?# Fc16+-,( % ( >?# 4-(@5)-.216/ % +*16.2)-( CËoÌ~ÍXÎÏÏÐÒÑÓÔ²Õ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 DC

Page 62: Statique des poutres (elastiques Jean GARRIGUES Mai 99

7 4 egYYf % (,w13,w(/7) % (=)*16+-4*.216/ gji 9 K 8 .[(4-) # 4*4-175. '( "# 9 (@4-)Lg i 9@A 9n Q|F ! 9 x~, |· ! 9us¥n x s39Qq s<9 x sFn |¥ Q qIs<9 9 s¥n s n nE` | R x9 A 9n k9xC 9 9 /9( %'( A (/ % K 8 ( % ( >?# Fc16+-,( % ( >?# 4-(5)*.216/ % +*16.2)-(() % ( | Cf % (4513/7)-+ # .2/)*(4 %x8 (4 "# 9 () g i 9 4*16/7)$Lk N 9 A 9 n m n ! 9 q s¥n 9-` | xC : k[N n A 9n £ q¯m^9 ! 9Âqs<9s¥n ¤ xC

f % (w)*16+*4-( 8 +:.2/7) '(@+-.2( 8 + 9 g i 9 / ~ (/7)-+ # 2/9(/9. '(@G61 >28 )*.216/ % ( ># +-16) # )*.013//9. #V>2> 16/x^6(,(/7) % ( >?#> .2^3/9(,1V6(/9/x( Cf % (^ #8 59.24-4-(@,w(/7) % ( >?# 4*(5)*.013/ % +*16.2)-( % 8#V8 )-13+-4-( 8 +.2/7) '(+*.2( 8 + 9 g i 9 (4-)L" N 9 A 9n | s 9 n qu | s 9 s n 9 ` | # 9 us 9' s n xC

1 "8 # 9us39 s¥n (4*) %e'(HU/9.2( AJ# + ÅÇÆÈÊÉ # 9 AG ÅÊÆÈÇÉ ! 9 S ¸ N xC _ a" , ) É " n

f %$# F16/95@)-.216/1! n (4-)Y4-1 >28 )*.216/ %x8A +-1'& >u"(@,w(Lv ! n A C xC x ! n A q s39 9*` | x s 9 s 9 s n x s n 4 8 + > ( ?> (4 513/)*1 8 + 4 xC ! n /9( %e'( A (/ % K 8 ( % ( >?# Fc16+-,( % ( >?# 4-(@5)-.216/ % +*16.2)-( Cf % (,w13,w(/7) % (=)*16+-4*.216/ # 4-4*15@. '( "# n (4*)yLg i nIA nI9 | ! n x9N | ! n=sFn x s39,qs<9 x s¥n | Q s39sFn 9 q s<9 n*` | R x~ A nI9 @n 9C2`&C @n /9( %'( A (/ % K 8 ( % ( >?# Fc16+-,( % ( >?# 4-(5)*.216/ % +*16.2)-(() % ( | Cf % (4513/7)-+ # .2/)*(4 %x8 (4 "# n () gji n 4*16/7)$Lk[N 9A ne9 £ mon ! n@qs<9s¥n ¤ 9C2`6` k[N n A ne9 qIm^9 ! n@q s39 9-` | 9C2`&

f % (w)*16+*4-( 8 +:.2/7) '(@+-.2( 8 + n g i n / ~ (/7)-+ # 2/9(/9. '(@G61 >28 )*.216/ % ( ># +-16) # )*.013//9. #V>2> 16/x^6(,(/7) % ( >?#> .2^3/9(,1V6(/9/x( C ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 ËoÌ~ÍXÎÏÏÐÒÑoÓÔÕ

Page 63: Statique des poutres (elastiques Jean GARRIGUES Mai 99

7 x - ! f % (^ #8 59.24-4-(@,w(/7) % ( >?# 4*(5)*.013/ % +*16.2)-( % 8#V8 )-13+-4-( 8 +.2/7) '(+*.2( 8 + n6 gji n (4-)L

" N nIA ne9 | s¥n n qu | s39 9 s¥n ` | # nDus39 sFn 9C2` 9 1 "8 # n"us39 s¥n (4*) %e'(HU/9.2( AJ# + ÅÇÆÈÊÉ # nIAG ÅÊÆÈÇÉ ! n S ¸ N 9C2`=:

