Testing machine capability doubled by special loading, ENR, Vol. 111 (1933), p. 248, Reprint No. 22(33-6)

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1 Lehigh University Lehigh Preserve Fritz Labratry Reprts Civil and Envirnmental Engineering 1933 Testing machine capability dubled by special lading, ENR, Vl. 111 (1933), p. 248, Reprint N. 22(33-6) I. Lyse Fllw this and additinal wrks at: hp://preserve.lehigh.edu/engr-civil-envirnmental-fritz-labreprts Recmmended Citatin Lyse, I., "Testing machine capability dubled by special lading, ENR, Vl. 111 (1933), p. 248, Reprint N. 22(33-6)" (1933). Fritz Labratry Reprts. Paper hp://preserve.lehigh.edu/engr-civil-envirnmental-fritz-lab-reprts/1159 This Technical Reprt is brught t yu fr free and pen access by the Civil and Envirnmental Engineering at Lehigh Preserve. It has been accepted fr inclusin in Fritz Labratry Reprts by an authrized administratr f Lehigh Preserve. Fr mre infrmatin, please cntact preserve@lehigh.edu.

2 ~ t:: /&2.31/., DOU13LmG THE OAPA.OITY Of AN SOO,OOO-LE.'fESTDiG MACHIllf.E by Il1geLyse* _""!I't During the last tew years the Fritz Enginee:rin8,La~;Qra~ try f Lehigh University has frequently been requeste;dt-tets1f~.. specimens whie.};). exceeded. the capacity f' the BOO"ODO-Ib. mach... ine. A.recent ib.vesti~tin.t reinfre-e d brickel~s made i tne,e s~qry t find samewa:y t applylqa.ds f mr~. then 600, ~!~(2) lb.,. a.nds. device was d~.signed t' lu.ble the e.mpression(hap'q0~t!y f' the machine. A lever $""j"steel wrking OR tj.a~ nut-er'a~ker pri.:f!1!rciple,by which the lad n the..ve.gtspeeimgm istwice the. lad n the ta'ble ef the testing machine., WIaS built trft tw 50-in. :Be thi'$hem I-beams 30 ft..lng".which had be&n pureh:$:;se.d. $(~r$.fer&l y@lars ber,refr th-er purpses. A tensin me:pjil:herhlds ne end f the levers at.s. fixed 'distance a.part and the mvem~nt head f the machine brings t]9.~ Qi' the ther ends f' the leverstqge1ij;1~,r, the test spec1m~b btei.;qg placed half way between thetej!sin p.!:ej:'e and the head f the testing rna,chine. A sket'ch f the lever Sys'-' tem 1s shwn in Fig. 1. nll~:r bearings are prvided i.n bth directins at the tgj) f the test el~sand in ne. dire,c,t.:lq$ a:t tihe bm. T:hte t$li!si,:n, ~em:ber C9rJ;Sl.sts. ft;xl;e.. t:tr~...~langes. f a Bethlehem' :YO-in. beam :rrrnwhicn the web!ms [i~en" c11it. rder t gi.'ve.sufficientr(:)s1 stap.'c;$. ~es.k~a.rings tras;ses" beam. sectina used as levers had t bereinfgrced with extra plaibesweldad t l the' web. place in the machine is s~wn in Fig. 2. the. A phtgraj?hfthe lading rig in hi. * Research Assistant Prfessr f Engineeriag h[aterials Lehigh Universit,y,. Bethlehem, PelUlsylvania

