:32:3:332:3}; 31:23 f' 5 (Kg; v‘k‘r'uta . b m 0‘ m s» a?" .f "' £315 4"?! .5. \J’ ...-_- é mmm n.. W..." .1. ...‘. .lw- 4.. Urn all It. Effect. HOW. A Tho-h sun-1m to n. Faulty d ummm STEM CWGE at maximum AND APPLIED BGIENCE by R. I. ashlar candies!» for tho Baa-u 01' Mela-ct Sm Jm 1w I EDICA'IE THIS EESIS TO MY FACUTER AND HUBER 303:;‘3.5) iii; 13;: I 2:51:70 L317}?! 1... \ FPOF. C. L. {9.2.3333 A3513 JELZST. HEW. L. A. WEE—"i? '..J;.?».'T :2 SE HELP” IS THEIS 33571111? 3101‘ YA 7"} ”gm-i P053133" 1. .nnv- CQITEHTS Pas. mm ODUCTI (3J- SPECIFIC;.TIQE:SOOOOOOOOCOOCOOOOO...I0.0000000COOOOOOOOOOOOOOOOOIO 1 List of specification. followd 1n the work performed for this thesis LmI‘ODS 0F mmWEOOOIOOOOOOOOQIOCOOOOO0.00000COOOIOOOOOOOOOOO z Parfmo of laboratory tests and propara‘bion of apo- 01mm Norml Consistency Tonaim Compression Percentages of urea used in each specimen tested Curing period- FESLm................QuCOCCOOOOOO0....-..O...‘....C........... ? Tabulatod results obtafimed in all the tests performed CLq'EVESIOOOCOOOCO000......OOOOOOQOOOOOIOOOOOOOOOOIOOOOOOOOOCOOOOO 13 Compressive strength-urea oonton'l’. Comparison curve Campy-«3170 strum-curing period cum ru- 1. - 2.57% - 5% urea concentration Tamil. strength-ma content Comparison our-re Tmailo stress-wanting period curve for 07' - 2.5% - 575 urea concentration comchIa‘ISooouooloooooto...oooooococooocoo-0.000000000000000... I, WC mm.u~mm mflflmm-W. Adana-Mazumnmhfl-wghnmt Wyrwwnfi’c‘bm. oath-aim, mutt-h. at...“ mm—mw.u&opm-uungmcmua Mmtunuum.w:nv.mammla “It. , . ‘hmfalld me..mm1¢m.wmmuuum_ hath-fund‘hfioamm-Wfiudm'm- murmm;wmmuumrmudw MutuMdWIMwfiu-o ‘MMflnmmmmgntmlde- Mu,1~uum~hwcwwmm WWWummufi sumo-Ilium”! mun/oummxmmmnmummu mummuuuuwmmmzm thWiufluthhMmflntfl-flpd rm. SPECIFICATIWS I-MNMhm-thuuhmm l—flxwhlcatctbmmuilskfltcflu mulb- y'mwmmda-mmummaoammm mmmmrmnMwum Irma-mummmuwu 1.8.2.5Wflmc100-m «mmmnmumwhmwm.mum s-nrummmmluuunmmwwt. bmwhdthIMWa Imam-mmumumunumnufi muaunm.r.uuamoozumy. MWWflthMfi-“mm hamumm r-n-ctm.ivm.4mm. a-muuutcmmummuacmnm “wan.s.c.amww.muum ‘h‘imfl'im. uranium“ Form mamma- l'u' Wu Gina's Mmulw 50.0% “I. 0”. Spool mmmwm lo-Wduhmumufiqmmdfiomm. MODS C PROCEDURE KUWAI- CONSIB'ENCY nmummmmdmcuuwn-h— MWQW.onlcmmmtmu-m.uflumt uu-u}uaWI-ya.a;r.n.macaw-unnatu- mumudcltuuhtsdufl‘mmohholuumufinm. momuhudatwugumlmhdmndm mum-amalu.(o.sou.)um. museums». m1. 13th. a. and for Rural Cutouts-nay Tort. ' Ituummcammuudmzwmm thopluccu-Vimtuodhwwmhlummfmdm mmawfi. ' nmuurmthu£fit.‘soomad§mmmim u«.mm.wmmmmmmwmm- ’fa‘tptmotmc. mrmmmmnn-rmncmvw Ran-£2. W’MHCU 5mm. 'mwu.do~tafimwmumcumn attaining”! rutmcmugnmucmm;mmmm W.ronuwauwmmmn.mmnw ummmwmmuuamm.mud sou» , much. 9.11m stops thohmaanuhuotutduu mam.mcuduuum1muaomtctmmw tmdthomc.m1¢tothom1nfiyomtmwmg Mnflmuththohmd- torn/2m. luthomhqdwutouhnvfihthohm.mmm them-about‘ingnwhkothohnoutm fro-mm“ Weather. _ nth-tanningmflonmoommucwhm unwounrumintmpuiormm,waathomo amt» 1m..