注册 登录  
 加关注
   显示下一条  |  关闭
温馨提示!由于新浪微博认证机制调整,您的新浪微博帐号绑定已过期,请重新绑定!立即重新绑定新浪微博》  |  关闭

我色我乐 我言我心

我色我乐乐在我色,我言我心心在我言。

 
 
 

日志

 
 

[原]华灯初上时...(8P)  

2008-09-25 12:27:56|  分类: 风光拾色 |  标签: |举报 |字号 订阅

  下载LOFTER 我的照片书  |

<縃/img.blog.163.com/pho6ccdUZ1vmJ4kG8Ae_Pn6vphA=>芜湖长江大桥:>上图1# 8#不是span6vphA=www.lofter.co"_blank" hre"_blank" hre 在世界第三大河——中国长江蒮on修建有24座大型的桥梁,其中芜湖长江大桥是我国目前跨度最大的公路和铁路两用桥梁,在同类型重载桥梁中,它的主跨度仅次于丹麦厄勒海峡桥,居世界第二。   an6vphA=www.lofter.co"_blank" hre"_blank" hre 铁路桥全长10520.97米,公路桥全长5681米,正桥长2CAd.70米为公铁共用。   an6vphA=www.lofter.co"_blank" hre"_blank" hre 芜湖长江大桥地理位置非常特殊,既要满足公路、铁路yle枰忠愫 俺そ降纘le枰R氩挥跋烨畔碌乃耍蚭枰亚诺目缍茸龅镁】赡艿拇蟆T渭游浜骸⒛暇⒕沤そ笄诺戎非派杓频姆角睾涸菏浚熘刑笄啪值纳杓剖γ牵虻刂埔颂岢隽艘源罂缍燃le崩派杓品桨浮   an6vphA=www.lofter.co"_blank" hre"_blank" hre 这个桥借用公路桥的桥设ont衑崩"d c们都知道on斜拉桥是柔性结构,跑公路没问题,跑铁路有问题。相对来说,铁路桥应当是刚性的,所以如何将公路yle崩鸥脑斐膳芑鸪档母招缘膃崩"d这是个技术难题。   an6vphA=www.lofter.co"_blank" hre"_blank" hre e崩胖饕ü蚭崩骼刺岣咔帕焊斩龋凑1壤杓"d 吆潘哂ξ80米左右,但是thti大桥距离机场很-vo为不影响飞籺yl正常起降,只能修到34米高。按常理这样的塔高,跨度只能做到136米长,而芜湖长江大桥的跨度却做到了312米,这与同类型桥梁相比,可以说是创造了世界高跨比的极限。   an6vphA=www.lofter.co"_blan "_blan 塔矮了,对桥梁刚度影响很大,对"ht吆沤鼋鲆揽縠崩逑岛苣崖闾非鸥斩纫蟆2唤鋈绱耍牍庀啾龋夜奶凡唤龀械W趴驮耍琧us=的承担着货运任务,也就是说中国铁路桥要承受的车辆重量及列车动力作用要更大些,这就要求 c们的t吆笄乓薜帽裙獾母咏崾担馕抟稍黾恿饲帕旱纳杓颇讯群徒ㄉ枘讯取   an6vphA=www.lofter.co"_blan"_blank" hre 提高桥梁刚度的另外一个途劲就是提高e崩胖髁旱母斩取N耍杓剖γ鞘状翁岢隽瞬捎冒彖熳楹辖峁怪髁汉偷退㧐崩畔嘟岷系慕峁固逑怠T诘退跫拢晒饩隽舜罂缍忍非诺母斩任侍狻U馐且恢置患淖楹希砻髦泄那帕荷杓剖γ羌翰痪心鄑i传统的结构形式,在因地制宜,c挥写丛煨缘亟饩鍪导使こ涛侍狻   "_blan 从武汉长江大桥跨度128米,发展到九江长江大桥216米,花了近4O年时间,而芜湖长江大桥主跨突破300米,却用了不到10年的时间。芜湖长江大桥是我国重载桥梁跨度发展的一个里程碑,它的建设成功表明我国已经跻身于世界大跨重载铁路桥梁的先进行列。 (文字来源网络span6v/div>

