Vernal Express | 1954-07-15 | Page 11 | Section of U. S. 40 to be Tested with Rubber Mix Section

section of US 40 to be tested with rubber mix SALT LAKE CITY building roads with rubber is u the our rent problem being by the utah state road comanic edon sion engineers in roo nio arUis the materials te rials designers ind and hib oin minatory atory technicians ol 01 the lh e coin mi missions testing have been busy on re w arch and aim experiments with various typos of rubber and asphalt combinations to the best formula to be used available hundreds of oi sample have been rum run and tested landeira the most rigid to ate actual specia on and con st ruction the engineers now feel that road test itself is the ondy way to tell how such rubber as they lia have ve designed WM perfo irTO ov over r the lomg long haul and under the pounding of heavy tauffic ani and changing geaither we aither the ibe u us s ed the laying of orf budh a a diw test strip on U S highway 40 on ath and ath south streets beleen eth and I 1 ith east fast in lake city with alternate ternate lal sections at of rubber asphalt and regular asphalt surfacing work on fhe the test project to be aided iby by gibbons and reed construction ol 01 salt lake city awaits the arrival of the rubber froin from the factor the rubber material erial to be acied ia is a latex mn emul ulmon isian lichi gny y in color codor its charac tm sties iare ure that it Is fluid at normal working temperatures of 65 to 90 degrees F requires no to handle conens canita inis 50 percent water and wid 50 percent rubber latex by will freeze a at around 32 die degrees grees F has a specific gravity ut 0 96 weighing 8 IDS lbs per gi gall allom orn it is that the rubber sections will require iLire a total of tons of bituminous mix containing 52 8 tone or a general average aver lage of cof 5 5 percenia per cenit nit rubber asphalt of which 10 int will be latex emulsion containing a total of 2 64 tons tans of actual rubber all in all tai the e job jol will require nearly newly 1320 gallons of the latex emulsion mAsion ca to be ted into the batch plant at the rate at of 2 34 3 4 gallons every minute