- and c’mhmmaurar mummy: magma-rm, (Ringh’ot W Inflow-dwelt! base 7a.. top 6 1." human.) ’ . I ' F111 tho ring widely with the putt. am. the mo" put. at tho lax-3w and by a single mart eith- hul. P15“ thoringflfi thupurtonughuph‘bmkmmucputaatamllormdbyduh oblique more of tho trawl hold at a slight angle with the top of tho ring. Smooth tho top, 1! mum, with a tow fight touches of the ”Malondorthotrowol.bommksurtaoo. ToflWmlehfioVinttppu-mgniflnzwwofl thwldmdflnubdnzhfmflurMofthth.Bam thoplmzcuolmmdmuh‘oolyuthomJo-mdthntflzmm not rib-dim. Place 1:15. unpl- mda- as. W. m m: .4 ohmuhdmhmmplusahtomtutfltbfioawfmdfio Mo. Balm. the plunger man no. madam tho allot-ta! "tun-t. noun-to b of normal omistmoym the plunger ”1:11.. 19 m.1n303u. Iftha firuttrhltlouno't unmask-“10-.” ”mum, upon! test am who» a: cum mum utters-t (3. mm of thing water. Rem until the dashed con-intone: 1' wot.“ nu; Want tho port-mm of skim “tr for them tmmmmMum. ‘G bfimmpMapdmu-tcmdlmd «flamdmomm,mamna¢-m awash-ax. m.~m.nom1mwu~ mtothummu-«umuotmmomnm‘ natural-fink. ' TENSIQI SPNINENS In ardu- tuuo tau-1m ups-dam mqutt. Islam out. Thorlnlda Ier first cleaned I13h;gnitrt truth and I pioifiwof'cloih tad than var all m. Glan- platu W031” and to oupport the mold. during 'the first 24 hour. of the twin: "bdrm 31m plot- mu 9.190011“. ThomtcriuluodtomhtbntmimeI-W aminztoupuinoatim. , Mmungumommomc,mutmmmnfi mmmungmmm Watkins “monogram-ant!» cement hammod.halfdfiumtofm£mddu. Than-to mmiudforuhoutsflotomimrhudflmmrutofflumm mmmmmlommMmormox/kmm ”Ina-admobtmnthnuflndmommto and filled with the «north m. a» nun- t‘lnd M1 and r..- mom applied to m mm min; tho om.mo upon“ mmmumm..um«wmm.mwmu mu» mineral-Goth“ off. At than in. an oiled 31a” plot. no plan“ a to, d in no“. tho and tum“ our and the «m 51». pm. mu; rum-um su- uppnodtothh othu- Mouthomomummmm m to 1111 the caution. Tho Uta-face of the him“ In: W u: my: 5 0.0% ~ 0.17: - 0.2.4. - 0.3x - 0.4% - 0.51 - 1.0% - 1.5; - 2.0% - 2.5;: - 3.0% - 3.5% , 4.0% - 4.5;! - 5.0% - 10.07: - 20.0% Tut-mommacpooinmmodV-M-ZB-GOM. Upboflmutnfloaofmom.ummtm mad. be: than on Adm mat to: and. Tonto a 0.3% spun-n- uh.- oa that thoro :- m m or any dingo». m no two gain... an tothionlWWthtohmMmdodmm in": 1b!- OwO 0.1 0.3 0.4 0.5 1.0 woo 7820 A”. 4540 ‘ 492: 5820 0". 8690 7245 6675 Alt. 6184 6665 6370 Ave. 5145 5575 5875 6445 8180 7w 117.. 9020 9480 Avo; CKB$EBSSIIR TESTS RESUUEB 1900 1883 1635 1855 2270 ”40913:. 14 am 8810 8435 7955 A”. 2100 6900 5900 6055 Mo. 1555 7945 8775 A". 3130 6327 ‘4”? 5050 kit. 1488 9160 7500 8800' A". 8122 10985 11030 11625 AVG. 2800 10700 11155 9880 Ave. 2586 38W. 9155 9632 8813 A". 