xt75qf8jh60z https://exploreuk.uky.edu/dips/xt75qf8jh60z/data/mets.xml  United States. Federal Highway Administration United States. Bureau of Public Roads United States. Federal Highway Administration. Offices of Research, Development, and Technology United States. Federal Highway Administration. Offices of Research and Development 1939 1940 v.: ill., ports.; 30 cm. UK holds archival copy for ASERL Collaborative Federal Depository Program libraries. Call Number FW 2.7: 20/index journals English Washington: U.S. Federal Highway Administration etc. Contact the Special Collections Research Center for information regarding rights and use of this collection. Works Progress Administration Transportation Publications Roads -- United States -- Periodicals Highway research -- United States -- Periodicals Public roads: a Journal of Highway Research Index to Volume 20 March 1939-Feburary 1940 text Public roads: a Journal of Highway Research Index to Volume 20 March 1939-Feburary 1940 1939 2019 true xt75qf8jh60z section xt75qf8jh60z WWfitiliifillllfimhh.“W“.JW111311114315““W“WEI?”1‘““iii?i!!|!\lNll||l’Jllil BRIEF;WIZHWWIWLZII‘“"‘IgfifiITWIlll mmriijIIII1i513iuuiiiiiif“F!!!llfllll 1

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I I ' CONTENTS OF VOLUME 20
' I MARCH 1939; Page SEPTEMBER 1939: page
‘ I II A STUDY OF SAN D-CLAY—GRAVEL MATERIALS ' ESSENTIAL FEATURES OF TRIAXIAL SHEAR AbsanIIiUHI \I
III FOR BASE-COURSE CONSTRUCTION____---- 1 TESTS--_--___------_----------------_- 133 h-VCOIII’II
I' “I SIMPLIFIED COMPUTATION OF HYDROMETER SAFETY—PROMOTION ACTIVITIES OF THE STATE . by 10055 s
I' ’5 TEST DATA FOR SOIL_--------_-_-__-_-_ 13 HIGHWAY COMMISSION OF WISCONSIN---- 14:3 bymortm
i-I [ o M
,II I APRIL 1939: , OCTOBER 1939: Megan? his
I I EXPERIMENTAL BITUMINOUS—TREATED SUR- , . . , , , . ‘ A ’d t ,h'g
I II FACES 0N SAND~CLAY AND MARL BASES-_- 2] DESIGN, OF A FILL :SMIOF‘IED BY CL“ - 001was? (if, IIV
III I UNDERLAID BY ROCI\___---------------- 1.37 preventlo
III I I . I MAY 1939: SIGNIFICANT TRENDS IN MOTOR-VEHICLE Adrgfitflggsh
.Ii I , - REGISTRATIONS AND RECEIPTS_--__ ____-_ 163 alcium‘
I I ‘; PRELIMINARY RESULTS OF ROAD-USE STUDIES- ~10 C C
I I I ‘ I A NEW VIBRATORY MACHINE FOR DETER- - ,- water-rem
I II II MINING THE COMPACTIRILITY 0F AGGRE- _ 3 O" E MBER 1939: Ammatcs:
II 1‘ If GATES——~—-——————~7-———-————~———~v—~- 5'0 STUDIIXS OF WATER-RETENTIVE CHEMICALS ° aggregate
I I; I I - . AS DMIXTURES WITH NONPLASTIC ROAD- .
III II JUNE 1939' BUILDING MATERIALS.. _-_------_____-_- 173 $2302;
III, III TOLL ROADS AND FREE ROADS------__---- 65 II m.“
I II I TESTS OF CONCRETE CURING MATERIALS--- 67 DECEMBER 1939: )l “c.1133:
I MOTOR'FUEL CONSUMPTION, 1938“ -- - - - - — — 76 MARKING AND SIGNING No-PASSING ZONES comp:
i STATE MOTOR—FUEL TAX RECEIPTS, 1938- - - - 77 ON Two- AND THREE-LANE ROADS- - - - - - _ 189 ‘ WINS
I. . I STATE MOTOR-VEHICLE REGISTRATION S. 1938- 78 A SIMPLE ACCUMULATING-TYPE TRAFFIC
I, IIle STATE MOTOR-VEHICLE RECEIPTS, 1938--__ 79 COUNTER——————~~~—~—-~-—-—————»——— 195 mm,
I I‘I‘ STATE MOTOR-CARRIER TAX RECEIPTS, 1938- go ACCELERATED SETTLEMENT OF EMBANKMENTS
I III BY BLASTING-_---____------_-_-___--___ 197 comma“
I (I II JULY 1939: concretca
I II II APPLICATION OF THE RESULTS OF RESEARCH JANUARY 1940: charcarI
.‘ I II ”1‘30 THE STRUCTURAI‘ DESIGN OF CONCRETE 83 EXPERIMENTS WITH CONTINUOUS REINFORCE- II
I {III AVEMENTS (PART )-----"—"""'—"“ MENT IN CONCRETE PAVEMENTS----_---- 205 mm]
I I I AUGUST 1939; THE COST OF CURING CONCRETE PAVEMENTS
If, WITH COTTON MATS_---_-_____-_-_---- 215 Lypcl
III APPLICATION OF THE RESULTS OF RESEARCH C . O R M C
II, III To THE STRUCTURAL DESIGN OF CONCRETE 01%,? OF VPERAITINIG URAL AU“ ARRIER 917 types
III“ PAVEMENTS (PART 2)_______-__-_-----__- 107 OTOR EHICLE5---“""-""--------- ‘
III DIS OSITION OF STATE MOTOR—FUEL TAX r u 'u
I II RECEIPTS, 1938---__-____---_------____ 127 FEBRUARY 1940: or 33515“
I I’ ‘II DISPOSITION OF STATE MOTOR—VEHICLE PROGRESS IN STUDY OF MOTOR-VEHICLE PASS—
, III RECEIPTS, 1938---_________-_--------_- 128 ING PRACTICES---_-_-______________-_-_ 221 sIudy
' ‘III DISPOSITION OF STATE MOTOR—CARRIER TAX SAMPLE OF DATA OBTAINED IN STUDY OF Air contontm
-I III‘ RECEIPTS, 1938-__-___________-_----_-_ 129 MOTOR-VEHICLE PASSING PRACTICES IN
I I III DISPOSITION OF RECEIPTS FROM STATE ILLINOIS-HM"r~~~---~-—------------ 228 Air Curing of
1 ‘III IMPOSTS ON HIGHWAY USERS, 1938- - - _ _ _ 130 STRESSES UNDER A LOADED CIRCULAR AREA_ 231 Air jets use
I 1 Air supply sy:
I .1 LIST OF AUTHORS .
