Diseño de Losas - Nervadas

 

@DWJW KBQXJMJW

 

@DWJW KBQXJMJW 

@j `dsj kbrvjmj jrnjmj bk ukj sd`j mlrbggl÷k gdkslstb bk ukj gdnalkjgl÷k ndkd`îtlgj mb kbrvjmurjs rbiu`jrnbktb bspjgljmjs y ukj `dsj gd`dgjmj bk `j pjrtb supbrldr qub jgtõj bk ukj mlrbggl÷k.

 

:.- @js `dsjs njglzjs rbhdrzjmjs bk uk sd`d sbktlmd kd sdk gdkvbklbktbs gujkmd `js `ugbs `ds trjnds sdk irjkmbs (; 2n) pdrqub sb tbkmrîj qubmb junbktjr `j j`turj `d guj` junbktjrîj b` pbsd y jmbnês sb prdmuglrê irjk vlarjgl÷k bk `j `dsj. 1.- Gdnd j`tbrkjtlvj sb pubmbk utl`lzjr `js `dsjs kbrvjmjs `js guj`bs gdkstjk mb ukj sbrlb mb vlijs mlspubstjs bk mlrbggldkbs pjrj`b`js y pbrpbkmlgu`jrbs j `js vlijs  prlkglpj`bs d nurd mb gdkgrbtd6 bstjs vliubtjs bstêk uklmjs pdr ukj `dsj supbrldr qub gdktrlauyb j jasdrabr `ds bshubrzds mb gdnprbsl÷k.

 

7.- Wl sb mbsbj ukj supbrhlglb p`jkj uklhdrnb gdnd  pjrtb mb m b hdkmd mb uk tbgcd gdnp`btd ssbb pubmbk rb``bkjr `ds bspjglds bktrb vliubtjs gdk `jmrl``ds cubgds d  a`dqubs cubgds mb gdkgrbtd guyjs nbmlmjs sbjk bstêkmjr, bstds tlpds mb `dsjs sb ``jnj `dsj j`librjmj6 `ds `jmrl``ds d a`dqubs jgtõjk gdnd bkgdhrjmd `jtbrj` mb `js vliubtjs. =.- @ds hdkmds mb bstjs `dsjs tjnalìk pubmbk qubmjr `larbs pjrj `d guj` sb utl`lzjk hdrnjs mb nbtj`, mb  p`êstlgd d njmbrj `ds guj`bs slrvbk mb bkgdhrjmd `jtbrj` mb `js vliubtjs, `js guj`bs mbspuìs sb rbtlrjk.

 

KDQNJW QBHQBK]BW J @JW @DWJW KBQXJMJW

J.- @js kbrvjmurjs kbrvjmurjs d vliubtjs mbabk mbabk tbkbr uk jkgcd jkgcd kd nbkdr j a> :? gn y uk pbrj`tb pbrj`t b c≭ 7a (JGL 7:3-3.: 7:3-3.::.1) :.1)

A.- _rbmlnbksldkjnlbktd5 @, gdrrbspdkmb j `j `uz `larb5   Wlnp`bnbktb jpdyjmd5 c > @/:8   Rk bxtrbnd gdktlkõd5 c > @/:3.2   

Jnads bxtrbnds c > @/1: Bk vd`jmlzds5 c >gdktlkuds5 @/3

 

 G.- Qbhubrzd nîklnd 5 > ? ?.??77am .??77am M.-

Qbhubrzd pdr tbnpbrjturj y gdktrjggl÷k mb hrjiuj pjrj `j `dsj5 -> ?.??:3a - B` rbhubrzd sb gd`dgj pbrpbkmlgu`jr pbrpbkmlgu`jr j rbhubrzd prlkglpj` bk `j pjrtb supbrldr mb `j `dsj. - B` bspjgljnlbktd bspjgljnlbktd m mbab bab sbr5 sbr5 2 d =2 gn ↑ b` qub qub sb sbjj nbkdr nbkdr. B.-

Qbguarlnlbktd nîklnd5 r > 1 gn.

H.-

_dr `d nbkds ukj vjrl``j mb rbhubrzd pdsltlvd mbab sbr gd`dgjmd j `d `jrid mb tdmj `j vliubtj y mbab sbr jkg`jmd bk `ds bxtrbnds qub gdrrbspdkmbk j `js vlijs mb jpdyd d nurds mb gdkgrbtd. I.-

Wl j` vbrlhlgjr j `j hubrzj mb gdrtb hj``j `j `dsj kbrvjmj sb mbab bhbgtujr5   - Junbktjr b` jkgcd mb `j vliubtjs bk `ds jpdyds.   - Junbktjr `j j`turj mb `j `dsj tdtj`.

 

 C.- @js vbrlhlgjgldkbs sb bhbgtõjk gdk rbspbgtd j `js vliubtjs qub bstrugturj`nbktb sdk vlijs5      

  L.E.-

> ?.? ?.?:8 :8 am am66 sl slbk bkmd md m>c m>c - (1 (1gn gn + :/1 :/1∂) > ?.??77am Bshubrzd mb gdrtb qub jasdrab b` gdkgrbtd5 > :.:x?.27 am

B` gdrtb mb` rbhubrzd kbijtlvd (-) sb bhbgtõj sbiõk `ds grltbrlds mb gdrtb.

B` mbtj``jmd mb `j gd`dgjgl÷k mb `ds rbhubrzds sb vjk j ndstrjr bk b` mlsbúd mb `j `dsj j`librjmj.

 

@js `dsjs njglzjs, gdnd yj sb cj lkmlgjmd, sdk mlsbújmjs gdnd vlijs mb jkgcd ukltjrld. Bstb tlpd mb bstrugturjs kd sdk gdkvbklbktbs sl sb trjtj mb sj`vjr `ugbs irjkmbs, pubs rbsu`tjk nuy  pbsjmjs y jktlbgdk÷nlgjs. ]lbkbk ]lbkbk pdgj rlilmbz y vlarjk mbnjsljmd. Mbalmd j su pdgd pbrj`tb, rbqulbrbk nugcd rbhubrzd `dkiltumlkj` y sl ìstb sb lkgrbnbktj pjrj mlsnlkulr `j gjktlmjm mb jgbrd b lkgrbnbktjr su rlilmbz, b` pbsd prdpld junbktj gdkslmbrja`bnbktb. @js `dsjs kbrvjmjs pbrnltbk sj`vjr `j sltujgl÷k jktbrldr. Bstêk gdkstltulmjs pdr ukj sbrlb mb pbqubújs vlijs ], ], ``jnjmjs kbrvjmurjs d vliubtjs, uklmjs j trjvìs mb ukj `dsj mb liuj` bspbsdr qub b` j`j mb `j vlij. Bk `j hliurj