3300 8995 7840 8530 .A'.‘ 2111 11930 10270 8710 no. 8775 10600 9280 0455 AVI.2445 11958 9630 10180 ”0. 846 11660 10220 10495 Ave. 2690 10465 12265 10775 57.. 2792 60 Inn 13810 13235 9114 A". 3375 9375 9755 11375 Ave. 8543 10655 15520 8535 0". 3897 7640 10000 .100 AVG. 3383 12150 13875 13850 III. 3883 15100 14190 13480 A“. ”1‘ 16105 11910 ”'0 306° flaw. 1.5 2.0 3.0 3.5 4.0 4.5 7m- 8420 AVG. 8600 8900 A70 0 9100 10651 AV 0 o 9223 8791 10186 AV. 0 8517 8843 9376 A". 8765 8195 6326 An. 8748 8530 8583 £30. 2150 2225 2380 2350 2228 2120 2150 14 am 10155 9150 Ava. 9600 9225 10575 A". 10815 9532 11394 A". 9545 11400 10565 AVG. 9215 10100 8887 M.- 9410 9325 10569 AID. 10000 9873 10128 Art. 2360 2450 2650 2600 2350 2442 2500 384838 11420 8175 10900 AVG. 2790 11530 11050 10710 A'.. 2824 12545 11410 12690 0.7.. 3054 12520 14220 10725 0-". 3443 11755 12710 11810 A'.O 3023 10280 10770 9400 AVG. 2533 11325 11020 10315 Ava. 2755 60 days 13940 13350 13110 Ave. 14310 14535 14580 AID. 16500 15130 18110 3.". 16500 13120 14925 A700 14600 15735 10085 0". 13920 17000 14230 13145 14310 A”. 3370 3650 4150 3560 ' 3700 3690 3400 1 iron, 7 4-3. 5.0 10.0 20.0 7819 7403 8058 Eve. 1940 8230 8167 8804 53.1 2100 6425 . 5762 5814 kvu. 1500 14’dnyu 8220 8130 8250 Ave. 2050 8810 8505 9625 57.. 2245 7327 6152 6321 3". 1650 28 day. 8060 11120 9080 Av. 2355 10775 9760 12805 3". 2948 7510 9500 Av.» 2130 60 day. 12270 14455 11520 AVG. 3190 14260 13160 15015 AVG. 3950 12475 13125 12740 07.. 3190 Ziuron 0.0“; 0.1 0.2 0.3 0.4 0.5 1.0 10 TENS 0N TESTS RESULflS Ar.. 0 7 any. 268 258 263 A... 263 291 298 284 AVG. 291 296 305 330 A!.. 310 208 220 179 ‘70. 202 279 292 255 A70. 275 288 272 310 A“. 290 315 327 288 A707. 3 10 Rupturox 1 .q. in 14 day. 315 341 352 AVG. 343 342 425 A". 359 391 370 8-7.. 250 245 255 878. 303 353 340 2“. . 349 340 377 A70. 405 305 388 870. 336 370 373 260 332 355 366 28 any. 375 385 410 AVG . 306 280 395 A" . 413 360 405 487.. 323 351 324 A". 358 388 A". 432 354 386 A" . 395 375 429 A" . 390 327 393 333 350 391 60 day. 451 357 380 487.. 450 455 405 Av.. 435 452 399 428 87.. 429 343 380 315 A". 1". 432 432 8". 418 Av.. 346 432 435 1w.- 1.5 2.0 2.5 3.0 3.5 4.0 4.5 7.70 185 153 A”. 258 A". 24? 273 286 An. 235 253 ' 282 8". 245 257 ' 285 A". 275 325 " 302 A70. 267 260 ‘7'. 175 259 268 240 262 300 270 1460' 205 AVG. 338 359 822 1'0. 37‘! 350 A". 331 315 ‘ 325 A". 322 315 356 8.". 338 35? 370 AVG. 350 316 ‘ 355 Ave. 205 324 331 355 340 2840! 290 206 257 A". 275 395 421 Ava. 40'! 411 632 A". ‘29 355 815 A". 355 A“. 389 A”. 377 385 390 355 AVG. 377 60 (by. 283 275 512 AVCQ 290 A". ‘44 416' An. ‘11 445 460 420 1'. o “2 380 460 435 An. 425 410 Inn. 418 X urea 5.0 20.0 7 GII. 263 315 284 A". 287 263 260 242 AVG. 255 198 235 234 Ave. 222 12 14 days 425 AV‘. 