None
Cement- testing :. sundard tests. 407 fineness of grinding, 409 thoroughness of burning, 418 rale of setting, 410 tests for soundness, 417 the boiling test, 417 tenslle-slrengtb teats, 419 fixed relation between tensile and compressive strength, 419 standard consistency of briquettes, 420 standard sand to be used, 434 standard consistency of cemcnt-mor> tars, 439 formation of the briquettes, 480 BShme's hammer, 433 Telma^er's appantus, 488 form of the briquette, 483 standard American and English form, 488 standard German form, 484 form proposed by the anthor, 484 distribution of stritss over mtnU mum section, 486 moulds fur briquettes, 488 dips, tbetr bearings and mounttngi, 488 the author's deidgo, 440 tension-test machines, 440 standard German form, 441 Fairbanks' machine. 441 Rlehl^'s machine, 448 Olsen's machine, 444 Porter's machine, 440 late of applying the load, effect ot, 442 eccentric position in the clips, 446 nGoogIc 784 im Cem«Dt-teiUDg : compression tests of cement, 448 Swiss mncbiDe for making, 448 crosg-beodlDg teste, 448 adhesion tests of cement, 449 fona of ftdbesloa briquette, 4S0 TariatloLv (normal) oF volume In air and Id nnter, 451 FrencL Commission recommenda- tion, 45S permeability test, 4S3 decomposing action of aea-water, test for, 454 Cemeot'teatlng macblnes, 440 Centrepuncb, double- pointed, 853 CbalDs, atrengtb of wrougbt-lron, 4B9 Cbauges in tbe elastic limits by stressing beyond these limits, 533 Cbar 1, 248 Cbemical annlysie not adequate to explain mechsnlcnl quallLles of steel, 160-154 Cbemlcal composltioa of wood, 346 Chemlcnl constituents, limit lag values al- lowable in steel, 167 Cbemlcal teste of stone, 6S5 Cherry-trees of the U. 8., 385 Chestnut-trees of the U. S-, 285 Clndet'Concrete mixtures, strength and economy of, 637 Cinder- con Crete with metal baee, atrengtb of, 636 Clays : for Portland cement, 189 for paving- brick, 197 Cleavabilily of wood, 348 CI inker- cement, 187, 195 Clips for cement briquettes, 488 the author's design, 440 Coarse particles In cement hare no cement- ing quality, 409 Coffee trees of the U. Compression tests, 34 two classes of materials, 34 ou plastic materials, 34 on brittle materials, tbe laws of. 34 angle of rupture found, 35 relation of crushing slreng;th to shearing strength, 28 relation of strength to form of specimen, 89 relative strength of prisms and cubes, 81 effect of loading a portion of tbe surface, 83 test-specimens for, 85S bedding of specimens in the test- in g-mocbiue, 864 eccentric loading. 86 eSect of material added to one side of column, 36 compression testlng-mscbines, 85S compressomelera, 8S0 Olsen's. 855 Bach's, 855 the author's, 857 Telmajer'a, 809 teste of columns, 359 compressive strength of columns the snme as tbe "apparent elaatie limit." 860 ConaidSre's mounting for column tests, 861 Consid^re's results of column tesis. 