More From Don Warrington

Improved Methods for Forward and Inverse Solution of the Wave Equation for Piles By Don Warrington
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This dissertation discusses the development of an improved method for the static and dynamic analysis of driven piles for both forward and inverse solutions. The finite element routine developed was... More > a three dimensional model of the hammer, pile and soil system. Soil properties were aggregated to simplify data entry and analysis. The three-dimensional model allowed for more accurate modeling of the various parts of the system and phenomena. Soil layering was flexible and could either follow the grid generation or be manually input. The forward method could either model the hammer explicitly or use a given force-time history, analyzing the pile response. The inverse method used an optimization technique to determine the aggregated soil properties of a given layering scheme. In both cases the static axial capacity of the pile was estimated using the same finite element model as the dynamic method and incrementally loaded. The results were then analyzed using accepted load test interpretation criteria.< Less Guide to Pile Driving Equipment II By Don Warrington
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In the tradition of the original, successful Guide to Pile Driving Equipment, this volume contains more information on pile driving and driven piles in general and Vulcan pile... More > hammers in particular. Included is 1) an overview of pile driving and driven piles, 2) Bulletin 165, Field Service Manual, Vulcan Offshore Hammers, 3) Bulletin 168G, Field Service Manual for Vulcan Onshore Air/Steam Hammers, 4) Bulletin 171A, Field Service Manual, Vulcan Pile Extractors, and 5) Vulcan Offshore Specification Sheets.< Less
A Month of Sundays By Don Warrington
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These devotionals are designed to start the escape from the routine and set our course with God. Some are life lessons. Others are taken from the Bible and the world around it. But they are all... More > designed to provoke thought, to provoke prayer, and ultimately to provoke action to further God’s kingdom on this earth. There are thirty-one of these. My mother used to describe something that took a long time as taking a “month of Sundays.” Hopefully each of these will make reading them a little of the “Lord’s day” each day, preparing you for the long journey to eternal life.< Less
The Ten Weeks By Don Warrington
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In 1970 "sex, drugs and rock 'n roll" ruled supreme in Point Collina, a tony beachside resort. No where was that more true than at the local high school, and that scene was ruled by Denise... More > Kendall, tennis captain and daughter of the most prominent man around. But this happy life of "peace and love" was rudely interrupted when Madeleine des Cieux, a foreign student, started to perform miracles, including healings and throwing tennis matches. Now the school, the government and Denise herself are forced to scramble for damage control, not only with Madeleine but with her ex-boyfriend, Jack Arnold, itching for revenge, and her perennial enemy, the development heiress Terry Marlowe. Both disaster and triumph end up on everyone's plate in a world which is being rapidly reshaped both by and for the participants.< Less

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