Call number:
ZSP-202-120
In:
Research report / Cold Regions Research and Engineering Laboratory, 120
Description / Table of Contents:
Abstract: The report is divided into four parts: Parts I and II cover investigations of the reliability of shear stress measurements in soils subjected to vibratory loads for biaxial and triaxial systems, respectively. Part I is a summary only (see USA CRREL Technical Report 90 for detailed treatment). Part III is a study of three-dimensional "principal" stress patterns produced in soil subjected to vibratory loads. Part IV is a theoretical analysis of some aspects of soil wave propagation in stratified soil. From the measurements of five shear stresses and one normal stress, the stress distribution of a triaxial system can be determined. In noncohesive soils triaxial stress fields due to vibratory loads can be determined by recording six independent stress components. Sinusoidal force excitation and impact excitation yield time-distance graphs which can be used to determine reflection and refraction techniques in stratified soils.
Type of Medium:
Series available for loan
Pages:
v, 52 Seiten
,
Illustrationen
Series Statement:
Research report / Cold Regions Research and Engineering Laboratory 120
URL:
https://hdl.handle.net/11681/5953
Language:
English
Note:
CONTENTS
Preface
Summary
Part I. Two-dimensional shear stress measurements
Part II. Three-dimensional shear stress measurements
Introduction
Measurements
Experimental results
Evaluation
Compatibility checks
Comparison between shear stresses under static and dynamic loads
Conclusions
Part III. Three-dimensional normal stress measurements
Introduction
Experimental setup
Results
Analysis
Conclusions
Part IV. Soil wave propagation in stratified soil
Introduttion
Distance-time graphs
Results
Sinusoidal force excitation
Refraction
Impact force excitation
Selected bibliography
Appendix A. Equations for computing stress components in Part II
Appendix B. Equations for computer program in Part III
Location:
AWI Archive
Branch Library:
AWI Library
