Southern good roads . liiig In Ihe |iriuciples own slnul experience that e\-eii cimieiit-concrele roads of . the iintal is |iroperly sized (screened,) Inid lo he mainlaineil and I heir ma iiil enaiice was spreail. c(mip;icted .ami then hoiiiid. or its intcostices hy no means easy or particularly cheap. In fad, i! lilhal, hy Ihe addition d a just siiflicieiil amoiinl of has heeii found llial in Ihe of cases, it has Hncr inalerial Unshed into the voids with the aid nf 14 SOUTHERN GOOD ROADS April, 1915 water. The (inality of the Gravel Roads depends of eourseon the qual
Southern good roads . liiig In Ihe |iriuciples own slnul experience that e\-eii cimieiit-concrele roads of . the iintal is |iroperly sized (screened,) Inid lo he mainlaineil and I heir ma iiil enaiice was spreail. c(mip;icted .ami then hoiiiid. or its intcostices hy no means easy or particularly cheap. In fad, i! lilhal, hy Ihe addition d a just siiflicieiil amoiinl of has heeii found llial in Ihe of cases, it has Hncr inalerial Unshed into the voids with the aid nf 14 SOUTHERN GOOD ROADS April, 1915 water. The (inality of the Gravel Roads depends of eourseon the quality of the pit gravel. If the latter is com-posed of good tough stoue and has the proper amountand kind of tine material uniformly mixed with it, ex-cellent results may he ohtained at a iigure as low as square yard. Suidi road crusts are frequentlj esperi,-illy when kept properly treatedwith a hitunnnous iimtei-ial. or oiled. Their weak-ness is tliiii tcii(hni\ to rul under concentrated traf-. Splendid Type of Sand Clay Road in Nottoway County, VirginiaNear the Town of fie, due to till- deheiency in the mechanical liond nh-tainable from the rounded metal, even where the madcrust most nearly approaches true macadam, and, inother cases, where the mechanical Ijond is furtherAveakened hy the presence in excess of the fine mate-rial. GliAVKL :\lACAr) huilt with properly .screenedgravel stones is generally stronger and more durablethan a Gravel Road because of the firmer pos-sible from sizing or scre(ining the metal and compacting;it in the absence of fine material, which is afterwardadded in exactly the right proportions. Their first costis probalily 20c. per squai-e ,yard greater than for grav-el roads. Another advantage had by Gravel Macadamis the opportunity offered for using the penetrationmethod in coimection with it, .is well as to oil it as inthe case of a Gravel Road. Pitch (Gravel) ^lacadamis a very useful road ciaist and i
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Keywords: ., bookauthorvarnerhe, bookcentury1900, bookdecade1910, bookyear1910