36! Tetmajer's " " " ■■ SU-5 Dijiii.e,.,, Google Compression tests : ultimate strength formuls for col- unmi, 866 spring testtDg-macIiiQes, 867 compresston tests of cemeut, 446 SwUb mscbine for making, 448 on cast iron, 77, 47S on steel, 003-009 CompressiTe strength of cement-mortar a« related to its tensile Btrengtb, 419 Compreasometers, 850 Concrete («m atto Fortland cement and Natural cement); coDipressive strength and elastidty of, 608 economy of Tarious mixtures, 600 volumes " " " 608 Concrete and steel in combination, strength computed, 73; rel. expansion, 629 Concrete beams, mixtures and strength of, 608 Concrete mixture, alwolute volumes in, 633 Concrete structures In sea-water, 638 Conducliviiy, electrical, (able of, 731 Oonslalencf of cement morlars tn test bri- quettes, 420, 439 OonveDlions, comparative analyala of recommendations of, 787 Copper : general properties of, 173 strength of, 548, S66 annealing of, 000 Corrosion of iron and steel, 171 Cottonwoods of the U. B., 396 Cross-bending strength of timber ex- plained, 386 Croas-bending stress : historical sheich of theories, 43 fundamental equations of equilibrium, 44 relation between moment of resistance and stress on extreme fibre, 46 Qoment of resislsiice of various forms, 48 moment of resistauce beyond the elas- tic limit, 49 distribution of stress and position of neutral axis at ntpture, 00 moduli of rupture in cross- breakiog, SX 785 Cross-bending stress ; beams proportioned for shearing stress, 66 deflection of beams — general formu- Ire. Crushing strength a function of shearing strength, 38 Crystalline fractures in wrought Iron, the causes of, 130 Cubes and prisms, relative strength of, 81 Cucumber- tree, 801 Cutting up logs la the U. S. timber tests, 464 Cylinders on planes, elaatlc-Iimlt loads of. 608 Cypress of the U. S., 369 D, ecay of wood ; produced by fnngus-gtowth, 350 pieventlon of, 393 Decomposing action of sen- water on cem< mortar, test of. 454 Defects, microscopic. In steel, 087 izecy Google Deflecilon of beams, 177 table of, 61 from sbearing forces, W X>etoniiatloD : defined, 3 various hinds of, 4 longitudiiial BDd lateral, under direct of volume, 5 Bigolfic&nt limits of, 806 )!>e Form ntio D, ao gill ar, underdlrectBtresa, 6 Delta-metal : Btreagth of, at various temperatures, SOS how made, 177 Dlatlllallon products of wood, 248 DlslribuiioD, geographical, of the Boutbera rfnes, 684 Prltting t«sU : their character and Hlgolflcaace, 406 specification for, 406 Drying timber, 334, 67S Durability of wood, relative, of dIBerent species, 350, 358 Jjjcoentrlc loading, effects of. 86 £cceuir]c position of briquette In clips, effects of, 446 XcoQoiny of cement-concrete mixtures, 603, 637 SInstIc and plaatlc bodies defined, 1 Xlastlc Held destroyed by overstraining, S33 Sbtstic limit : defined, 18. 806 ahsolute llmlu unsatisfactory, 806 the "apparent elastic limit," 13, 18, 800 of wrought Iron In tension, 488 of wrought Iron after stressing beyond the elastic limit, 486-488 of steel Iq tension, 491-496 •of steel In compression, S04 of sleel cylinders on places, 608 of steel Hs affected by loading beyond the elastic limits, 613, 033 of nickel-steel, G16 of timber, 6~0 Slastlc limits changed by overstraining, 486,633 Slectricnl conductivity of metals, 731 £lmsof tbeU. 8., 386 Elongation : how distributed in a steel Uat-apeA men, 002 of leoslou test-specimens, 817 percentage of, 31 Emery testing-macliines. 