302 316 340 Ave. 290 298 Ave. 468 319 28 day- 473 530 523 AYO. 390 350 340 Ave. 342 355 350 kaO 509 363 349 60 day: 587 550 575 AV.. 571 457 417 439 AV.. 45‘ 59 410 395 A70. 421 w r . 3&{8 fig EQBQK vllltlnloLoltx. its. §—---. 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V . . V . . I V V . . . . . I . . V V VVI I V . w . I V V I . . V“ V I V o v p . . ”NIH . aVkL I .I.-.V V. 4L VII V V . . .v .V». . V «IV. V _ _ V _ _ V V . V . V _ _ V n V V V V V . V V V V V _ V V . I I r V r LI > L V .L VI » r p O III. I. I V V V V V V V. _ . V . V4 V V _ V . . _ _ I... V . p _ V . V . V w V _ _ _ V V V V V... V... ..V V. w V... ..V. V. . V. ....I V a M ...V. ..w. ..fl. .... V _.. ...VFV .»5. h +. ...VV ...I. V... ...V _ . _ V V A V V . _ V . _ . V . _ _ _ b . H V _ V _ W V V n . . . o . I . o . . . . V . V I . o . V . . . V . V V I I o o .LrIV . . . h V _ V . I o . I o a V . . v,» 9 . o . «VIE—V » * I h —4_ Ir IL; + I a I o o . I I I I O . o . . V . V . . V V . . _ _ . _ v V. . . V . V V . . . I . . V. . . V . . V V V V V V . . . . . 1'1. I 'III'VIIIQIV I. r .V V . .lV. I V . . I V V V V V I . I ._. I” .V. LV. . I w I V . V . . . I IV V V V I} V . A V . V _ . V wl Jf‘l Aru- _ V L V V . V w I . o . . . . . . . . I . I V. . . . I I I . I . V . V I . . . . . . V . . I . . . V . V . I I . V . V V . V . VV. tulllll'. "' I . V V I . V V . I V A V I I V . . LI. ’1'. V . V V V V iv! _ V M J . V _ _ . V V _ V . V 9 . . . V . I . V . . I I . V I . . V . V V V V . . u I . V V . . . . V. V . . . . u . . V I . . o I . h V . . Vol. IV q . I V .V. . . o .I. . o . . o . V V. . IV V V V . V V V. _ _ V V V _ V V _ _ V. a _ V _ V V _ V _ V n . _ V V . V u _ _ _ V V H V V . _ . V V _ ...I V. V u..V . V .V ..V. . V . .V... ...V ... .oI. ..._ .V. ...I V... ov‘. IVV'I ..V. o”.v ‘o... V. V .. LE. .. k V I. .I4.VI _ _ V . V _ V _ _ V . V V V V V V V V h V . V . _ . V V . . V . I V . . . V V V V V I . V . V I V .V I . . o . . o . V . . V V V . . V V V . I a . V V V . V0 . V v o I V I V V V V V w . » ¢ L ¢ o o u I or“ u . . . IV. . V v I .. AI- I V V V V . V V V V . . V V I I . I . . . V . . V. . . . . V . . . V . . I I V I I V . I o . . V V I V I . V V V V V V V .VVIVVI . V V I I . . . . I o h o . V o . V V . I I _ . V V V I . V I V I . o o . LI. IV -..VVVLII II . . 50% V _ V I V. . . . o . I . . . V . . V p I . I . I I V . . V V V . VIIV. . V V . I . c . I . . . 4|. I o . o . I V o v o F . ¢ 0 o v . . I. I o I . . . I . VI. . p . o c o p . cI _ . V _ _ _ _ .V. .u .. .. V ..VV.V...V...VV. .VVVVVV...V.. .VVVV. Vb.” V.....V _ V .V V V V V _ V V V V V _ V _ . V V V . I V V . V V . V . V V V . . . V . . V V V V V V . . 5 V V . I . V V V V M I V . I I . 