Please answer all questions.... Short answers What soil properties are needed for estimating bearing capacity of driven piles and drilled shafts?From what testing the properties can be obtained?Can a drilled shaft or a driven pile be used after static load tests (the pile/shaft was already reachedthe failure condition)? Why?What is the main difference between a pile group foundation and a pile-raft foundation?7.What causes negative friction on piles or drilled shafts?.......

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What soil properties are needed for estimating bearing capacity of driven piles and drilled shafts? From what testing the properties can be obtained?

Construction Materials, Methods and Techniques (MindTap Course List)

4th Edition

ISBN:9781305086272

Author:William P. Spence, Eva Kultermann

Publisher:William P. Spence, Eva Kultermann

Chapter6: Foundations

Section: Chapter Questions

Problem 6RQ

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Question

Please answer all questions.... Short answers

What soil properties are needed for estimating bearing capacity of driven piles and drilled shafts?
From what testing the properties can be obtained?
Can a drilled shaft or a driven pile be used after static load tests (the pile/shaft was already reached
the failure condition)? Why?
What is the main difference between a pile group foundation and a pile-raft foundation?
7.
What causes negative friction on piles or drilled shafts?
.......

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