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Full-Text Articles in Engineering
Initial Project Estimates For Design, Right Of Way, Utilities, And Construction, Christopher Van Dyke, Bryan Gibson, Jeff Jasper, Bob Lewis, Doug Kreis
Initial Project Estimates For Design, Right Of Way, Utilities, And Construction, Christopher Van Dyke, Bryan Gibson, Jeff Jasper, Bob Lewis, Doug Kreis
Kentucky Transportation Center Research Report
Estimating the cost of highway construction projects is among the more challenging tasks state transportation agencies routinely deal with. Developing accurate estimates is a particularly fraught exercise during the planning and scoping phases, when projects have not been thoroughly defined and information on specifics is in short supply. While the Kentucky Transportation Cabinet (KYTC) has used several methodologies to generate initial cost estimates for design, right of way, utilities, and construction (DRUC), approaches vary between the agency’s districts. This report proposes a framework for estimating DRUC-related expenses that can be adopted throughout the state. Kentucky Transportation Center (KTC) researchers developed …
Non-Nuclear Methods For Compaction Control Of Unbound Soil And Granular Layers, Brad Rister, Charlie Sun, Kean H. Ashurst Jr., Tim Jones, Christopher Van Dyke
Non-Nuclear Methods For Compaction Control Of Unbound Soil And Granular Layers, Brad Rister, Charlie Sun, Kean H. Ashurst Jr., Tim Jones, Christopher Van Dyke
Kentucky Transportation Center Research Report
In highway construction, the nuclear density gauge (NDG) is the industry standard for measuring soil density and moisture. They are widely used at state transportation agencies, however, because of their reliance on radiation, NDGs are expensive to maintain and have unique storage requirements. Operators must also earn specialized certifications and adhere to rigorous safety protocols. Equipment manufacturers have developed several non-nuclear density gauges which are more user friendly, however, their accuracy has sometimes not equaled NDGs. This comparative study evaluated the performance of the eGauge (a relatively new device) to NDGs. Over 100 soil density and moisture measurements were collected …