* N *13* / -²-* 5*

/G7.0(@/) % (wG316.2+K 8 ( A 1 8 +K 8$~ 8 /x(:4-(5)*.216/ % +-16.2)*(:4-1 8 ,w.24-( "#B8 /( 1[16+*))*+ # /95 # /7)=4*( %'(Fc16+-,(4 # /94)-13+-4*.013/$W7. > F #V8 ) #V8 4*4-. >28 .[4*1 8 ,()-)*+-( 8 /B5(+*) # .0/B,16,w(@/) % (;)-16+*4-.216/ g i A 9n 9 nI9 @n7C% ()*16+-4*( 8 +Y.0/7) '(+-.2( 8 + %U# /x4 ># 4-(@5)-.216/<(4-) % 13/95"L 9Û¸@9 n¸ÁnQ 9n k9 nI9 ¯n R ¸ N / A ( 8 )=)-+*1 8 G3(+ %U# /94 >?# 4*(5)*.013/ % +-13.2)-( 8 / A 13.2/) )*( > K 8 ( > (4 '( >'(@,w(/7)-4 % (:+ '( %98 5@)-.216/ %98 )-13+-4*( 8 +.2/7) '(+*.0( 8 +(/ 4-16.2(/7)$L 9e¸ 9 ne¸Án- % ( > (5)*( 8 +YG '(@+-. HU(+ # F # 5. > (@,w(/7)K 8 ( > (45@113+ % 13/9/ '(4 % ( %U# /94 >?# 4-(5@)-.216/ % +*16.2)-(4-13/7)$Ls 9 A @ne9s n A q 9

e9% (@4]5@113+ % 13/9/ '((@4 % ( 4*16/7).2/ %'( A (@/ %U# /7)*(4 % ( 9 () n7C[>2> (@4/9( %'( A (@/ % (/7)=K 8 ( % ( >?# Fc16+-,( % ( >?#4-(@5)-.216/ % +*16.2)-(() % ( | C (4-) % 16/95 8 /9(5 # + # 5) '(+-.24-)*.2K 8 ( % ( >?# 4-(5)*.216/ % +-13.0)*(6WJ16/ >E~ #A9A ( >2> ( FuPhkFC / A ( 8 )D.2/)*(+ A + '()*(+s513,w,( > ( A 13.0/7) % ( >?# 4-(@5)-.216/4 8 + > (K 8 ( > . > F #89% + # .2)( (+*5(+ >E~ ( 1[16+*))-+ # /95 # /)A 1 8 +K 8 ( >?#Y%'(Fc16+-, # )*.013/=4-(DF # 4-4*(4 # /94)-13+-4*.013/ C'% (,w13,:(/7) S E % ( E #A9A9> .2K 8e'("(@/ AU# ++ #A9A 16+-)'# (@4-) > (,w13,w(/7) % ()-13+-4*.013/ # 4-4*175. '( "# E C ')(* - + 4= 13* -* *21P* 4 / /

5E> + '(4 8x> )*( % (=5@(=K 8 . A + '(5 "( % (K 8 ( >?#%'(@, # +*59( A 1 8 ++ '(4*1 89% +-( 8 / A +*1'& > "(,( # G6(@5=( 1[16+-)Y)-+ # /95 # /)Y(4-)>?# 4 8 .2G # /7)-(Lf0'(@)-(+*,w.2/ # )*.216/ % (4YF16/95@)-.216/94 % (516/7)-+ # .2/7)-(4! 9 () ! nB 5(4 F16/95@)-.216/94/x( %'( A (/ % (/7)=K 8 ( % ( >?#F16+*,w( % ( >?# 4-(5@)-.216/ % +*16.2)-( AU# ++ '(4-1 >28 )-.216/ % (4 A +-1 & >u"(,w(4 xC2` xC (@) xC xC Cf #V> 5 89>[% (@4G #V> ( 8 +-4 % (45@1( w5.2(/7)-4 k9 () @n# G3(5 9C9 (@) 9C2`&CxCf #V> 5 89>[%98 ,16,w(@/) % (;)-16+*4-.216/ # 4*4-175. '( g i A 9 n 9 n 9 ¯nËoÌ~ÍXÎÏÏÐÒÑÓÔ²Õ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 /

Page 64: Statique des poutres (elastiques Jean GARRIGUES Mai 99

7 4 egYYf #V> 5 89>%98 5 # , AB% (4513/7)-+ # .2/)*(4 % 8¿"# E () gji (/ 4 89A (+ A 164 # /7) 9C : () xC0`3`=# .2/94*.yK 8 ( 9C ()9C2`&xCf #V> 5 89>[%98 5 # , A:% (4Y516/7)*+ # .2/7)-(@4 % 8 "#¶q¯g i ?A +-1'& >u"(@,w( % (=)-13+-4-.213/ f #V> 5 89>9%x8 56 # , A% (4D513/)*+ # .0/7)*(4 % 8r"# E 4-( 8x>UAU# +4 8xA (+ A 134-.2)-.213/ % (4 % ( 8x 5 # , A 4 A + '(5 '( % (@/)*4 Cf % (44*( 89> 4 %'( A9>?# 5(,(/7)-4()Y+-13) # )*.216/94 % ( >?#> .2^3/9(,1V6(/9/x(4-13/7)5( 89% 8 4 "#¶qIg i C

