TRH12 (1997) Flexible Pavement Rehabilitaton Design柔性路面修复设计.pdf

TECHNICALRECOMMENDATIO

FORHIGHWAYS

DRAFTTRWI2,pp1-202,Pretoria,SouthAfrica,1997

#I

Publishedbv

DepartmentofTransport

POBox415

PRETORIA

0001

RepublicofSouthAfrica

Forthe

CommitteeofLandTransportOfficials(COLTO)

II1

REPRINTED1984

REVISED1989/90/91

REVISED1997

PRINTED1997

TECHNICALRECOMMENDATIONSFORHIGHWAYS(TRH)havetraditionally

beenaimedatinformingthepractisingengineeraboutcurrent,recommended

practiseinselectedaspectsofhighwayengineering,basedonprovenSouth

Africanexperience.

ItissuggestedthatreferencealsobeenmadetotheTRH4,TRHG,TRH14,

UTG3andTMH9documentseriestoprovideback-upinformationon

pavementdesign,materialsandevaluationaspects.

CompanionTRH,TMHandUTGdocumentstoTRHl2aregivenonthenext

pages.

ThisdocumentwasproducedbyasubcommitteeoftheRoadMaterials

Committeeandtocontinueitsvalidityinpracticeiscirculatedindraftform

foratrialperiod.

AnycommentsonthisdocumentcanbeaddressedtotheDirectorGeneral:

Transport,ChiefDirector:Roads,P0ox415,Pretoria,0001,Republicof

SouthAfrica.

Flexiblepavementrehabilitationinvestigationanddesign

DRAFTTRi-412,Pretoria.SouthAfrica.1997

TRHl

PrimecoatsandbituminouscuringmembranesCementittousstabilisersinroadconstruction

ITRH14

IGuidelinesforroadconstructionmaterialsI