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(67) cc cc/ cc/

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(84) c cc  c ccc c c  cccc

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(99) 3$5cc c   cc c c ccc cc c cc c ccc cc ccc cc ccc  cc c ccc cc c c c

(100) cc  cc9c cc

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(103)  c cc  cccc cc cccc c cc ccc  ccc  c  c cc

(104)

(105) cc cc cc cc. c  cc c c  c c cc  cc

(106) cc

(107)  c c.  . c c ! ccc c c c ccc c c

(108) c ccc

(109)  cc c c ccc c cc c  c c.      .    .

(110) c c c cccc!c  cc c c cc cccc c  cc c c ccc c.   

(111)   . c c 7 ccc & cccc c  cc ccc

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(115)  c cc

(116) cc

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(118)  c c  cc c  c

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(120) ccc c  c cc  c  c. c c c

(121) c c

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(125) cc  c  c c7ccccc c7c c) ccc:;<Bcc

(126) c ccc

(127)

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(129)

(130)  "c/c!c cc-  cc#c ' c c4:c7c cc

(131) c  c:;<=ccc

(132)   cc:;;<c c c c.   .

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(134) cc:;ABcc& c c# c/ c c  c  cc cc

(135) c

(136) c cc cc

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(138) c cc c3A5cc. c cc ccc cc  ccc

(139)  ccc cc  ccc c*"

(140) c c2c!cc2c-c. c(c+c+ c !cc2  c+ c& c c / ccccc ccc.

(141)  cc c c. c 1c cc. c cc c/ cccc.  cc c c.   cccc  c cc1cc cc  c cc c  cc c 9c  cc  c

(142) c c.   0c cc

(143) ccc c

(144)  ccking postc c c cc

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(146) cc c c c c

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(148) c c.         .

(149) c c c cc cc cc c

(150) c ccccc c cc cccc c   c c ccc c. c c cc c.      . c c ' c c!cc   c:;%=c c ccc cc

(151) cccccc

(152)

(153) c cc c

(154) c cc c cc

(155) ccc c cc c ccc

(156) c c ccc cc

(157) c#cc c"c cc cc cccclenticular pony truss bridgec 0c

(158) c c, cc c c c

(159)

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(161)  c  cc cc c  ccc' c c!cCc1 ccccc

(162)

(163) c  c cc   c cc

(164)  c  cc cc  c  cc c c c c

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(166) c

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(168) ccccccc cc  c cc ccc ccccD cc

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(170) c  c

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(173) c  c c

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(177) c cc

(178) c c"

(179) c cc c

(180) cccccc

(181) c c ccc 'c !ccc   ccc!c c!c+ c c.  .

(182) c c / *'c c cc, cc 8cc(

(183) c/c, cc:;$BEc cc"

(184) ccc0c! c!ccc  c/ ccccc c c. cc cc  c c. cc 3<5c c. º       c ccccc ccccc

(185)  c

(186)

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(188) ccc

(189)

(190) c  c c c" c c c c"

(191) c cc ccc c  c!cc(. c+c c. º   . c c  cc c  ccccccc#cc cccc

(192)

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(194) c

(195)

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(197)

(198) cc c  cc c

(199) cc c9cc  c c cc  ccc ccc  cc ccc c cc

(200) c c cc ccc c#cc) c/c  ccc  cc c*c&. c c+

(201) cc#  c 8c

(202) ccccc:;;%3>5c c  cc c cc c

(203) cccc c

(204) cc cc cc ccc<Bcc>%?ccc

(205) ccc c  cc ccc "cc cc  c ccc

(206) ccc  ccccc c  c  cc

(207)  ccc ccDc c c c

(208) ccccc c  c

(209) ccccCc(cccc c c c. º   º  .

(210) c c cccc c cc c3;5c c"

(211) c ccc

(212) cc c( c!cc-  c& c c c. º . c c c cc c ccccccc#cccc   c cccc:;<$c c(  c(c ccc  c c ccc     c ccc cc

(213) c c3=5cc c!ccc!c7 c!cc c"

(214) c ccc c c. º   c cc c c  cc cc

(215) c c cc cc

(216)

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(219) cc ccc cc:;AAcc cc+c cccc

(220)   c ccc

(221) c

(222) c c4%Bc cc cc c   c c ccccc c  c. c c ccc  c cc cc cc c c

(223) c. c c ccccc c ccc cc c cc c  cc

(224)  c c

(225) c c ccccc c cccc  c c ccccc c c 

(226) c  cc ccccc 

(227) c c c c c c.   . c.