; I AmcrIcan Ass
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j I I1; BARBER, EDWARD S. KELLEY, E. F. Angles (steel)
' I II BARKER, F. N. MARR, ROBERT A., JR. ”Arlington ts
I I II“ BARNETT, JOSEPH NORMANN, O. K. Asphaltjoint
I I; BECKHAM, W. K. PADDOCK, ROBERT H. . AsphaIIs as;
. II BENHAM, SANFORD W. PALMER, L. A. '
‘ I II CARPENTER, C. A. PARSONS, A. W. Axia} symme1
II If CRITZ, PAUL F. PAULS, J. T. In “Imp
II II GOODE, J. F. RODGERS, ROE P. MItrlia-‘<(I'lzilsf
I: II HOGENTOGLER, c. A. STEUBER, WILLIAM F. ‘9 °a S a"
“ I3 JACKSON, F. H. SUTHERLAND, EARL C.
II III KELLERMANN, W. F. WILLIS, E. A.
I III II _ Bar reinforce
II I? ABBREVIATIONS
I, I III Barber, Edw
I I III a.~article (S) , IepOrt(S) a_
II: I I fn.~footn0te Ba 12120ch
:I II r.—reference (S), referred to Bainggé, JIase
I II II 1'. to pr‘refercnce(s) to publication (S) ' $36—13?—
I L . Base courscS:
. I concrete 1
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, INDEX TO PUBLIC ROADS, VOLUME 20 j,
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A Page Base coursef7Continued. - Page Page 1,
Absorption, water: iiiatcria s or— B 'n :1 ~ “I A“ la . urs construction.. 2’ ‘
, , by cotton mats used in curing concrete pave- blends of.....___..__.:._:_,___,:i:,__,_ 59-01 lad] goper “0 SI ) sc co 0 21 26 27,32 38 %
ments___i___i_,__,,,,_,,,,,,,,___ 216 characteristics of various materials, soil Blastinz: ’ ’ ’ ,
, , . by locss subgrade soils as cause of cracking constants._________ 1, 17, 21, 39,4158, 174 accelerated settlement of embankmcuts ,
of concrete slabs_,,__.______.,,,__ 118 crusher-run materials, chemically by_______-__i___,i________.____. 197_202 1'
by mortar specimens variously cured. ($9, 70, 73, 74 treated.____.._i_____._____. 173,181—187 swamp mat and undcrfill blasting and ‘1 »
see also Moisture content. graded $0115, grading of materials..._.._, 1—12, costs 01;__»_____________________ 197.202 ;
Access to highways, control on proposed toll ._ 16,17,38—43,57—61,173—187 Blends of aggregates: _ ' ,‘i
: road system-“mm",sm..." G5 mar1,11m0rock.. 21, 22, 24, 26—32, 36, 38, 39,42. 43 blending curves for crushed grave] sand ii
Accidents, highways mixtures of granular aggregate and clay and pulverized soil___.....’....-._’ 59 I‘
00515 of, Wisconsin data:,________________i__ 1'52 Miler-~--.---~~»----------»----~- 173 determination of best combination for base E‘:
, prevention of, Wisconsin programs Ion... 145—152 nonplastic materials— course or surface construction._._ 594,1 17
see also Passings on highways, vehicle. scrwceabilityhnu 1—7, 9~12, 16, 17, 185—187 “Blow-ups" in concrete pavements.._..:. 112 120 205 ,1
Admbitllresi hl d d treatmentI dwmi water-retentive 8 Bond: ’ ’ Ii
ca eium c ori c a mixture as concrete cur< c emica a mix ,ures,___,__ 173—1 7 c ’5 - n r v _ - j
iiig agent.:.:......... 67—69,71,72, 74,75 sand-clay._..__ 1, 3, 6, 9, 11, 12,16, 21, 22, 25, 2o, betwcm ”,Sigiiugg‘sggmg’; if, gigging 1::
water-retentive chemicals, use with iion- 30—39, 42, 43, 57, 58, 173 (fn) fillers ’ 120,122 |=
plastic materials “MW 173~187 sand—clay~gr'avcl___ __ 1~12, between concrete and— i,