838 Expansion of concrete, 630 Silensomelers, 340 F acton of safety with timber, 680 Fatigue of metals : fatigue defined, a new deflnidon of- fered, 587 micro- flaws in sleel, 587 Wa bier's tests and appliances, S8B results of fatigue tests, 041 limits of max. and min. Btiesso for an Indefinite number of ropetitloos, S41 a ucw formula for dimension big, 515 Filtration through concrete, 613 FiQcness of grinding of cements, signifi- cance and tests, 400 Fir of the U. Fractured specimens ; of timber, 341 of car axles, 563 of wroughl-iron and steel, 808 Freezing, effects of, on cement-moitan, 618 Freezing tests of stone, 683 French Commission, report of, compared with resolutions of the Conventions, 737 Frictioaal resistance r of riveted Joints, K35 per square lucb of rivet area, 637 nGoogIc Fuel Tftliio of wood, 847 FuBible alloys, ISO {>! VJTaugtng implemenls, 899 Geogniphicnl dUtributlon of Soulheni plaea, 684 OntisB— (M Oranlte. OraiDs of wood, 31S Oranltet and gneisaes: itnictiireof. 630, 681 strengtU uf, 640, 648. 64S resist an FC lo abnialnn, 600 Graf's nutographic 8tre«a-diitgram appank- tiiB, 846 Grinding^ of cement-cIl ulcer, 19S Orippiiig devices, 824 Grooved tecilous, lenslle atreugth of, B14 sue Gum trees of the U. 8. . 288 Hac lackberry -trees of the U. B., 98> Hardening of cement-mortars In air and in water, 678-577 Hardening, tempering, and anneallDg of steel, 168, 170, 781, 784 Hardness teals: hanlDeasdcflned, 881 teat for resistance to Indeetatton, S8t test for resistance to abrasion, B8S Hardoesa of timber, S48 Heart-wood, 307, 25S Hemlock of (lie U. 8., 371 Hickofy-treea of lUe U. 8., 389 Holly-trees of the U. 8., 291 Hysteresis, magnetic, of iron and steel, 101 J. beams and plate girders tested and com- pared wltb specimen tests, 018 Immersion, long, effects of, on the strength of limber, 677 Impact stresses for given deformatlona, 79 give no absolute resulls, 80 objects of, 870 essential conditions of, S7S the energy of the blow, 876 the pendulum lest standardlied, 877 Impact testing- machines, 879 compared with cold-hending tests, 408 Impact teste on car-axles. 564 Impact testing machines, 879 Iron (iM alto Cast Iron, Wrought iron, and Steel): biatorlcal account of Its manufacture, 87 classlflcatinn of Iron and steel, 68 magnetic testing of, 708 microgrHphtc nnalysis of, 736 structural constituents of, 784 Iron wood-trees of the U. 8., 288 J\.ee .eep's testing-mac liine, 880 Keep's diAgrams of the strength of cast iron, 90. 96 Kennedy's sbearlng.test apparatus, 886 Key to wood species based on wood struo- ture, 354, 238 X-Ampblack from wood. 240 Larch (tamarack) of the U. B.. ST3 Lauohardl's and Wejraucb's formula t«- placed by one new formula, M6 Lateral deformation under direct Stress, 0 Length of reduced section, effect of, 614 Lime, hydraulic, 182 Lime, manufacture of, 181 Llme-mortar, hardening of, 181 Llmesione aud marble: structure of, 630, 631 strength of, 640, 643, 645 resistance to abrasion, 650 Droit of elasticity— SM Elastic limit. Limits of stress for indefinite number of repetitions, 041 Loading, effects of rate of, 806 Loads suddenly imposed, 81 Locust-trees of the U. 8., 391 Long storage, effect of, on the strength of cement, 6B8 Louisville cement, strength of, 669, 670 Low red heat, effects of finishing steel at, 499 M„ aciilnes, testing, general requlrementa for, 804 Magnetic testing of Iron and steel: magnetic properties defined, 70S permeability, 708 unit of manetizing force, 708 unit of magnetization, 708 hysteresis. 708 Stelnmetz law on hy«l«reafa, 705 izecy Google 7Kb Mignotfc lutiog of tron and Meel: metboda of lestlog, 705 tneMurement of permeabllKj, 705 ring me I bod. 70ft dlild«d-bu' metliod, 708 double bar method. 709 tnagDetlc-btidge method, 710 Tollmeler melbod. 711 permeameteT meUiod, 712 magnetic bBlsDca. 