Practices for Local Calibration of LRFD Geotechnical Resistance Factors (2023) / Chapter Skim
Currently Skimming:
Pages 54-65
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 54... ...
54 A P P E N D I X A Survey Questionnaire
|
From page 55... ...
Survey Questionnaire 55 Dear State DOT Engineer, TRB is preparing a synthesis on practices for agency-specific calibration of LRFD geotechnical resistance factors. This is being done for NCHRP, under the sponsorship of AASHTO, in cooperation with FHWA.
|
From page 56... ...
56 Practices for Local Calibration of LRFD Geotechnical Resistance Factors SURVEY INSTRUCTIONS 1. To view and print the entire survey, please use the link from the web address below, or contact Andy Boeckmann.
|
From page 57... ...
Survey Questionnaire 57 SURVEY (1) Does your agency use or require use of any geotechnical design method or resistance factors that differ from those specified in the AASHTO LRFD Bridge Design Specifications?
|
From page 58... ...
58 Practices for Local Calibration of LRFD Geotechnical Resistance Factors (4) Have the benefits indicated in the previous question been quantified?
|
From page 59... ...
Survey Questionnaire 59 For each of the design elements selected in Question (6) , respondents will be asked to answer Questions (7)
|
From page 60... ...
60 Practices for Local Calibration of LRFD Geotechnical Resistance Factors Driven piles: □ Axial resistance from static methods for strength limit state □ Axial resistance from pile driving formula (for strength limit state) □ Axial resistance from dynamic testing (i.e., CAPWAP)
|
From page 61... ...
Survey Questionnaire 61 Cantilever walls: □ Sliding resistance □ Overturning resistance □ Settlement □ Global stability □ Compound stability □ Other, please specify: _____________________________ MSE walls: □ Sliding resistance □ Overturning resistance □ Settlement □ Global stability □ Compound stability □ Soil reinforcement rupture □ Soil reinforcement pullout □ Facing-reinforcement connection rupture □ Other, please specify: _____________________________ Soil nail walls: □ Pullout resistance □ Sliding resistance □ Overturning resistance □ Settlement □ Global stability □ Compound stability □ Temporary stability (i.e. between lifts)
|
From page 62... ...
62 Practices for Local Calibration of LRFD Geotechnical Resistance Factors (11) In addition to ground conditions, agency-specific design methods or resistance factors are often applicable only in certain situations.
|
From page 63... ...
Survey Questionnaire 63 (15) What funding mechanism(s)
|
From page 64... ...
64 Practices for Local Calibration of LRFD Geotechnical Resistance Factors The remaining questions will be asked to all respondents, including those who indicate their agency uses all of the AASHTO resistance factors.
|
From page 65... ...
Survey Questionnaire 65 (21) Is the database publicly available?
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.