TABLE OF CONTENTS 



Page 



ABSTRACT 1 



INTRODUCTION 1 



DESCRIPTION OF MODELS 2 



TEST PROCEDURES AND RESULTS 3 



DISCUSSION 4 



SUMMARY 9 



RECOMMENDATIONS 9 



ACKNOWLEDGMENTS 9 



REFERENCES 10 



LIST OF FIGURES 



Page 



Figure 1 - Models Before Test 12 



Figure 2 - Sketches of Models 14 



Figure 3 -Measured Strain Sensitivities 15 



Figure 4 - Models After Test 18 



Figure 5 -Mechanical Joining Techniques 19 



LIST OF TABLES 



Page 



Table 1 - Comparison of Experimental and Theoretical Strain 



Sensitivities at Midbay 20 



Table 2 - Ratios of Theoretical Collapse Pressures to Experimental 



Collapse Pressures 20 



Table 3 - Experimental and Prototype Collapse Pressures 21 



