Stacked stone headwalls - center for dirt and gravel road studies

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Landscape stone or retaining wall blocks. whether your stones are rectangular or irregularly shaped, the key to a durable dry-laid stone wall is to ...

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      PURPOSE–HeadwallsandEndwallsprotectvulnerablepipeendsandsupporttheroadedge.Iaddition,thesewallsalsoservetodirectflow,toreduceerosion,andtovisuallyidentifypipesalongtheroad.Whenproperlyconstructed,aheadwallcanimprovepipeefficiencyandanendwallcanstabilizeasteeproadbank.BENEFITS –Properly installed headwalls and endwallsprovide multiple maintenance and environmental benefits which are explained in the Center’s separate “Headwalls and Endwalls” technical bulletin. This bulletin focuses on the construction of these walls with the most common building material, natural stone. pictureStableheadwallwithbankwallWHERETOUSE•Usewithallroaddrainagepipes,includingcrosspipes,through-pipes,bankpipesanddrivewaypipes.•Usewithallstreamcrossingstructures,includingpipes,boxculverts,andbridges.StablestackedstoneendwallCONSIDERATIONSHeadwallsandEndwallsareanintegralpartofdrainagepipesandroadstreamcrossings.Naturalstoneheadwallsandendwallsoftencombinebothcosteffectivenessanddurability.Thestrengthofarockwal...

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