Aggregates: , . . . 16’ 17157—601173 (“1% 137 dowels and prevention of at joints in 1,
aggregate-type surfacing materials, coarsc- specifications forH concrete pavements 120 121,210 1
graded— coarse-graded base course materials 185~187 steel reinforcement [of concrete pav’c-
specifications...,.._.:__._.____.______ 183,184 sand~clay-gravel,___.__._________ 11,16,17 ments— J
use of water-retentive chemicals as ad- movement, settlement:._.___ 29—37,39,177, 179,181 . breaking at joints W 209 210 21;, ‘3 ‘
mixtures in.............._...___ 173-187 type and condition, relation to stability of relation to crackiné ofs]ab W: ’1”; 11
bituminous azaregates— bituminous surfaces_______,____,, 1—12, ‘5205 206 209 21", i
capacityfor bituminous materials, deter- _ . 16,17,29-39,42,43,185—187 steel tie bars at joints breaking nf'nfi’” ’122 i
mination 1...”.....-_..i_._.._... 58,61 Basin-shaped Surfaces under loaded circular in road surfaces and bgses Me Binders ii
compactiontests...____-.____._.__.._._ 55—61 areas, points of greatest shearing.r binding materials. ’ ' 1
types, quantities, sradings, mixing and stresses on 232, 236, 237 Bond stress allowable unit bond stress in steel ii
spreadingmethods used in experi- Bates Road tests, r., r. to p.____.__..,_,_,_ 87, 104, 107 ’ tie bars in joints in concrete 1,
mental bituminous—treated sur< Bearing areas: pavements ____ 121 ,I.
faces on sand-clay and marl bases. 21442 circular bearing areas— Bonded-steel reinforcement of concrete pavc- 1‘
vibrator-compacted aggregates, density _ loaded circular areas,strcsscs under”, 231—237 ments, experiments”... 205—214,218,21‘J ;
. tests... -~- ---:---:--------,-<-»~-- 56—01 0i loads on DayementS-—»--m- 87, 89' 90, 94‘9“ Bonded tie bars at joints in concrete pavements, "1
eonipactibihty, determination by \'lbl‘at01y Shapes of, under tires___,___._, 87,89,90,94—9(i, 232 use 119422 124 125 1
machine mew)“,,,,,,:,:....,... 55-61 Bearing newer of soils sec Bearing arCaSHSup- Bonds (highway) and notes, allocations fl), ’ ,i
concrete aggregates# porting power or 50115' service of, from various State tax i
characterasinfluencing— Beckham, W. K.,10intauthor, a.__-_______._.,, 21—43 receipts 1933_-_________________ 127430 1
cracking, pavement......."d:.... 118 Bellows type or Sfiabflometel' __.__________.,__ 141,143 Borrow materials use in rcconstruotion of em- I,“
thermal eoeflicient of expansion and Belt-line routes in highway improvementplan. 65,66 banlrmeiits through swamp areas 193, ‘ ,
, contraction of concrete.:__..._._. 97 Bending stressesin concrete slabs, development_ 96, §00_202 l i
- interlock as affecting shearing stresses 205. 210 Boussinesq formulas r 162 23] i ‘
in steel reinforcement at weak- Benham, Sanford W.,joint author,a__ 205—214, 218, 219 Bouyoucos hydrome’ters use in 5011 tests,,_.,i 1347; ,1
' erred—plane joints___,_c_.___s__,._ 210 BenkClman, A. 0., r.,I‘. t0 D__i__.________ 231, 232, 237 Bradbury Royall D. (R, D.) formulas and i
typeusedin mortarspccimensininvesti- Bibliographies relating to: ’ r. to p__ 35 89 90 ’95_93 103 115 (in) up, 1 .