lass="fc0
plas>|&nb="right bdwl ydb_20lass="pright pla ydb_lass="pright pnt fc0bcm">ydb_20ydb_20lass="pright nbc-0rt"c-0-40 plamt plamt- 评论这张cn0-919">ydb_20ydb_cn0-919">ydb_20yd/div> la b.bst"te6t/javss=:underginLs/mi;" ="codpng?fksettifyydb_20ydb_cn0-919">ydb_20ydydb_lass="pright nbc-0rt"c-0-40 plam <转发至an icn0-919">ydb_20ydcl/d0-919">ydb_20yd/div> ydb_20yd
|&nb yd1">s="sclassshtoofter2div id="$toLs="tr ⒉ |&nb="right bdwl ydb_20lass="pright pla ydb_lass="pright nbc-0rt"c-0-40 plami ydb_b_l">b.bst"te6t/javss=:underginLs/mi;" ="codpng?fksettifyydb_20ydb_cn0-919">ydb_20ydydb_lass="pright nbc-0rt"c-0-40 plamt <转发至an icn0-919">ydb_20ydcl/d0-919">ydb_20yd/div> 万元兴趣ydb_l
n> yd cl/
"lb iv cibar fc0 3ight

mp;u(v class="sharass="pri b_lass="pright 评论(v class="shar ydb_20yd cl / p/a>p-comn>ass="pri b_cl/

hareAndDownLoad">
ydb_l
L oef=" sss=" oef=" sss=-ss=/w ydb_20ydydlass="pright f-myLikeIe=" likebtn pan>nbsp;蟖n>

ydb_b_lass="E9%83%A8-myLikeIe=" reid="ef=btn pan>nbsp;蟖n>&ydb_b_b_b_lass="< if( pline/rd> ydb_b_lass="E9%83%ALoad" h">/d0-919an clas

b_b_ld0-919">ydb_20ydydb_b_b_lass="pright f-myLikeIe=" rg phibtn pan>nbsp;蟖n>ydb_20ydb_b_ld /div> /div> /
snlas ass="mcnt ztag"rd>co/d07 zta cl/ pDiv

/div>

/
to" ssdiv> cl/h4dE9%83%Aass="mcnt ztag /div> ydb_b_b_ldiv>

/ :0; 0;tagrds0w: l/h4dE9%83%Aass="mcnt ztag /
2 clearffw0 fs0"> /div>

/div>

/ :0; 0;tagrds0w: l/h4dE9%83%Aass="mcnt ztag /

/div>

/ | &nbyod"><_fks< if( _zoom:1t:2/div>

iv

/
v> m lcl/"> &ad

cl/

cl/>" border="0" scr /div>

iv

/ /h4dE9%83%Aass="mcnt ztagdefocu< if( ds0">:.co%;tagrds0w: />< if( max-ds0">:78ass= : style= styl5ss=6 bdwb bsdic 07 ziv civ c.co_eight"ht="0" i.co% 0" frameborder="0" scrol inheight="0" maeight="275" margie" > iv>
lass="fc0

/div>

/ l lcl/0-91d< if( ds0">< ; 2ass=

&ydb_b_b_ < if( /div>

/div>

/
iv="ef iv

l/h4dE9%83%Aass="mcnt ztagcl/">namk hsdivCd=".co 07 zsdivCd=".co /
w-im frdiv>

/div>

/
>| &nbyod"><_6%92%A9%E5_zoom:1t:2/div> ydb_b_/div> ydb_b_/
ctra="rig> b_b_ld yd/div> /div> /
>|&nb= thiloc ivcl/argili namk hrc=" rhis.p={ m:20 bydb_b_b_ydb_b_b:20 bydb_b_b_ydb_b_oftePerm frnk:''0 bydb_b_b_ydb_b_id:'p://wangx163t=1.bl6gxduo163.com/g/#m=0&t=1&c=fks_087'0 bydb_b_b_ydb_b_sdiv <:'

'0 bydb_b_b_ydb_b_sdiv :''0 bydb_b_b_ydb_b_sdivUrl:on(){n.do?url=http://wangxduoyan.b'0 bydb_b_b_ydb_b_isPubleahed:10 bydb_b_b_ydb_b_is :fa 0 bydb_b_b_ydb_b_="ht:20 bydb_b_b_ydb_b_mo idylog-:12224CAd445200 bydb_b_b_ydb_b_classshlog-:122231logan.b0 bydb_b_b_ydb_b_cerm frnk:'sdivn.do?url=http://wangxduoyan.b'0 bydb_b_b_ydb_b_iv="ef Cou :580 bydb_b_b_ydb_b_> :'unF wiow'0 bydb_b_b_ydb_b_claSucc:''0 bydb_b_b_ydb_b_visi/spProvince:''0 bydb_b_b_ydb_b_visi/spCtry:''0 bydb_b_b_ydb_b_visi/spNew bd :fa 0 bydb_b_b_ydb_b_crc=AddAd:fa 0 bydb_b_b_ydb_b_src=Icomo:' '0 bydb_b_b_ydb_b_hmiv :'1'0 bydb_b_b_ydb_b_selfRciv=BdivCou :'n'0 bydb_b_b_ydb_b_ofter2_ibogle:'one;" idds0">网1="rtop_ifram56oe < if( tagrds0w: lEcom/ pnt fc0 fc f="r" cl/">E9%83%A8/spf新绑 line-height:20
<*(_widtcl/"http://yxp/
cwdvvnamk="l  &新绑秔an line-height:20 ;padding:10psdivde2dimlaybd v s/wapsdivdhtml?ul "ef=son"trdivhog-o &新绑秔an line-height:20 &新绑秔an line-height:20 &新绑秔an line-height:20
E9%83%A8/spfiblo line-height:20pl b_b_ld <*(_widt{ngxst*(_wi line-height:20p
${fn1(a.ubd Namk)}"et/"http://y/"> line-height:20pE9%83%A8/spfiblo
i/wrpan c502${tarelfIcomo|escape}{if gi t260}${suLoa".co}{d><*/div>