(228) c Gc cc c9

(229) cc  c6 c c6  cc c ccc

(230) ccccc. c

(231)

(232) ccc cc c cc cc

(233)  c  ccc  c " ccc c cc c c  c c

(234)  c   cccccc. cc cc c

(235) 3:B5c c.    . c c cc c c cc  c  ccc c c cc cccc c c c ccc c c c c  c

(236) ccc

(237) "ccc  cc. ccccc  cc c c  c ccccc-D c!c c c. !

(238)

(239)  . c.

(240) c #cF©Fcc:;=;cc c:;=AcC(c c%4=44Bcc

(241)  cc  ccccccc ccc cc cc c. ! "   c c #cccHc c cc ccc

(242)  cc cc c c#ccc

(243) cc:;A;cccc2 c#cc# c c & cc c c c  cD c ccc    c  c cc9c

(244) c

(245)  c ccccc ccc  c cccD c cc c  cc  cc c c c c

(246)  c, c. cc ccc

(247)  cc c

(248)

(249)   cc cc c c  cc ccc c c

(250)

(251) c c cc

(252)  cc

(253) c c c cc   c ccc  c c cc c cc ccccc

(254)   c cc

(255) evillecc ccc

(256)  c   c. c  cc c.   ! º   . c c !c,:%;c c

(257)

(258) cccc cc c cc cc cc c  cc c c cc cc c   c cc

(259)

(260) ccccc c  cc  ccccc ccc  c c c cc c  c cc c c  c c"

(261) c cc ccccc7c0c!cc7c0c+ c c. # 

(262)   .

(263) c c c6cc c6ccc c

(264) D cc

(265) c  cc  c

(266) cc  cIccccc cc  c c c c c#ccccc 

(267) cccc c

(268)  cc cc   ccc cc  c c  cc  ccc  c ccc c

(269) cc  c cc c cc c "cccc ccc

(270)  cc  cc  c. ccc c cc c  c c cc" cc

(271)  c c. p     cccc c c

(272) c  ccc  cc c c

(273) cD cc cc 

(274)

(275) cc ccc c ccD c c cc ccc c c - c,c

(276)

(277) c cc ccc cccc c c c cD cc c cc c c ccD c cc"c c c  c c c cc

(278)  cc  c  c c  Jcc c cc  cc c  ccccc c c cc c9c  c c cc  cc c ccc c cc  cc c  c c ccc cc

(279)  c c c  c ccc

(280)

(281) cc cc c

(282)  ccc cc c ccc 

(283)

(284)   c c- c,c cc c  c c cc  c  c c c cccc

(285)   c  c cccc ccc

(286) c cc c   c cccc  c c  c Jc c cîccc c c cc  c ccc c c cD cc ccc c c   c9c c$cccc4  c c #cîcKc4 cLc$ccccc cc  Ú  î c ccîM$cc  c.  cc

(287)

(288) c  c ccc

(289) c cc4 9 c9 c  cc  cc"c ccc c ccc)cc c c cD cccc   c c c  ccccc cc  ccc c c cccccc  c c#cc ccc ccc c  c cc c c

(290) c cc c c

(291)

(292) c  ccc c c 

(293)  c cc  c.

(294) ( c cccc ccc   c c cc  c c c cccc c cc  c cc  c  c

(295) c cc c c cc  cc c cc9 c  c c c c.                         .

(296) c c+ c c cc

(297) cc c ! cc  cc c cc c cccc

(298) ccccc ccc    c

(299) c  c ccc  c  

(300) c  cc c cc. ccc  c

(301)  c cc cc c cc cc

(302)

(303) c cD c cc cc c

(304) c  cc  ccc cc  cc c  c

(305) c cc

(306)

(307) c cc  cc c c c9c c ccc c c  c cc

(308)

(309) c cc ccD c  cc  cc cccc c c ccD ccc cc ccccFFc c

(310) D c*c  c cccccc

(311) c.

(312)  c c

(313) c cHccc cc c c

(314) "cccc

(315)   c cc ccc ccc c cc

(316)  c cc. cc cc cHc ccc c c cc  cc cc c c

(317)  ccccc  c c cc c  c ( cc cc cc

(318) c ccc c ccc "c  c cc c c c  c "c  c cc c c  c c c.    0     .

(319) 0ccccc

(320) c c c ccc=cD cc4c"c=cLc$cKc:%c  c *"c cc  ccc cD c( cccc  ccc  c  c ccc c cccc  cc cc!cc9c cc cc c c cc  ccc  c ccc cc  cccc cc cc 

(321)  c  Jc  î Ú îc îÚ îc  c'cî Úî Ú     c c. ô     cc cc c ccc cccc c ccc c

(322) c  cc c c  c

(323) ccccc c  c  cbottom chordccc

(324)

(325) c   c  cctop chordc c cc

(326)  c  cc c   cc c c cc c# c  c c cc c c

(327)  c

(328) c cc. c  c ccccc

(329)  c ccc  c  ccc ccc 

(330) c  cc

(331)  c c cc c  c  cctruss webcc ccc  cccc  cc cc

(332)  cc" c c c  cc

(333) c cc

(334) c ccc c cc  c ccccc c ccc c  ccc c cc ccc

(335)  c. c c ccc   cc(ccc  cccccc  c   c . c c c c cc c  cc  cc c   c cc c c

(336) c ccc

(337)  c cccc

(338) c  cc

(339) c  c ccc

(340)  c c cccc c ccc  c.