4 . I . . I ..o V o I Vv . V . I . . . V V IV . V I I ..h . V . I I V V . _ V V V V V V _ V V V . . . . V V V . V . . . . V . V . . . V . . . V V . . . V V V . V . . V V . V V . . V V I V V V V. I h . V V . . . . . I . V . . V V . . V. . . . . . . . - .-VVVV-.. ii. Li! II: [V1, .1 .V-....VII-V 7 V V . . . . . V . . V . . V . . V . . . . . . V . . . . . I V V V . . . . . . V . . I . . I V . . V V V . V I . . I _ V V V . . . . . V . V V V V . V . . . . . V . . V V . . . . V . . V . V V V V . . IV. V V . . V . V I V . V I . V . . VV . . . . . VV. . . . V _ V _ N V V _ V _ V V V V _ V V V _ W . V V V V . . . V . V . . V V . . . . V . . V V . . V V V . I I I V V . . V V . . . . . I V .V I . V . V V V . V V N _ V V V. I --IVVViii: V IIVIVVV- VVVVII . 3.1V . ..I.IIV..V V :1. -V . V . V o 1 O n — ¢ v u . I I . - I s . t I C a O ’ u . . . . a g I I v v i n I - I . - - v n - . _ . V . . . V _ V . . . V . . V. V . . . V . . . _ . I V V I . I I . . . . . . V . . . V . . . . . . . . . I V . _ V _ V _ . V V . . . . V . V V . . . V V V V . V . . V . V . . . . V . . . . . . _ n V . I- II .IVVA III; IIIYI VIIIQI'III I t [VI .1 I I I p I IlIV.I.IVI.l.IIVLVrV VIIIV I‘VIIII III! VIIAYI+IIIIVII I.. I III. I I VIII'IIIO 4-1“! I {Ill 5 _ . V . . . . V . . V V . V . c . V V V I . . V . . . V . . . . V V I V _ _ V V .V _ _ _ H V — h . _ p . p I . ¢ v u ' ’ v I I u . v . V I u o n I V _ V V . _ . . V _ m I V . V . V . . . . . . _ . V . . . . . _ . V . w . V _ VIIIIIIVIVIIVIV . .. V TllIVIIIAIVIVIEVVI VIIIIII‘IIV V.II|.IIIVVIJIII| .V VVIIIVIIIIIVrIVIIIV VIII V. 1 II. V 4&8 V V . V V _ V V b . . V V V . V V . . V . . . . . . . V I V . . V . V V . . V . V . . . H _ _ . V _ . _ . V . . . . . V V . . V . I . V I . fl . . . . . V I . I . _ _ V V V V . F VIIII I V II¢VV I. v.. V. IIIIIIIIIII Illro'cl. IIIIIIVLIIIJIIlVIIoIII.VI llIVIIIIA L LI .' .III. 0 VIIVVI #IIVIIIIIIVI VI I'IIIIIV I III III: L‘llVl Iltl‘lV 3 V . V V . V V V . V V V VV V I . . . . . . V I _ V V V I . . V . V V . . . . V u . . V . . V . . I V V . V . V . . IV. V . . . V . . V V . . . . . . . V . . _ . . H . . . I . . . V . _ V V _ Vlo IIIIIII.IYIIIIVII|I|VIIIV~II VI A _ V V II IrVVVIIIV "I IVVIIVVIVII IVV. VI. VVI.III II} IIIII I .11.! PI IOIIIIIIIVVIQI‘IIIIILIIIIIIIJIIII4I. IIIIL? .A‘ ‘I'In‘llnlllll 6% V V V . .V V .......V V V V. V....... FV._.. V. VV. . . . _ _ V V V . _ V V . V _ _ _ _ . . . V V . V IIVIVIIIIIIV VII (olt.IIIlII||q|.olI§|I II‘ III! II V ‘IIIIVVVVIIV IlcVL. VVVVTIIIIIIIV IIVIIIVIIII'II [lulllu VQVlVIVoIIIII II II: VI II‘IIIIQ‘I IIIIVIVIVI§ llll V. V—IIII VIV if .V . IIII IIIIVVV. V. lVl I‘IIVIIQI IIIIC IW IVIVVVXII V~|VV¢ i l .IIII I II “IIIIIIIVIII .IIvI I IIVIVVIIIV III I I. V V . . . . . V V . V V . . m V . V n . . . V . I . . V . h . . V V . V . . . . V . V" . . fl . . _ . V V . V _ fi . V. V . V V . V _ . . V ‘ V .V . . . V V _ . V . . V V V . . V V . . V . V . . ~ n . . . . . . . _ . V V . V . m V V . . V V V . . . V V _ u _ . . . . . .V . w . . V . w . n V V . . I . # _ . . . V . a V .. _ m V H I . . . . . V w . . . . . V V V n . V d . . .V .. . w p. » Ill. .IIIIIIII-IIIIKIIIIIIHVIIE‘IV L (I. IIYI’II'IIII» III! [‘II-fl.lt|'llll|l..ul»lll'l‘lt. I'll ilk-II. II I V. II I I . I 4 V. 1| a. C. r. LL a, V.V r. a .I. V: II C 9 8 HI r. F. 4 .V V. 2 c. I II II I. II I. 1 ‘l 1 792/ N/ 99.7819 hi 3 )\\ N\<\k b>\\§\~.v . On. a M‘ Wm. QR sm. 0 7 g D g I! g I! V‘s-d M ecyazc ' 402. I? C(X-ICIJJSICNS n- rosultl obtain“! in this thesis are not a mountain. on I oxpoflod than to to. By undying tho compression and tonoion curve. it an be notio- odthat oroflcotinorouoordm bohonthomlto 0W hummus. and in to outbotthoro bob-ya on WOIJI‘HNIO— alto obtained in tho tandem torn. tho mo chunk! m in tho ro- oulto W tron oquol opal-lam tutu! on Woim. mo of tho «plantain- I can find to that being iho mo on organ“ have it of- :mmuzmamtmwmmmmuuotm. mouthiotnd,whuihoomoumkinshnmmuuflmpu~ tioloo of land olido mo thu thoy 40 the» mod by oil-91o out no“. not flouting no mch groom: no thoy would whom no bad "alto mo obtainod. in mots», using 5% mo but unnu- opooim we romlto love- than nonol then w in oeu- prouioa. In companion. 8.5% urea opooinon gm tho boot fault. and htmimitoluohmdmoofotrmgthhutndumohutho 5% uroo. spam. By hold.- in Judging a and Yoko to tho rooulto ohtoinod in tho no uroo opus-on» To iota-nun tho naval nluoo, my spodnono woo-o mo in order to obtain ooooptohlo soc-go valuoo. Anal-ding to w dotormmtiano and chatter». 1f 1% no 40-- oirod to m uroo mod with conaroto, tho marten to be mod should hamszmchwud odd nor. throngthto tho ammo. But I cannot my tmmwmmmaheruopwuucmtmumm' nah run in order to obtain tho offeot of urea on the othor proportion Following 1. o my of my conclusion“ 18 1- 2.5% uroa «mantration increaseo the otrmgth of cmoroto in tension and compreooion. 2- Urn - CO(NH2)2 - to my oolublo in water and it does not promo any extra work than mixing it. 3- Tho out of uroo is vory low. Using 2.5% concentration, on average out vwld bo $0.10 per sack of comm. Tho moi-mo in cost 1- m Ind! but it almo depends on tho percontago of mixing outer. In ' this can the coat is basod on 11% mixing orator. 4-,- Urea dam—Basso tho fricticm botwm the particles of sand and tho comm pasto. Thorn is o pooioibility of an muting layer of ufoo oriotala between tho surfaoo of tho and particloo and tho mart pasto. Mo layer of urea crio‘talo brooks whoa too much prooouro it up- pliod. This happen during comm-0.31011. In tension this offoot dooo not exist boomo the cum paoto taken all the loud. imiwh E .ll'... .1 f I. .D Frilbu‘ufk {oil-Ir“: .3...two+ltf.:.b_on .pwhhn. .. 3:. $.31:er