cation of concrete curing methods. 69 concrete pavements, structural design of" 102—104 Brake testing lanes on highways, (Wisconsin). 149 ‘152 1
types, quantities, and gradings used in earth problems, soil mechanics__________,_ 153454 Bridge floor design r. to p _‘________________:__ '230 '
experimental reinforced concrete highway safety (r., Wisconsin),_“.__..,_,_ 148 Brooming in construction of experimental 1
pavement (Indiana)i........_.‘ 210,211 Bicyclists, instruction in safe practices (Wis- bituminous-treated Surfacesmflu 21 31
for usciu basecourses— . CODSim—--—------~~-——-»---~—» 147:152 Buchanan James A. (J. A.) joint author r. V J
possible segregation of fine aggregates in Billet steel, use as reinforcement in experimental ’ 1. to p.....__.__:.__.._.,.m. ’__ 126' 231 ,
sand-clay-gravel base course ma- concrete pavements”... 205—214, 218, 219 Buisman 3w Kevcrling-Buisman A. S. ‘ i
tcrials, relation to plasticity index Binders, bindinfa1 materials: Bureau of Reclamation stabilometers used by a 136 'J
, requirements.i.......i.,._""" l7 bituminous binders, types used in mixed ’ 139'140 “'2 ii,
studyofsand-clay~gravel materials. 1~12, 16,17 mats on experimental sand-clay Burlap as concrete curing agent _____“7 67—75213 1
Air contents of circular track test sections of bi— and marlbases..____,,,,,__,_ .. _ 21—38 Burmister D. M 4,". 7 _, ""'"_____ 142 143’ 153 ii
tuminous treated sand-clay-gravel moisture films as binders of nonplastic aggre- Busses, motor: ‘ " ” ”"' ' ’ i
» . , b51595 after traffic tests,,__:___:__ 10:“ _gates,,.________.____,,____:_.__,, 173 publicly owned busses in United States, 1,1
Air curing of mortar specimens in investigation nonplastie binders. data fromstudy of water- 1938 __7 m7 1,
of concrete curing materialsdnfl 68—74 retentive chemical admixturcs_ 173—187 registration [065' receipts from (1938) ___,.__ 75‘ ‘3
Air jets, use in blasting operations in fill con- plastic binders, clays.--_..__,________,.,_,, 1—12, registrations (19'38).fi_m_,,i_,.”MA...c," 75 5
, Shiloh-OD over swamps-_..._.i._,_ 200 r 16! 17‘ 2143: 57‘60y 173, 187 Lire equipment and impact, factors for 01mm-
, Air supply systems in stabilometcr assemblies 134437, Biot, M. A., r., r. to p 1132 “on on concrete pavementsdr,“ 844% i
_ _ . . 139—144 Bituminous concrete pavements, blended aggrc- Butt joints in concrete pavements _ 120-122, 3
American AssocmtionofState Highway Of‘fiCials, gates ior__.________.,_______,____, 60, 01 " ‘ 124 125 ,
criteria for highway marking 189—194, 202 Bituminous materials: Bvcrly W. E. r, to p ________ W 234’(m) l.
Angles (steel), use in joints of exnerimental rein- as concrete curing agents.___,,:_______,___ 67—75 B‘ymss’mads ’W _ 7",_________ 62 65 60 _ ,
forced concrete pavement"... 211,212 hot-application materials, warmed mate. ' ‘ ' " ’ ’ 7
. ”Arlington tests” of concrete pavements...._ 87—104. rials_____________________ 2, 21,31, 58, 1711 C '1
107—126, 206, 207 liquid materials____,,__,__,,,H______ 21—43, 67—75 Calcium chloride: _ 1’
Asphaltjoint filler,use in experimental reinforced types, quantities. and application methods as admixture in nonplastic road ma- .1
concrete pavement. . ......:r..... 210 used in— terials. _._.___ ___.__ 173—177,179,184—186 !}
. Asphalts, asphaltic materials, sec names of as- construction of experimentalsurfaees on as concrete curing agent______..___,,._.,_. 67—75 it
phaltie materials, also Bituminous sand-clay and marl bases, corn- surface application to nonplastie road ' ,1
materials. parative value of various types__ 21737, materials...,_,.i."r.v 173—175, 181—186 ‘
' AXial symmetry, problems of: 39,42, 43 Calculating board for computation of soil grain ‘
‘ in computation of stresses under loaded surface treatment of experimental bases_ 2, sizes 16 ,‘
. circular areas._._____.__._._.__. 231-237 21—37, 39, 42, 43, 174 Capillary moisture in soilstmtn... 1,4, '1
triaXial shear tests. a, . . i . , _. A. , 7 v. 133-144, 153, 154 Bituminous surface treatment: < 10, 11, 136. 180, 184, 186, 198
Axle loads 811d 3X10 8113011188,, relation t0 critical as affecting stability of mixtures of granular Caravan taxes, motor-carrier tax receipts from, I
. load stresses in concrete pave- aggregate and clay binder____,__ 173,175 1938. 80
ments. ..- 83.126 of nonplastic materials treated with water- Carothers, S. D., r., r. to p"...m...157,162,231~237 !
retentive chemicals.________.___ 173487 Carpenter, C. A., joint author: ii
B of sand-clay and marl base course mate- a.._______._.__,_.______.____._ 1—12,16,17,173—187 ,;
rials__.____._.___,.__.____21—37,39,42,43 r. to p____7,,,n.......................... 173 (fn) ii
Bar reinforcement of concrete pavements, ban- of sand-clay—gravel base course materials. . 1—12. Casagrande, Arthur........................._ 136,153 i
mat reinforcement use 125 16: 17 CamdalyA»Lu—--—~“7—~~~~~—~~-———~~ 126 |"
Y "7“" ~77 « : . - -
205—214, 218, 219 Bituminous surfaces: , Cell apparatus for testing underseils (Hol- |
Barber, Edward s. (E. 3,), author and joint cost dataior experimental surfaces___....... 22, land)"......................... 138—140 _
author: _ 23, 27—38,42, 43 Cement: . . . ' . .
