Optimization of HPC for Missouri Bridge Structures |
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Status | |
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Sequential Number | R79 |
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Matching Research Agency | UM Board; University of Missouri, Columbia, Mo. |
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Principal Investigator | John J. Myers
Assistant Professor
University of Missouri-Rolla
218 Engineering research Laboratory
Rolla, Missouri 65409-0710 | | p | 573-341-6618 | | f | 573-341-6215 | | jmyers@mst.edu |
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Student Involvement | Support for one (1) M.S. graduate student |
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Project Objective | To date, no in-depth study has been undertaken in Missouri to study the optimization of HPC involving locally available materials. This project will consist of a state-of-the-art literature search on the durability performance of HPC, an optimization study on HPC mix proportioning using locally available materials for durability / service life performance. |
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Project Abstract | Commercially available materials will be used throughout this investigation for laboratory produced concrete. Optimization of mix proportions will be accomplished through a trial batching series investigating the interaction of various materials in the production of HPC. The trial series will involve mix designs with the following upper and lower bound limits: w/cm ratio of 0.2 to 0.45 by wt., coarse aggregate content 36 to 44 % by wt., and fine aggregate content 25 to 40 % by wt. Performance will focus on durability enhancement and mechanical property performance such as strength-gain and elastic modulus. Standard test methods will be utilized to quantify optimal mechanical and durability performance. The study also aims to advance the current state-of-the-art regarding HPC durability performance. |
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Anticipated Benefits | If guidelines / recommendations which result from this study are implemented through a performance-based specification methodology, new Missouri highway structures will result in reduced construction costs, reduced maintenance costs, and longer service life benefiting Missouri and Missouri residents financially for decades to come. |
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Modal Orientation | Bridge performance |
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Milestones | | Project Start Date: | 01/01/2002 | | Project End Date: | 12/31/2002 |
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Relationship to other Research/Projects | N/A |
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Technology Transfer Activities | To assist in technology transfer, the project deliverables include a final technical report to the funding agency. |
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Transportation Research Board Keywords | High performance concrete, high-strength concrete, quality assurances, quality control, mix proportioning. |