712 meuurement of bystereils, 718 mlKellaiieouH methoda, 7 lit dog melliod, 713 Ewlijg'8 bfBteresls-tester, 714 results of tests, 716 develiiptneot due to testing, 716 cooditioDB affectlDg magnetic quality, 718 cooduciivtty datft, 721 Importance of testing, 722 BUgDellzHtioD, unit of, 708 MagnetiziDg force, unit of, 708 MagDolia trees of tbe U. 8., 800 Hanganeae: in cost Iron, 96 lu ateel, 161, 163 Manganese bronze, alreogtli of, at Tarioui lemperaturca, 666 Malleoble Iron— «m Caat Iron, 112 Haple-ireea of tLe U. S., 391 HaraliaH'B exteuMimeler. 840 Martet's law of indentntlons, 883 Mecbaolcal properties of timber, ISS to 240 HechaDlcal tests in general, 802 closstfi cation of, 808 Hicro-fliLWH In steel, 037 Hie rographic analysis of Iron and steel, 720 HIcromeier-ciillIpers, SOO Microscopic tests of Stone. 680 Hllmiiikce cement, strength of. 069 Modulus of elaailcity (Young's): defined, 3 of volume under direct stress, 4 foi shearing stress, 8 determination of. fKm beam deflec- tions, 67, 874 of cast Iron, 476 ot wrought iron (Fig. 898), 488 of steel, 009 independent of other qualities io steel, 010 Modulus oF elasticity (YooDg's) : of cemeat-mortars and » 601,603,608 of timber, 670 Moisture in timber, 67S distribution of, 238 tea for, 667 reabaorbeil, 668 eBecia of, on atreagth, 343, 667 Molecular strticlure of wrought Iron ud steel, 144 Homeois of inertia of various forms, 48 Moments of resistance of various fonnsot beams. 48 Mortar, cement ; hardening In air and In water, 576-7 strength of, for different propoitlonsof sand. Nickel-steel, 015 O.. 'ak-tieesot theU. 8., 298 Olsen's tesiiDg-appllnnces : testing- machines, 820 .,, Google Olcen's teilln g-appl lances : streM-diagnn appsratua, 849 compTesBomeKn. &S5 Open-beonn and Bessemer steel, com- pared. 143 Open-hearth process of making gteel, 188 Ossge-onDge trees of the V. 8., 896 Outerbrldge's experiments on iucreadng tbe ttrtagtb of cast Iron, 480 OrentialDing destroys the elastic Beld, SHH Orenlralned metal restored bj aDDeallog, S18 JT ariDg-brick— iM Brick, TitriAed. S^TlDg-brick tests, 4M CTDiS-breBklDg, 457 cnisliiDg, 407 ntller t«st, 457, 460 gretienl table of results, 6M pendulum impact test! og- machines, BT7 Penneabllilj, magoetlc, of Iron and steel, 708 Perme«blllt7 (to water), test of cement mortars for, 452 Per^mmon>treea of the U. S. , S9B PbospLor- bronze : how made, 178 sirengtb of, 054, 556 Pbospliorua: In cast Iron, 97 Id wrought Iron and steel, 105-7 In bronze, 178, 554, 056 Pholomfcrogropha of steel, 786 Pig Iron, grading of, 99 FlllBrfl — «M Columns. Pines of the United States : soft, 374 ham. vm Pine, short-leaf nnd long-leaf. Identified by geographical dislributioo, 864 Pipes, cast Iron, wiih uuaymmetrical thick- ness, 481 Pinsiic and elastic bodies deflned, 1 Plastic nnd viscous malcrlats, 34 Piaslic ninterinis in compression, 34 Plate girders, tests on. 013 Plates, flat, slrengib of. 78 Poisaon's ratio defined and values given, 5 Poplar-trees (tee alto Tulip). 398 PoTositj- of mortan as dependent on the 4)UBlit7 of the aand used, 501 "^ Portland cement — sm Cement, Portland. Posts — §et Columns. Preservation of limber. 