CVEN 444 Lecture Notes - 01

CVEN 444 Lecture Notes - 01 - CVEM 444 LEC-ruzg #1 i ‘\n...

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Unformatted text preview: CVEM 444 LEC-ruzg #1 i ‘\n 4- 22439 100 Sheets 7 [email protected] Wm sTIZUCWZAL 055mm - THE mwMEuTOF ELEMENTS: oz Foams so THAT THE EXPECTED LOAD$ 4:5 cAeszD SAFELY MD EwNOMIcALLY. OBJEcTwas Foe A sA'narac-roaev DE‘éléN A25 «' l. PROVIDE A S‘I’EUGTUEE To MEET FuncrmuA; egauazcmaurg, a. 235ch sreucwzu. ELEMENT: 0100 was To {>qu 'T'H'E'. Lei->05 soFEl-V. 3: $ATI$FY Emmrm emotesmsu‘rb. 055mm! 419$ THAT 425 ass—:12 TO MEET ‘r'HEsE obJEcTu/Eb: 1. KWng 0F Men—mums AUG MATEIacAL. Paopse-nes C M60“ Fonz 0/54 305 MO ave» 34-2. PZEEEQulslTE$> 2- KNOWN-506:5 or: SFZOcTUEO-L MALvsb c, cvsu 3+5 PBEBEQUlslTE) 2w cones, $PIECIFICAT10N5, AND sTAquzob C NEED To 051».th cow OF ml-blb-O‘5> — 5'9: l‘. FUNCTIONAL. REQU IREMEMTD - DEFINE THE PUZPoaS on: THE suave-rune, 2.65., OFFICE. gamma” Meet, 62190:. EA-LH TVF’IE 0F: smucruZE wm. HAVE. pm-ersu-r Lows, Lemmas, SrEE-NGTH- REQUIZEMgw'SJ Ago DEslcaN c.0055 MD SPEGIFIcA‘noua, 2. 5120:7025 AND LOAOIMQ — $ELECT' THE FUNcT'LOU-M. F'oams Fee. THE grace-meg sum A5 momma swans) 5pm.! Laue-ms) F1002 HEIoHTb, ET ‘ DETERMINE ‘n-ee- TYPE, MAMITQDE.’ Awe LOCATLOM OF THE 1.040%»! 71412: cucuuoss DETERMHJC. WHAT Fume AREAS cont-necequ To j WHICH msmeezs, 3. Lowwc. CoMDITIOM‘b - DETEEMLME lecH LOAD$ ALT“ N WHAT mama-nous To : DETERMINE THE NC)st 0655 FOE sea-o MEMEEZ mczoucu ' THE. Jars 0F L.vo FAGTOQS AND LOAD cpmamaraows, I «Io-rs: 1. IT May NQT' 56' Nsczassmo/ To APPLYALL- Lows N 029512 To GET Wozsr’ cases, 4. PRELIMINARY [75$le - EGTIMATE THE Mus/«455:9. 512.55 56659 ON THE EXAMIUATLOU’ OP LOADS AND FROM EKPEZ!!!)Qt-E- 5. AMMVSIs 1 ~ PEBFOEM A STEUCTUEAL “Ls/sis a: ma 51—206sz Compass; OF THE MEMbt-Ie 925s mo SUNELTED To THE— LOADle canon-nab _ DETEBMINED m 51-59 #5. - use CLAbschl. METHODS a: grew-mam. I: THE smuctuzé‘ ? ls SIMPLE oe compo-rare peocems moo son‘me Woes 1 (541:, £73.35, EISAJVISUALAAJALVbl$> 1: THE 5mm ls g QQMPLICATSD oz (Hearse/mama’s, i - comm-E 4,40 DEAU we AXIAL, gen-km, AND genome i MOMENT DIAGZAM) FOE ALL MEMGEZS. ,» Nansen: l. wmwyl THE. MLVOLS l5 PseFonEO uswg UNFACTOIZED (Ahab) MALYZML, EAGH 1.040 TYPE 1 asparamztm 2. F46sz Law EFFEoTs (AWALHSHEAE, M0MEUT$3 AND comawa moms Tb THE coca. (I. SELELTIOU OF MEMBEZ éELTlOva - 025mm 54;» mamaseroz THE woesr Fonz/smash COUDITLOUS (AXIAL, swim, MOMEUT', cousmzo) 59.360 on APPBopewns caps on? sPEchloornoU. 