a........_..._._.__.__..__.. 13~16,133—144,153,154 design and construction— . . as admixture in micaccous scils, dciiSItieS
1,150 .__ 157(1n),161 (m),162(fn) comparative value of mixed-in-place, _ of compacted mixtures............. 58
Barker, 11% N., a.-. 228-230 penetration, and surface treatment quantity used in niix for experimental rein-
Barnett, Joseph: methods, South Carolina expert _ forced concrete pavementhflflu 210
a__V___»____________________»________ 139494302 ments__.__._____.__._i___,..,____ 21-43 Cementing values: . ,y i
r. to pm",:.__:...i..:.............-._..,, 217 r. to 11.. 26 (fn), 55 (fn), 58 (in) ofmaterialsused-in base courses— .1,
Base courses: tests of mixtures— crusher-run limestone and slag. "on“. 187 1,,
concrete base COUTSOS, thickened-edge design circular ”30k tests... .0“. 1‘12. 16, 17, 173‘187 llmeSQOUBS 01‘ mails»— ,.__.:..____..___. 26, 39 l
of.____...__..__._._.......,_..._. 107 r. to p. 153 see also Binders,bindingmateriais. ,
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; , 1 2 1 INDEX TO PUBLIC ROADS, VOLUME 20
, 5 ‘ _ _ . _ Page Compaction, consolidation—Continued. Page Concrete pavement slabs—Continued. Page I
1 1 Centerline markingcf highways_____:‘... 189—194, 202 of foundations—Continued. width—Continued. ' ,. P 1 F
' , Certificate or permit fees, motor-carrier tax re- consolidation pressures and their relation , relation to warping stresses, develop. ' Clml’ daut “
‘ l , . ceipts from (1938).- :..-......._.. 80 to failure of undersoils of embank— ment in slabs......_._._,_____. 96—99 crus ‘6 5 tone
1 I, Certificates of title (motor vehicle), receipts ments............._..._ 133—144,153,154 Concrete pavements: percen age
11 1: . from. 1938.___________-__._:_ 79, 168,170 settlement of foundations by Consolida- curing, see Curing of concrete. E
s! Chemicals, water-retentive. use as admixtures tion, rate of, determination of___. 231 markin stri in State racti es__ _ . . l
, , . _ g, D g, D c . ____ 189
‘1 in and for surface application to of samples (soils, plastic materials, etc.) in reinforced concrete pavements— "‘ (111371111165,
, ‘ . _ nonplastic road materials. --_... 173-187 ' stabilometer tests......__... 13y144,153 design of reinforcement_____»___H_» 112 bitumi
i 1 Chips, stone cover materials, quantities and of soils_—- . . - 118-120,126 205,509 211 (
‘1 ,1 $1195 used .111 commotion of exper— toiincrease rigidity of fills............... 162 experimental reinforced concrete 'pave- ’ ~ I
,[1 I imental bituminous4sugrfaces__;_1_ 2i C} triaxialsthcar testldiata......__ 133—144, 153,154 ments— reint’m;
1‘ 3 ,‘i , 2 —2 ,31—37, ,42, 17 ompaction tes s, consoi ation tests, of mate- A 1' t n ' , '
4111!: 1 Chuck holes, development in circular track test rials.__... 1, 2, 9, 10, 17, 55—61, 174, 185,198 031151511313 <§¥gfietper1mentsni66 ($33307 use for sur
1 ‘11 sections of bituminous surface Compactors, vibratory: . experiments with 'cah‘t‘ih‘défi's rein- '218 , s
, ,11, . treated sand-clay-gravelbases... 5,6 new machine..-............................ 55—61 forcement a" 205_214 218 2 see also 0
F. 1‘: 1 Circular contact areas: _ 3 types used in construction of experimental Indiana expcrimeutal_paVement ’ '2019 I
1‘} assumption in calculations of relation be» reinforced concrete pavement_-. 212,213 213-218 215 crushed stone
1 11 , tween contact areas of rubber tires Compressed air'systems in stabilometer assem— stresses in, analyses 011”“ 83~104,107—126'205'_210 , c
w, and, wheel loads on pavements, , hues—..-_....,»...»...... 134—137,139—144 Consolidation m headings beginning Compa'. 1
,1”, equivalent circular arcas_._..i?;o. 22:35. CompreSSIble fillers, use in joints of concrete tion 0 ‘t
1, ,‘3 .. i . 7 . pavements.-.._.___..__.._,.... 120—122 ‘3 ’- - . .
1 11 ,. loaded circular areas, stresses under, a..__ 231—237 Compression: Contests, sureft’mérc’ofiéfiway safety promotion” Grudgeiidslen (r11;
, , if, 5 of loads on pavements (interior loads, corner direct compression— Contraction' ‘ """'"‘“""“' 1151 I
1 1 1 loads) and stresses produced... 87410, as cause of concrete pavement failures, 1. it I
,1 ‘1 . 94416 comparison with column action... 113 ° coincre'teE_ l d l t 1 . specificatic
.1 1? 1 Circular test track: compaction of aggregates by, compari- ongi u ina an a era contraction 0f Cummings A.