%$#<%'()*(+-,.2/ # )*.013/ # / #> )*.2K 8 ( % (4F13/95)-.213/94J! 9 ()! n (@4-):+ # +-(,(/7) A 164*4-. & > ( C / A ( 8 ):5@16,w,((@/)-13+-4*.013/F # .2+-( % (4 # / #> 13^6.2(4 '( > (5)*+-.2K 8 (=1 8% (=,(,&9+ # /9(6WV1 8 (/9513+-( 8 )*. > .24*(+ 8 /9(4-1 >28 )-.216// 8 , '(+*.2K 8 ( C / 13* X* 4= ]1 - * +.- / *: 13.0) 8 /9( A 1 8 )-+*( % 13/7) >?# 4*(5)-.213/ % +*16.2)-( "#>E~# &94*5.24-4*( s N (4*) 8 / % .24*K 8 ( % (+ # 613/ C% (4 % .2+-(5@)-.216/94A +*.0/x5. AU#V> (4 %$~ .0/x(+-)*.0( A 1 8 +5()*)-(4*(5)-.213/4*16/7).0/ % .1 '(+*(/7)-(4 C6 / A ( 8 ) % 13/95D)-1 8 , 1 8 +*4$5913.04*.2+ >?#D% .2+*(5)-.213/¸@9Y%U# /94 >?#=% .2+*(5)-.213/ % ( >E~ ( 1 13+-)D)-+ # /95 # /7) CU / #% 16/95 nIADCxC / A 1 8 +-+ # G '(@+-. HU(+YK 8 ( >?# F16/x5)-.216/

! 9 A 9 |g-` | Q s¥n n9 qs n s 9 9 9 s n R

+ '( A 13/ % &9.2(/ #V8A +-1 & >u"(,w((@/J! 93C6 / A 1 8 +*+ # G '(+-. HU(@+ % ( A9>28 4K 8 ( ># K 8U# /)*.2) '( 9 (4*)/ 89>2> ( C% (",16,(/7)% ()-13+-4*.013/ # 4-4-175. '( "#;> ~ ( 1[16+*))-+ # /95 # /)D(4*) % 13/95/ 89> W75 ~ (4*) "#=% .2+*(]K 8 ( > (5@(/7)-+-( % (5.24 # . >2> (,w(@/) %$~ 8 /x(4-(@5)-.216/ % +-13.0)*(5.2+-5 89>?# .0+*((4-)Y516/7Fc16/ %98B# G6(5 > (5(/7)-+*( % (]^3+ # G7.2) '( C% (5 # , Aw% (4513/7)-+ # .2/)*(4) # /9^6(@/)*.2( >2> (@4(4-) #V> 16+*4k N 9 A 9n 9 |

*` | G s n 9 qs 9 9 9eH q s n 9E` | kZN n A q 9 n ` |:*` | s<9sFn 1 "8 n (4*) > (,w13,w(/7)K 8U#V% + # )*.0K 8 ( % ( >?# 4-(5)*.216/ #8 )-1 8 + % ( ¸Án6C4 1 8 + 8 /9(4-(5)*.216/5.2+*5 89>?# .2+-(13/ #

nIA 3: A 3 :

%~*'() 89% ( %'() # . >2>X'(( % (=5@(=5 # , A ,w13/7)-+-(YK 8 ( >?# 5@16/7)-+ # .2/7)-(=) # /9^3(/7)-.2( >2> (¼#8 /,1 %x89> (, # .0, 8 , #V85(/7)*+-( % (;^6+ # G7.2) '( % ( >?# 4-(5)*.216/BK 8 .$G #8 )[LÃ ¼ Ã A 9n 9 |

*` | 9 A 9

9 9 |E` |

4 1 8 + | AGC 9 13/1 &9)-.2(/7) Ã ¼ Ã A ` 9 9$ (* 13* / K (*I*

%$# 516, A9> ( .0) '( % ( >?# 4-1 >28 )-.216/ % (4 A +-1'& >u"(@,w(4 %~ ( 1 13+-)D)-+ # /95 # /7) ,8 4*)-. HU( >E~ (, A9> 16. % (, '(@) 91 % (4 #VAxA +-1 <5 '((4 C¥è ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 ËoÌ~ÍXÎÏÏÐÒÑoÓÔÕ

Page 65: Statique des poutres (elastiques Jean GARRIGUES Mai 99

? Vw ] ] M LNMRO SUd,_Q\FaFVXfR_,\F^G\FV0_gtN^7_,\FfR^r-rR^ Wd[vN^_I_!^ ()*)-( #A9A +*1 .2, # )-.213/ ^3+-164*4-. "(+*( 516/x4-.24-)*( "# 4 89A9A 164-(@+K 8 ( > (5 # , A% (@4"513/7)-+ # .2/)*(4D) # /x^6(/7)-.2( >2> (4D(4-)8 /9. F13+-,( %U# /94 >?# 4-(5@)-.216/ % +-16.2)*( CU / #=% 16/95E AG|F ¼ x9 A ¼ '() # /7)4 89A9A 164 '( 8 /9. F13+-,(6W613/ # L Ã ¼ Ã A Ã ¼ Ã A Ã E Ã

4 1 8 + >?# 4-(5@)-.216/[email protected]+*5 89>?# .2+*(6W75()*)-((4-)*.0, # )*.013/ % ( Ã ¼ Ã (4*).2/7F '(@+-.2( 8 +*( % ( 9 B"#>?# G #> ( 8 +"( !# 5)-( C M LNMEl ¿Y!YIaFd IfRWV\FfRdQ_ ZI^ aF^Z@\ 16/x4-. %'(+*16/94 8 /x(=4-(5@)-.216/ % +-16.2)*( % (Fc16+-,(K 8 ( > 516/xK 8 (=4-1 8 ,w.24-( "#8 /w( 1 13+-))*+ # /95 # /7) E A 9 ¸ 9 C

