| Show ea TRAFFIC POUNDS AWAY UPON av RETE WITHOUT effect WEARS LONG a good road rafn is k t down j always ready vr i ht 1 gallon for A I 1 I 1 ads of tragic traffic A MIT ma be te a good road r bat but increase the ekum t a tr the ru path th loon soon peonies becomes iosty ft A he a road a 4 be A a ad for a tow ew 11 the vehicles s in t bt abt end and the dirt toad road 21 bad wd ro so to says traffic t tl road ia is ato U boula be 40 expected P from it j giffas e v which wll re aada sud ag regular acha adelb by ea of b mod nna nering rapidly and the o 0 move meyel net far grater 1 all duj pa jeffer at t of bore horse awn wn traffic if nil ol 01 chlell t 0 is I 1 er rigidity mid a jha a has not the butlin the weight and im ustus 0 o loads oad the m a ta into wafa hotea holes 0 rute ruts ditlif i V of ev neal ness w trill le be lost 0 lil of rit Is i one that alii bag is a pm oven and nd regular eur our biou piously sly it if a paved P road 1 s voa unaffected by th the taner jammer end anil grind of heavy be becA because 1130 only a rig a pavement can it t P rated ted weight t and impact over ft a iorge area rea letle Ll wog Tle soil IL abal oue oueda rea told bildt uil ders prefer concrete TIT pavements pare ments concrete Is id Om jeatter atter how hot the ilay rf dy to carry th ut t yielding Is 13 concrete A combi natiA ot clean 1 rushed lone stone or pebbles ij j cement mixed with water e proportion proportions and alloa to o 0 cement is generally made ill kinds of atone a J I 1 shale ed or grolund very finely flatly is ala A kiln kill to drive off and fise has te tle ingredients it a he tbs kiln in the form of a BI cie linker I 1 which when omes Ct tent the manu manuec ftc sat at is conducted tinder under the in leei of expert the themistok chem misto lits add mant and it hardens into i when sand send and crushed abbles are mixed with re vater the mass will harden j called concrete or an ar e before concrete begins dis A plastic mass which can ato guy ny desired tape to emmat a the plastic concrete 11 prepared roadbed to ak ss than even seven inches or 4 by special conditions D in an een e en ea surface and al ael ih this way the road rold oreall with a rigid wf MI kgb of ot enduring stone and concrete ton crete road roads are popular fo pular rod toads are rigid they dis rt of heavy vehicle go area u of the under underlying lyla the ta soil oil lacki lacks reliable bear M u I 1 la the cage case of spongy logee concrete roads may be coteel eel reinforced wire with tl stool rods or haw h aw a sl s relt resist stresses tree tk the biding jud jg catis o 0 I 1 v tl tj this rf al at fattor factor affords an n it ion of safet aaa at tit 10 lo B L 9 where tor or an ream reason kunstal Is wi 1 exist or is may tiny develop it u h in only wing laet erial in which rh steel rt forcing in thiu be b used to ve the increased Increase i strength th 1 re I 1 tired dauw joau t abey b ey are rigid md 4 an be I 1 ull t a 0 rong enough for any traffic eoe crete ruddi od ut ardmore widely aed than kyie of vav surface the aay other have learned to d people dpi I 1 pi apon a road roads coue concrete rete chate why nn mad or are being built it and UK not the resal t of 16 len 11 it s it if Ps the remit result of li puhi put confidence jmj flea by long cracks in concrete expands and ton tont slightly with chaaw clip rigos in temperature I 1 mess tn in contractile cracks per in the eutence thoe those unfamiliar ap with concrete paiement pa cements are alarmed at wh such craw end and fear eti left oua ous confluences soa reeks when they do appear in no way effect the smooth riding rifling qualities no nor do they tend to the useful lift life of the pa pan ement road bull 1 ing a engineers of wide experience in ell all sections of the country gis or no to serious thought to the cracks that may develop la 11 a well built concrete road at 0 there are eon con arete pavement pavements on the principal bal bust nei ness tret streets which were lali laid in 1893 today after twenty yean years those i are giving perfect service A few i rack rocks are in evidence es ideate bul but they have lave not shortened hort ened the life nor affect ed the giving quality of the pavement in any way concrete experienced road builders bull ders all gay say that the annual upkeep cot cst of concrete rodda rune runs from fw 50 to perhaps per julle p yea IT tally it li is leg less than 50 30 per mile year for the pavement alone this i is because the concrete road hae has a rigid surface it is built that way ana stay that way it if the surface were ton u rigid and yield ing the traffic would tuse hole holes and ind rute ruts thie this happens to gravel macadam and other road roads ander under heavy traffic it if a flexible instead of a rigid binder lj Is used to bold the particle particles of the mac adani together the traffic may deform the surface by pounding ding it into depres glon and wave waves such a surface cannot tay stay even and regular became because it Is I 1 not rigid investigation investigations will show that in contrast to concrete road roads large om must ut be spent every year in the effort to keep an even event surface on a road paved pa ved with non rigid or yielding material nater lal abe north amert ameri CRR eye ahr gh the world may majr have it tn tall for you dont take it out en on your family because beauty fades e is n the croakers always are remindful after beirs ha has gone 1 Is no reason why it should not be preserved ev even la fix tm balding fluid |
