Monitoring Scour Critical Bridges (2009) / Chapter Skim
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Pages 66-73
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From page 66... ...
66 Appendix A contains a blank copy of the synthesis survey that was sent to state departments of transportation in the United States. Detailed results of the survey can be found in Appendix C
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67 NCHRP SYNTHESIS TOPIC 36-02 PRACTICES FOR MONITORING SCOUR CRITICAL BRIDGES PURPOSE OF THIS SYNTHESIS: In the United States, there are 26,000 scour critical bridges, so me of which are m onitored by fixed instru me ntation. Following th e approxi ma tely 100 of these bridges have been instru me nted for scour m easure me nts.
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68 City State Country City State Zip Code Country Street Address Section 1 Respondent Information 1.1 Agency/Organization 1.2 Address 1.3 Contact Name 1.4 Department/Group 1.5 Job Title 1.6 Telephone 1.7 Fax 1.8 E-mail 1.9 Type of Agency/Organization Federal Agency County Agency State/Provincial Agency Municipal Agency Engineering/Design/Planning Firm Construction Company Monitoring System Vendor Professional/Trade Organization Other: Section 2 General 2.1 Does or has your agency/organization used instrumentation for scour monitoring? Yes No 2.2 If yes, what type(s)
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69 3.12 What types of fixed scour monitors were/are installed at the bridge? (Check all that apply and indicate the number for each type of monitor after the name.)
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70 Section 5 Design and Installation 5.1 Describe the location of the fixed monitors with reference to the bridge. (Check all that apply.)
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71 Section 6 Data Collection and Analysis 6.1 How often do the fixed monitors take readings? Every 30 min.
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72 6.18 Have analyses and/or tests been performed for this site? (Check all that apply.)
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From page 73... ...
73 8.3 Please comment on the reliability and longevity of the scour monitoring systems, including all components such as the power delivery (solar panels, wiring, batteries, chargers, etc.) , software, materials (steel, stainless steel, PVC, etc.)
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