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a ácbed 9C2`gf)#jF¡o y.o9t oP¡o?k#ou¢¡ro!R·¡o±~±~j @¡ÂuPFjFoF 9 16/x4-. %'(+*16/94 > (w4-(@^6,w(@/) wIw W %$~# &94-5.24*4-( s 9 AJ# + #>2>u"( > ( "#3¸ n WK 8 . % .2G7.24-( >?# 4-(@5)-.216/ % +*16.2)-((/ % ( 89AU# +-)-.2(4 G316.2+HJ^ 8 +*( 9C2` C9 / #A9A ( >2> ( ;>?#=A 16+*)-.216/ % ( ># 4-(@5)-.216/ % +-13.0)*( "# ^ #V8 56x( % ( wIw () y 4-13/513/)*1 8 + CFy (4-) % 13/95 AJ# +-)*.2( >2> (@,w(/7)513/7F13/ %98# G3(5 > (Y516/7)-1 8 + y % ( >?# 4-(5@)-.216/ % +*16.2)-( C7 / #VA9A ( >2> ( >?#Y> 13/9^ 8 ( 8 + %98 4-(^3,w(/7) w!w (4*) 8 /9(F13/95)*.013/ % ( s 9& C6 /7HU/W716/ #VAxA ( >2> ( >?# /x16+-, #V> (D( ) '(+*.0( 8 +-("#hy3C / + #VAxA ( >2> (B.25. 8 /x( A +-1 A +-. '() '( %98 56 # , A % (4:513/7)-+ # .2/)*(4w) # /9^3(/7)-.2( >2> (4:K 8 . # '() '( '() # & > .2( %U# /94 > (A +*1'& > "(,( % ( :9# .0/7) < > (@/ # /7) 9 L| ¼ ¾ xl A q 9 n w 0 ¸¿n q n 9 w 0 ¸ 9 / >E~#VA9A9> .2K 8U# /7) #8 5 # 4 A + '(4-(@/)XWJ16/B1'&9)*.2(/7) L| -

¼ ¾ xl A q 9 n w 0 ¸¿n L'M6NPOkdfQIjBj X Y[Y[X K/U X&# F ( M P X \ V Y[X ghTIg X O'V \ VQIViK/U X3_BX jBQId dfQIjBjTIdV qQ M IX V8K'U X&# F ( M . P X\ V Y[X ghTIg X O/V\ VfQIViK'U X-_BX jBQId-dQIjBjlTedfV qQM .ËoÌ~ÍXÎÏÏÐÒÑÓÔ²Õ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 Çé

Page 66: Statique des poutres (elastiques Jean GARRIGUES Mai 99

7 4 egYY5 # +4 8 + >#;AU# +-)-.2( % ( y 513/7F13/ %98 ( # G6(@5 y W > ( A +-1 %98 .2)4-5 #V>?# .2+-( ¼ ¾ (4-)Y/ 8x> n C%~#A9A +-1 .2, # )-.21V/ % (D+-( % )Y516/x4-.24-)*( "# F # .2+-(4 8 + > (5 # , A ¼ > (4 % ( 89B#VA9A +-1 .2, # )*.216/944 8 .2G # /7)-(@4$LfD:78 + > (4-(^3,w(/7) wIw W ¼ (4*) %U# /94 >?#=% .2+*(5)-.213/ % ( ¸ 9fD:78 + > (4-(^3,w(/7) wIw W ># + '( AU# +*)-.2)-.216/ % ( ¼ (4-) 8 /9. F16+*,w( 5 ~ (4-) "#=% .2+*(=.2/ %'( A (/ %U# /7)-( % ( s¥n C / #% 16/95L | -

¼ ¾ x A | - ¼ ¾ ¸ 9 x A 9 A q 9n w 0 ¸ n

() % 13/95 9@A q 9n w 0 ¸ n

% (5 # , Aw% (4516/7)*+ # .2/7)-(@4) # /9^6(@/)*.2( >2> (@44-.2, A9> . H '(4 %98 (4 "# 9 +-(@4-)-( % 13/95 8 /9.2K 8 (,w(@/) F13/95)-.213/ % ( s 95 # + (@) w 0 ¸ n G # +-.2(/7) # G6(5 s 9 C4 1 8 + > (4Y516/7)*+ # .2/7)-(@4 %98 (@4 "# n Wx16/F # .2) 8 /x(=51 8xA98 +-( AU# + #V>2>u"( > ( "#¸ 9 W %~ # &[email protected]*4-( s¥n Wx()4 8 .2G # /7)> (,(,(+ # .24*16/9/9(@,w(/7)D16/B1'&9)*.2(/7) L