22-139 100 sheets @flmn “\._ ../ - coMPA-ZE MEMasz 512:5 TO THE NITw. ESTLMATES Mom: no 311594" 4- .4100 RIF—wan: mums/3:: AM: oz basic-nu Ab nzcsssAE-Y. 3'. seconmy (Bu-r Jus-r A$ Mporarwr) 1:55th trams "" COUUECa'n/OIU DE$K9NN REIMFOBCIUCD DETAILIUG, CZALK, COWL, Em. ' WHEZE : QL. = NOMINAL LOAD EFFECT (MM Woegwe Lam) 2n = NOMINAL. Rams-mugs. cg game-m 0,: THE MEMEE'Z oi?— Coupouem 2 QC z COMBINED LOADING THAT zasuur‘b w woes-r 55:54.? FAILURE OF A MEMBER 02 Component“ Oct—025 wHEId 2%:311, ‘I‘HEIZEFOZE 2620' Mus—r 25mm ezww 12A THzouanou-r 'T'HEJMTENDED LIFE OF' “THE SUZQCI'UIZE wHA-r anew—use; FAILURE ? oewousw, ‘T‘HE cOLLAerE o: A stech. \dg/ 22-139 100 sheets ? @AflfiP/filfl" ,. fl \I\#</ I—lowavseI LEss CATASTROPHIC. P—‘AILJJIZE- cw cape MT MAY DEFINE. ‘THrE'. LJMl'T' c>I= A MEI/teases USEFuLNessv DEsle copes ADD SPECLF‘ICATLOUS CALL- TI—Is-QE Lt-MITS “ LIMIT s-rA‘I'Es‘f ME — LOAD ole FOECE LEVEL. w A “wage or: ' COMPONEU‘Y AT WHIoI—I lT Becomes UNFI'T Foe ITS INTENDED Usa. 'T'WO TVPE$ CT LIMIT S'l'm‘t'Es2 I) ULTIMATE LIMIT STATE 2) 55WICEABll—ITY LIMIT snare, Hllnmmfi I H .T cum—E - INVOLVE. THE. Loss oF LOAD—meucs CAPACITY Auo MAY LEAD To THE COLLAPsE. 0F P421- on ALL OF- THE smucmeé" - TI-IIs LIMIT sun's bHOULD HAVE A. vzzv LOW PIzoaABILITY OF commute. swap: IT MAY LEAD 1:) A Loss o: LIFE AND MAJOR FINAMcIAL Lossfis. - WP": (a) Loss OF ECQULLIBIZLUM (swam—w) (b) Rap-m 22/ Fem-rune. (a) czusHIue or: corneas-ta (a) pzoezasswr; ME (e) pus-m. MELHANISM Poem-nag CF) CYCLIC LOADINLC? FAleUE \ul/ 100 sheets Cu 22-1 I .M , , ' “ule Mr]??? A i 5 {FM}; - 5540-5505405 RESULTS ud D'SIZUPT'IOU OF Pancrth use —- LITTLE DANGER OF LOSS OF LIFE |MPLIE$ A l—HGHEZ PBOEABLLJW OF occuIZZEMCE. cue BE TOLERATED, 9 784256! Ca) EXCE§$|VE asFuchLold F02. NOZAAAL. use - MALL-JINEE-Y MAL-FULJUT'IOMS - wsuu. cmmna -' DAMAéE oF no.4- :s'lfzucrueAL. ELEMENTS (lo) Exczsslve: cm «mo-n+5 - LEAKAGE 11-1200ch CW5 -— comesmlo OF REINFORCEMENT "' DEEP—1024100 OF concert: Cc.) waves moms. wean-nous CLA l 1K5 (a) DAMAGE oe. mumps w magmas. (b3 snug-rum spree-rs or: Free, amassed, oe'vsmcm COL—Listens. (c) stage-tum appears FZOM 002205.09 orz DETEZ¢oeAfiOO (d3 Lowe-Tam PHVSLCM— one curs-wom— wsmm‘rv. 22-139 100 sheets Cféfgiflé fl ” To PREVEUT FAILDZE oFA MEMBER.) Q MusT 5a zap-r BELON Z macaw-tow THE SERVICE L.an or THE SHZUCFLJEE, IN Moa‘l' ALL. c5555, THE smar- VALUES OF Q AND a ARE- wmuapu, AOTUAL. $125106ka (2) 0e LOAD EFFECTS (a) May pevm-ra FROM THE NOMINAL. OE EXPEGTEO VALUES: EXTREME. VALUEE: (=02 56TH Q MD a an accuse) Maya/512, “rt-155E Ex-reEME. occuz quH A DEGZEAsNG PROBABILITY AND CAN BE COHVBJIEMTLY REPREssoJTED A6 A Fleetsosuo/ F-‘uucrnows WITH NOIZMALJ- SELL—$HAPED DléTEIBUTLM$ madmaro N G) ,2 MAColOlTUOE THE wane-now: w THE VALUE: F02 <3 AND 12 A125. Due To: - UNAVOtDABLE. waaumzzs N THE. THeoraY 0 vyzmrnoufi m #4475214. 1620;756:155 we DlMEAJblOUS o UNCEETA-INJTIES IN THE DETEthMA'nOu OI: LOAD THE. vazmatu—rv coNscozrzED 01: [NW [N THE. SPECtFICATLONS oz c.0055 D056 M INCLUDE Tm: FOLLOUUIMQ EFFEOTE: c ~ 622056 1:22:32 Cosmo wzoue our-rs) " NEGLLQENGE ' 241:)qu CHb-Mbis w SI'ZQUTUEE 05: oz Lazy/do o PLANO OLD STUPIDITY/ 51g; m—mgg. 545:1)! j DEFINED A5 Tue. ALCEPT'ABL-Y 5m PROBABILVW 0F Q Exczaolhup 2 AND Ls INDICATIVE or: (so-r No-r EQUAL. To) THE onraLAPpwca zealous oF’TH-E Two DtsTIaaeu-nou Fchmow 1 ~ 4 SI 1‘ i 1 N i Pagan)ch % WE use. FACTOIZ‘s oF Wis—TY 02. Low AND ZestsTAUCE FAaTozs To Assuzfi. THE PIZOEABILITY OF FAle 15 NEcauolaLv SMALL— Auo TO PROVIDE. us oat-17H A meew GP 52202 so THAT Q44 (Z. W Two be.le WPES or: Of—‘Islold mew-r005 o2. PlesopHIEs HAVE. EVOLVE!) TO INSUEE THAT (:9. 4 I2. : I) woremwc, smazfsswu (W60) o/z ALLOUABLE § 5122.55 05am so) . — OLD METHOD 2.) Low mo zaas‘rAucz. mcroe 0551M: (we) "' #15052. METHOD 22-139 100 sheets @flPAU‘ MD w THE wso METHOD, FALTOZ$ o: so.me (as) 4.212 APPLIE-ID TO 1146 snag“) (311+ oz 125515116:ch 5105 OF THE 0551910 EQUA-rlou : 242‘; 5. 54.. F5. 1-73 " F-‘Acn'oz or: SAFETV AND Ls ALWAvs >- no EN Diwowz, 411—15 MEMBEZ Esslsr'mca 3V THER$., ‘T'HE I 055154052. a»: use owl—y A Poe-now OF’ THE MEMBEBS {magma-1‘54. ESTIMATED woeuLwQ NoMNAL. Loop 05 a I on $112 a;an EFF ear s‘nzz Nam-1 N N's]: (asp), THE 9951:»: EQUATLOAJ \3‘ 05041.01 owe“ w cum-s a: mass. THEEEFOI‘ZE) THE LOAD ELFF‘Ecr (ALLULA-‘TED IN 132.045 0:: FOZCE;F20M ‘THE gravcn’w AMALYSL$ as [3th059 By THE MEN/1652. sacrum onpsnflv AND COMPARED To 4A.) ALL-010W $12555. Lzr-‘D 1320va5 4 M025. EFFICJEIQT METHOD OF- 1355le SIM-ca IT ALI—ows THE 055L499 To a: 5655:: ow THE T205 MAXIMUM s-rzaMCDTz-t or A MBA/1532. oz COWOMEIJT. «rt-IE. GENEEAL LzFD DESIOIQ EQUATLOU? gbt‘Qb 5- ¢En , I WHERE. . = \ — T 626 Now/um. ma: :5pr [v MOSTLY {‘g = LOAD Fncrroz F02. cad C >1,o 271 625 = Tam, FACTOZED LOAD EFFECT on RE (31014259 zzslsTA-ucg ALéo éHowu As LL ; ,2“ = NOMlUé-L. Rastsrmce $5 " = 2533231966 FACJFOZ #02 Zn (4. Lo) (58“ = DEble) s’FZENe-m 1H5 L2H: 056m»: amuemolo can 81:: wzl-rr'raw A3 u. é. ¢Zn slums LL (2210;) HA5 uNuTa 0F LOAD, MAN 555 ‘FHE LLFD DEélbU EQUA‘UQQ A55 Mu .4.