3 In rder tecall'brate this lading riga. steel :pipe 9 iit. in d1ametepand 7!8-in.. wall tl11.ckneas.w(a:s :b.$i"tq'wed frm: 'the B.ethletb~in$te.el C0I(lpany;..;. ThiS pipe was :pla.eecl in the l'a.ding~lg,; l >t1u:l if1})p;pli.ecr.,. artd detdrmati,n :r.e.~d il'.lgs.taken. an :f's,u.r. 5(J)-r:J:n,. gage 1:i11l@.',s!hy'm :~s~:r1/10.,ooo...1n;. 'lunes dials. :m:t:h. 'J.he pfp:e 'a.nd,th$lti)'adj,~g.:.ri;~ W~1".e~neri. Te~eved :frm the., maqh1n~,. 'I'h'e pipe was' tj}i~;vl.pa.a~$:ddij:1',t;) tlyj.iathe 800,OOO-lb. ma.cni]le1.:,l(;)'a;d again 8.]JplieGi,. amfae:rej'?ril:atj,n :t"eadings t.'alcen,. ~e. lo'(il..c1l...d:e:rrm:at1n. cu.rve:s ':f'$,j:/' b~th.illefth~ds't te:sts ar~ giv~l1 :tnt Fig.. '3:. It i.ante;~lth~t J3it:l\'aight. l1.ne l~~fq:r.matl~t;}.etj.rve,s were6lutaxned by i bthm,e~tl1tpds\.. 'fllemult11'11cat,in rat,10 betvreel11 tll'e.10ad inth<:l t 'sting~ij'h:tj;fe &Fla thatappl.i~,ti by.the rig ils fur.el' t be 2.,02 and is e,g!lstan~ within therang~ 0t the ali'" bratin.. Them~ti])li,e l.1ii~n,f,~~t.j? ~:tme~d at wa.s 2,~,OOj' Byme:al!I's,e.f tn.1s l.e:a:d'ingrl~ th~,ap,a. i ty fi),:f' the machi.~~ la:as been in:e~e:a:$ed 1;@ l'i~:e:t}(;)0c1). J.:.fJ,.,,:l.Jil e,gm]llfe;s.slqnf~,th~ e'0s"~ JD't thls rig"'asv(fityjtq..--~sall \eqnst,ru,e;ti,~n 'We.rk was!l0:ae by the +:a.b:.(i)rat~yst.aff,1tj WhEf prese,nt s~rt...up :i.s \enve.:nient fr the,t~$i~ti~1)':f~e~t:l.onsloftf~,l:;mg!i t~'.f.'-,' ~ -,..,' ~. -, -. ;, - '.. : ~1 ~l$lj.g:~ng'6ilthe,r supprt " h th:etep l: lver at any des;ire.d hel~t Qt' t,ne t:enslnseetilt, test,s ~lif? 'S,J!Ji l.r't'e:i?.s;f>;eelmen~ mayt7 as, :':4yb>emade,. r:rhe sa:me type Of.. ~, -.- -: "'-_.

4 I: : ;: ::.: 1J II I II II I Jl 1 \WIr=L=1_.. '- ---.' ~f f-- b 3'-0" 3'-0" -' tv (\I c E :l d, - ~,~ I 1-1 ~ l.s ~ ~ OE r-- ~., ~ Ln Lwer Lever Ar-m '---, -- F, ~ Weighing TbIe f 800,000 Lb, IFe "6't".~ <::t:~:d: ':<)'.A'~ 'C';c::;>_~ I "~'I' Tes+i09 Machine I'.Q-~ ;e:r:,)?l,. '. '::6~~,~:.<7:~...'"'..'.,.. \,< LB. CAPACITY "..., '''OT CRACKER" FOR TeSTING BRICK COLUMNS ENO "'EW BU'LT FEe. \933 AT THE FRITZ, ENGINEER""<=' LAeOR.AT~"( - LeH IGH UNIVE.f'S'T'( -~

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History of five million pound testing machine, July 1984

History of five million pound testing machine, July 1984 Lehigh University Lehigh Preserve Fritz Labratry Reprts Civil and Envirnmental Engineering 1984 Histry f five millin pund testing machine, July 1984 Rger G. Slutter Fllw this and additinal wrks at: http://preserve.lehigh.edu/engr-civil-envirnmental-fritz-labreprts