1 1. ,',‘ aggregate samples from, densities compared son with compaction by other concrete pavement slabs...;.____, 112- Curbq “p.211,“
1 1 with densities of aggregates com- methods..............________. 55, 57,58 b d . t t 118112011253091219 Curing blankc
1 , ' ,1 pactcd in laboratory._....._..... 57, 58 in extreme fibers of flexure specimens (con- 5% 331919151115 _ance °------.------ 205303—210 (_
g ‘ i1 ‘ C dcscritptio]? amtl r. to p--- 173 cretel. mortar) incompletely satu— 3 t can; 5001101101th ofexpanSigg—zigzd 17‘1’31 1‘, “8 ‘ (lurinv cabinet
1, ,1 ,ircular rac tes 5: rate ...._..._._....._..._____.... 7 . ”--.------~-— v , lv ,‘ , ~ D
1 - 1‘; 1 of nnnplastic granular materials treated see also Compaction—Compaction tests— ofstcel reinforcement in concrete slabs._.,__ 208 Lurzilrgg Oiftzlgg
1 1 1‘, 1 with water—retentive chemicals. 173—187 Compression devices. Contraction 30111155 “1 concrete pavements. p ' t
1 ‘1 1: 1 of sand-clay—gravcl base course materials... 1—12, Compression devices used in triaxial shear tests. 133— 59301713"---»----‘:--:—-.-»-~ 1131141 120- 205,209
1,, 11,1 - 15 17 C rip , st th f t 144,153,154 transverse contracition JOints, types and effi- 903‘ or CE
.331 ,. . , ’ 01 FOSSIVO_ reug 0.0011010 02 ciencyo i___________.___,_______ 12_ ,
‘1, _ :3- 'C ”185' - - q ., r compresswe failures 1n concrete pavements— typos used in experimental reinforced con- 0 126 cracking 01
1 Our Cltlc’ report, r__-__._..___......__. 6" as caused b c lumn acti n 112113 <
‘-, ‘ 55 residents 1’" "flor'vehlc‘e owners“? and memento—y ° ° ’ (womacmnsfifiifiié’figfli’ifiggggnfigfiggig, 209,110 l
1:, , rave y.......____.. 46—49, 53 54, 62, G3 “ 4 5- - - .
;, 1,1 traffic in and near— .' _ : igggfigcgffififig“1“’“"""'"m"“ 113 C d' t' t t ,- d - f t 1- 1117’205 Illatfriiildzti
1 ' ‘1 congestion of, relief by highway 01111" F core tests of concrete cured by cotton mats. 216 Oct ina “m 315115 0 .rivers 0 me or \o “C es '
.1 provements.-_...........__ 6.,65,66,7o dutafor— ( 1500115111)»---»---—-,—--——-—»»... 146 used 1
1; olrigiqns and destinations of (general).... 66 average paving concrete 93 Core tests of coincrcte, .tiee Compressrvc strength ‘ r
,“ ,i sccaso.trcets ciy, "=”""'.' “”" 0 CODCl‘e 9- , 3
1 , .lj' Clays and clayey soils: _ C;:§2?%gg%¥gt%ou8¥ito119121015) 2153 Road. 3; Corner formulas for computation of stresses in 2 2313636121
, 1 i,“ as hinders in soil mixtures, sandelay, sand- 1 g ’ 0 . - ""'" concrete pavementsl_._._.,.__..__ 87—90 .p '
1 , 1, _ p re ation tomodulus ofelastic1ty......."-.._ 93 Corner load on n fete a 111 nt . t
' l i‘ clay gravel....................... 1 12’ Com ressive stresses in concrete avements 97 - S co 0 p vc e s. v 11' h ,
1 , : 16,17,2143,57—60, 173. 187 p ‘ 9&1) 112_114 126—122 205, bearing areas of, shape of in Westergaard 011“ 95:. 1g ‘V
1‘ 11 1} clay layers under foundations, stresses (ver- Concretc' ' ’ ' ' 3113137515-______.'._._______._______ 95418 design— 3
1:11 1,: 1m” at boundaries of, computa- age relation to strength 108 109 113 see also Corner stresses in concrete pave- Argent,
i 10n4_ 231 _ , -----‘---~---— 1 . men s. .