(341) c  c cc c ccccc  cc

(342) c   ccc  ccc c cc c c   c

(343) c

(344)  c c   ccc c  ccc c c cc c cc

(345)

(346)  c cc  c cc cc

(347)  cc c  ccc  c c c c c    c& c c cc

(348) c  cc   c  c cc  ccc  c  ccc c cc 0 cc  c c c  cc cc"c

(349) cc c cc  c  c cc cc  c7 c  cc cc    cc©c cc c c©cKc cNcOcPcQcc ccc  ccc  cOccc c   c

(350)  c:%cc

(351) c. cc ccQcccccc cccc c  cc

(352)  c cc ccc cc cc c cc ccc  c

(353) c c cc  c  Icc

(354) c c  c cc c  c cccc cc)c c  ccc  c  cc. cc

(355)  c c9cc c  ccc  c  ccc c ccc c cc c  I cc c c c c c c c" c c  c cc c  cc cc(  ccc c cc c cc c

(356)  c c c ccFFc  c  c c c  c0cc cc c cc c c  c  cc

(357)  c c c cc c  ccccc. c"

(358) c c   ccc  c cc c 6 c c c c c ccc c  c ccc cccc  ccccc cccccc   c

(359) c cc  c cc"c c.   ô $  c cc   c  c  c cc  ccc

(360) cccc ccc  ccc cc cD cc cc cc c   ccccD c c ccc c c.     0    

(361)    cctwo major forces c c c: compression and tensioncc

(362)  c  cc  c cc D c c c c

(363) ccc ccc c

(364)

(365) c  ccc c cc D c c

(366) ccc. c"

(367) c cc

(368) c   cc cc c  c.

(369) +

(370)  c

(371) cc c cc cc

(372) cc c

(373) cc c c 

(374) ccc

(375) c +

(376)  cRc c7  c c +

(377)  cc cccccccc c c c c c

(378) cc  cc  cc c c cc

(379) c cccccc

(380)  c cc

(381)

(382) c c cc c ccc c c c cc cc cc  c  c ccc cc  c cc

(383) c cc

(384) c c cc c c c c c

(385)  c

(386)

(387) c cc cc

(388) c c c ccc8

(389)  c c c

(390) cc  c c c cc cccc cc c c

(391) cccc.  c c cc  c +   c(c0 cc!c c cccc cc

(392)  cc c c cc c c cc

(393)

(394) c. c c cc

(395)  c  c  cccc cccccc c c cc c  c  cc cc  c c

(396) ccccc ccc  cc

(397) c c c cc  ccc  cc  c. Ê 0  Ê  

(398)    0c  c cc  c  cc  c  c  c9c cc cc c cc  ccc  c cc  c

(399)   cc  ccc c c c cccc   c ccc c c c cc  ccc

(400)  c cc c c cc  cc  c c '  c c cccc cc cc c ccc cc c c  c c7c c cc

(401) cc

(402) cc c c  c  c c  c c c c

(403) c"

(404) ccccc

(405) cc c

(406) c cc ccc

(407) cc c   cc cc cc#cc c  c  cccc cc. c cFc

(408) Fc ccc  cc ccc  c  cc

(409) cc

(410) cc.   c

(411) c  c cc  c cc cc  c cc cc c c c (  cc cc9c c cc cc

(412) cc  cccc   c#c c cc c

(413) cc cc  cc ccccc  c c c c cccc c

(414)  ccccDccccc c  c ccc c c' cc

(415)  c cccccc

(416)  c c  c  c c.

(417) 3. c /  c  c*c' c:=><cFJc c(ccc/  c  c*c' Fc

(418)  c- c c( c'c4BB;B>4Bc c !c! cc c(

(419) c)c c!c8cc  c  ccc c cc c

(420) c cc cccc c /  c!c c& cc*cc&c

(421)   c ccccc. cc  cc c ccc c /  c!c c cc ccc c c  cc

(422) c c c cC( c&c ccccc c /  c!c ccC(cc c  cc c  cc0c:>ABBc ccccc c  cc*c(c!c c0 cc c

(423) c c cc cc cc0 c c 

(424) c

(425)   ccc c cc c "c c cc c & c!c+

(426) Jc!c

(427) ccc c  cc( cc cc c.

(428)

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