CONTENTS 
INTRODUCTION . 
APPLICATIONS . 
In Situ Seafloor Construction . 
Hardening . 
Containment of “Hoeardous Re dnebances 
BACKGROUND . 
Prior Work ‘ 
State-of-the-Art Metheds 
SYSTEM DESCRIPTION . 
Overall Configuration . 
Concreting System . : 
Pipe and Pipe Handling : : 
Marine and Ocean Engineering Systane 
TECHNICAL CONSIDERATIONS 
General Approach : 
Flow of Concrete in a Pipe fine 
Effect of Saturation on Flow Resistance 
Effect of Concrete Mixtures on Flow Resistance 
Pipeline Blockage Prevention 
Concrete Deposited Underwater . 
Concrete Mixture Design . 
COST ESTIMATE 
SUMMARY 
ACKNOWLEDGMENT . 
REFERENCES . 
