| Show Successful Road Repair Ideas Tried in Kansas Salvaging old pavements pa Is II an nn Important Important Important Im Im- factor In the work of the highway high way engineer anI and various methods have been adopted In the different lo lo- cantles In Kansas O. O W. W Houlson Boubon elt city engineer of lola Iola has worked out outa a method of salvaging concrete pavements pavements pavements pave pave- ments by resurfacing with asphalt In 1912 1012 the city of ot lola Iola laid a six Inch cement concrete pavement on East Jackson avenue avenue veI lle In the re residential see sec tion After Arter being subjected to traffic for six months the pavement began to show slow signs of ot disintegration Transverse Trans verse and longitudinal cracks Tacks developed developed developed devel devel- and where here these cracks cros crossed e-d e traffic gradually wore holes In the pavement According to Mr Bulson the crack crack- lug was not due to faulty material or workmanship but hut to expansion and contraction with temperature changes Jt t was wal decided that the m most t economical cal procedure was to overhaul the old concrete pavement and to u use e It as 1111 a foundation for a pavement of ot concrete All loose material was wu removed re reo moved from the old pavement and all weak Iok spots were cut tUt out Holes which penetrated to the entire depth of ot the theold theold theold old pavement or nearly no so were ere tilled filled with new concrete holes Pot and an lar large e holes holn which did not extend to the subsoil sub soil were tilled filled with binder Finally an on concrete surface two Inches thick was laid lall and ond the I street Immediately open opened Hl to trams traffic The rejuvenated pavement has given I excellent t service |