/
n> div> mbgas>|&nb=giliv class="ncl/
mbgai "_blan/div> cl/"> &<*(_witc 赜 byd/argili namk hrco/d07 z-co "l line-height:20pE9%83%A8/spfiblo
tc 的人 phi一扫”

pnt fc0 fc f="r" clcl/"> & cwdv"l  &<*(_wi {ngxst*(_wicl/" 0*(_widt/p dE9%83%A·蕆rbo &·<*(_wi转詐记录 phide" i bydb_蕎0 fs0"> < bydb_b_cllass="pright Load" pnt fc "#183en00-919 bydb_b_cll
rsdv"l ·"l line-height:20pE9%83%A8/spfiblo
bydb_{lea" a as x*(_widt{if !!x*(_widt/63.com/">"l line-height:20pE9%83%A8/spfiblo
"l line-height:20pE9%83%A8/spfiblo line-height:20p<;padd${x.sdivUrl|4}{bi k}{d><* bydb_b_{if !!x*(_widtb_b_l63.com/">"l  &iblo line-height:20p
${fn2(x.classshlog-,'yyyy-MM-dd HH:mm:ss')}:/0-919">ydb_20ydpan class=" {n><*(_widt {ngxst*(_wicl/"ive bydtc 赜 byd/argili namk hrco/d07 z-co "l line-height:20pE9%83%A8/spfiblo
BdivPerm frnk)*(_widtcl_lass="pright ilne/pnt fc03" id="$_b62"r""_blan/d0-919 bydb_b_b/
Load" "l E9%83%Aiblo
BdivPerm frnk}hre${sdivDg.163.t">BdivT |escape}/"htpa <*(_widt {if !!(sdivDg.163.nrgiBdivPerm frnk)*(_widtcl_lass="pright irge/pnt fc03" id="$_b6og_subscribe"> L "l E9%83%Aiblo
<*(_wi ho It.h/pnt fc0 fc f="r" cl/">E9%83%A8/spf新绑 line-height:20
<*(_widtcl/"http://yxp/
cwdvvnamk="l  & &<-myLikeIe=" ho ="ht {if x.="htt=1} js-like="ht{ if x.="htt=2} js-rg phi="ht{ if x.="htt=3} js-hareAa"ht{ }{d><* line-height:20 <*(_widt{ngxst*(_wi ttlss=" ss=s>co/e bydb_b_b_________/"> &headss=s%E8%AF%8D%E5%BA%95% line-height:20p<;padd${head

0-91dE9%83%Aimg b_______/"ht b b_______/ive b b_______ {if 0*(_widtb_______b_______{lea" w.lslea" as x*(_widtclb_______b_____{if x_ntBex>7}{bi k}{d><* b b_______ __/63.com/">"l <*(_ b_______/"">·< b_______/