775 Prisms and cubes, cruslilng strength of, 81 Pud dliug process, 117 Punching and shearing, injurious effects of. 583 Punching tesu of steel not valuable, 000 Puzzolana ccmeni— ««# Slag- cements. Q.. low XLails, car-wbeels on, SOS Kate of applying load : efCeciB of. In general, 805 effect lu cement-testing, 443 Rattler test of pnving brick, 467, 460 Reduction In the rolls, effect of : on strength of wrought-Iron, 181, 4SS on strength of ateel, 496-408 Reduction of area tn tensile tests, 38 Reduction of area on steel test-speclmeni% after aet bat begun, effect of, on strength, 003 Resilience : deflned, 70 stored in elastic bodies, 76 a measure of the body to resist shod^ 76 areas of stress-diagrams, 83 of bodies under direct stress, 88 in crosa-bending, 68, S12 In torsion. 80 comparative, for different slrcsaet, 86 of cast Iron, 476 Resin from wood, 249 Resonance of wood, 318 Kiehie's testing-machines. 830. 827 RIvet-Bteel, stress-diagram of, 496 Rodman's apparatus for testing hardnesa standardized, 396 Rope, wire— »« Wire rope. Roseudale cement, strength of, 668 RuBsell's Impact tesling-machtne, S80a Rusting — tet Corrosion. Oalt, effect of ,ou cement-mortars, 617-621 Sand Id cement- mortars : standard to be used In cement tests, 434 eflectof different sands on the strength of cement-mortar. 434 izecy Google 790 Saod Id cemeni-mortan: effect or incresslng proportlona, 679 " " varying sizes. 583 " " compoaiUon, 687, 669 SaDd-cement, atieDgth of mortar of, 676 Sandstooes : structure ot. 681. 6SS streDgth of, 689, 640, 648, 64S resistaoce lo abrnflloo, 650 Bap-wood, 207. 255 Sassafraa-lrees ot the U. S., 800 Scarfed JotnU, how to ardd, in riveted work, 588 8ea-water, effect of, on cement -concretos, 628 Selling of cement, 189 rate of, 410 automatically recorded, 41S retarclatioD of, at low temperatuTes, 616 Sbaft 16 in. dlam. forged under a Ugiit hammer, 617 SliaftB, steel, dnwD through dies, 016 Slieariiig modulus of elasiiclty, B S bearing and direct streasea, 7 Bbearlng and piincbing, lujuilou* effects of. 688 Shearing strength : governs crushing strength, 38 of wrougLt Iron, 480 of steel, 626 of timber, 340 Shearing stresses : cases of, 88, 88S in beams, 02 Shearing testae esseetial conditions of, 885 appliiiuces for making, S8S of wrought iron, 480 of sieel, 626 Shock -resistance measured by resilience, 76 Shrinkage of timber : exphJned. 2S7 effects of, 339 amount of, ZS3 ' Sifting cement. 410 Silicon : In cnst iron, OS 74 ;e of, on medutnlcal properties, Silicon bronze, how made, 179 Size of wooden beams — effete of, ca Ureugth,673 Slag-cemenls : described, 190 long stomge. effect of. on atrenglh. fiM effect of carbonic-acid gu on, 596 Sllppfaig of riveted Joints, 527 Soundness test of cemenls. 417 Speciflcaiions for Iron and steel: of American Society of Civil Bngl- neeis, 756 of Mr. H. H. Cunpbell, 766 of American sleel manufacturers, 767 Bpedflc gravity: of cements. 418 of wood, 219 of different species of timber, 22S of stone. 837 Spring and nummer wood, 208 Spring testing machines. 867 Spruces of tlie C. 8. 377 Standard tests of paving-brick, 460 Steel: methods cf manufacture, 138 the crucible process, 188 the Beesemer process, 133 the open-hearth process, 188 comparison of basic and acid open- hearth processes. 142 comparison of Bessemer and open- liearth steel, 143 molecular structure of wrought iron and steel, 144 fracture showing structure, 140 as affected bf beat treatment, 146 mechanical qualities of steel of various grades, 147 not fully explained by lis chemf cal composition. 156 .,, Google ,1.0, Google. 