CONTENTS 



Page 



I. INTRODUCTION AND ACKNOWLEDGMENTS 1 



1 1 . SAMPLE COLLECTION AND TEST METHODS 



A. Core Collection 5 



B . Sampling Problems 



General Statement 12 



Core Shortening 13 



Sampling Disturbance 15 



Summary 15 



C . Laboratory Procedure 



General Statement 17 



Shear Strength 17 



Consolidation 21 



III. COHESION IN CORES 24 



IV. VALIDITY OF STRENGTH DATA 41 



V . PRACTICAL APPLICATION OF DATA TO STRUCTURAL LOADS 

 PLACED ON THE SEA FLOOR 



A. General Statement and Simple Strength Theory 47 



B , Ultimate Bearing Capacity 48 



C. Consolidation and Settlement 49 



Amount 51 



Time Rate . 53 



VI. SUMMARY AND CONCLUSIONS 60 



REFERENCES 63 



APPENDIX: Outline of Shear Strength Test Procedure 69 