nIA q nI9 w 0 ¸ 9

% (:5 # , Aq% (4516/7)*+ # .2/7)-(@4) # /9^3(/7)-.2( >2> (4=4-.2, A9> .IH '(4 %98 (4 "# n +-(4*)-( % 16/x5F16/95@)-.216/ % ( s¥n 5 # + ()w 0 ¸ 9 G # +-.2(/7) # G6(@5 s¥n6C% ( > (5)*( 8 + A 1 8 +*+ # G '(+*.IHJ(+K 8 (4*.[16/ #A9A9> .2K 8 ( >E~#VA9A +-1 .2, # )-.213/ % ("+*( % ) "#;8 /9(4-(@5)-.216/B5.2+*5 89>?# .2+-(3W716/1'&x)-.2(/7)$L Ã ¼ Ã A ` 9'9 9 ()*)-(=G #> ( 8 +"(@4-).2/7F '(+-.2( 8 +*( % ( 9 W_ B"#=>?# G #V> ( 8 +( !# 5)-( C / = 1 * X* = 21 *B* - I *% (@44-(5)*.216/94 % +-13.0)*(4(/ A +-1H > ,w.2/95(Y16/7) %e'( ,"#'() '( %e'(HU/9.2(4 %J# /94 > (5 #A .2)-+*(]4 8 + >?# )-13+-4*.013/ C9 / 8 )-. > .24-(.25. > (4,(,w(@4/916) # )*.013/94 C4 1 8 + #VAxA +-1 .2,w(+ > (Y5 # , A:% (4513/)*+ # .0/7)*(4) # /9^6(/7)*.0( >0> (4 %98 (@4 "#=>E~ ( 1[16+-)D)-+ # /95 # /7) %U# /94 8 /9(4*(5)-.213/(/ A +*1VH > ,.0/x5(6WJ16/ 8 )-. > .24-((/9513+-( > (4 A +-1 A +-. '() '(@4 %98 56 # , A

¼'() # & > .2(4 %U# /94 > ( A +*1'& > "(,( % ( :9# .0/7) <> (/ # /7)W34 8 .2G # /) 8 /9( %'(, # +-59(4*(,& >?# & > ( "#;> ~#A9A +-1 .2, # )*.216/ % ("+*( % ) C \ # .24D.05@. W ># 51 89Ax8 +-( wIw (4-)A (+ A (/ % .25 8x># .2+-( "#>?#;> .2^3/9( % ( A +*1VH >D G316.2+HJ^ 8 +*( 9CÒ C /:4 89AxA 134-(513,w,w( %U# /94 >E~#VA9A +-1 .2, # )-.213/ % ("+*( % ) A 1 8 + > (44-(@5)-.216/x4K 8 ( > 516/xK 8 (4W3K 8 ( >?# 513/)*+ # .0/7)*() # /9^6(@/)*.2( >2> (

¼(4-) AU# + #>0> "( > ( "# (@)K 8$~ ( >2> ((4*)513/94-) # /7)-( %J# /94 >E~-'( AU# .04*4-( 8 + %98BA +-1H > 3 C

% ( U8xw% ( >?# 516/7)*+ # .2/7)-() # /9^3(/7)-.2( >2> (¼ "# )*+ # G3(+-4 ># 51 89A98 +*( wIw (4-) % 16/95

¿A¼ ¾ C

uBM X mITei[d Y[X\`o TeO _ i[Vfi[TIO \ QIU @ Y i[ghi[V X \3\ UBd Y[X o TIO'VfTIUBd _ QIO \3Y[X jBdfT 9BYcqX g X-_BX <'QIi[O/V $ X OBQeO/VM6BM B X\<s t'jlTIV s qX \X \\ TIO'V%ghi X U @<SU \ Vi x WX \ jTIUBd Y[X \ jBdT xlY[\ ghi[O oX \ K/U X jlTeUBd Y[X \%\X o Vfi[TeO \ _BX HcTIdg X K'U X Y[o TIO K/U X M<O X1]^X V Y Q o TIO _ i[Vi[TIO(QIU @ Y i[ghi[V X \^\ UBd Y[X-o TIO'VfTeUBd _ QIO \%Y[X jBdT 9BYcqX g X _BX <'Qei[O/V $ X OBQIO'Vli[ghjT \X K'U XX \ V%VfQeO < X O'V X QIU o TIO'VfTIUBdM `m X oo X\-s t'jlTeV s W X\fX\ X\ V 9 i X OVQIO < X O'V X QIU o TIO'VfTeUBd Q Y Ted \ K'U b i Y O XpYcb WX VQIi[V3jBQ \ jTIUBd3UBO Xp\fXo Vi[TIOK'U X Y[o TeO K/U X M ! X j Y U \ 'Y[XjBdT xlY WX VQIO'V<ghi[O oXI i YlX\ V-dQIi \ TIOBOBQ 9BY[X-_BX j X O \fX d8K'U X#X \ V \fX O \ i 9BY[X g X OIV o TIO \ VfQeO/V _ QeO \-Ycb WX jBQIi \\fX UBd MJ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 ËoÌ~ÍXÎÏÏÐÒÑoÓÔÕ

Page 67: Statique des poutres (elastiques Jean GARRIGUES Mai 99

:--BD B 9D " w BE

v

A

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a ábd xC f $jF¡o yF¡±9´¡oF R¢Fu²tuo»o&F ²²t±9² º E M MRO aFd]rP`WfP_Ibe^`UdQ[N^7a·\·`5E> 4 8 w) %$~#VA9A9> .2K 8 (+ >?#A +-1 A +-. '() '( %x8%J89w% (