‘1 1 - . trencth— - . tranSit
. clay strata underlaid by rock deSign of fill S . - Corner stresses in concrete pavements ,
,1 ' 1111 l b Sudpported by...__..'.._..__... 157—162 u]t1mZggcigeifigggogggfiogcgggfi‘etors of 83 as aficcltcddbyjoiiits in pavementsl_......._ 125 maximumt
, ,‘1‘1 cay su gra es— . . ‘éé’éi‘ios 126 corner 0a 5 resses— . ' -
, 1 subgrade consolidated in laboratory - _ ’. ' ’ analysis and computation of...._....... S7— , . . .C
1 :1 1 subgrade modulus vaiue.........’ 93 m “fi§§“§§f§sfié‘g§fi§§€rfifif H? “mm“ ' 97,99,101—103,107,110,125,207 1 C ztrmugg 0"
1 1“ under flexible pavements, supporting Concrete pavemenisgslabs g ‘ relation to edge load strosses....._...._. 125 “S 10“ ”est
1 . 1:31 power, relation to thickness of design— ' corner warping stresses, computation of._.. 99—101
, , 1,11 . pavement..:_.................... 286 cross sections 107412 126 20,, stresses at free corners and at joint corners, . _ S
1 ‘. '31! in swamps, stabilization of fills over, by r to p 163—161—1-(1-7-1—2-(1-206(in) ,207’(fn1 difference between....._.___._.._- 125 Cushioning qu
, ," blasting..____._.._..___...._. 197—202 ‘ """ , ’ ’ ~’ - ’ ‘ _ Corps of Engineers, United States Army, sta- t
i structural deSign application of the re
. ,’ ‘1‘, i . * stabilomcter test data._...._._... 133,134.137,138 ‘ ’ suits of research to( 83—104 bilometcrs used by__.-.._-_ 135,136,153 0
11 1! 1 Clearances of motor vehicles during passings on ‘ ”-“710-71-1-26-207 (in), Corrosion: ‘ 0 th k h
1‘ if: . . highways......_.......... 2293301237 thickened-edge design thickened—end ' ofstccl reinforcement of concrete pavements, 11. ac 35p to
1‘ 'i: COhCS‘On“150115-—-»—-~-----~---»—-»-—~—--~—-» 133, design 86 97 i07_112 113 120—125 209 prevention 208 ' as cone” 9‘
1 . ii . 137—139,143,144,153.157—162,198 m ”1,0 name's-a 1951,1195 of dc‘sign‘ ' of steel tie bars in 1515:“; Br'tb'xiéiéfe’ 'fiét'ci types “‘1‘
q 1 11 1 Collmd contents offinbgrade and base course dimensions (general)— ' ments prevention 122 e
‘ 1’1 materials used In experimental bl' data for experimental reinforced con- Cotton mats as curing agents {Oi ‘cdficfééé iii-17‘0“ S
. , 1; 1 féimilnous-trcatcd surfaces (South cretc pavements 206 209 ' merits: ‘
1'1 I , . 3‘10 ma -- "7‘ *:""".""""" 21 relation to temperature-warping stresses , cost of a.....______....__.__.__..___.. 215—216,219 .
. 1 1 (01°F “1111100533,? ”101°12'01““ dr‘VOIS' 1°“ W developed in slabs... 96—102, 1097112. 207 effectiveness".__-_.______.-_....__ 67,74,216,219 ' Deflififtfgféreh
\ 11 . ‘"V’"‘-'-'"'""“.‘“""”"’ —_— , F_ 9
g 1 11 1 commg 0f cotton matstusedl ‘1’." entring 60110;?” lcngitiilérsgase through use of longitudinal steel Sggfiigrifiiiiisizitteecigii’iiiiiiirigffiéi)’ o_wnlearsliigif'02103' 2-8 . . 1‘
1 11,, 33211153 :{Iffaggm ° “15“ 3 mg m t'reinzforcciimfent...i-__..._ 112,118,207—38? c 1 a mogolr vclhiclcs._.__.________._____ 167 m tires (in)
,‘ 51.: , . . . . ,......_..__.. pracace mm o ._....__............_._ a ouny roa san oea roars: ~ .
1l1 Columbia Pikteoiri‘xgerémgntgapavcment, Arling- relationto— . county roads and township roads, mileage ' 1‘
1 Common dm 0 Y, -- 20,, 207 2,, stress deveiwznentfUli—h data (United scares)...-.......... 46 W W Sty
, . .,_....___,.____....___ , , - 7 r 1
,1 11‘; steel reinforcement of 206, 207. 218 anfifififglfiéfilifizfi;32-63690, 213; “was ‘°",1,r3%‘_n__‘m“0“5 State tax ’°°ell)_‘s,'27_,30 Deformations,
, 1 1 Column action of concrete pavement slabs.._. 112, 113 219 . County safety councils, activities of (Wisconsin). 145‘ in concrete
1 1 1 comlr)30tltl_"ht¥'_t s f . t . ls d t . steel reinforcement . __.... 206—209, 219 ‘ 152 as afiec
. 1111 ° agg ega e We 1“. acmg ma ”fa , 9 a moisture content, are Moisture content (of Cover materials used on experimental bituv 11
‘1 1,, frtom st1idies of water retentive81 18 concrete) minons surfaces 2 as caus
,L 11 ‘, c emica s.-........_-- 17 .17 ,1 — 7 t_ ‘ ' , -,
1 , ,, of aggregates— movemen _ _ 24-29: 31-37, 41, 42,174 » . l
;‘ ,1» 1 data for blended aggregates. _ ___A.. ..._ 58—61 horiégrgzéé(ficavggiesnltgglfgig‘theggagggg 112_ Cover plates, E5? in structural steel 101”? 955mg P015501
I , ,1 _ densities obtained by various methods ' _ 118 205509 210 , hes “1 experimental reinforce 0,2 in plastic 11
, 1r 1 of compaction MW. 57, 58 measurement device usedf r ’ ’214’ 218 concrete pavement_.__.._._._._..i " t,
1 111 1, ~15 d t r - d b 'br t r . , , 0 , Covers, meta1,use in wet burlap curing oimortar _ , .