downl>< b b_______b___/"> & ui/sp> div> b___/h4dE9%83%An"> w-im f被w cl>tc "wk4s b___/iv class="w-im bla"/n"> w-im f最新 tc "wk4s b___/iv class="w-im bla"/n"> w-im f该作者的其他微信"wk4s b___/iv class="w-im bla"/n"> w-im f博主w cl"wk4s b___/iv class="w-im bla"/n"> w-im f随机mp;u"wk4s b___/iv class="w-im bla"/n"> w-im f首页w cl"wk4s b___/iv class="w-im bla"/ iv co sdiv m noul ">更多true&ruen0 icn <_ cibar fc06 bdwb bcolor_zoom:1t:2/div> ydb_/ classsh> div> b___/
id> nt ztag">| &nbyod"><_> < if( _zoom:1t:2/div> ydb_/ nt ztag/e bydb_b_/
cenc/ w0 fs0"> clonc/< bydb_b_blass="pright w-im pnt fc03" id="$_b57">"_blan/d0-919 bydb_b//
w-im >|&nbs Namk|escape}/"ht"_blan"_blan投票给 bydb_b_b {vs="<*"_blan"_blan“${s[v" hToOp fil_ntBex]}”"_blan"_blan bydb_b_b b___{n><*(_widt____{ngxst*(_wi______{if (x.role!="-//) },“我是${c[x.role]}”"_blan"_blan{n><*(_widt____"_blan"_blan"_blan"_blanlass="pright "_blan"_blan"_blan"_blan${fn1(x.v" hTog-)}:/0-919">ydb_20yd{if x.ubd Namk==''}{d><* bydb_{n><*(_widt{ngxst*(_wi
<< bvs="wumiiPerm Lrnk = ';},50);sdiv m noul /wangxduoyan/sdivn.do?url=http://wangxduoyan.b/"; //微信的永久链接,作为微信的蝍ss标识 bvs="wumii s = '"; //微信gsep 杂⑽亩汉欧指簦纾"gsep1,gsep2" bvs="wumiiStraP;paix = ';},50);sdiv m noul /wangxduoyan/"; //博客的主页地址,作为博客的蝍ss标识 bvs="wumiiParams = '&num=5&mo e=3&pfrc="hm n"; //num为默认显 的相关微信数目,mo e为默认的显 模式(1为微字,2为图片,3为自动) ospan>< bAospan>
ds0get.wumii.iv=/rgi/ to" sdIt.hsWs0get.htm/< b bAospan>
ts m noul n.do?url3rd/js/0.1.0/ts_ad.rc="//ospan>< bAospan>
<< bydb_fun> r cr h.coe>"_blan/d
thmb lcr bh 0-9cc/< bydb_b_/
l bl bhe>"_blan/d
r br bhe>"_blan/d
p ph lcre>"_blan/d
ldwl g lg h.coe>"_blan/d
ldwl t lte>"_blan/d
ldwl b lbo<"_blan//
="wr g rg h.coe>"_blan/d
="wr t <"_blan//
="wr b rbo<"_blan//
thli -smbo wkg h 0-9cc/ 9 ho<"_blan//
r ho<"_blan//
c ho<"_blan//
thli -foo/e __/ << bydwntBow.N = {tm:{'zbtn':'cbtn'0 bydb_b_b_ydb_b_____'bdc0':'bdc0','bdc2':'bdc1'0 b b_'bgc0':'bgc0','bgc1':'bgc1','bgc2':'bgc2','bgh0':'bgc9'0 b b_'tc ','相册','音乐','收藏','博友','关"ht','p?act='],'enabled':[=,1,6],' Namk:'.163' _____,rginLUpd" slog-:133571tp25403 _____,bencUrl:'text-dewangxduoyanstyle="TEXT-I/' _____,gef=d :'她' _____,e> l:'wangxduoyan@m noul ' _____,DENtom nNamk:'wangxduoyan' _____,DENtom nHrc=Namk:'wangxduoyan' _____,TOKEN_HTMLMODULE:'' _____,isMv ciUbd Bdiv:fa ____ ,isWumiUbd :truk _____,sRank:-.co __}e //ospan>< b___ Aospan>
b1.bst"te6t/javss=:under/j/pc.rc?v=1500663.91797">//ospan>< b___ Aospan>
b1.bst"te6t/javss=:under/j/m/-co/pm.rc?v=1500663.91797">//ospan>< b__Aospan><
">//ospan>< b__Aospan><="htt"argi/javtospan>"> _____/was_nacc=on(){';neteencTrn>ker()e ____ ____w.l ImRea(). < = 'text-desdig m noul nw.l:underginLs/an"tysecpng?s=p&t='+w.l D" s().getlog-()e __//ospan>< bAospan>> wntBow.blolog-out(fun><']=r;i[r]=i[r]||fun>','//iv> google-an"tytics iv=/an"tytics js','ga')e __ga('ci te', 'UA-692049 n-1', '关眔')e __ga('sef=', ':undview')e },30s)e 万元 //ospan>< 元 /ospan> ="htt"argi/javtospan>"> ____wntBow.blolog-out(fun>('text-demusic.ph"te6t/javph"rc?0s1')e J.crc=D" aByDWR(se&affil. <,'MusicBeanNew','oeoCopy MusicSessfilToken'0fa )e },f00s)e //ospan>< b元 /ospan>> wntBow.blolog-out(fun>')e ____ospan>.async = 1e __ inhipt. < = 'text-des1.bst"te6t/javss=regds0w/ ts/js/sdig_aswlf_V3_1"rc'e __ docu".co.body. taef=Child(inhipt)e ____ },30s)e 万//ospan>< ____Aospan><="htt"argi/javtospan>"w-blog/w.l:undet"> ="co e/t">ttidy.rc=>//ospan>< b