¼4 8 + >#;A 16+-)*.216/ % (4-(5@)-.216/ % ( >?# HU^ 8 +-( xC 9 L

3

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a ácbed 9C9Yf $j¥¡ v ·¡o±~;²QP¡X =k#¥´²t¡±7&¢ /B1'&9)*.0(@/)L | ¼ ¾ x A ¼ ¾ A q 9n w 0 ¸ n q nI9 w 0 ¸ 9&() % 13/95"L ¼ A q 9

n w 0 ¸ n q n 9 w 0 ¸ 9 ¼

'(G31 >28 ((/&F16/95@)-.216/ % ( >E~ # &[email protected]*4-(5 8 +-G7. > .2^3/9( 5 # + > (4D,w13,w(/7)*4$4-) # )*.0K 8 (@4 w 0 ¸ n () w 0 ¸ 9 G # +*.2(/7) # G3(5 >?#=A 164*.2)-.216/ % ( ># 51 89A98 +*( wIw C5E> (@4-) "# /916)*(+K 8 ( A 1 8 + > (@4 A +*1VH > 4,.2/95(4XW > (5 #V> 5 89>% (@4],16,(/7)-44*) # )*.2K 8 (4 A ( 8 )4-(+ # ,w(/x(+ "#:8 /x(ËoÌ~ÍXÎÏÏÐÒÑÓÔ²Õ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 Q

Page 68: Statique des poutres (elastiques Jean GARRIGUES Mai 99

7 4 egYY.2/7) '(^3+ #V> (4-.2, A9> ($L w 0 ¸¿n A | Is39 x9

| s39 x61 "8 () 4-16/7) > (4 A 16.2/7)-4 % ( >?#;> .2^3/9( % ( A +-1H > K 8 . %'( > .2,.0)*(/7) 0 3C0 (,(,(6W w 0 ¸ 9 A | Is¥n x9

| s¥n" x6

/x(F16.24 > (4;516/7)-+ # .2/7)-(4) # /9^3(/7)-.2( >2> (45 #V> 5 89>X'((@4W16/ A ( 8 ) #V> 16+*45 #V> 5 89> (+ > ( 8 +,16,w(@/)+ '(4 8x> ) # /7) gji(/ ()Y(/ %'( %98 .2+-( >?#A 164*.0)*.216/ %98 5(/7)-+*( % (=5.24 # . >2> (,(/7) C9 / A ( 8 ) #> 16+-4 %'( %98 .2+-( > (@4513/)*+ # .0/7)*(4()> (4 %'( Ax># 5(,(/7)-4 %98 4 "#hqIgjiC M MEl aFd]rP`WfP_Ibe^`Ub[rPdQfR`9dQ_!_qn^7`0 ( >?# ,(,(], # /9. "(+*(=K 8$~ (/q)-16+*4-.216/W >?#&> .2^3/9( % ( A +*1VH > (4*) 8 /q^6+ #VA 9(513, A 164 '( % (&9+ # /959(4=+*( > . # /7)% (4Y/ 89% 4 HU^ 8 +*( 9C : C

u

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a ábd xC :;f)Q »oF!P¡X7 ±9heR¡ X$k#¢F $ kÁ¹48 .24*K 8 ( > (4:516/7)*+ # .2/7)-(@4w) # /9^6(@/)*.2( >2> (@4 %U# /94 >?# 4-(5@)-.216/ % +-16.2)*(4*16/7):513/94-) # /7)-(4 %U# /x4 >E~-'( AU# .24*4-( 8 + % (5 # K 8 ( &9+ # /959(3WU13/ A ( 8 )Y+ # .24*16/9/9(@+4 8 + > (@4 U89w% (

¼ "# )-+ # G6(+*4 > (451 89A98 +*(4 C ><.@É " ) XÆÈ%) $'&(" ) / 5@16/94*. %e"(+-( 8 /x( &9+ # /959( w ()=13/5916.24*.0) A 1 8 + >#&A 13+-)*.013/ % (4-(5@)-.216/ % +-13.2)-(K 8 .y+*(51 8 G7+-( >?#&9+ # /959(=(@/)*+-(=4*(4 % ( 89 / 8x% 4 C34 1 8 + >?# &9+ # /959( w W >?#> 13. % ( U89:% ( ¼ 4 8 + y 4 ~*'(5+*.2)yLq 9 n w 0 ¸ n q n 9 w 0 ¸ 9 A | ¼ ¾ xA qr|F

¼ ¾ z xlF |9

¼ ¾ p xA

¼ ¾ q ¼ ¾ A q / '(5+*.2G # /7)5()*)-(=+*( >?# )-.213/ A 1 8 +5 # K 8 (&9+ # /959(6Wx16/w1 &9)-.2(/7) > (4+*( >?# )-.213/94"(@/)*+-( > (4" U89%$~ (/7)-+ '(( () > (4 U89% (4-16+*)-.2(7 % (=5 # K 8 ( &x+ # /x56x( C

3| ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 ËoÌ~ÍXÎÏÏÐÒÑoÓÔÕ

Page 69: Statique des poutres (elastiques Jean GARRIGUES Mai 99

:--BD B 9D " w BE ><.@É " ) )K2 É ) /5@16/94*. %e"(+-(, # .2/7)-(/ # /7) 8 // 8x% ()16/5916.24-.2) A 1 8 + g>?#A 16+-)*.216/ % (D4-(@5)-.216/ % +-16.2)*("K 8 .7+ # 5513+ % (> (4&9+ # /959(4YK 8 . # &J1 8 )*.24-4-(@/) #8 / 89%$C/%$# 4*(5)*.013/ '() # /)(@/ A +-1VH > ,w.2/95(6W >E~# .2+*( % ( (4*) % ( >E~ 16+ % +-(% ( 9 W % 16/95/ '(@^ > .2^6( # & > (6W7()4-(@4,w13,w(/7)*44-) # )-.2K 8 (44*16/7)/ 89> 4 C/%#> 13. % ( U89% (

¼4 8 + y 4 ~-'(@5+-.2)$L|· ¼ ¾ x A ¾ XAÁC

1 "8 (4*) >E~ (/94*(,& > ( % (@4/ 8 , '(+*164 % (&9+ # /959(4 # &J1 8 )*.24-4 # /7) #V8 / 8x%$C% ( A +*1 %98 .2)4-5 #>?# .2+-(v ¾ sG #V8 )D+-(@4 A (5)-.2G3(,w(/7) ` 1 8jq ` 4-( > 13/K 8 (v (4-)Y4-16+*) # /)1 8 (/7)-+ # /7) C / A ( 8 ) '(5+*.2+-(=5(@4+-( ># )-.216/x4 A 1 8 +)-1 8 4 > (4/ 89% 4*# C ><.@É " ) È%.*f* "*)4 1 8 +D5 > 16+*( >?#%'(@)-(+*,w.2/ # )*.216/ % (4 U89 W3. > F #8 ) 8 )*. > .24*(+ >?# 4-(@516/ % ( A +-1 A +-. '() '( %98 5 # , A% (@4516/7)-+ # .2/7)-(4) # /9^6(@/)*.2( >2> (@4$L >?#=A +*1 A +*. '() '( % (=5.2+-5 8x># )-.216/ % (

¼> ( > 16/9^ %$~ 8 /9(51 8 +A&J(F(+*, '(( y W7K 8$~ 16/B+ #A9A ( >0> (.25.6L| ¼ ¾ A q@w 0 |` | 9n w 0 ¸ n& q nI9 w 0 ¸ 9& q | ¼ ¾

1 "8> ( % (+-/x.0(@+)-(+*,w((@4-) ># 4-16,,w( % (4D5.2+-5 8x># )-.216/x4 % ( ¼ > ( > 16/9^ % (4D516/7)-1 8 +-4.2/7) '(@+-.2( 8 +*4"(/7)*1 8 + '(4 AU# +y3C /5916.24*.0) A 1 8 + =>?#A 16+*)-.216/ % (=4-(5@)-.216/ % +-16.2)*( %'( > .2,w.2) '(@( AU# + 8 /9( > .2^3/9(YF(+-, '(()-+ # 5 '((4 8 + >?#> .0^3/9(% ( A +-1H > (/7)-1 8 + # /) 8 / )-+*1 8 C- :#w% 16/95 8 /513/7)-1 8 +]( ) '(+-.2( 8 + yB 4 8 + >#&> .0^3/9( % ( A +*1VH > (@) 8 /513/)*1 8 +:.2/7) '(@+-.2( 8 + y ?> (w5@16/7)-1 8 + %98 )*+-1 8 CD / #A9A9> .2K 8J# /7) >?#A +-1 A +-. '() '( % (B5.2+*5 89>?# )*.013/4 8 + W16/1'&x)-.2(/7)$L | ¼ ¾ A 9n w 0 ¸ n q nI9 w 0 ¸ 9

/ '(5+-.2)Y5()-)*(=+-( ># )-.216/ A 1 8 +5 # K 8 (, # . >2> ("(@/)*1 8 + # /7) 8 /)*+-1 8$C! ?"*) ><*2(,/.>3)%~ (/x4-(,& > ( % (4 '(K 8U# )-.216/94 A + '(@5 '( % (/7)*(4 ?> 16.24 % (4&9+ # /959(@4W > 16.24 % (4=/ 89% 4](@) > 13. % (, # . >2> (@4 F13+-,w(8 /4*74-) "(@,w( %$~-'(K 8U# )*.013/94 > .2/ '( # .2+-(1 "8> (4.2/9513/9/ 8 (44-13/7) > (4516/7)*+ # .2/7)-(@4) # /9^6(@/)*.2( >2> (@4 1 8> (4 U89 "#>E~ (/7)-+ '(@(](@) "#;># 4-13+-)*.0( % (5 # K 8 ( &x+ # /x56x( C[ /B(/ %'( %98 .2) > (4516/7)*+ # .2/7)-(@4) # /x^6(/7)-.2( >2> (4 "#;>E~ (@/)*+ '((;() "#>?# 4*16+*)-.2( % (=5 # K 8 ( &9+ # /959( C / A ( 8 ) #> 16+-45 #V> 5 89> (+ >?# 513/)*+ # .0/7)*(]) # /9^3(/7)-.2( >2> ((/)-1 8 ) A 16.2/7) %$~ 8 /9( &9+ # /959((/ #VA9A9> .2K 8U# /7) >?#> 13.% (4&9+ # /959(44 8 + 8 / 5@16, A +-.24(/7)*+-( >E~ (/7)-+ '(@( % ( >?# &9+ # /959(:() 8 /9(:51 89A98 +*(:K 8 ( > 516/9K 8 ( %J# /94 >?#&9+ # /959( C

