Performance-Based Seismic Bridge Design (2013) / Chapter Skim
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Pages 76-83
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76 CHAPTER ELEVEN SUMMARY OF QUESTIONNAIRE RESULTS OVERVIEW A questionnaire was sent to all 50 states regarding their seismic design practice. Questions covered conventional and large signature structures for both new design and retrofit practice.
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77 Interestingly, nine states or 35% of the respondents indicated that they have no plans to change over to the SGS displacement-based methodologies. This response might be expected primarily of states that are generally in the lower seismic categories.
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78 cases where there was reluctance to share data, it is presumed that the time and effort to compile and send data was the reason for not participating. Question 10.
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79 of the research in the seismic arena is being done to develop performance-based design criteria and methods. FIGURE 30 Purpose of seismic-related research.
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80 Question 20. If you implemented Performance-Based Design, would you prefer if the procedures were optional or mandatory?
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81 because it would appear a bargain to achieve operational performance at less than a 10% cost increase. Question 23.
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82 data types were construction costs and repair costs associated with the potential seismic performance improvements. User delay costs and correlation between EDPs and damage states were also high on the list, followed closely by design costs.
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83 SUMMARY QUESTION Question 27. Do you have any comments you would like us to consider?
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