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Geotechnical Engineering and Testing for a Road Rehab Project in Denham Springs, LA

This project consisted of rehabilitating and overlying approximately 9,573 feet of existing asphalt roadway in Denham Springs, LA. The project also included the replacement of an existing timber pile bridge with precast concrete piles utilizing a Waskey, short-span concrete bridge deck system. Premier was responsible for overseeing and coordinating all field and laboratory activities to comply with the Louisiana Department of Transportation (LADOTD) and American Association of State Highway and Transportation Officials’ (AASHTO) Load and Resistance Factor Design (LRFD) requirements. Pavement rehabilitation design was developed based on AASHTO and LADOTD design requirements for asphalt pavement. Subsurface materials were evaluated to develop pile tip elevations with respect to anticipated scour, and design of canal widening was developed in accordance with LRFD design requirements. In order to ensure the piles achieved the planned tip elevation, Premier performed wave equation analysis of piles (WEAP) using the appropriate hammer type.


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