Pavements for modern traffic . rtant suburban streets, wherethe question of economy does not receive as great weight as doesthe advantages of an asphalt pavement, it may be advisable to laythis kind of pavement. It is understood, that in such cases, ad-equate funds must be provided for maintenance. The first cost of this pavement with concrete base is esti-mated at $ per square yard, and the cost of renewal at theend of each period of ten years at $ per square yard. Assumed period 40 years. Assumed life of base 40 years. Assumed life of pavement 10 years. Assumed life of bonds 1C years
Pavements for modern traffic . rtant suburban streets, wherethe question of economy does not receive as great weight as doesthe advantages of an asphalt pavement, it may be advisable to laythis kind of pavement. It is understood, that in such cases, ad-equate funds must be provided for maintenance. The first cost of this pavement with concrete base is esti-mated at $ per square yard, and the cost of renewal at theend of each period of ten years at $ per square yard. Assumed period 40 years. Assumed life of base 40 years. Assumed life of pavement 10 years. Assumed life of bonds 1C years at. 4 fo* Guaranty period of five years four times. Interest 1st bond issue (.04 by by 10) is $ fund 1st bond issue (.08524 by by 10) is 2nd, 3rd, and 4th bend issues (.04 by 2 .CC by 1C by 3) ie Sinking fund 2nd, 3rd, and 4th bond issues (.085o4 by by 10 by ?) isCost of ordinary repairs (.15 by 30) isTotal cost for forty years perSq. Vd. ieTotal cost for 1 year per square yard is 51. SARCOLITHIC Mineral Rubber Pavement, City Park Are-New O/leans, La. 52 CHAPTEP BINDER PAVEMENTS. Many remedies have been suggested, and tried for overcomingthe destructive effect of motor traffic. Experiments have beenmade with many so called dust preventives with the object ofobtaining a -powerful binder that would hold the dust to the roadsurface and also hold the stone in place. These experimentshave been carried along two general lines, either to add some pal-liative to the surface of old roads, or to construct a new roadwith a binding material that would hold the stone in place. Binding materials as now used on our roads may be dividedinto two classes - temporary and permanent binders. The temporarybinders serve merely as dust palliatives, and require frequentrenewal. The permanent binders enter into the structure of theroad as a constituent element, and are effective for a longer per-iod of time than are the temporary Tn the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1913