7'M b X O \fX g 9BY[X3_BX \ WX K/UBQeVfi[TIO \^_BX >lU @F 9 dQIO o1sBX \^X V O U _B\ P o TIghjTIdfV X UBO X WX K/UBQIVi[TIO _BX VdTIj 6Ycb UBO X-_^b X O/Vd X<XY[Y[X \ WX VfQIO'VUBO X(o TIg 9 i[OBQIi \ TO Y i[O-WX QIi[d X-_BX\ QIUBVd X\ M B Xo i^m/i X O/V _ UHcQIi[V K/U X(Y[X ghTIg X O'V \ VQIViK/U X-_BX VTIUBV XPY Q \X o Vfi[TeO X \ V-O/U Y MËoÌ~ÍXÎÏÏÐÒÑÓÔ²Õ ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 >

Page 70: Statique des poutres (elastiques Jean GARRIGUES Mai 99

Q- ÖØ×eÙÛÚ-8 ÜFÝeÞß8FàeáB8FÝeà58câ8 ãß8Ê×ÇäeåeáuæeÝ58 âK8ãjäeà7ç 8¥áÚÚ#8 ËoÌ~ÍXÎÏÏÐÒÑoÓÔÕ

Page 71: Statique des poutres (elastiques Jean GARRIGUES Mai 99

; ! %$# ) '(16+*.0( % (4 A 1 8 )*+-(4(4-) 8 /9( 2j¹¡¢¹ *&±9rok¢&± ¡¥u¥±r±9&³ »oF² C % (4:( 1[16+*)-4( ) '(@+-.2( 8 +*4]4*16/7) % 13/95516/94*. %e'(+ '(@4]5@16,w,( #A9A9> .2K 8e'(44 8 + >#;> .2^6/9(,w1V3(/9/9( % ( >?#=A 1 8 )*+-( C % (4D( 1[16+*)-4D.0/7) '(+-.2( 8 +*4 %$~ 8 /:,. > .2( 8 5 8 +*G7. > .2^6/x("4*16/7)+-( A + '(4*(/7) '(4 AU# + 8 / u¡o&±9 L > ()-13+-4-( 8 + % (4( 1[16+*)-4.2/7) '(+*.0( 8 +-4 C AG? N 9p9 nnH ADg i N g J 9p9 g J nn % (4 %'(F13+-, # )-.213/94U4*16/7)$+*( A + '(4-(/7) '((4 AU# + >?# +-13) # )*.216/ % ( )-16+*4-.216/ % ( >?#D> .2^6/9(,1V6(/9/x( %98 ( #V8 ,16,(/7)% ()-13+-4*.013/ W > (4G # +-. # )*.216/94 % (]5@1 8 + & 8 +-( % ( ># > .2^3/9(,1V6(/9/x( +*16) # )-.213/94 %x8 (4 #V8 ,16,w(@/) % ( ( .213/ () AU# + >E~ #>2> 13/9^6(@,w(/7) % ( >?#;> .2^3/9(,1V6(/9/x( Cx x A xz Nx xz 9x 9 xz nxl nxz Nx L 0'(F13+-, # )-.216/ % (])*16+*4-.216/xz 9x L >"# +-. # )*.013/ % (=51 8 +A& 8 +-( %J# /94 > ( A9>?# / us N W s¥n A %'( F16+*, # )*.216/ % ( ( .216/ #V8 )*1 8 + % ( (9xz nx L >"# +-. # )*.013/ % (=51 8 +A& 8 +-( %J# /94 > ( A9>?# / us N W s39 A %'( F16+*, # )*.216/ % ( ( .216/ #V8 )*1 8 + % ( nx6 Nx L E>2> 16/x^6(,(/7) % ( >?#;> .2^3/9(,1V6(/9/x(4 1 8 + > (4 A 1 8 )-+-(@4 % +*16.2)-(4XW913/ A ( 8 ) # , 1 8 )-(+ > (4+*( >?# )*.013/94^ '(@16, '(@)-+-.2K 8 (4XLxVz 9xl A q x 9 nx s N 9 () xz nx A x 9 9x s N 9 /B(/ %e'( %98 .2) > (4 %'( A9>?# 5(,(/7)-4 AU# +D.2/) '(^6+ # )*.013/ % (4 %'(Fc16+-, # )*.013/94

A |

Q xz Nxl xz 9x p9 xz nx n R x z A p k SK |

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Page 72: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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Page 73: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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Page 74: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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Page 75: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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Page 76: Statique des poutres (elastiques Jean GARRIGUES Mai 99

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