- 925/‘44, (MOMENT) 22-4 39 mo sheets ,y egg/Emma“ IO ,_ Cam) Vac 5' Siva (AXIAL. COMPEEéélOQ> NOMNLL LOAD EFFEU" DIFFEZEIUT LOAD FACTOZ$ ( AND zeataTch. mamas C¢’) A22 usED Basso cu THE LNHzrzaJr VAzmem-rv w EMF} Loco oz vau-r sum—5. Ab ‘THE vAmABIL'TV INCREASEle THE. LOAD WPE, 2“ IUULEA-‘bfib m VALUE . - As THE VAQmIBILIN mazexaszs IN THE umr'r s-m'rEJ ¢ piazza-$55 m VALUE; \4 J m: “I r- I .2~u'2(:‘:Ef-’?~. AC] 3135-05 onvnoas d Fan-r025 1:02 VABlOOb MEMBER. ‘I‘VPEs N éEcno/o q.5.Z 9.3.2 — Strength reduction factor ¢shall be as given in 9.3.2.1 through 9.3.2.7: ‘ 9.3.2.1 ~— Tension-controlled sections as defined in 10.3.4 ........................ .............. .. 0.90 -(See also 9.3.2.7) 9.3.2.2 — Compression-controlled sections, as defined in 10.3.3: (a) Members with spiral reinforcement conforming to 10.9.3 ........................................ .. 0.70 (b) Other reinforced members ...................... .. 0.65 »’ , For sections in which the net tensile strain in the extreme tension steel at nominal strength, at, is between the limits for compression-controlled and ten- sion-controlled sections, ¢shall be permitted to be lin- early increased from that for compression-controlled sections to 0.90 as 3, increases from the compression- controlled strain limit to 0.005. Alternatively, when Appendix B is used, for members - in which fy does not exceed 60,000 psi, with symmet- ric reinforcement, and with (d — d’)/h not less than 0.70, ¢ shall be permitted to be increased linearly to 0.90 as ¢Pn decreases from 0.1Ofc’Ag to zero. For other reinforced members, ¢ shall be permitted to be increased linearly to 0.90 as ¢Pn decreases from 0.10fc’Ag or ¢Pb, whichever is smaller, to zero. 9.3.2.3 — Shear and torsion ........................... .. 0.75 9.3.2.4 — Bearing on concrete (except for post-tensioned anchorage zones and strut-and-tie models) ................................. .. 0.65 ...
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This note was uploaded on 01/27/2011 for the course CVEN 444 taught by Professor Staff during the Spring '08 term at Texas A&M.

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CVEN 444 Lecture Notes - 01 - CVEM 444 LEC-ruzg #1 i ‘\n...

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