, 11 , "1‘ 5535,11: 5612,13): “3365,11 dzlgig’ie’snzf of reinforced concrete pavement slabs, specimensv_____7_”».____»______ 68 in soils und
111,1 1 aggregates......______...:....... 58,61 temperatulrgdxizi‘liZtsigilglisA""W” 2091210721212” Crack survey of experimental reinforced eon- 214 , data I:
_j l 11 rates of consolidation of various types of between upper and lower surfaces tern- cretc pavement, proposcd__.._.._. deform
" ‘I 1 I i aggregates.......,_..... - --- -----~ 57 perature difl‘erentials ’ 96—102 Cracks: . . I ‘ c1
, 1, of $0115 (various)............._.........._.. 1—12. 112 {$123156 2'05 20-; in bituminous surfaces— me q r
,1 :1 ‘ .( t' l‘d t‘ 16,17,21—43,57, 533173-137 daily range— ' ’ ’ ' ‘ on chemically]7 treated nonplastic {1173180 182 duh
, 1- 1 1 Jonipac ion, consoi a ion:_ _ . ‘- ~ ma eria s.._._..._....__..-. , - .
3. 1 1i 1 of base course and surfacing materials during $121712??? 1115;113:2312): {fitfifigigcgg 117 on sand-clay and marl bases..._... —- 27—37139 mlatégfi
‘ 1 11 construction, relation to service ture 117 . on sand-clay-gravel bases._._.._._...... 3—5 1. .
1 1 behavior.......... 1—12,16,17,55,58, 187 thicknes __ '"" in concrete pavements— “0
‘11 1 of base course materials for bituminous sur- relation to— as affecting impact reactions to wheel to
1 ‘z faces, settlement of bases (marl, stresses develo ed in slabs mes ' loads...;......._..._..........———-85lv86 Dc
1 1 1‘ sand-clay) by consolidation... 32, 34—37 - p . .1 595 edge strengthening along cracks...... 112,113 .
1 - in slabs of uniform thickness 85 t
,‘1 ,, ' . of concrete pavements, vibration method..- 210, 87—94 96—103 107412 117-125 20.; formation.._.........._................. 98: S ross-d
11 111 ' . 212,213 sub rade resistance ’ ’ ’ 114’ 115 99, 111—113, 117—120, 125, 126, 205-209. . . I
‘ 1 1: of experimental bituminous-treated surfaces, requiredg thickness to ie'siéiiéta'ééiégs'es ' 214. 218, 219 D “1“”
' : 1 1 methods used. .. .. 1, 2. computation ’ 103 maintenance, relation to effective width 61“.]3‘1130191t0
'111 _ _ 21,26, 29,31—38, 173, 174 volume changes """““"""“"“96 205 of expansion joints_._.___.....__.. 113 Densrty(ies).
1 1“ 0f fOUIldatlonS— warping and Str‘e'sééé'c'gfi'séa““b"“"'“"" ’ 86 spacing in experimental reinforced 003- Of aggregat
‘, accelerated settlement ‘of embankments - - y_........... ’ cretc pavement,_______________. 207, 218 C
3 1 3), 1g, 3 by blasting..__.-..__...___..._. 197.202 87, 89, 90: 96—103: 107—1121 118‘123, widths— calcula'
‘11 1;: ’ consolidation of clay strata underlaid by width— _ ' 126’ 205’ 207—210 limitation of,__________ ._________-.- 119 001111381
‘ 1 11 3 rock and supporting earth fllls_._. 157, data for experimental reinforced con- - relation to elongations of steel rein- ' 1 b
13‘ 1 161,162 cretc pavement sections... 208 (fn), 209 f forcement._..-_.....--_..-..._... 119 V3 11951
1 1 1,7 . of blended 1
= 11 1
i1: 1;
i, 1 11' a. ,- .
1““ 3 1 ' i
‘ a _ ¥ _ . _

 . _ INDEX TO PUBLIC ROADS, VOLUME 20 3
5'0 - . . Page Density(ies)—Continued. Page Page
_ critzl, Iauutl 17., iomt author. a 21—43 of circular testffi track sections compacted Dust ratios ofscvcralmaterials. 1,57, 00, 61,174, 134—130
crus 1e 5 one: un er tra c—
99 percentages and gradings in blended aggre- comparison with density(ics) of labora- E
gates of the type used in bitumi- tory compacted aggregates........ 9, Earth andgravel roads: ,
nous concrete........ ......_.__._ 60 ‘ _ 10, 58, 185—187 bituminous-treated soil bases........... 1—12,
89 quantities and sizes used in construction of— comparison. with dcn31ty(ies) obtained 16,17,21—43, 173—187
bituminous-treated surfaces on sand- by Vibration, data for sand-clay- travel and operating costs of rural mail-car-
l2. clay and marl bases, experi- gravel base course materials__._ 9,10,17 rier motor vehicles on_‘__.__.__._-._ 217
114 mental..__.._ .__._.__...... 22—37, 40—42 data for nonplastic materials treated Earth coverings (wet) as concrete curing agents. 67
reinforced concrete pavement, cxpcri— with water-retentive chemicals. .. 176, Earth pressures against retaining walls, triaxial
mental...............______.... 210, 211 . . - ‘185-187 shear test data....______ 133—144,153,154
’07 use for surfacing of road built over swampy of crusher-run surfacing materials used in Earth problems, solution byanalyses of stresses ,
218 , area._.._.__..._.-_.._.......... 197,203 Studies of water-retentive chemi- under loaded circular areas_____ 231—237 ,
see also Crushed stone concrete—Crusher- _ eels. 174,185,180 Edge loads on-concrete pavements:
it!) run materials. - of experimental Bituminogs-trcatfid surfaces contact areas was............._.____ 87, 90, 95, 06
- .1 (1 stone