Geotech / Transportation Lab Final Exam Review | 100% Correct Answers | Verified | Latest 2024 Version

As engineers, when deciding what kind of testing is most appropriate, your project type and end goals need to be considered. What other factor(s), if any, do you think should also be considered when determining the best testing methods for a specific project? - Knowing what kind of information is needed should also be a basis for deciding what testing method is best. Depending on which properties you're looking to characterize in a sample, you might choose different methods of testing. Also knowing a budget, how quickly results are needed, location and such is required. True or False: In-situ testing, in-place testing, and field testing all generally mean the same thing. - True If there is no soil testing, what percent confidence do we have in a geotechnical design? - 35% What testing methods give information regarding soil type? - SPT (standard penetration test), Atterberg Limits, CPT (cone penetration test), sieve analysis True or False: One structure should have the same foundation design regardless of its subsurface. - False % error for sieve analysis test allowed from beginning to end should be less than _____ - 2% During the sieve analysis, what item should be placed at the bottom of a sieve stack before pouring the soil sample in? - A pan What type of soil should be tested with sieve analysis testing? - coarse-grained soil What is true about the plasticity index? - The Plasticity Index is used in classifying fine-grained soils, The Plasticity Index represents the range of water content over which a soil is considered plastic, and PI=LL-PL